bootstrap+Ajax+SSM(maven搭建)表单增删改查
前后端分离,前端利用ajax调用后端API接收json数据,进行表单的增删改查
软件架构
- IDE:IDEA
- 数据库:mysql
- jdk:1.8
- tomcat:9
- 后端:springmvc,mybatis
- 前端:bootstrap
项目地址:https://gitee.com/smfx1314/ssm-demo
效果图:
项目结构:
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>
<groupId>com.ssm.demo</groupId>
<artifactId>ssm-demo</artifactId>
<version>1.0-SNAPSHOT</version>
<packaging>war</packaging>
<name>ssm-demo 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>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<maven.compiler.source>1.7</maven.compiler.source>
<maven.compiler.target>1.7</maven.compiler.target>
<org.springframework.version>4.2.4.RELEASE</org.springframework.version>
<java.version>1.8</java.version>
<mybatis.version>3.2.5</mybatis.version>
<mybatis-spring.version>1.2.2</mybatis-spring.version>
<jdbc.driver.version>5.1.38</jdbc.driver.version>
<aspectj.version>1.7.4</aspectj.version>
<javax.servlet-api.version>3.1.0</javax.servlet-api.version>
<jsp-api.version>2.2</jsp-api.version>
<jstl.version>1.2</jstl.version>
<com.alibaba.druid.version>1.0.25</com.alibaba.druid.version>
<com.google.gson.version>2.7</com.google.gson.version>
</properties>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
<!-- 3.Spring -->
<!-- 1)Spring核心 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<!-- 2)Spring DAO层 -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-tx</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<!-- 3)Spring web -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<!-- 4)Spring test -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
<version>${org.springframework.version}</version>
</dependency>
<!-- Map工具类 -->
<dependency>
<groupId>commons-collections</groupId>
<artifactId>commons-collections</artifactId>
<version>3.2.2</version>
</dependency>
<!--文件上传工具-->
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.2</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.5</version>
</dependency>
<!-- Begin: 数据库依赖包 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>${jdbc.driver.version}</version>
<scope>runtime</scope>
</dependency>
<!-- End: 数据库依赖包 -->
<!--druid==>阿里巴巴数据库连接池-->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>${com.alibaba.druid.version}</version>
</dependency>
<!--json-->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.5.2</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.5.2</version>
</dependency>
<!-- Begin: mybatis依赖 -->
<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>
<!-- End: mybatis依赖 -->
<!--引入分页插件-->
<dependency>
<groupId>com.github.pagehelper</groupId>
<artifactId>pagehelper</artifactId>
<version>5.1.2</version>
</dependency>
<!-- Begin: aspectj相关jar包-->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>${aspectj.version}</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>${aspectj.version}</version>
</dependency>
<!-- End: aspectj相关jar包-->
<!-- Begin: Servlet相关依赖包 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>${javax.servlet-api.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
<version>${jsp-api.version}</version>
</dependency>
<!-- 2.Servlet web -->
<dependency>
<groupId>taglibs</groupId>
<artifactId>standard</artifactId>
<version>1.1.2</version>
</dependency>
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- End: Servlet相关依赖包 -->
<!--json数据格式-->
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>2.8.5</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>2.8.5</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.8.5</version>
</dependency>
<!--excle导入导出-->
<!--<dependency>
<groupId>com.alibaba</groupId>
<artifactId>easyexcel</artifactId>
<version>1.0.2</version>
</dependency>-->
</dependencies>
<build>
<finalName>ssm-demo</finalName>
<pluginManagement><!-- lock down plugins versions to avoid using Maven defaults (may be moved to parent pom) -->
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.6.1</version>
<configuration>
<!-- <source>1.8</source> 源代码使用的开发版本 <target>1.8</target> 需要生成的目标class文件的编译版本 -->
<encoding>utf-8</encoding>
</configuration>
</plugin>
</plugins>
</pluginManagement>
</build>
</project>
首先是配置文件,applicationContext.xml,springmvc.xml,mybatis-config.xml,web.xml
applicationContext
<?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:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
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/tx
http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd">
<!-- 自动扫描 -->
<context:component-scan base-package="com.ssm.dao"/>
<context:component-scan base-package="com.ssm.service"/>
<!--配置数据源-->
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/ssm-demo"/>
<!-- 改为你的地址即可 -->
<property name="username" value="root"/>
<property name="password" value="1234"/>
</bean>
<!--配置SessionFactoryBean-->
<bean id="sqlSessionFactoryBean" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource"></property>
<property name="mapperLocations" value="classpath:mappers/*.xml"></property>
<property name="configLocation" value="classpath:mybatis-config.xml"></property>
</bean>
<!--Mapper接口扫描:DAO接口所在包名,Spring会自动查找其下的类-->
<bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
<property name="basePackage" value="com.ssm.dao"></property>
<property name="sqlSessionFactoryBeanName" value="sqlSessionFactoryBean"></property>
</bean>
<!--事务管理transaction manager-->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource"></property>
</bean>
<!--开启注解事务-->
<tx:annotation-driven transaction-manager="transactionManager"></tx:annotation-driven>
</beans>
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:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
<!-- 使用注解的包,包括子集 -->
<context:component-scan base-package="com.ssm.controller"/>
<!--两个标配-->
<!-- 解决映射器处理器和映射器适配器 -->
<mvc:annotation-driven/>
<!-- 处理静态资源 -->
<mvc:default-servlet-handler/>
<!-- 视图解析器 这里可以不用配置,因为是通过ajax异步调用,本人习惯配置上,根据需要更改-->
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/"/>
<property name="suffix" value=".jsp"></property>
</bean>
</beans>
mybatis-config.xml 为了配置分页插件
<?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>
<!-- Globally enables or disables any caches configured in any mapper under this configuration -->
<setting name="cacheEnabled" value="false"/>
<!-- Sets the number of seconds the driver will wait for a response from the database -->
<setting name="defaultStatementTimeout" value="5"/>
<!-- Enables automatic mapping from classic database column names A_COLUMN to camel case classic Java property names aColumn -->
<setting name="mapUnderscoreToCamelCase" value="true"/>
<!-- Allows JDBC support for generated keys. A compatible driver is required.
This setting forces generated keys to be used if set to true,
as some drivers deny compatibility but still work -->
<setting name="useGeneratedKeys" value="true"/>
</settings>
<!-- Continue editing here -->
<typeAliases>
<package name="com.ssm.entity"/>
</typeAliases>
<!-- 引入 pageHelper插件 -->
<plugins>
<plugin interceptor="com.github.pagehelper.PageInterceptor">
<!--reasonable:分页合理化参数,默认值为false。
当该参数设置为 true 时,pageNum<=0 时会查询第一页,
pageNum>pages(超过总数时),会查询最后一页。
默认false 时,直接根据参数进行查询。-->
<property name="reasonable" value="true"/>
</plugin>
</plugins>
</configuration>
web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:web="http://java.sun.com/xml/ns/javaee" xmlns="http://java.sun.com/xml/ns/javaee"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
id="WebApp_ID" version="3.0">
<display-name>Archetype Created Web Application</display-name>
<!--Start 欢迎页-->
<welcome-file-list>
<welcome-file>index.html</welcome-file>
</welcome-file-list>
<!--End 欢迎页-->
<!--Start spring监听器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!--End Start spring监听器 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param>
<!--Start 编码过滤器 解决乱码问题-->
<filter>
<filter-name>encodingFilter</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>encodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<!--End 编码过滤器 解决乱码问题-->
<!--Start spring mvc servlet-->
<servlet>
<servlet-name>springmvc</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>springmvc</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<!--End servlet-mapping -->
<!--druid ==> WEB方式监控配置-->
<servlet>
<servlet-name>DruidStatView</servlet-name>
<servlet-class>com.alibaba.druid.support.http.StatViewServlet</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>DruidStatView</servlet-name>
<url-pattern>/druid/*</url-pattern>
</servlet-mapping>
<filter>
<filter-name>druidWebStatFilter</filter-name>
<filter-class>com.alibaba.druid.support.http.WebStatFilter</filter-class>
<init-param>
<param-name>exclusions</param-name>
<param-value>/public/*,*.js,*.css,/druid*,*.jsp,*.swf</param-value>
</init-param>
<init-param>
<param-name>principalSessionName</param-name>
<param-value>sessionInfo</param-value>
</init-param>
<init-param>
<param-name>profileEnable</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>druidWebStatFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
实体类
User
package com.ssm.entity;
import com.alibaba.excel.metadata.BaseRowModel;
import java.io.Serializable;
/**
* Created by jiangfeixiang on 2018/9/4
* @author smfx1314
*
*/
public class User extends BaseRowModel implements Serializable {
private Integer id;
private String username;
private String sex;
private String city;
private Integer age;
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 getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public String getCity() {
return city;
}
public void setCity(String city) {
this.city = city;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
@Override
public String toString() {
return "User{" +
"id=" + id +
", username='" + username + '\'' +
", sex='" + sex + '\'' +
", city='" + city + '\'' +
", age=" + age +
'}';
}
}
dao层
UserMapper接口
package com.ssm.dao;
import com.ssm.entity.User;
import org.springframework.stereotype.Repository;
import java.util.List;
/**
* Created by jiangfeixiang on 2018/9/4
* @author smfx1314
*/
@Repository
public interface UserMapper {
/**
* 查询所有用户
* @return
*/
List<User> getAllUser();
/**
*
* @param username
* @return
*/
User checkUserName(String username);
/**
* 保存用户
* @param user
* @return
*/
int saveUser(User user);
/**
* 根据id删除用户
* @param id
* @return
*/
int deleteUser(Integer id);
/**
* 修改用户
* @param user
*/
void updateUser(User user);
}
对应的UserMapper.xml
<?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.ssm.dao.UserMapper" >
<!--<resultMap id="BaseResultMap" type="User" >
<id column="id" property="id" jdbcType="INTEGER" />
<result column="username" property="username" jdbcType="VARCHAR" />
<result column="password" property="password" jdbcType="VARCHAR" />
</resultMap>-->
<!--查询所有用户-->
<select id="getAllUser" resultType="User">
SELECT * FROM USER
</select>
<!--根据用户名查询,校验用户名-->
<select id="checkUserName" resultType="User" parameterType="String">
SELECT * FROM USER WHERE username=#{username}
</select>
<!--保存用户-->
<insert id="saveUser" parameterType="User">
INSERT INTO USER(username,sex,city,age) VALUES(#{username},#{sex},#{city},#{age})
</insert>
<!--修改用户-->
<update id="updateUser" parameterType="User">
UPDATE USER SET username=#{username},sex=#{sex},city=#{city},age=#{age} WHERE id=#{id}
</update>
<!--根据id删除用户-->
<delete id="deleteUser" parameterType="Integer">
DELETE FROM USER WHERE id=#{id}
</delete>
</mapper>
service层
UserService接口
package com.ssm.service;
import com.ssm.entity.User;
import java.util.List;
/**
* Created by jiangfeixiang on 2018/9/4
*/
public interface UserService {
/**
* 返回所有用户
* @return
*/
List<User> getAllUser();
/**
* 校验用户名
* @param username
* @return
*/
User checkUserName(String username);
/**
* 保存用户
* @param user
* @return
*/
int saveUser(User user);
/**
* 删除用户根据id
* @param id
* @return
*/
int deleteUser(Integer id);
/**
* 修改用户
* @param user
*/
void updateUser(User user);
}
UserServiceImpl实现类
package com.ssm.service.impl;
import com.ssm.dao.UserMapper;
import com.ssm.entity.User;
import com.ssm.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.util.List;
/**
* Created by jiangfeixiang on 2018/9/4
*/
@Service
@Transactional
public class UserServiceImpl implements UserService {
@Autowired
private UserMapper userMapper;
/**
* 查询所有用户
* @return
*/
@Override
public List<User> getAllUser() {
List<User> allUser = userMapper.getAllUser();
return allUser;
}
/**
* 校验用户名
* @param username
* @return
*/
@Override
public User checkUserName(String username) {
return userMapper.checkUserName(username);
}
/**
* 保存用户
* @param user
* @return
*/
@Override
public int saveUser(User user) {
int i = userMapper.saveUser(user);
return i;
}
/**
* 修改用户
*/
@Override
public void updateUser(User user) {
userMapper.updateUser(user);
}
/**
* 根据id删除用户
* @param id
* @return
*/
@Override
public int deleteUser(Integer id) {
return userMapper.deleteUser(id);
}
}
Controller层
UserController
package com.ssm.controller;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.ssm.common.ResultData;
import com.ssm.entity.User;
import com.ssm.service.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Created by jiangfeixiang on 2018/9/4
* @author
*/
@Controller
@RequestMapping(value = "/user")
public class UserController {
@Autowired
private UserService userService;
/**
*这里统一返回ResultData封装的json数据格式,不在用Map<String,Object>形式了
* @return
*/
@RequestMapping(value = "/getAllUser",method = RequestMethod.GET)
@ResponseBody
public ResultData getAllUser(@RequestParam(defaultValue="1",required=true,value="pn") Integer pn){
Map<String, Object> map = new HashMap<>();
/**
* 每页显示记录数
*
*/
Integer pageSize=5;
/**
* 分页查询,注意顺序,startPage()方法放前面
*/
PageHelper.startPage(pn, pageSize);
/**
* 获取所用用户信息
*/
List<User> allUser = userService.getAllUser();
/**
* 使用pageInfo包装查询后的结果,只需要将pageInfo交给页面就行了。
* 封装了详细的分页信息,传入连续显示的页数
*/
PageInfo<User> pageInfo=new PageInfo(allUser);
// map.put("code",100);
// map.put("msg","成功");
// map.put("pageInfo",pageInfo);
//return map;
return ResultData.success(pageInfo);
}
/**
* 校验用户名
* @param username
* @return
*/
@RequestMapping(value = "/checkUser/{username}",method = RequestMethod.POST)
@ResponseBody
public ResultData checkUserName(@PathVariable("username") String username){
//校验用户名
User user = userService.checkUserName(username);
System.out.println(user);
return ResultData.success(user);
}
/**
* 保存用户信息
* @param user
* @return
*/
@RequestMapping(value = "/saveUser",method = RequestMethod.POST)
@ResponseBody
public ResultData saveUser(@RequestBody User user){
int i = userService.saveUser(user);
return ResultData.success();
}
/**
* 修改员工信息(更新)
*/
@RequestMapping(value = "/updateUser",method = RequestMethod.POST)
@ResponseBody
public ResultData updateUser(@RequestBody User user){
System.out.print(user);
userService.updateUser(user);
return ResultData.success();
}
/**
* 根据id删除用户
*/
@RequestMapping(value = "/deleteUser/{id}",method = RequestMethod.DELETE)
@ResponseBody
public ResultData deleteUser(@PathVariable("id")Integer id){
//保存用户
int i = userService.deleteUser(id);
System.out.println(i);
return ResultData.success();
}
}
为了Controller统一返回json数据格式,所以封装了ResultData
ResultData
package com.ssm.common;
/**
* @Author: 姜飞祥
* @Description: 封装结果集成统一的json样式
* @Date: Create in 2018/9/15 12:08
* @param: $params$
* @return: $returns$
*/
public class ResultData<T>{
/**
* 信息状态码,0表示成功,1表示失败
*/
private Integer code;
/**
* 提示信息
*/
private String msg;
/**
* 返回的对象,因为有分页信息,方便返回json数据见名之意,这里直接变量名为pageInfo。
*/
private T pageInfo;
/**
* 成功时调用的函数
* @param object 要返回的对象
* @return
*/
public static ResultData<Object> success(Object object) {
ResultData result = new ResultData();
result.setCode(200);
result.setMsg("成功");
result.setPageInfo(object);
return result;
}
/**
* 成功时,如果没有要返回的对象,调用此方法
* @return
*/
public static ResultData<Object> success() {
ResultData result = new ResultData();
result.setCode(200);
result.setMsg("成功");
result.setPageInfo(null);
//return success(null);
return result;
}
/**
* 失败时调用的函数
* @return
*/
public static ResultData<Object> fail() {
ResultData result = new ResultData();
result.setCode(100);
result.setMsg("失败");
return result;
}
public Integer getCode() {
return code;
}
public void setCode(Integer code) {
this.code = code;
}
public String getMsg() {
return msg;
}
public void setMsg(String msg) {
this.msg = msg;
}
public T getPageInfo() {
return pageInfo;
}
public void setPageInfo(T pageInfo) {
this.pageInfo = pageInfo;
}
@Override
public String toString() {
return "ResultData{" +
"code=" + code +
", msg='" + msg + '\'' +
", pageInfo=" + pageInfo +
'}';
}
}
下面是前端代码
- bootstrap官网:https://v3.bootcss.com/getting-started/#download
下载后整个复制到static下。 - jquery官网:http://jquery.com/download/
下载后复制到static>js下即可,并创建index.js文件
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>用户管理</title>
<!--引入jquery -->
<script src="./static/js/jquery-3.3.1.js"></script>
<!-- 引入样式-->
<link rel="stylesheet" href="./static/bootstrap-3.3.7-dist/css/bootstrap.min.css">
<script src="./static/bootstrap-3.3.7-dist/js/bootstrap.min.js"></script>
<script type="text/javascript" src="./static/js/index.js"></script>
</head>
<body>
<!--使用bootstrap搭建页面 -->
<div class="container">
<!--标题 -->
<div class="row">
<div class="col-md-12">
<h1>用户管理</h1>
</div>
</div>
<!--按钮 -->
<div class="row">
<div class="col-md-3 col-md-offset-8 col-sm-4 col-sm-offset-8">
<button class="btn btn-primary" id="user_add_modal_btn">新增</button>
<button class="btn btn-danger" id="user_delete_all_btn">删除</button>
</div>
</div>
<br>
<!--显示表格数据 -->
<div class="row">
<div class="table-responsive col-md-12">
<table class="table table-hover" id="users_table">
<thead>
<tr>
<th>
<input type="checkbox" id="check_all"/>
</th>
<th>ID</th>
<th>姓名</th>
<th>性别</th>
<th>城市</th>
<th>年龄</th>
<th>操作</th>
</tr>
</thead>
<tbody>
</tbody>
</table>
</div>
</div>
<!--显示分页信息 -->
<div class="row">
<!--分页文字信息 -->
<div class="col-md-6 col-sm-6" id="page_info_area">
当前第页,总共页,总共条记录
</div>
<!--分页导航条信息 -->
<div class="col-md-6 col-sm-6" id="page_nav_area">
</div>
</div>
</div>
<!-- 添加用户弹出的模态框 -->
<div class="modal fade" id="userAddModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span
aria-hidden="true">×</span></button>
<h4 class="modal-title" id="userAddModalLabel">添加用户</h4>
</div>
<div class="modal-body">
<form class="form-horizontal">
<div class="form-group">
<label class="col-sm-2 control-label">姓名</label>
<div class="col-sm-10">
<input type="text" name="username" class="form-control" id="username_add_input" placeholder="姓名2-16位中英文、数字">
<span class="help-block"></span>
</div>
</div>
<div class="form-group">
<label class="col-sm-2 control-label">性别</label>
<div class="col-sm-10">
<label class="radio-inline">
<input type="radio" name="sex" id="sex1_add_input" value="男" checked="checked"> 男
</label>
<label class="radio-inline">
<input type="radio" name="sex" id="sex2_add_input" value="女"> 女
</label>
</div>
</div>
<div class="form-group">
<label class="col-sm-2 control-label">城市</label>
<div class="col-sm-10">
<input type="text" name="city" class="form-control" id="city_add_input" placeholder="请输入城市">
<span class="help-block"></span>
</div>
</div>
<div class="form-group">
<label class="col-sm-2 control-label">年龄</label>
<div class="col-sm-10">
<input type="text" name="age" class="form-control" id="age_add_input" placeholder="请输入年龄">
</div>
</div>
</form>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">关闭</button>
<button type="button" class="btn btn-primary" id="user_save_btn">保存</button>
</div>
</div>
</div>
</div>
<!--修改用户弹出的模态框 -->
<div class="modal fade" id="userReviseModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
<div class="modal-dialog" role="document">
<div class="modal-content">
<div class="modal-header">
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span
aria-hidden="true">×</span></button>
<h4 class="modal-title" id="userReviseModalLabel">修改用户</h4>
</div>
<div class="modal-body">
<form class="form-horizontal">
<div class="form-group">
<label class="col-sm-2 control-label">姓名</label>
<div class="col-sm-10">
<input type="text" name="username" class="form-control" id="username_revise_input" placeholder="姓名是2-5位中文或6-16位英文和数字的组合">
<span class="help-block"></span>
</div>
</div>
<div class="form-group">
<label class="col-sm-2 control-label">性别</label>
<div class="col-sm-10">
<label class="radio-inline">
<input type="radio" name="sex" id="sex1_revise_input" value="男" checked="checked"> 男
</label>
<label class="radio-inline">
<input type="radio" name="sex" id="sex2_revise_input" value="女"> 女
</label>
</div>
</div>
<div class="form-group">
<label class="col-sm-2 control-label">城市</label>
<div class="col-sm-10">
<input type="text" name="city" class="form-control" id="city_revise_input" placeholder="城市">
<span class="help-block"></span>
</div>
</div>
<div class="form-group">
<label class="col-sm-2 control-label">年龄</label>
<div class="col-sm-10">
<input type="text" name="age" class="form-control" id="age_revise_input" placeholder="年龄">
</div>
</div>
</form>
</div>
<div class="modal-footer">
<button type="button" class="btn btn-default" data-dismiss="modal">关闭</button>
<button type="button" class="btn btn-primary" id="user_revise_btn">修改</button>
</div>
</div>
</div>
</div>
</body>
</html>
index.js
$(function () {
var totalRecord,currentPage;
//1.显示所有数据
to_page(1);
//2.添加用户
addUser();
//3.修改用户
reviseUser();
//4.单个删除用户
deleteUser();
/**
* 1.显示所用用户
* @param pn
*/
function to_page(pn) {
$.ajax({
url: "/user/getAllUser",
data:"pn="+pn,
type: "GET",
dataType: "json",
contentType:"application/json;charset=UTF-8",
success: function (data) {
//alert(data.msg);
//解析并显示员工数据表
build_users_table(data)
//2.解析并显示分页信息
build_page_info(data);
//3.解析并显示分页条数据
build_page_nav(data);
}
})
}
/**
* 解析并显示员工数据表
* @param data
*/
function build_users_table(data) {
//清空table表格
$("#users_table tbody").empty();
var users = data.pageInfo.list;
//遍历元素
$.each(users, function (index, item) {
var checkBox=$("<td><input type='checkbox' class='check_item'/></td>");
var id = $("<td></td>").append(item.id);
var username = $("<td></td>").append(item.username);
var sex = $("<td></td>").append(item.sex);
var city = $("<td></td>").append(item.city);
var age = $("<td></td>").append(item.age);
var button1 = $("<button></button>").addClass("btn btn-primary btn-sm edit_btn").append($("<span></span>").addClass("glyphicon glyphicon-pencil").attr("aria-hidden", true)).append("编辑");
var button2 = $("<button></button>").addClass("tn btn-danger btn-sm delete_btn").append($("<span></span>").addClass("glyphicon glyphicon-trash").attr("aria-hidden", true)).append("删除");
var td_btn = $("<td></td>").append(button1).append(" ").append(button2);
$("<tr></tr>").append(checkBox).append(id).append(username).append(sex).append(city).append(age)
.append(td_btn ).appendTo("#users_table tbody");
})
}
/**
* 解析显示分页信息
* @param data
*/
function build_page_info(data) {
$("#page_info_area").empty();
$("#page_info_area").append("当前" + data.pageInfo.pageNum + "页,总共" + data.pageInfo.pages +
"页,总共" + data.pageInfo.total + "条记录");
totalRecord = data.pageInfo.total;
currentPage=data.pageInfo.pageNum;
}
/**
* 解析显示分页导航条
* @param data
*/
function build_page_nav(data) {
$("#page_nav_area").empty();
var ul = $("<ul></ul>>").addClass("pagination");
var firstPageLi = $("<li></li>").append($("<a></a>").append("首页").attr("href", "#"));
var prePageLi = $("<li></li>").append($("<a></a>").append("«").attr("href", "#"));
var nextPageLi = $("<li></li>").append($("<a></a>").append("»").attr("href", "#"));
var lastPageLi = $("<li></li>").append($("<a></a>").append("末页").attr("href", "#"));
//如果没有前一页,前一页和首页就不能点
if (data.pageInfo.hasPreviousPage == false) {
firstPageLi.addClass("disabled");
prePageLi.addClass("disabled");
} else {
//首页
firstPageLi.click(function () {
to_page(1);
});
prePageLi.click(function () {
to_page(data.pageInfo.pageNum - 1);
});
}
if (data.pageInfo.hasNextPage == false) {
nextPageLi.addClass("disabled");
lastPageLi.addClass("disabled");
} else {
//构建点击事件
nextPageLi.click(function () {
to_page(data.pageInfo.pageNum + 1);
});
lastPageLi.click(function () {
to_page(data.pageInfo.lastPage);
})
}
//添加首页和前一页
ul.append(firstPageLi).append(prePageLi);
//遍历添加页码
$.each(data.pageInfo.navigatepageNums, function (index, item) {
var numLi = $("<li></li>").append($("<a></a>").append(item).attr("href", "#"));
//如果是当前选中页面,添加active标识
if (data.pageInfo.pageNum == item) {
numLi.addClass("active");
}
//给每个页码添加点击就跳转
numLi.click(function () {
to_page(item);
});
ul.append(numLi);
});
//添加下一页和末页
ul.append(nextPageLi).append(lastPageLi);
var navEle = $("<nav></nav>").append(ul);
navEle.appendTo("#page_nav_area");
}
/**
* 2.实现新增功能
* @returns {boolean}
*/
function addUser() {
//为新增按钮添加modal
$("#user_add_modal_btn").click(function () {
//清除表单数据
$("#userAddModal form")[0].reset();
$("#userAddModal").modal({
backdrop: "static"
})
});
/**
* 2.保存用户信息
* 校验该用户是否存在,如果存在就不能添加该用户
*/
$("#username_add_input").change(function () {
var username = $("#username_add_input").val();
//发送Ajax请求校验姓名是否可用
$.ajax({
url: "/user/checkUser/"+username,
//data: "username=" + username,
type: "POST",
success: function (data) {
//alert(data.pageInfo.username);
//表示成功,用户名可用
if (data.code == 200 && data.pageInfo != null) {
alert("用户名**"+ data.pageInfo.username +"**已经存在");
$("#user_save_btn").attr("ajax-va", "error");
} else if (data.code == 200 && data.pageInfo == null) {
//为保存按钮添加属性
$("#user_save_btn").attr("ajax-va", "success");
}
}
})
});
/**
* 保存用户信息
*/
$("#user_save_btn").click(function () {
var username = $("#username_add_input").val();
var sex =$("input[name=sex]:checked").val();
var city =$("#city_add_input").val();
var age =$("#age_add_input").val();
//2.发送ajax请求保存员工
$.ajax({
url: "/user/saveUser",
type: "POST",
data: JSON.stringify({username:username,sex:sex,city:city,age:age}),
dataType:"json",
contentType:"application/json;charset=UTF-8",
success: function (data) {
if (data.code == 200){
//1.关闭modal框
$("#userAddModal").modal('hide');
//2.来到最后一页,显示刚才保存的数据
to_page(totalRecord);
}
}
});
});
}
/**
* 3.修改用户
*/
function reviseUser() {
//为编辑按钮绑定弹出modal框事件
//1.因为在按钮创建之前就绑定了click,所以用普通click方法绑定不上
$(document).on("click",".edit_btn",function () {
//清除表单数据
$("#userReviseModal form")[0].reset();
$("#username_revise_input").next("span").text("");
//修改框中用户信息回显
var id= $(this).parent().parent().children("td").eq(1).text();
//将id的值传递给修改按钮的属性,方便发送Ajax请求
$("#user_revise_btn").attr("edit-id",id);
var username=$(this).parent().parent().children("td").eq(2).text();
var sex=$(this).parent().parent().children("td").eq(3).text();
var city=$(this).parent().parent().children("td").eq(4).text();
var age=$(this).parent().parent().children("td").eq(5).text();
$("#username_revise_input").val(username);
$("#userReviseModal input[name=sex]").val([sex]);
$("#city_revise_input").val(city);
$("#age_revise_input").val(age);
$("#userReviseModal").modal({
backdrop: "static"
})
});
//2.为模态框中的修改按钮绑定事件,更新员工信息
$("#user_revise_btn").click(function () {
//2.验证通过后发送ajax请求保存更新的员工数据
//如果要直接发送PUT之类的请求
//在WEB.xml配置HttpPutFormContentFilter过滤器即可
//这里未使用如上所述方法
var id = $(this).attr("edit-id");
var username = $("#username_revise_input").val();
var sex = $("#userReviseModal input[name=sex]").val();
var city =$("#city_revise_input").val();
var age =$("#age_revise_input").val();
$.ajax({
url:"/user/updateUser",
type:"POST",
data:JSON.stringify({id:id,username:username,sex:sex,city:city,age:age}),
dataType:"json",
contentType:"application/json;charset=UTF-8",
success:function () {
//1.关闭modal框
$("#userReviseModal").modal('hide');
//2.来到当前页,显示刚才保存的数据
to_page(currentPage);
}
})
})
}
/**
* 4.删除用户
*/
function deleteUser() {
$(document).on("click",".delete_btn",function () {
//1.弹出确认删除对话框
var username=$(this).parents("tr").find("td:eq(2)").text();
var id=$(this).parents("tr").find("td:eq(1)").text();
if(confirm("确认删除【"+username+"】吗?")){
// alert(id);
//确认,发送ajax请求删除
$.ajax({
url:"/user/deleteUser/"+id,
type:"DELETE",
success:function (data) {
alert(data.msg);
to_page(currentPage);
}
})
}
})
}
});
本文参考:https://www.jianshu.com/p/d76316b48e3e
如有疑问可联系