SSM框架快速搭建
1. 新建Maven项目 ssm
2. pom.xml
<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.java</groupId>
<artifactId>ssm</artifactId>
<version>1.0.0-SNAPSHOT</version>
<packaging>war</packaging>
<name>${project.artifactId}</name>
<url>http://maven.apache.org</url> <!-- 配置版本常量 -->
<properties>
<jdk.version>1.8</jdk.version>
<spring.version>3.2.18.RELEASE</spring.version>
<mybatis.version>3.4.6</mybatis.version>
</properties> <dependencies> <!-- Spring -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-jdbc</artifactId>
<version>${spring.version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>2.9.7</version>
</dependency> <!-- MyBatis -->
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis</artifactId>
<version>${mybatis.version}</version>
</dependency>
<dependency>
<groupId>org.mybatis</groupId>
<artifactId>mybatis-spring</artifactId>
<version>1.3.2</version>
</dependency> <!-- 连接池 -->
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid</artifactId>
<version>1.1.11</version>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.47</version>
</dependency> <dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjweaver</artifactId>
<version>1.8.13</version>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<version>4.0.1</version>
<scope>provided</scope>
</dependency> <dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
</dependency>
<dependency>
<groupId>commons-fileupload</groupId>
<artifactId>commons-fileupload</artifactId>
<version>1.3.3</version>
</dependency> <dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.49</version>
</dependency> </dependencies> <build>
<finalName>${project.artifactId}</finalName>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.0</version>
<configuration>
<source>${jdk.version}</source>
<target>${jdk.version}</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
</plugins>
</build> </project>
3. web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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_2_5.xsd"
version="2.5"> <display-name>ssm</display-name>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list> <context-param>
<param-name>webAppRootKey</param-name>
<param-value>ssm</param-value>
</context-param> <listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext.xml</param-value>
</context-param> <servlet>
<servlet-name>ssm</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:springmvc-servlet.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet> <servlet-mapping>
<servlet-name>ssm</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping> <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>
<init-param>
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>characterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping> <listener>
<listener-class>org.springframework.web.util.Log4jConfigListener</listener-class>
</listener>
<context-param>
<param-name>log4jConfigLocation</param-name>
<param-value>classpath:log4j.properties</param-value>
</context-param> <session-config>
<session-timeout>30</session-timeout>
</session-config>
</web-app>
4. /ssm/src/main/resources 目录下文件
5. 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"
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/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"> <context:property-placeholder location="classpath:param.properties" /> <!-- 配置连接池 -->
<bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource" init-method="init" destroy-method="close">
<property name="url" value="${jdbc.url}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<property name="driverClassName" value="${jdbc.driver}" />
<property name="initialSize" value="5" />
<property name="maxActive" value="20" />
</bean> <!-- 配置数据库会话工厂 -->
<bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="configLocation" value="classpath:MyBatisConfig.xml" />
</bean> <!-- 配置事务管理器 -->
<bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
<property name="dataSource" ref="dataSource" />
</bean> <!-- 配置通知 -->
<tx:advice id="txAdvice" transaction-manager="transactionManager">
<tx:attributes>
<tx:method name="get*" read-only="true" />
<tx:method name="find*" read-only="true" />
<tx:method name="query*" read-only="true" />
<tx:method name="add*" propagation="REQUIRED" read-only="false" rollback-for="Exception" />
<tx:method name="save*" propagation="REQUIRED" read-only="false" rollback-for="Exception" />
<tx:method name="insert*" propagation="REQUIRED" read-only="false" rollback-for="Exception" />
<tx:method name="update*" propagation="REQUIRED" read-only="false" rollback-for="Exception" />
<tx:method name="delete*" propagation="REQUIRED" read-only="false" rollback-for="Exception" />
<tx:method name="*" propagation="REQUIRES_NEW" read-only="false" rollback-for="Exception" />
</tx:attributes>
</tx:advice> <!-- 将事务作用到service包下所有类的所有方法 -->
<aop:config>
<aop:pointcut id="pointcut" expression="execution(* com.java.service..*.*(..))" />
<aop:advisor pointcut-ref="pointcut" advice-ref="txAdvice" />
</aop:config> <!-- 注解方式管理事务,需要在类上使用注解@Transactional -->
<tx:annotation-driven transaction-manager="transactionManager" /> <context:component-scan base-package="com.java.dao.impl" />
<context:component-scan base-package="com.java.service.impl" />
<context:annotation-config /> </beans>
6. springmvc-servlet.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"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
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/mvc
http://www.springframework.org/schema/mvc/spring-mvc.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"> <bean id="internalResourceViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<!-- 前缀 -->
<property name="prefix" value="/WEB-INF/views/" />
<!-- 后缀 -->
<property name="suffix" value=".jsp" />
</bean> <!-- 上传文件 -->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="maxUploadSize" value="4294967296"></property>
</bean> <!-- 配置资源 -->
<mvc:resources location="/WEB-INF/assets/" mapping="/assets/**"></mvc:resources> <mvc:annotation-driven>
<mvc:message-converters register-defaults="true">
<bean class="org.springframework.http.converter.StringHttpMessageConverter">
<constructor-arg value="UTF-8" />
</bean>
</mvc:message-converters>
</mvc:annotation-driven> <context:component-scan base-package="com.java.controller" />
<context:annotation-config /> </beans>
7. param.properties
jdbc.driver=com.mysql.jdbc.Driver
jdbc.url=jdbc:mysql://192.168.32.20:3306/ssm?useUnicode=true&characterEncoding=UTF-8
jdbc.username=root
jdbc.password=123456
8. log4j.properties
log4j.rootLogger= INFO, stdout
log4j.logger.INFO=INFO,logfile log4j.appender.stdout=org.apache.log4j.ConsoleAppender
log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss.SSS} [%5p] [%c] - %m%n log4j.appender.logfile=org.apache.log4j.DailyRollingFileAppender
log4j.appender.logfile.File=G:/Java/logs/ssm/LogFile.log
log4j.appender.logfile.DatePattern='_'yyyy-MM-dd'.log'
log4j.appender.logfile.Threshold=INFO
log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
log4j.appender.logfile.layout.ConversionPattern=%d{yyyy-MM-dd HH\:mm\:ss} [%5p] - %m%n
log4j.appender.logfile.Append=true
9. MyBatisConfig.xml
<?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> <typeAliases>
<!-- 定义单个pojo类别名 type:类的全路劲名称 alias:别名 -->
<!-- <typeAlias type="com.java.pojo.User" alias="user"/> --> <!-- 使用包扫描的方式批量定义别名 定义后别名等于类名,不区分大小写,但是建议按照java命名规则来,首字母小写,以后每个单词的首字母大写 -->
<package name="com.java.pojo" />
</typeAliases> <mappers>
<mapper resource="mybatis/User.xml" /> <!-- 使用class属性引入接口的全路径名称: 使用规则: 1. 接口的名称和映射文件名称除扩展名外要完全相同 2. 接口和映射文件要放在同一个目录下 -->
<!-- <mapper class="com.java.mapper.UserMapper"/> --> <!-- 使用包扫描的方式批量引入Mapper接口 使用规则: 1. 接口的名称和映射文件名称除扩展名外要完全相同 2. 接口和映射文件要放在同一个目录下 -->
<!-- <package name="com.java.mapper" /> -->
</mappers>
</configuration>
10. mybatis/User.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.java.dao.UserDao"> <!-- 配置数据库字段和实体类映射 -->
<resultMap id="userMap" type="com.java.pojo.User">
<id property="id" column="id" />
<result property="username" column="username" />
<result property="password" column="password" />
<result property="age" column="age" />
</resultMap> <!-- 检查登录 -->
<select id="checkLogin" parameterType="com.java.pojo.User" resultType="java.lang.Integer">
select 1 from user where username=#{username} and password=#{password}
</select> <!-- 查询用户列表 -->
<select id="findUserList" parameterType="com.java.pojo.User" resultType="com.java.pojo.User">
select id,username,password,age from user
</select> <!-- 新增用户 -->
<insert id="addUser" parameterType="com.java.pojo.User" >
<selectKey keyProperty="id" order="BEFORE" resultType="java.lang.String">
select replace(uuid(), '-', '') as id from dual
</selectKey>
insert into user(id,username,password,age) values(#{id},#{username},#{password},#{age});
</insert> <!-- 修改用户信息 -->
<update id="updateUser" parameterType="com.java.pojo.User" >
update user set username=#{username}, password=#{password}, age=#{age} where id=#{id}
</update> <!-- 根据id删除用户 -->
<delete id="deleteUser" parameterType="java.lang.String">
delete from user where id=#{id}
</delete> </mapper>
11. 创建数据库
DROP DATABASE IF EXISTS ssm;
CREATE DATABASE ssm;
USE ssm;
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user` (
`id` varchar(32) NOT NULL,
`username` varchar(32) NOT NULL,
`password` varchar(32) NOT NULL,
`age` int(3) DEFAULT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8; ;
12. User.java
package com.java.pojo;
public class User {
private String id;
private String username;
private String password;
private Integer age;
public String getId() {
return id;
}
public void setId(String 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 Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
@Override
public String toString() {
return "User [id=" + id + ", username=" + username + ", password=" + password + ", age=" + age + "]";
}
}
13. BaseDao.java
package com.java.dao; import java.util.List; import javax.annotation.Resource; import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.support.SqlSessionDaoSupport; public class BaseDao extends SqlSessionDaoSupport { @Resource
public void setSqlSessionFactory(SqlSessionFactory sqlSessionFactory) {
super.setSqlSessionFactory(sqlSessionFactory);
} public void insert(String statement, Object parameter) {
getSqlSession().insert(statement, parameter);
} public void update(String statement, Object parameter) {
getSqlSession().update(statement, parameter);
} public void delete(String statement, Object parameter) {
getSqlSession().delete(statement, parameter);
} public <T> T selectOne(String statement, Object parameter) {
return getSqlSession().selectOne(statement, parameter);
} public <T> List<T> selectList(String statement, Object parameter) {
return getSqlSession().selectList(statement, parameter);
} }
14. UserDao.java
package com.java.dao;
import java.util.List;
import com.java.pojo.User;
public interface UserDao {
Integer checkLogin(User user);
List<User> findUserList(User user);
void addUser(User user);
void updateUser(User user);
void deleteUser(User user);
}
15. UserDaoImpl.java
package com.java.dao.impl; import java.util.List; import org.springframework.stereotype.Repository; import com.java.dao.BaseDao;
import com.java.dao.UserDao;
import com.java.pojo.User; @Repository("userDao")
public class UserDaoImpl extends BaseDao implements UserDao { @Override
public Integer checkLogin(User user) {
return selectOne("com.java.dao.UserDao.checkLogin", user);
} @Override
public List<User> findUserList(User user) {
return selectList("com.java.dao.UserDao.findUserList", user);
} @Override
public void addUser(User user) {
insert("com.java.dao.UserDao.addUser", user);
} @Override
public void updateUser(User user) {
update("com.java.dao.UserDao.updateUser", user);
} @Override
public void deleteUser(User user) {
delete("com.java.dao.UserDao.deleteUser", user);
} }
16. UserService.java
package com.java.service;
import java.util.List;
import com.java.pojo.User;
public interface UserService {
Integer checkLogin(User user);
List<User> findUserList(User user);
void addOrUpdateUser(User user);
void deleteUser(User user);
}
17. UserServiceImpl.java
package com.java.service.impl; import java.util.List; import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service; import com.java.dao.UserDao;
import com.java.pojo.User;
import com.java.service.UserService; @Service("userService")
public class UserServiceImpl implements UserService { @Autowired
private UserDao userDao; @Override
public Integer checkLogin(User user) {
return userDao.checkLogin(user);
} @Override
public List<User> findUserList(User user) {
return userDao.findUserList(user);
} @Override
public void addOrUpdateUser(User user) {
if (null == user.getId() || user.getId().isEmpty()) {
userDao.addUser(user);
} else {
userDao.updateUser(user);
}
} @Override
public void deleteUser(User user) {
userDao.deleteUser(user);
} }
18. UserController.java
package com.java.controller; import java.util.List; import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
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.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody; import com.java.pojo.User;
import com.java.service.UserService; @Controller
@Scope("prototype")
@RequestMapping("/user")
public class UserController { private static final Log LOG = LogFactory.getLog("INFO"); @Autowired
private UserService userService; @RequestMapping("/login")
public String login(@ModelAttribute User user, Model model) {
LOG.info("Into login");
System.out.println(user); // 检查用户名密码是否存在
Integer result = userService.checkLogin(user);
System.out.println("result: " + result);
LOG.info("result: " + result); // 绑定用户名密码输出返回
if (null == result) {
model.addAttribute("username", user.getUsername());
model.addAttribute("password", user.getPassword());
return "user/Login";
} LOG.info("Exit login");
return "user/Main";
} @ResponseBody
@RequestMapping("/findUserList")
public List<User> findUserList(@ModelAttribute User user) {
LOG.info("Into findUserList");
System.out.println(user); List<User> list = userService.findUserList(user); LOG.info("Exit findUserList");
return list;
} @RequestMapping("/toAddOrUpdateUser")
public String toAddOrUpdateUser(@ModelAttribute User user, Model model) {
LOG.info("Into toAddOrUpdateUser");
System.out.println("user: " + user); // 输出id，根据id是否为空，判断是新增还是修改
model.addAttribute("user", user);
LOG.info("Exit toAddOrUpdateUser");
return "user/AddOrUpdateUser";
} @RequestMapping("/addOrUpdateUser")
public String addOrUpdateUser(@ModelAttribute User user) {
LOG.info("Into addOrUpdateUser");
System.out.println("user: " + user); userService.addOrUpdateUser(user); System.out.println(user);
LOG.info("Exit addOrUpdateUser");
return "user/Main";
} @ResponseBody
@RequestMapping("/deleteUser")
public String deleteUser(@ModelAttribute User user) {
System.out.println(user);
LOG.info("Into deleteUser"); userService.deleteUser(user); LOG.info("Exit deleteUser");
return "删除成功！";
} }
19. 页面文件结构
index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/";
%> <!DOCTYPE html>
<html>
<head>
<base href="<%=basePath%>"> <title>登录</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<script type="text/javascript">
function addUser() {
location.href = "user/toAddOrUpdateUser";
}
</script>
</head> <body>
<form action="user/login" method="post">
<table>
<tr>
<td>用户名：</td>
<td><input name="username" /><br /></td>
</tr>
<tr>
<td>密码：</td>
<td><input type="password" name="password" /><br /></td>
</tr>
<tr>
<td><input type="submit" value="登录" /></td>
<td><input type="button" value="注册" onclick="addUser();" /></td>
</tr>
</table> </form> </body> </html>
Login.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/";
%> <!DOCTYPE html>
<html>
<head>
<base href="<%=basePath%>"> <title>登录</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<script type="text/javascript">
function addUser() {
location.href = "user/toAddOrUpdateUser";
}
</script>
</head> <body>
<form action="user/login" method="post">
<table>
<tr>
<td>用户名：</td>
<td><input name="username" value="${username}" /><br /></td>
</tr>
<tr>
<td>密码：</td>
<td><input type="password" name="password" value="${password}" /><br /></td>
</tr>
<tr>
<td><input type="submit" value="登录" /></td>
<td><input type="button" value="注册" onclick="addUser();" /></td>
</tr>
</table> </form> </body> </html>
Main.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/";
%> <!DOCTYPE html>
<html>
<head>
<base href="<%=basePath%>"> <title>主页</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
<script src="assets/js/jquery-1.11.3.js"></script>
<style type="text/css">
td, th {
border: 1px solid #AAA;
}
</style>
<script type="text/jscript">
$(function() {
queryUserList();
}); function queryUserList() {
$.post("user/findUserList", {id: 1}, function(userList) {
/* var userList = eval("(" + userList + ")"); */
var line = null;
$("#list").empty();
for(var i in userList) {
line = tr(td(userList[i].id) + td(userList[i].username) + td(userList[i].password) + td(userList[i].age) + td(addBtn() + delBtn()));
$("#list").append(line);
}
});
} function tr(text) {
return "<tr>" + text + "</tr>";
} function td(text) {
if(!text) {
text = "";
}
return "<td>" + text + "</td>";
} function addBtn() {
return "<button onClick='update(this);'>修改</button>";
} function delBtn() {
return "<button onClick='deleteUser(this);'>删除</button>";
} function update(obj) {
var row = getRow(obj); var user = {
id: row.eq(0).text(),
username: row.eq(1).text(),
password: row.eq(2).text(),
age: row.eq(3).text()
} var form = document.createElement("form");
form.action = "user/toAddOrUpdateUser";
form.method = "post"; var input = null;
for(var key in user) {
input = document.createElement("input"); input.type = "hidden";
input.name = key;
input.value = user[key];
form.appendChild(input)
}
document.body.appendChild(form);
form.submit(); } function deleteUser(obj) {
var row = getRow(obj); var id = row.eq(0).text();
$.post("user/deleteUser", {id: id}, function(data) {
alert(data);
queryUserList();
});
} function getRow(obj) {
return $(obj).parent().parent().children();
}
</script>
</head> <body>
<button onClick="location.href='user/toAddOrUpdateUser'">新增</button>
<div>
<table style="border-collapse: collapse;width: 800px;">
<thead>
<tr>
<th>ID</th>
<th>用户名</th>
<th>密码</th>
<th>年龄</th>
<th>操作</th>
</tr>
</thead>
<tbody id="list">
</tbody>
</table>
</div> </body> </html>
AddOrUpdateUser.jsp
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/";
%> <!DOCTYPE html>
<html>
<head>
<base href="<%=basePath%>"> <title>新增用户</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
</head> <body>
<form action="user/addOrUpdateUser" method="post">
<input name="id" value="${user.id}" type="hidden"/>
<table>
<tr>
<td>用户名：</td>
<td><input type="text" name="username" value="${user.username}" /><br /></td>
</tr>
<tr>
<td>密码：</td>
<td><input type="password" name="password" value="${user.password}" /><br /></td>
</tr>
<tr>
<td>年龄：</td>
<td><input type="text" name="age" value="${user.age}" /><br /></td>
</tr>
<tr>
<td colspan="2"><input type="submit" value="提交" /></td>
</tr>
</table> </form> </body> </html>
注意：
jquery-1.11.3.js 请自行下载，配置到Main.jsp文件中
https://code.jquery.com/jquery-1.11.3.js
https://code.jquery.com/jquery-1.11.3.min.js
配置完成！
.
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