springMVC+spring+hibernate增删改查实例

1、导包





2、配置文件

web.xml

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

<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<!-- spring配置 -->

<context-param>

<param-name>contextConfigLocation</param-name>

<param-value>classpath*:config/spring-*.xml</param-value>

</context-param>

<!-- 配置spring启动listener入口 -->

<listener>

<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>

</listener>

<!-- 配置springMVC启动DispatcherServlete入口 -->

<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:config/spring-annotation.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>

<!-- 乱码过滤器配置 -->

<filter>

<filter-name>CharacterEncodingFilter</filter-name>

<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>

<init-param>

<param-name>encoding</param-name>

<param-value>utf-8</param-value>

</init-param>

</filter>

<filter-mapping>

<filter-name>CharacterEncodingFilter</filter-name>

<url-pattern>/*</url-pattern>

</filter-mapping>

<!-- 配置Session -->

<filter>

<filter-name>openSession</filter-name>

<filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class>

</filter>

<filter-mapping>

<filter-name>openSession</filter-name>

<url-pattern>/*</url-pattern>

</filter-mapping>

</web-app>

spring-annotation.xml

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

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"

xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

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.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<context:component-scan base-package="com.xdy" />

<mvc:annotation-driven />

<!-- 静态资源访问 -->

<mvc:resources location="/img/" mapping="/img/**" />

<mvc:resources location="/js/" mapping="/js/**" />

<!-- 配置解析器 -->

<bean id="viewResolver"

class="org.springframework.web.servlet.view.InternalResourceViewResolver">

<property name="prefix" value="/" />

<property name="suffix" value=".jsp" />

</bean>

<!-- 支持上传文件 -->

<bean id="multipartResolver"

class="org.springframework.web.multipart.commons.CommonsMultipartResolver">

<property name="defaultEncoding" value="utf-8"></property>

<property name="maxUploadSize" value="10485760000"></property>

<property name="maxInMemorySize" value="40960"></property>

</bean>

</beans>

spring-hibernate.xml

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

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"

xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

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.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<!-- 配置数据源 -->

<bean id="dataSource"

class="org.springframework.jdbc.datasource.DriverManagerDataSource">

<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>

<property name="url" value="jdbc:mysql://localhost:3306/springmvc"></property>

<property name="username" value="root"></property>

<property name="password" value="root"></property>

</bean>

<!-- 配置SessionFactory -->

<bean id="sessionFactory"

class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">

<property name="dataSource" ref="dataSource" />

<property name="hibernateProperties">

<props>

<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>

<prop key="hibernate.hbm2ddl.auto">update</prop>

<prop key="hibernate.show_sql">true</prop>

<prop key="hibernate.format_sql">true</prop>

</props>

</property>

<!-- 注解扫描的包 -->

<property name="annotatedClasses">

<list>

<value>com.xdy.entity.User</value>

</list>

</property>

</bean>

<!-- 配置一个事务管理器 -->

<bean id="transactionManager"

class="org.springframework.orm.hibernate4.HibernateTransactionManager">

<property name="sessionFactory" ref="sessionFactory" />

</bean>

<!-- 配置事务，使用代理的方式 -->

<bean id="transactionProxy"

class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean" lazy-init="true"

abstract="true">

<property name="transactionManager" ref="transactionManager"></property>

<property name="transactionAttributes">

<props>

<prop key="add*">PROPAGATION_REQUIRED,-Exception</prop>

<prop key="insert*">PROPAGATION_REQUIRED,-Exception</prop>

<prop key="modify*">PROPAGATION_REQUIRED,-Exception</prop>

<prop key="update*">PROPAGATION_REQUIRED,-Exception</prop>

<prop key="del*">PROPAGATION_REQUIRED</prop>

<prop key="get*">PROPAGATION_NEVER</prop>

</props>

</property>

</bean>

</beans>



spring-core.xml

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

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"

xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

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.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<!-- 导入spring配置 -->

<import

resource="classpath*:com/xdy/spring/springAnnotation-import.xml" />

</beans>

springAnnotation-import.xml

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

<beans xmlns="http://www.springframework.org/schema/beans"

xmlns:context="http://www.springframework.org/schema/context" xmlns:p="http://www.springframework.org/schema/p"

xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

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.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd">
<context:component-scan base-package="com.xdy" />

<mvc:annotation-driven />

<!-- 静态资源访问 -->

<mvc:resources location="/img/" mapping="/img/**" />

<mvc:resources location="/js/" mapping="/js/**" />

<!-- 配置解析器 -->

<bean id="viewResolver"

class="org.springframework.web.servlet.view.InternalResourceViewResolver">

<property name="prefix" value="/" />

<property name="suffix" value=".jsp" />

</bean>

<!-- 支持上传文件 -->

<bean id="multipartResolver"

class="org.springframework.web.multipart.commons.CommonsMultipartResolver">

<property name="defaultEncoding" value="utf-8"></property>

<property name="maxUploadSize" value="10485760000"></property>

<property name="maxInMemorySize" value="40960"></property>

</bean>

</beans>

3、后台代码

User.java

package com.xdy.entity;

import javax.persistence.Column;

import javax.persistence.Entity;

import javax.persistence.GeneratedValue;

import javax.persistence.Id;

import javax.persistence.Table;

import org.hibernate.annotations.GenericGenerator;

@Entity

@Table(name="t_user")

public class User {

@Id

@GeneratedValue(generator="system-uuid")

@GenericGenerator(name = "system-uuid",strategy="uuid")

@Column(length=32)

private String id;

@Column(length=32)

private String name;

@Column(length=32)

private Integer age;

public String getId() {

return id;

}

public void setId(String id) {

this.id = id;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public Integer getAge() {

return age;

}

public void setAge(Integer age) {

this.age = age;

}

}

UserDao.java

package com.xdy.dao;

import java.util.List;

import com.xdy.entity.User;

public interface UserDao {

public void addUser(User user);

public boolean deleteUser(String id);

public boolean modifyUser(User user);

public List<User> getAll();

public User getUser(String id);

}

UserDaoImpl.java

package com.xdy.dao.impl;

import java.util.List;

import org.hibernate.Query;

import org.hibernate.SessionFactory;

import com.xdy.dao.UserDao;

import com.xdy.entity.User;

public class UserDaoImpl implements UserDao {

private SessionFactory sessionFactory;

public void setSessionFactory(SessionFactory sessionFactory) {

this.sessionFactory = sessionFactory;

}

@Override

public void addUser(User user) {

sessionFactory.getCurrentSession().save(user);

}

@Override

public boolean deleteUser(String id) {

String hql = "delete from User where id=?";

Query query = sessionFactory.getCurrentSession().createQuery(hql);

query.setString(0, id);

return query.executeUpdate()>0;

}

@Override

public List<User> getAll() {

String hql = "from User";

Query query = sessionFactory.getCurrentSession().createQuery(hql);

return query.list();

}

@Override

public User getUser(String id) {

String hql = "from User where id=?";

Query query = sessionFactory.getCurrentSession().createQuery(hql);

query.setString(0, id);

return (User) query.uniqueResult();

}

@Override

public boolean modifyUser(User user) {

String hql = "update User set name=?,age=? where id=?";

Query query = sessionFactory.getCurrentSession().createQuery(hql);

query.setString(0, user.getName());

query.setInteger(1, user.getAge());

query.setString(2, user.getId());

return query.executeUpdate()>0;

}

}

UserService.java

package com.xdy.service;

import java.util.List;

import com.xdy.entity.User;

public interface UserService {

public void addUser(User user);

public List<User> getAll();

public boolean deleteUser(String id);

public User getUser(String id);

public boolean modifyUser(User user);

}

UserServiceImpl.java

package com.xdy.service.impl;

import java.util.List;

import com.xdy.dao.UserDao;

import com.xdy.entity.User;

import com.xdy.service.UserService;

public class UserServiceImpl implements UserService {

private UserDao userDao;

public void setUserDao(UserDao userDao) {

this.userDao = userDao;

}

@Override

public void addUser(User user) {

userDao.addUser(user);

}

@Override

public List<User> getAll() {

return userDao.getAll();

}

@Override

public boolean deleteUser(String id) {

return userDao.deleteUser(id);

}

@Override

public User getUser(String id) {

return userDao.getUser(id);

}

@Override

public boolean modifyUser(User user) {

return userDao.modifyUser(user);

}

}

UserController.java

package com.xdy.controller;

import java.io.IOException;

import java.io.PrintWriter;

import java.util.List;

import javax.annotation.Resource;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import com.xdy.entity.User;

import com.xdy.service.UserService;

@Controller

@RequestMapping("/user")

public class UserController {

@Resource(name="userService")

private UserService userService;

@RequestMapping("/addUser")

public String addUser(User user){

userService.addUser(user);

return "redirect:/user/getAll";

}

@RequestMapping("/toAddUser")

public String toAddUser(){

return "/addUser";

}

@RequestMapping("/getAll")

public String getAll(HttpServletRequest request){

List<User> users = userService.getAll();

request.setAttribute("users", users);

return "/userList";

}

@RequestMapping("/deleteUser")

public void deleteUser(String id,HttpServletResponse response){

String result = "{\"result\":\"error\"}";

if(userService.deleteUser(id)){

result = "{\"result\":\"success\"}";

}

response.setContentType("application/json");

try {

PrintWriter out = response.getWriter();

out.write(result);

} catch (IOException e) {

e.printStackTrace();

}

}

@RequestMapping("/getUser")

public String getUser(String id,HttpServletRequest request){

User user = userService.getUser(id);

request.setAttribute("user", user);

return "/editUser";

}

@RequestMapping("/modifyUser")

public String modifyUser(User user){

if(userService.modifyUser(user)){

return "redirect:/user/getAll";

}else{

return "/error";

}

}

}



4、前端页面

addUser.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head>

<title>添加用户</title>

<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">

<meta http-equiv="description" content="This is my page">

</head>

<body>

<form action="/springMvc11/user/addUser" method="post">

用户名：<input type="text" name="name"><br/>

年龄：<input type="text" name="age"><br/>

<input type="submit" value="添加用户">

</form>

</body>

</html>

editUser.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head>

<title>修改用户</title>

<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">

<meta http-equiv="description" content="This is my page">

</head>

<body>

<form action="/springMvc11/user/modifyUser" method="post">

<input type="hidden" name="id" value="${user.id }">

用户名：<input type="text" name="name" value="${user.name }"><br/>

年龄：<input type="text" name="age" value="${user.age }"><br/>

<input type="submit" value="修改">

</form>

</body>

</html>

userList.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>

<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

<head>

<title>用户列表</title>

<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">

<meta http-equiv="description" content="This is my page">

<script type="text/javascript" src="../js/jquery-1.4.3.js"></script>

<script type="text/javascript">

function deleteUser(id){

$.get("/springMvc11/user/deleteUser?id=" + id,function(data){

if("success" == data.result){

alert("删除成功!");

window.location.reload();

}else{

alert("删除失败!")

}

});

}

</script>

</head>

<body>

<table border="1">

<tbody>

<tr>

<th>名字</th>

<th>年龄</th>

<th>操作</th>

</tr>

<c:forEach items="${users}" var="u">

<tr>

<td>${u.name }</td>

<td>${u.age }</td>

<td>

<a href="/springMvc11/user/getUser?id=${u.id }">更新</a>

<a href="javascript:deleteUser('${u.id }');">删除</a>

</td>

</tr>

</c:forEach>

</tbody>

</table>

</body>

</html>