08 SSM整合案例(企业权限管理系统):06.产品操作

04.AdminLTE的基本介绍

05.SSM整合案例的基本介绍

06.产品操作

07.订单操作

08.用户操作

09.权限控制

10.权限关联与控制

11.AOP日志

 

06.产品操作


SSM 环境搭建与产品操作

 

1.数据库与表结构介绍

PLSQL Developer 13  是一个集成开发环境,专门面向Oracle数据库存储程序单元的开发PL/SQL Developer侧重于易用性、代码品质和生产力 。

连接数据库的配置

解决中文??乱码

在maven bin目录下运行以下命令:

mvn install:install-file -DgroupId=com.oracle -DartifactId=ojdbc14 -Dversion=10.2.0.1.0 -Dpackaging=jar -Dfile=D:\mnt\ojdbc14-10.2.0.1.0.jar

以上地址信息部分,请根据本地jar包的信息自行修改。

 创建用户与授权
 数据库我们使用Oracle

 

 

 

-- 用户名
ssm08

-- 登录密码
itheima
-- Create the user 
create user SSM08 identified by itheima;
-- Grant/Revoke role privileges 
grant connect to SSM08;
grant resource to SSM08;

 

产品表信息描述

 

CREATE TABLE product(
id varchar2(32) default SYS_GUID() PRIMARY KEY,
productNum VARCHAR2(50) NOT NULL,
productName VARCHAR2(50),
cityName VARCHAR2(50),
DepartureTime timestamp,
productPrice Number,
productDesc VARCHAR2(500),
productStatus INT,
CONSTRAINT product UNIQUE (id, productNum)
)

insert into PRODUCT (id, productnum, productname, cityname, departuretime, productprice,productdesc, productstatus)
values ('676C5BD1D35E429A8C2E114939C5685A', 'itcast-002', '北京三日游', '北京', to_timestamp('10-10-2018 10:10:00.000000', 'dd-mm-yyyy hh24:mi:ss.ff'), 1200, '不错的旅行', 1);
insert into PRODUCT (id, productnum, productname, cityname, departuretime, productprice,productdesc, productstatus)
values ('12B7ABF2A4C544568B0A7C69F36BF8B7', 'itcast-003', '上海五日游', '上海', to_timestamp('25-04-2018 14:30:00.000000', 'dd-mm-yyyy hh24:mi:ss.ff'), 1800, '魔都我来了', 0);
insert into PRODUCT (id, productnum, productname, cityname, departuretime, productprice,productdesc, productstatus)
values ('9F71F01CB448476DAFB309AA6DF9497F', 'itcast-001', '北京三日游', '北京', to_timestamp('10-10-2018 10:10:00.000000', 'dd-mm-yyyy hh24:mi:ss.ff'), 1200, '不错的旅行', 1);

 

 2.SSM环境搭建maven工程

使用Maven管理项目,创建parent工程和子模块。

解决maven项目创建archetype过慢的问题:

archetypeCatalog
internal

  heima_ssm_parent父工程

  pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <!--
        子模块天生集成父工程,可以使用父工程所有资源。
        子模块之间天生是没有任何关系的。

        父子工程直接不用建立关系,继承关系是先天的,不需要手动建立。

        平级直接的引用叫依赖,依赖不是先天的,依赖是需要后天建立的。
        -->
    <groupId>cn.bjut</groupId>
    <artifactId>heima_ssm</artifactId>
    <packaging>pom</packaging>
    <version>1.0-SNAPSHOT</version>

    <!-- 统一管理jar包版本 -->
    <properties>
        <spring.version>5.0.15.RELEASE</spring.version>
        <slf4j.version>1.7.12</slf4j.version>
        <log4j.version>1.2.17</log4j.version>
        <shiro.version>1.2.3</shiro.version>
        <mybatis.version>3.5.2</mybatis.version>
        <mysql.version>8.0.17</mysql.version>
        <oracle.version>10.2.0.1.0</oracle.version>
        <spring.security.version>5.0.10.RELEASE</spring.security.version>
    </properties>

    <!-- 锁定jar包版本 -->
    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-context</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-web</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-webmvc</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-tx</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.springframework</groupId>
                <artifactId>spring-test</artifactId>
                <version>${spring.version}</version>
            </dependency>
            <dependency>
                <groupId>org.mybatis</groupId>
                <artifactId>mybatis</artifactId>
                <version>${mybatis.version}</version>
            </dependency>
        </dependencies>
    </dependencyManagement>

    <!-- 项目依赖jar包 -->
    <dependencies>
        <!-- spring -->
        <dependency>
            <groupId>org.aspectj</groupId>
            <artifactId>aspectjweaver</artifactId>
            <version>1.9.2</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-aop</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context-support</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-orm</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-beans</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>${spring.version}</version>

        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-tx</artifactId>
            <version>${spring.version}</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>4.0.1</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.servlet.jsp</groupId>
            <artifactId>jsp-api</artifactId>
            <version>2.2</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
        <!-- log start -->
        <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>${log4j.version}</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-log4j12</artifactId>
            <version>${slf4j.version}</version>
        </dependency>
        <!-- log end -->
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>${mybatis.version}</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>2.0.2</version>
        </dependency>
        <dependency>
            <groupId>c3p0</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.1.2</version>
            <type>jar</type>
            <scope>compile</scope>
        </dependency>
        <dependency>
            <groupId>com.github.pagehelper</groupId>
            <artifactId>pagehelper</artifactId>
            <version>5.1.10</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-web</artifactId>
            <version>${spring.security.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-config</artifactId>
            <version>${spring.security.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-core</artifactId>
            <version>${spring.security.version}</version>
        </dependency>
        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-taglibs</artifactId>
            <version>${spring.security.version}</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.1.9</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>${mysql.version}</version>
        </dependency>
        <!--oracle数据库驱动-->
        <dependency>
            <groupId>com.oracle</groupId>
            <artifactId>ojdbc14</artifactId>
            <version>${oracle.version}</version>
        </dependency>

        <dependency>
            <groupId>javax.annotation</groupId>
            <artifactId>jsr250-api</artifactId>
            <version>1.0</version>
        </dependency>
    </dependencies>
    <build>
        <pluginManagement>
            <plugins>
                <plugin>
                    <groupId>org.apache.maven.plugins</groupId>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.6.1</version>
                    <configuration>
                        <source>1.8</source>
                        <target>1.8</target>
                        <encoding>UTF-8</encoding>
                        <showWarnings>true</showWarnings>
                    </configuration>
                </plugin>
            </plugins>
        </pluginManagement>
        <plugins>
            <!-- 添加tomcat7插件 -->
            <plugin>
                <groupId>org.apache.tomcat.maven</groupId>
                <artifactId>tomcat7-maven-plugin</artifactId>
                <version>2.2</version>
            </plugin>
        </plugins>
    </build>
    <modules>
        <module>heima_ssm_dao</module>
        <module>heima_ssm_domain</module>
        <module>heima_ssm_utils</module>
        <module>heima_ssm_service</module>
        <module>heima_ssm_web</module>
    </modules>


</project>

 

 1.3在domain编写实体类

package cn.bjut.ssm.domain;

import java.util.Date;

/**
 * 商品信息
 */
public class Product {
    private String id; // 主键
    private String productNum; // 编号 唯一
    private String productName; // 名称
    private String cityName; // 出发城市
    private Date departureTime; // 出发时间
    private String departureTimeStr; //方便网页展示,数据库里没有对应字段
    private double productPrice; // 产品价格
    private String productDesc; // 产品描述
    private Integer productStatus; // 状态 0 关闭 1 开启
    private String productStatusStr; //方便网页展示,数据库里没有对应字段

实体类的pom.xml添加对后面步骤编写的工具类的依赖坐标

    <dependencies>
        <dependency>
            <groupId>cn.bjut</groupId>
            <artifactId>heima_ssm_utils</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
    </dependencies>

 

选择子模块heima_ssm_dao ,在它的pom.xml里引入兄弟模块的依赖坐标。

    <dependencies>
        <dependency>
            <groupId>cn.bjut</groupId>
            <artifactId>heima_ssm_domain</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
    </dependencies>

  新建两个package在java&resources目录下

cn.bjut.ssm.dao

  新建一个接口,IProductDao

package cn.bjut.ssm.dao;

import cn.bjut.ssm.domain.Product;

import java.util.List;

public interface IProductDao {

    //查询所有的产品信息
    public List<Product> findAll() throws Exception;
}

 

 选择子模块heima_ssm_service ,在它的pom.xml里引入兄弟模块(dao层)的依赖坐标。

    <dependencies>
        <dependency>
            <groupId>cn.bjut</groupId>
            <artifactId>heima_ssm_dao</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
    </dependencies>

 在java目录下新建一个package ,在里面新建一个实现类的包impl

 cn.bjut.ssm.service

 编写接口 IProductService

package cn.bjut.ssm.service;

import cn.bjut.ssm.domain.Product;

import java.util.List;

public interface IProductService {

    //查询所有的产品信息
    public List<Product> findAll() throws Exception;
}

编写接口的实现类  ProductServiceImpl

@Service
@Transactional  //注解的方式配置spring事务管理
public class ProductServiceImpl implements IProductService {

    @Autowired
    private IProductDao productDao;

    @Override
    public List<Product> findAll()throws Exception{


        return productDao.findAll();
    }


}

 1.SSM环境搭建与产品操作.pdf 里面是用mybatis的注解方式查询操作数据库,现在我选择用.xml配置文件的方式使用mybatis

   MyBatis从入门到精通(第3章): MyBatis注解方式的基本使用

   MyBatis从入门到精通(第2章):MyBatis XML方式的基本用法

 

  在 heima_ssm_dao 子模块的resources目录下,新建一个cn.bjut.ssm.dao包(package),然后在其中新建一个文件:

  IProductDao.xml   【如果是mybatis整合spring框架,这里的.xml配置文件的文件名必须和与之对应接口的文件名完全一致!】

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >

 

 namespace属性的值为:接口的全限定类名。resultType是实体类的全限定类名。【测试后发现整合spring框架并且分父子工程依赖模块,resultType就必须写全限定类名】数据库的字段名放前面,实体类的成员变量名放后面。

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
<mapper namespace="cn.bjut.ssm.dao.IProductDao">
    <select id="findAll()" resultType="cn.bjut.ssm.domain.Product">
        select id,
            productNum productNum,
            productName productName,
            cityName cityName,
            DepartureTime DepartureTime,
            productPrice productPrice,
            productDesc productDesc,
            productStatus productStatus
        from product
    </select>
</mapper>

 


 

下面将引入框架用到的各种配置文件

db.properties

\day02\资料

heima_ssm_dao子模块的resources目录

jdbc.driver=oracle.jdbc.driver.OracleDriver
jdbc.url=jdbc:oracle:thin:@192.168.0.104:1521:orcl
jdbc.username=ssm08
jdbc.password=itheima

ip地址可以通过ipconfig命令在cmd中获得,1521是oracle数据库的默认端口号。

 

 log4j.properties

heima_ssm_web子模块的resources目录

# Set root category priority to INFO and its only appender to CONSOLE.
#log4j.rootCategory=INFO, CONSOLE            debug   info   warn error fatal
log4j.rootCategory=debug, CONSOLE, LOGFILE

# Set the enterprise logger category to FATAL and its only appender to CONSOLE.
log4j.logger.org.apache.axis.enterprise=FATAL, CONSOLE

# CONSOLE is set to be a ConsoleAppender using a PatternLayout.
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=%d{ISO8601} %-6r [%15.15t] %-5p %30.30c %x - %m\n

# LOGFILE is set to be a File appender using a PatternLayout.
# log4j.appender.LOGFILE=org.apache.log4j.FileAppender
# log4j.appender.LOGFILE.File=d:\axis.log
# log4j.appender.LOGFILE.Append=true
# log4j.appender.LOGFILE.layout=org.apache.log4j.PatternLayout
# log4j.appender.LOGFILE.layout.ConversionPattern=%d{ISO8601} %-6r [%15.15t] %-5p %30.30c %x - %m\n

 

 

applicationContext-dao.xml

heima_ssm_dao子模块的resources目录下新建的spring目录

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                http://www.springframework.org/schema/beans/spring-beans.xsd
                http://www.springframework.org/schema/context
                http://www.springframework.org/schema/context/spring-context.xsd
                http://www.springframework.org/schema/aop
                http://www.springframework.org/schema/aop/spring-aop.xsd
                http://www.springframework.org/schema/tx
                http://www.springframework.org/schema/tx/spring-tx.xsd
                http://www.springframework.org/schema/mvc
                http://www.springframework.org/schema/mvc/spring-mvc.xsd">

使用c3p0数据库连接池

    <!--配置c3p0数据库连接池 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="${jdbc.driver}"/>
        <property name="jdbcUrl" value="${jdbc.url}"/>
        <property name="user" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
    </bean>

 

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                http://www.springframework.org/schema/beans/spring-beans.xsd
                http://www.springframework.org/schema/context
                http://www.springframework.org/schema/context/spring-context.xsd
                http://www.springframework.org/schema/aop
                http://www.springframework.org/schema/aop/spring-aop.xsd
                http://www.springframework.org/schema/tx
                http://www.springframework.org/schema/tx/spring-tx.xsd
                http://www.springframework.org/schema/mvc
                http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <!--DAO层配置文件开始-->
    <!--加载数据库配置文件 -->
    <context:property-placeholder location="classpath:db.properties" />
    <!--配置c3p0数据库连接池 -->
    <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
        <property name="driverClass" value="${jdbc.driver}"/>
        <property name="jdbcUrl" value="${jdbc.url}"/>
        <property name="user" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
    </bean>
    <!-- 让spring管理sqlsessionfactory 使用mybatis和spring整合包中的 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 数据库连接池 -->
        <property name="dataSource" ref="dataSource" />
        <!-- 加载mybatis的全局配置文件 -->
        <property name="configLocation" value="classpath:mybatis/sqlMapConfig.xml" />
        <!--扫描pojo包,给包下所有pojo对象起别名-->
        <property name="typeAliasesPackage" value="cn.bjut.ssm.domian"/>
    </bean>
    <!--扫描dao接口包路径,生成包下所有接口的代理对象,并且放入spring容器中-->
    <bean id="mapperScanner" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="cn.bjut.ssm.dao"/>
    </bean>
    <!--DAO层配置文件结束-->

</beans>

 

sqlMapConfig.xml

heima_ssm_dao子模块的resources目录下新建的mybatis目录的里面。

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">

 

 

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE configuration
        PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
    <settings>
            <!-- 配置日志输出类型 -->
            <setting name="logImpl" value="LOG4J"/>

    </settings>
</configuration>

 

 

在heima_ssm_service子模块的resources目录下,新建一个Directory目录名为spring里面放着

applicationContext-trans.xml  方案一

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                http://www.springframework.org/schema/beans/spring-beans.xsd
                http://www.springframework.org/schema/context
                http://www.springframework.org/schema/context/spring-context.xsd
                http://www.springframework.org/schema/aop
                http://www.springframework.org/schema/aop/spring-aop.xsd
                http://www.springframework.org/schema/tx
                http://www.springframework.org/schema/tx/spring-tx.xsd
                http://www.springframework.org/schema/mvc
                http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <!--service层配置文件开始-->
    <!-- 配置spring创建容器时注解要扫描的包-->
    <context:component-scan base-package="cn.bjut.ssm.service"/>

    <!--aop面向切面编程,切面就是切入点和通知的组合-->
    <!--配置事务管理器-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <!--配置事务的通知-->
    <tx:advice id="txadvice" transaction-manager="transactionManager">
        <!-- 配置事务的属性
                propagation:用于指定事务的传播行为。默认值是REQUIRED,表示一定会有事务,增删改的选择。
                查询方法可以选择SUPPORTS。
                read-only:用于指定事务是否只读。只有查询方法才能设置为true。默认值是false,表示读写。
        -->
        <tx:attributes>
            <!-- 传播行为 -->
            <tx:method name="save*" propagation="REQUIRED" />
            <tx:method name="insert*" propagation="REQUIRED" />
            <tx:method name="add*" propagation="REQUIRED" />
            <tx:method name="create*" propagation="REQUIRED" />
            <tx:method name="delete*" propagation="REQUIRED" />
            <tx:method name="update*" propagation="REQUIRED" />
            <tx:method name="find*" propagation="SUPPORTS" read-only="true" />
            <tx:method name="select*" propagation="SUPPORTS" read-only="true" />
            <tx:method name="get*" propagation="SUPPORTS" read-only="true" />
        </tx:attributes>
    </tx:advice>

    <!--配置切面-->
    <aop:config>
        <!-- 配置切入点表达式-->
        <aop:pointcut id="pointcut1" expression="execution(* cn.bjut.ssm.service.impl.*.*(..))"/>
        <!--建立切入点表达式和事务通知的对应关系 -->
        <aop:advisor advice-ref="txadvice" pointcut-ref="pointcut1"/>
    </aop:config>
    <!--service层配置文件结束-->


</beans>

 

applicationContext-trans.xml  方案二

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                http://www.springframework.org/schema/beans/spring-beans.xsd
                http://www.springframework.org/schema/context
                http://www.springframework.org/schema/context/spring-context.xsd
                http://www.springframework.org/schema/aop
                http://www.springframework.org/schema/aop/spring-aop.xsd
                http://www.springframework.org/schema/tx
                http://www.springframework.org/schema/tx/spring-tx.xsd
                http://www.springframework.org/schema/mvc
                http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <!--service层配置文件开始-->
    <!-- 配置spring创建容器时,开启注解要扫描的包-->
    <context:component-scan base-package="cn.bjut.ssm.dao"/>
    <context:component-scan base-package="cn.bjut.ssm.service"/>

    <!--aop面向切面编程,切面就是切入点和通知的组合-->
    <!--配置事务管理器-->
    <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
        <property name="dataSource" ref="dataSource"/>
    </bean>

    <!-- 配置Spring的声明式事务管理 -->
    <tx:annotation-driven transaction-manager="transactionManager"/>
    <!--service层配置文件结束-->


</beans>

web子模块的resources目录

applicationContext.xml

 

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                http://www.springframework.org/schema/beans/spring-beans.xsd
                http://www.springframework.org/schema/context
                http://www.springframework.org/schema/context/spring-context.xsd
                http://www.springframework.org/schema/aop
                http://www.springframework.org/schema/aop/spring-aop.xsd
                http://www.springframework.org/schema/tx
                http://www.springframework.org/schema/tx/spring-tx.xsd
                http://www.springframework.org/schema/mvc
                http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <import resource="classpath:spring/applicationContext-dao.xml"/>
    <import resource="classpath:spring/applicationContext-service.xml"/>
</beans>

 

webapp\WEB-INF目录下

web.xml 未分页方案

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xmlns="http://xmlns.jcp.org/xml/ns/javaee"
         xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
         version="3.1">

    <!-- 配置加载类路径的配置文件 -->
    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>classpath:applicationContext.xml</param-value>
    </context-param>

    <!-- 配置spring核心监听器 -->
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>

    <!-- 前端控制器(加载classpath:springmvc.xml 服务器启动创建servlet) -->
    <servlet>
        <servlet-name>dispatcherServlet</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <!-- 配置初始化参数,创建完DispatcherServlet对象,加载springmvc.xml配置文件 -->
        <init-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:spring-mvc.xml</param-value>
        </init-param>
        <!-- 服务器启动的时候,让DispatcherServlet对象创建 -->
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>dispatcherServlet</servlet-name>
        <url-pattern>*.do</url-pattern>
    </servlet-mapping>

    <!-- 解决中文乱码过滤器 -->
    <filter>
        <filter-name>characterEncodingFilter</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>UTF-8</param-value>
        </init-param>
    </filter>
    <filter-mapping>
        <filter-name>characterEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

    <welcome-file-list>
        <welcome-file>index.html</welcome-file>
        <welcome-file>index.htm</welcome-file>
        <welcome-file>index.jsp</welcome-file>
        <welcome-file>default.html</welcome-file>
        <welcome-file>default.htm</welcome-file>
        <welcome-file>default.jsp</welcome-file>
    </welcome-file-list>
</web-app>

 

springmvc.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xmlns:mvc="http://www.springframework.org/schema/mvc"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
                http://www.springframework.org/schema/beans/spring-beans.xsd
                http://www.springframework.org/schema/context
                http://www.springframework.org/schema/context/spring-context.xsd
                http://www.springframework.org/schema/aop
                http://www.springframework.org/schema/aop/spring-aop.xsd
                http://www.springframework.org/schema/tx
                http://www.springframework.org/schema/tx/spring-tx.xsd
                http://www.springframework.org/schema/mvc
                http://www.springframework.org/schema/mvc/spring-mvc.xsd">

    <!-- 扫描controller的注解,别的不扫描 -->
    <context:component-scan base-package="cn.bjut.ssm.controller"/>

    <!--开启对SpringMVC注解的支持:处理器映射器,处理器适配器-->
    <mvc:annotation-driven/>

    <!-- 配置视图解析器 -->
    <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <!-- JSP文件所在的目录 -->
        <property name="prefix" value="/WEB-INF/pages/"/>
        <property name="suffix" value=".jsp"/>
    </bean>

    <!--释放静态资源,哪些静态资源不拦截-->
    <mvc:resources location="/css/" mapping="/css/**"/>
    <mvc:resources location="/images/" mapping="/images/**"/>
    <mvc:resources location="/js/" mapping="/js/**"/>
    <mvc:resources location="/plugins/" mapping="/plugins/**" />

    <!--
        支持AOP的注解支持,AOP底层使用代理技术
        JDK动态代理,要求必须有接口
        cglib代理,生成子类对象,proxy-target-class="true" 默认使用cglib的方式
    -->
    <aop:aspectj-autoproxy proxy-target-class="true"/>


</beans>

 

index.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"
         pageEncoding="UTF-8"%>
<html>
<head>

    <title>主页</title>
</head>
<body>
<a href="${pageContext.request.contextPath}/product/findAll.do">查询所有的产品信息</a>

</body>
</html>

 

把静态资源文件夹  css、img、plugins文件夹拷贝到webapp目录下;

把pages文件夹放入 WEB-INF目录下。

 

 

 

最后开始编写web子模块的controller类:

ProductController

package cn.bjut.ssm.controller;

import cn.bjut.ssm.service.IProductService;
import cn.bjut.ssm.domain.Product;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

import java.util.List;

@Controller
@RequestMapping("/product")
public class ProductController {

    @Autowired
    private IProductService productService;

    //产品添加
//    @RequestMapping("/save.do")
//    public String save(Product product) throws Exception {
//        productService.save(product);
//        return "redirect:findAll.do";
//    }

    //查询全部产品
    @RequestMapping("/findAll.do")
    public ModelAndView findAll() throws Exception {
        ModelAndView mv = new ModelAndView();
        List<Product> ps = productService.findAll();
        mv.addObject("productList", ps);
        mv.setViewName("product-list1");
        return mv;

    }
}

 

 回到heima_ssm_utils这个子模块下,新建一个工具类。

 cn.bjut.ssm.utils.DateUtils

 

package cn.bjut.ssm.utils;

import java.text.ParseException;  //
import java.text.SimpleDateFormat;
import java.util.Date;

public class DateUtils {

    //日期转换成字符串
    public static String date2String(Date date, String patt) {
        SimpleDateFormat sdf = new SimpleDateFormat(patt);
        String format = sdf.format(date);
        return format;
    }

    //字符串转换成日期
    public static Date string2Date(String str, String patt) throws ParseException {
        SimpleDateFormat sdf = new SimpleDateFormat(patt);
        Date parse = sdf.parse(str);
        return parse;
    }
}

 

  heima_ssm_web的pom.xml里面可以添加一个Tomcat7的插件。

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <parent>
        <artifactId>heima_ssm</artifactId>
        <groupId>cn.bjut</groupId>
        <version>1.0-SNAPSHOT</version>
    </parent>
    <modelVersion>4.0.0</modelVersion>

    <artifactId>heima_ssm_web</artifactId>
    <packaging>war</packaging>

    <name>heima_ssm_web Maven Webapp</name>
    <!-- FIXME change it to the project's website -->
    <url>http://www.example.com</url>

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.8</maven.compiler.source>
        <maven.compiler.target>1.8</maven.compiler.target>
    </properties>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>cn.bjut</groupId>
            <artifactId>heima_ssm_service</artifactId>
            <version>1.0-SNAPSHOT</version>
        </dependency>
    </dependencies>

    <build>
        <finalName>heima_ssm_web</finalName>
        <pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
            <plugins>
                <plugin>
                    <artifactId>maven-clean-plugin</artifactId>
                    <version>3.0.0</version>
                </plugin>
                <!-- see http://maven.apache.org/ref/current/maven-core/default-bindings.html#Plugin_bindings_for_war_packaging -->
                <plugin>
                    <artifactId>maven-resources-plugin</artifactId>
                    <version>3.0.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-compiler-plugin</artifactId>
                    <version>3.7.0</version>
                </plugin>
                <plugin>
                    <artifactId>maven-surefire-plugin</artifactId>
                    <version>2.20.1</version>
                </plugin>
                <plugin>
                    <artifactId>maven-war-plugin</artifactId>
                    <version>3.2.0</version>
                </plugin>
                <plugin>
                    <artifactId>maven-install-plugin</artifactId>
                    <version>2.5.2</version>
                </plugin>
                <plugin>
                    <artifactId>maven-deploy-plugin</artifactId>
                    <version>2.8.2</version>
                </plugin>
            </plugins>

        </pluginManagement>


        <plugins>
            <plugin>
                <groupId>org.apache.tomcat.maven</groupId>
                <artifactId>tomcat7-maven-plugin</artifactId>
                <version>2.2</version>
                <configuration>
                    <port>8888</port>
                </configuration>
            </plugin>
        </plugins>


    </build>
</project>

  使用IDEA并且指定Tomcat7插件测试运行的 网页访问路径如下

  http://localhost:8888/heima_ssm_web/


 

 6.产品操作-查询全部产品3

根据.jsp页面的需要,重新编辑cn.bjut.ssm.domain
Product.java
package cn.bjut.ssm.domain;

import cn.bjut.ssm.utils.DateUtils;
import org.springframework.format.annotation.DateTimeFormat;

import java.util.Date;

/**
 * 商品信息
 */

public class Product {

    private String id; // 主键
    private String productNum; // 编号 唯一
    private String productName; // 名称
    private String cityName; // 出发城市
    @DateTimeFormat(pattern="yyyy-MM-dd HH:mm")
    private Date departureTime; // 出发时间
    private String departureTimeStr;  //为了页面显示,数据库里没有的字段
    private double productPrice; // 产品价格
    private String productDesc; // 产品描述
    private Integer productStatus; // 状态 0 关闭 1 开启
    private String productStatusStr;  //为了页面显示,数据库里没有的字段


    public String getDepartureTimeStr() {
        if(departureTime!=null){
            departureTimeStr= DateUtils.date2String(departureTime,"yyyy-MM-dd HH:mm:ss");
        }
        return departureTimeStr;
    }

    public void setDepartureTimeStr(String departureTimeStr) {
        this.departureTimeStr = departureTimeStr;
    }

    public String getProductStatusStr() {
        if (productStatus != null) {
            // 状态 0 关闭 1 开启
            if(productStatus==0)
                productStatusStr="关闭";
            if(productStatus==1)
                productStatusStr="开启";
        }
        return productStatusStr;
    }

    public void setProductStatusStr(String productStatusStr) {
        this.productStatusStr = productStatusStr;
    }
    //===============================================================================//
    public String getId() {
        return id;
    }

    public void setId(String id) {
        this.id = id;
    }

    public String getProductNum() {
        return productNum;
    }

    public void setProductNum(String productNum) {
        this.productNum = productNum;
    }

    public String getProductName() {
        return productName;
    }

    public void setProductName(String productName) {
        this.productName = productName;
    }

    public String getCityName() {
        return cityName;
    }

    public void setCityName(String cityName) {
        this.cityName = cityName;
    }

    public Date getDepartureTime() {
        return departureTime;
    }

    public void setDepartureTime(Date departureTime) {
        this.departureTime = departureTime;
    }

    public double getProductPrice() {
        return productPrice;
    }

    public void setProductPrice(double productPrice) {
        this.productPrice = productPrice;
    }

    public String getProductDesc() {
        return productDesc;
    }

    public void setProductDesc(String productDesc) {
        this.productDesc = productDesc;
    }

    public Integer getProductStatus() {
        return productStatus;
    }

    public void setProductStatus(Integer productStatus) {
        this.productStatus = productStatus;
    }

    //========================================================================================//

}

HTTP Status 500 - Request processing failed; nested exception is org.apache.ibatis.binding.BindingException: Invalid bound statement (not found)

 
    <!-- 让spring管理sqlsessionfactory 使用mybatis和spring整合包中的 -->
    <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <!-- 数据库连接池 -->
        <property name="dataSource" ref="dataSource" />
        <!-- 加载mybatis的全局配置文件 -->
        <property name="configLocation" value="classpath:mybatis/SqlMapConfig.xml" />
        <!--接口+XML配置使用mybatis时的那些sql语句放置的路径-->
        <property name="mapperLocations" value="classpath:cn/bjut/ssm/dao/*.xml"/>
    </bean>
    <!--扫描dao接口包路径,生成包下所有接口的代理对象,并且放入spring容器中-->
    <bean id="mapperScanner" class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="cn.bjut.ssm.dao"/>
    </bean>

 此时测试SSM项目会提示报错,理由是找不到findall()方法。因为讲师用的是注解开发mybatis ,而我这里是用:接口类+.xml配置文件的方式。

  前面在给oracle数据库创建users ssm08时候,没有指定tablespace,会导致后面没有权限查到数据表。ITHEIMA是DBA权限创建PRODUCT表时所在的表空间。
-- alter user username default tablespace userspace
   alter user ssm08 default tablespace ITHEIMA; 

   查询全部产品的

   ProductController

@Controller
@RequestMapping("/product")
public class ProductController {

    @Autowired
    private IProductService productService;

    //查询全部产品
    @RequestMapping("/findAll.do")
    public ModelAndView findAll() throws Exception {
        ModelAndView mv = new ModelAndView();
        List<Product> ps = productService.findAll();
        mv.addObject("productList", ps);
        mv.setViewName("product-list");
        return mv;

    }

}

7.product-list.jsp页面制作

 使用IDEA处理JSP页面的脚本内容,替换的快捷键是  Ctrl+R

 Except Comments可以排除注释的内容。

 

 

 ../

 被替换为

${pageContext.request.contextPath}

 

 如果使用MySQL做数据库,那么语句语法是有不同的要注意。

use itheima;
drop table  if exists `product`;
-- 创建1个表
CREATE TABLE `product`(
`id` varchar(32) NOT NULL,
`productNum` varchar(50) NOT NULL, 
`productName` varchar(50), 
`cityName` varchar(50), 
`departureTime` timestamp, 
`productPrice` INT, 
`productDesc` varchar(500), 
`productStatus` INT,
 PRIMARY KEY (`id`)
);

-- 插入测试数据
insert into product (id, productNum, productName, cityName, departureTime, productPrice,productDesc, productStatus)
values ('676C5BD1D35E429A8C2E114939C5685A', 'itcast-002', '北京三日游', '北京', '2018-10-10 10:10:00', 1200, '不错的旅行', 1);
insert into product (id, productNum, productName, cityName, departureTime, productPrice,productDesc, productStatus)
values ('9F71F01CB448476DAFB309AA6DF9497F', 'itcast-001', '北京三日游', '北京', '2018-10-10 10:10:00', 1200, '不错的旅行', 1);
insert into product (id, productNum, productName, cityName, departureTime, productPrice,productDesc, productStatus)
values ('12B7ABF2A4C544568B0A7C69F36BF8B7', 'itcast-003', '上海五日游', '上海', '2019-10-10 14:30:00', 1800, '魔都我来了', 0);

 db.properties

jdbc.driver=com.mysql.cj.jdbc.Driver
jdbc.url=jdbc:mysql://localhost:3306/itheima?serverTimezone=Asia/Shanghai
jdbc.username=root
jdbc.password=root

 

8.main.jsp页面制作

当前项目默认的index.jsp长得比较简陋,我们希望从index.jsp直接跳转到视觉效果更好的 main.jsp 前端页面。

注释掉超链接<a标签,引入一个 <jsp:forward 标签

<%@ page language="java" contentType="text/html; charset=UTF-8"
         pageEncoding="UTF-8"%>
<html>
<head>

    <title>主页</title>
</head>
<body>
<%--<a href="${pageContext.request.contextPath}/product/findAll.do">查询所有的产品信息</a>--%>
<jsp:forward page="WEB-INF/pages/main.jsp"></jsp:forward>
</body>
</html>

 

 图片资源加载不成功,最后把images目录移动到webapp目录下。

 

        <!-- 内容区域 -->
        <div class="content-wrapper">
            <%--资源相对路径--%>
            <img src="${pageContext.request.contextPath}/images/center.jpg"
                width="100%" height="100%" />

        </div>

 

 

 9.产品操作-添加产品流程描述

 

  10.产品操作-产品添加操作

  添加产品用资料里给的product-add.jsp页面文件,我把它重命名为product-add2.jsp放到webapp/page/目录下。

  在WEB-INF/pages/product-list2.jsp页面的“新建”按钮处添加一个onclick属性,写入浏览器直接跳转文件资源路径。

<button type="button" class="btn btn-default" title="新建" onclick="location.href='../page/product-add2.jsp'"><i class="fa fa-file-o"></i> 新建</button>

 

控制类方法的添加

ProductController

 

@Controller
@RequestMapping("/product")
public class ProductController {

    @Autowired
    private IProductService productService;

    //查询全部产品
    @RequestMapping("/findAll.do")
    public ModelAndView findAll() throws Exception {
        ModelAndView mv = new ModelAndView();
        List<Product> ps = productService.findAll();
        mv.addObject("productList", ps);
        mv.setViewName("product-list2");
        return mv;

    }

    //产品添加后跳转查询产品
    @RequestMapping("/save.do")
    public String save(Product product)throws Exception{
        productService.save(product);
        return "redirect:findall.do";
    }

}

Service层

ProductServiceImpl

@Service
@Transactional  //注解的方式配置spring事务管理
public class ProductServiceImpl implements IProductService {

    @Autowired
    private IProductDao productDao;

    @Override
    public List<Product> findAll()throws Exception{

        return productDao.findAll();
    }
    
    //服务层保存添加产品调用了DAO层对象的方法
    @Override
    public void save (Product product){
        productDao.save(product);
    }


}

DAO层接口的@Insert注解插入数据

public interface IProductDao {

    //查询所有的产品信息
    @Select("select * from product")
    public List<Product> findAll() throws Exception;

    //  https://www.cnblogs.com/MarlonKang/p/11491217.html
    @Insert({"insert into product(productNum,productName,cityName,departureTime,productPrice,productDesc,productStatus)",
    "values(#{productNum},#{productName},#{cityName},#{departureTime},#{productPrice},#{productDesc},#{productStatus})"})
    public void save(Product product);

}

SQL语句不在一行会报错,所以在每一行都用一对 英文双引号,然后在外侧添加一对{ } ,第一行SQL末尾有一个英文,

  

  

 

 

//在springMVC框架下的实体类的Date类型的成员变量上使用
//可以实现页面表单提交字符串数据转化成Date类型JAVA数据
@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm")

 

拓展练习: 删除按钮,通过网页上的 checkbox选中的实现。

-- 查询PRODUCT表中数据
select * from product t;
-- 删除PRODUCT表中数据通过productNum值
delete from PRODUCT where PRODUCTNUM = '1234567890';

使用PL/SQL Developer再Commit一下,提交事务。

现在我们需要在product-list.jsp这个用来展示查询所有产品信息的网页上,添加删除按钮的功能实现。首先要解决的是,那一组自动产生的checkbox的value值的获取和选中状态的判断。这里使用了jQurey技术。

参考教程: checkbox 复选框全选代码

                  Jquery 数组操作

                            <c:forEach var="product" items="${productList}" varStatus="s" >
                            <tr>
                                <td><input   type="checkbox"  value="${product.id}" name="Ids" id ="${s.index}" ></td>
                                <td>${product.id}</td>
                                <td>${product.productNum}
                                </td>
                                <td>${product.productName}</td>
                                <td>${product.cityName}</td>
                                <td>${product.departureTimeStr}</td>
                                <td class="text-center">${product.productPrice}</td>
                                <td class="text-center">${product.productDesc}</td>
                                <td class="text-center">${product.productStatusStr}</td>
                                <td class="text-center">
                                    <button type="button" class="btn bg-olive btn-xs">订单</button>
                                    <button type="button" class="btn bg-olive btn-xs">详情</button>
                                    <button type="button" class="btn bg-olive btn-xs">编辑</button>
                                </td>
                            </tr>
                            </c:forEach>

 工具栏那部分按钮代码如下。

 

       <button type="button" class="btn btn-default" title="新建" onclick="location.href='../page/product-add2.jsp'"><i class="fa fa-file-o"></i> 新建</button>
       <button type="button" class="btn btn-default" title="删除" onclick="deleteProduct()"><i class="fa fa-trash-o"></i> 删除</button>

 

  测试jQuery获取checkbox数组对象,并提取数组元素checkbox的value值。

  

    <script>
        function deleteProduct() {
                var arrayObj =document.getElementsByName("Ids");
                //s.index从0开始,所以第一行的checkbox的id=0
                var checkbox =document.getElementById("0");
                //第一弹出的是checkbox的总行数
                alert(arrayObj.length);
                //第二弹出的是第一行的产品ID值
                alert(checkbox.value);

                //获取数组的元素,通过数组索引
                //数组索引值为显示的checkbox行数减一
                var testGetArrValue=arrayObj[1];
                //第三弹出整个checkbox数组中被索引的第2个元素的value值
                alert(testGetArrValue.value);
            
                var selectList = [];
                alert(selectList.length);  //第四弹出数组初始长度0

                $('input[name=Ids]:checked ').each(function () {
                    //这里用所选复选框或运算后的值

                    //jQuery数组的push方法
                    selectList.push($(this).val());
                    });

                alert(selectList.length);  //第五弹出选中的checkbox个数
            

        }


    </script>

  现在的需求是:如何把JSP页面里的字符串数组-->后台的数组变量。

  \02 JavaWeb+黑马旅游网\javaweb\2-15Jquery\第1节 JQuery基础\04_JQuery对象和JS对象区别与转换.mp4

  服务器端无法直接使用浏览器客户端内容,必须先提交到服务器才行,用表单或者ajax来提交var变量。

  \02 JavaWeb+黑马旅游网\javaweb\2-16Ajax和JSON\第2节 JQuery方式实现Ajax

  通过ajax提交数组时,后端spring MVC中的@RequestParam获取不到参数。ajax请求时增加:traditional: true 就可以正常提交了。

  关于Ajax请求传递数组参数的解决办法

 

    

  product-list2.jsp

    <script>
        function deleteProduct() {
                var arrayObj =document.getElementsByName("Ids");
                //s.index从0开始,所以第一行的checkbox的id=0
                var checkbox =document.getElementById("0");
                //第一弹出的是checkbox的总行数
                alert(arrayObj.length);
                //第二弹出的是第一行的产品ID值
                alert(checkbox.value);

                //获取数组的元素,通过数组索引
                //数组索引值为显示的checkbox行数减一
                var testGetArrValue=arrayObj[1];
                //第三弹出整个的checkbox数组中第二行的产品ID值
                alert(testGetArrValue.value);


                var selectList = [];
                alert(selectList.length);  //第四弹出数组初始长度0

                $('input[name=Ids]:checked ').each(function () {
                    //这里用所选复选框或运算后的值

                    //jQuery数组的push方法
                    selectList.push($(this).val());
                    });

                alert(selectList.length);  //第五弹出选中的checkbox总个数


            //用jQuery实现AJAX请求提交数据到服务器端
            //保存数据到服务器,成功时控制台打印显示信息
            var selectListTest = new Array();
            selectListTest[0] = "param1";
            selectListTest[1] = "param2";
            selectListTest[2] = "param3";
            $.ajax({
                    type:"POST",
                    url:"${pageContext.request.contextPath}/product/delete.do",
                    contentType:"application/json",//jQuery的ajax提交数组使得springMVC使用必填参数
                    //接收用@requestBody
                    data:JSON.stringify(selectList),  //数组通过JSON.stringify格式化
                    success:function (data) {
                        alert(data);
                    }

                });



        }
        

    </script>

 

  Web层的Controler控制类的method

    //删除产品的某个分类通过产品ID编号
    @RequestMapping("/delete.do")
    public String deleteByNum(@RequestBody List<String> selectList)throws Exception{
        System.out.println( "JSP页面通过AJAX技术提交POST请求的路径找到。" );
        System.out.println( selectList );

        //从List中遍历字符串完成删除操作
        for (String productId :selectList
             ) {
            System.out.println( productId );
            productService.deleteByNum(productId);
        }

        System.out.println( "JSP页面通过AJAX技术提交字符串数组成功实现。" );

        return"redirect:findAll.do";
    }

  DAO层接口

package cn.bjut.ssm.dao;

import cn.bjut.ssm.domain.Product;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Select;

import java.util.List;

public interface IProductDao {

    //查询所有的产品信息
    @Select("select * from product")
    public List<Product> findAll() throws Exception;

    //  https://www.cnblogs.com/MarlonKang/p/11491217.html
    @Insert({"insert into product(productNum,productName,cityName,departureTime,productPrice,productDesc,productStatus)",
    "values(#{productNum},#{productName},#{cityName},#{departureTime},#{productPrice},#{productDesc},#{productStatus})"})
    public void save(Product product);

    //删除产品通过产品的ID属性值,oracle数据库的TABLE列的别名字段不区分大小写。
    @Delete("delete from PRODUCT where ID = #{id}")
    public void deleteByNum(String id);

}

 

经过测试,实现了通过浏览器页面上的“删除”按钮+checkbox 来删除oracle数据库的产品表中的信息。



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end

 

posted @ 2019-09-18 07:45  Marlon康  阅读(1623)  评论(0编辑  收藏  举报