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SSM整合（Spring + SpringMVC + MyBatis）

 

准备数据库

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SET FOREIGN_KEY_CHECKS=0;
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user` (
  `id` int(11) NOT NULL AUTO_INCREMENT,
  `username` varchar(20) NOT NULL COMMENT '用户名',
  `password` varchar(255) NOT NULL COMMENT '密码',
  `real_name` varchar(255) NOT NULL COMMENT '真实名',
  `sex` varchar(255) DEFAULT NULL COMMENT '性别',
  `birthday` date DEFAULT NULL COMMENT '生日',
  `phone` varchar(255) NOT NULL COMMENT '电话',
  `utype` tinyint(1) DEFAULT NULL COMMENT '用户类型',
  `addtime` datetime DEFAULT NULL COMMENT '添加时间',
  `adduser` varchar(255) DEFAULT NULL COMMENT '添加者',
  PRIMARY KEY (`id`),
  UNIQUE KEY `phone` (`phone`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
      
insert into `user` values(1,'qzcsbj1','62f7f5673e94eca261b8fce7ae7863a4','qzcsbj1','男','2018-09-06','13800000001',0,now(),'qzcsbj');
insert into `user` values(2,'qzcsbj2','62f7f5673e94eca261b8fce7ae7863a4','qzcsbj2','女','2018-09-07','13800000002',1,now(),'qzcsbj');
insert into `user` values(3,'qzcsbj3','62f7f5673e94eca261b8fce7ae7863a4','qzcsbj3','男','2018-09-08','13800000003',0,now(),'qzcsbj');
insert into `user` values(4,'qzcsbj4','62f7f5673e94eca261b8fce7ae7863a4','qzcsbj4','女','2018-09-09','13800000004',1,now(),'qzcsbj');
insert into `user` values(5,'qzcsbj5','62f7f5673e94eca261b8fce7ae7863a4','qzcsbj5','女','2018-09-10','13800000005',0,now(),'qzcsbj');

 

创建一个maven工程

选择webapp

输入项目信息（坐标）

配置mvn

点击“Finish”

结构

上面有些目录没有，比如java、resources等，需要我们手工创建，创建后如下图：

 

添加pom依赖

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<!--集中定义版本号-->
  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <maven.compiler.source>1.7</maven.compiler.source>
    <maven.compiler.target>1.7</maven.compiler.target>
    <springmvc.version>4.3.14.RELEASE</springmvc.version>
    <spring.version>4.3.14.RELEASE</spring.version>
    <mybatis.version>3.4.6</mybatis.version>
    <mybatis.spring.version>1.3.1</mybatis.spring.version>
    <mysql.version>5.1.47</mysql.version>
    <druid.version>1.1.10</druid.version>
    <junit.version>4.12</junit.version>
    <log4j.version>1.2.17</log4j.version>
    <commons-lang3.version>3.3.2</commons-lang3.version>
    <commons-io.version>1.3.2</commons-io.version>
  </properties>
 
  <dependencies>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-webmvc</artifactId>
      <version>${springmvc.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-web</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>javax.servlet-api</artifactId>
      <version>3.1.0</version>
      <scope>provided</scope>
    </dependency>
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>jsp-api</artifactId>
      <version>2.0</version>
      <scope>provided</scope>
    </dependency>
    <dependency>
      <groupId>javax.servlet</groupId>
      <artifactId>jstl</artifactId>
      <version>1.2</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-core</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-context</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-expression</artifactId>
      <version>${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.springframework</groupId>
      <artifactId>spring-aspects</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aop</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis</artifactId>
      <version>${mybatis.version}</version>
    </dependency>
    <dependency>
      <groupId>org.mybatis</groupId>
      <artifactId>mybatis-spring</artifactId>
      <version>${mybatis.spring.version}</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>${spring.version}</version>
    </dependency>
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>${mysql.version}</version>
    </dependency>
    <dependency>
      <groupId>com.alibaba</groupId>
      <artifactId>druid</artifactId>
      <version>${druid.version}</version>
    </dependency>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>${junit.version}</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>${log4j.version}</version>
    </dependency>
  </dependencies>

　　

pom的build中添加：

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<plugins>
      <!-- 编译插件 -->
      <plugin>
        <groupId>org.apache.maven.plugins</groupId>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.1</version>
        <configuration>
          <source>1.8</source>
          <target>1.8</target>
          <encoding>UTF-8</encoding>
        </configuration>
      </plugin>
 
      <!--tomcat插件-->
      <plugin>
        <groupId>org.apache.tomcat.maven</groupId>
        <artifactId>tomcat7-maven-plugin</artifactId>
        <version>2.2</version>
        <configuration>
          <path>/</path>
          <port>8080</port>
        </configuration>
      </plugin>
    </plugins>

 

创建实体类

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package com.qzcsbj.pojo;
 
import java.io.Serializable;
import java.util.Date;
 
/**
 * @公众号 : 全栈测试笔记
 * @博客 : www.cnblogs.com/uncleyong
 * @微信 : ren168632201
 * @描述 : <>
 */
 
public class User implements Serializable {
    private static final long serialVersionUID = 5753660691492463802L;
 
    private Integer id;
    private String username;
    private String password;
    private String realName;
    private String sex;
    private Date birthday;
    private String phone;
    private String utype;
    private String addtime;
    private String adduser;
 
    public User() {
    }
 
    public User(String username, String password, String realName, String sex, Date birthday, String phone, String utype,String adduser, String addtime) {
        this.username = username;
        this.password = password;
        this.realName = realName;
        this.sex = sex;
        this.birthday = birthday;
        this.phone = phone;
        this.utype = utype;
        this.adduser = adduser;
        this.addtime = addtime;
    }
 
    public Integer getId() {
        return id;
    }
 
    public void setId(Integer id) {
        this.id = id;
    }
 
 
    public String getUsername() {
        return username;
    }
 
    public void setUsername(String username) {
        this.username = username;
    }
 
 
    public String getPassword() {
        return password;
    }
 
    public void setPassword(String password) {
        this.password = password;
    }
 
 
    public String getRealName() {
        return realName;
    }
 
    public void setRealName(String realName) {
        this.realName = realName;
    }
 
 
    public String getSex() {
        return sex;
    }
 
    public void setSex(String sex) {
        this.sex = sex;
    }
 
 
    public Date getBirthday() {
        return birthday;
    }
 
    public void setBirthday(Date birthday) {
        this.birthday = birthday;
    }
 
 
    public String getPhone() {
        return phone;
    }
 
    public void setPhone(String phone) {
        this.phone = phone;
    }
 
 
    public String getUtype() {
        return utype;
    }
 
    public void setUtype(String utype) {
        this.utype = utype;
    }
 
 
    public String getAddtime() {
        return addtime;
    }
 
    public void setAddtime(String addtime) {
        this.addtime = addtime;
    }
 
 
    public String getAdduser() {
        return adduser;
    }
 
    public void setAdduser(String adduser) {
        this.adduser = adduser;
    }
 
    @Override
    public String toString() {
        return "User{" +
                "id=" + id +
                ", username='" + username + '\'' +
                ", password='" + password + '\'' +
                ", realName='" + realName + '\'' +
                ", sex='" + sex + '\'' +
                ", birthday=" + birthday +
                ", phone='" + phone + '\'' +
                ", utype='" + utype + '\'' +
                ", addtime=" + addtime +
                ", adduser='" + adduser + '\'' +
                '}';
    }
}

 

创建mapper层

UserMapper

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package com.qzcsbj.mapper;
 
import com.qzcsbj.pojo.User;
 
/**
 * @公众号 : 全栈测试笔记
 * @博客 : www.cnblogs.com/uncleyong
 * @微信 : ren168632201
 * @描述 : <>
 */
public interface UserMapper {
    public User getUserById(Integer id);
}

　　

UserMapper.xml

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<?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="com.qzcsbj.mapper.UserMapper">
 
    <resultMap id="userMap" type="com.qzcsbj.pojo.User">
        <id column="id" property="id"/>
        <result column="real_name" property="realName"/>
    </resultMap>
 
    <select id="getUserById" resultMap="userMap">
        SELECT * from user where id=#{id}
    </select>
</mapper>

 

mybatis和spring整合

log4j.properties

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log4j.rootLogger = INFO,console
log4j.appender.console = org.apache.log4j.ConsoleAppender
log4j.appender.console.Target = System.out
log4j.appender.console.layout = org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern = %d{**:mm:ss SSS} [%t] %-5p method: %l----%m%n
log4j.logger.java.sql.ResultSet=INFO
log4j.logger.org.apache=INFO
log4j.logger.java.sql.Connection=DEBUG
log4j.logger.java.sql.Statement=DEBUG
log4j.logger.java.sql.PreparedStatement=DEBUG

 

jdbc.properties

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jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://192.168.117.180:3306/gift?useUnicode=true&characterEncoding=utf-8&useSSL=true
jdbc.username=root
jdbc.password=qzcsbj

　　

applicationContext.xml

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<?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"
       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">
 
    <context:component-scan base-package="com.qzcsbj.*"/>
    <context:property-placeholder location="classpath:jdbc.properties"/>
    <bean id="ds" class="com.alibaba.druid.pool.DruidDataSource">
        <property name="driverClassName" value="${jdbc.driver}"/>
        <property name="username" value="${jdbc.username}"/>
        <property name="password" value="${jdbc.password}"/>
        <property name="url" value="${jdbc.url}"/>
    </bean>
 
    <bean id="sessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
        <property name="dataSource" ref="ds"/>
        <property name="mapperLocations" value="classpath:com/qzcsbj/mapper/*.xml"/>
        <property name="typeAliasesPackage" value="com.qzcsbj.pojo"/>
    </bean>
 
    <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
        <property name="basePackage" value="com.qzcsbj.mapper"/>
    </bean>
</beans>

 

测试类：

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package com.qzcsbj.test;
 
import com.qzcsbj.mapper.UserMapper;
import com.qzcsbj.pojo.User;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
/**
 * @公众号 : 全栈测试笔记
 * @博客 : www.cnblogs.com/uncleyong
 * @微信 : ren168632201
 * @描述 : <>
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:applicationContext.xml")
public class TestSSM {
    @Autowired
    UserMapper userMapper;
 
    @Test
    public void testFindById(){
        User user = userMapper.getUserById(1);
        System.out.println(user);
    }
}

 

报错

org.apache.ibatis.binding.BindingException: Invalid bound statement (not found): com.qzcsbj.mapper.UserMapper.getUserById

 

下面没有UserMapper.xml

 

pom中加入：

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<resources>
    <resource>
        <directory>src/main/java</directory>
        <includes>
            <include>**/*.xml</include>
        </includes>
    </resource>
</resources>

　　

结果：

 

创建service层

UserService

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package com.qzcsbj.service;
 
import com.qzcsbj.pojo.User;
 
/**
 * @公众号 : 全栈测试笔记
 * @博客 : www.cnblogs.com/uncleyong
 * @微信 : ren168632201
 * @描述 : <>
 */
public interface UserService {
    public User getUserById(Integer id);
}

　　

UserServiceImlp

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package com.qzcsbj.service.impl;
 
import com.qzcsbj.mapper.UserMapper;
import com.qzcsbj.pojo.User;
import com.qzcsbj.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
 
/**
 * @公众号 : 全栈测试笔记
 * @博客 : www.cnblogs.com/uncleyong
 * @微信 : ren168632201
 * @描述 : <>
 */
@Service
public class UserServiceImpl implements UserService {
    @Autowired
    UserMapper userMapper;
 
    @Override
    public User getUserById(Integer id) {
        return userMapper.getUserById(id);
    }
}

 

测试类：

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package com.qzcsbj.test;
 
import com.qzcsbj.mapper.UserMapper;
import com.qzcsbj.pojo.User;
import com.qzcsbj.service.UserService;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
/**
 * @公众号 : 全栈测试笔记
 * @博客 : www.cnblogs.com/uncleyong
 * @微信 : ren168632201
 * @描述 : <>
 */
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:applicationContext.xml")
public class TestSSM {
    @Autowired
    UserService userService;
 
    @Test
    public void testFindById(){
        User user = userService.getUserById(1);
        System.out.println(user);
    }
}

　　

结果：

 

spring和springmvc整合

创建Controller层

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package com.qzcsbj.controller;
 
import com.qzcsbj.pojo.User;
import com.qzcsbj.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
 
/**
 * @公众号 : 全栈测试笔记
 * @博客 : www.cnblogs.com/uncleyong
 * @微信 : ren168632201
 * @描述 : <>
 */
@Controller
public class UserController {
    @Autowired
    UserService userService;
 
    @RequestMapping("/showEmployee")
    public String showEmployee(Long id,Model model){
        User user = userService.getUserById(id);
        model.addAttribute("user", user);
        return "user";
    }
}

 

需要视图解析器，springmvc.xml

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<?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"
       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">
 
    <context:component-scan base-package="com.qzcsbj.controller"/>
 
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix" value="/WEB-INF/jsp/"/>
        <property name="suffix" value=".jsp"/>
    </bean>
</beans>

 

WEB-INF下创建jsp目录，再创建视图：user.jsp

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<%@ page contentType="text/html;charset=UTF-8" language="java" isELIgnored="false" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
    <table width="100%" border=1>
        <tr>
            <td>用户id</td>
            <td> ${user.id } </td>
        </tr>
        <tr>
            <td>用户名</td>
            <td> ${user.username} </td>
        </tr>
        <tr>
            <td>真实名</td>
            <td>${user.realName}</td>
        </tr>
        <tr>
            <td>电话</td>
            <td>${user.phone} </td>
        </tr>
    </table>
</body>
</html>

 

配置SpringMVC的核心控制器

web.xml中

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<servlet>
  <servlet-name>DispatcherServlet</servlet-name>
  <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
  <init-param>
    <param-name>contextConfigLocation</param-name>
    <param-value>classpath:springmvc.xml</param-value>
  </init-param>
  <load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
  <servlet-name>DispatcherServlet</servlet-name>
    <url-pattern>*.do</url-pattern>
</servlet-mapping>

　　

spring监听器配置

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<context-param>
  <param-name>contextConfigLocation</param-name>
  <param-value>classpath*:applicationContext*.xml</param-value>
</context-param>
 
<listener>
  <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>

　

测试

先执行clean，再执行complie，然后执行下面的run

 

报错

 

org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from class path resource [springmvc.xml]; nested exception is java.io.FileNotFoundException: class path resource [springmvc.xml] cannot be opened because it does not exist

 

pom中加入：

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<resource>
  <directory>src/main/resources</directory>
  <includes>
    <include>**/*.xml</include>
    <include>**/*.properties</include>
  </includes>
  <filtering>false</filtering>
</resource>

　　

clean后再compile

运行

 

 

访问：http://localhost:8080/

 

访问：http://localhost:8080/getUser.do?id=1

 

访问：http://localhost:8080/getUser.do?id=2

 

【bak】

原文会持续更新，原文地址：https://www.cnblogs.com/uncleyong/p/17063781.html

 

posted @   全栈测试笔记  阅读(116)  评论(0)  编辑  收藏  举报
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