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
- IDE：IDEA
- 数据库：mysql
- jdk:1.8
- tomcat:9
- 后端：springmvc，mybatis
- 前端：bootstrap
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>
<?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>
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 + '}'; } } 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> 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); } } 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(); } } 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
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