Spring MVC+Hibernate+Spring集成小事例

<?xml version="1.0" encoding="UTF-8"?><web-app version="3.0" 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_3_0.xsd">  <display-name></display-name>  <!-- 配置上下文参数 -->   <context-param>  <param-name>contextConfigLocation</param-name>  <param-value>classpath:ac*.xml</param-value> </context-param>  <!--  配置监听器 -->   <listener>  <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener>  <servlet>     <!-- 第一个首先调用的前端控制器，注意与WEB-INFO下servlet的xml相对应 -->    <servlet-name>qin</servlet-name>      <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>      <load-on-startup>1</load-on-startup>  </servlet>  <servlet-mapping>      <servlet-name>qin</servlet-name>      <url-pattern>/</url-pattern>  </servlet-mapping> <servlet>      <servlet-name>forwarding</servlet-name>      <servlet-class>com.qin.sanxian.ForwardServlet</servlet-class>  </servlet>  <!-- 处理post提交的乱码解决 --><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>    <!-- 配置Session -->    <filter>  <filter-name>osiv</filter-name>  <filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class> </filter> <filter-mapping> <filter-name>osiv</filter-name> <url-pattern>/*</url-pattern> </filter-mapping><filter-mapping>      <filter-name>CharacterEncodingFilter</filter-name>      <url-pattern>/*</url-pattern>  </filter-mapping>   <welcome-file-list>    <welcome-file>index.jsp</welcome-file>  </welcome-file-list></web-app>

<?xml version="1.0" encoding="UTF-8"?><beans default-autowire="byName" xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd  http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd http://www.springframework.org/schema/aop  http://www.springframework.org/schema/aop/spring-aop-3.0.xsd"><!-- 配置数据源 --><bean id="dataSource"><property name="driverClassName" value="com.mysql.jdbc.Driver"></property><property name="url" value="jdbc:mysql://localhost:3306/test"></property><property name="username" value="root"></property><property name="password" value="ninemax"></property></bean><bean id="sessionFactory"/></property><property name="hibernateProperties"><props><prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop></props></property><property name="mappingResources"><list><value>entity/Country.hbm.xml</value><value>entity/Person.hbm.xml</value></list></property></bean><!-- 配置hibernate事务管理器 --><bean id="tx"transaction-manager="tx"><tx:attributes><tx:method name="*" propagation="REQUIRED" /><tx:method name="get*" propagation="SUPPORTS" /><tx:method name="find*" read-only="true" /></tx:attributes></tx:advice><!-- 定义AOP切面 --><aop:config><aop:pointcut expression="execution(* commons.*.*(..))"id="pc" /><aop:advisor advice-ref="txAdvice" pointcut-ref="pc" /></aop:config><!-- 注入父类 --><bean  name="basedao"  abstract="true"> </bean></beans>

<?xml version="1.0" encoding="UTF-8"?><beans default-autowire="byName" xmlns="http://www.springframework.org/schema/beans"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop"xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd  http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd http://www.springframework.org/schema/aop  http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">          <bean  id="personDao"    parent="basedao"></bean>      <bean id="countryDao"   parent="basedao"></bean>   </beans>

package controller;import java.util.ArrayList;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.RequestBody;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RequestMethod;import org.springframework.web.bind.annotation.ResponseBody; import com.google.gson.Gson; import dao.CountryDao;import dao.PersonDao;import entity.Country;import entity.Person;/** * @author 秦东亮 * 技术群:324714439 *  *  * */@Controllerpublic class PersonController { @Resource(name="personDao")  private PersonDao personDao;  public PersonDao getPersonDao() {return personDao;} public void setPersonDao(PersonDao personDao) {this.personDao = personDao;}@Resource(name="countryDao")private CountryDao countryDao; public CountryDao getCountryDao() {return countryDao;}public void setCountryDao(CountryDao countryDao) {this.countryDao = countryDao;}/** * 输出所有的用户信息 *  * **/@RequestMapping( value="/showAll")public String showAll(HttpServletRequest request)throws Exception{  request.setAttribute("plist", personDao.find(" from Person "));  return "showAll"; }/** * 输出所有的国家信息 *  * **/@RequestMapping( value="/add")public String add(HttpServletRequest request)throws Exception{  request.setAttribute("clist", countryDao.find(" from Country "));  return "adda"; } /**  * 删除的方法  * */@RequestMapping( value="/delete")public String delete(HttpServletRequest request)throws Exception{  int id=Integer.parseInt(request.getParameter("id")); personDao.delete(personDao.get(id));  return "redirect:/showAll"; } /**  * 删除的方法  * request域的写法  * */@RequestMapping( value="/update")public String update(HttpServletRequest request)throws Exception{  int id=Integer.parseInt(request.getParameter("id"));   request.setAttribute("p", personDao.get(id)); request.setAttribute("clist", countryDao.find(" from Country "));  return "update"; } /**  * 更新的操作  * 封装成实体类的写法  * */@RequestMapping( value="/sup",method=RequestMethod.POST)public String sup(Person person,HttpServletRequest request){ try{personDao.update(person);// System.out.println("111");//System.out.println(person.getName());//System.out.println(person.getCountry().getId());//System.out.println(request.getParameter("name")); }catch (Exception e) { e.printStackTrace();} return "redirect:/showAll"; }/** * 保存一条数据 * 没有使用实体类自动封装的功能 *  * **/@RequestMapping( value="/save",method=RequestMethod.POST) public void  save(HttpServletRequest request,HttpServletResponse response)throws Exception{  //   personDao.save(person);//保存成功   Person person=new Person();  person.setAge(Integer.parseInt(request.getParameter("age")));  person.setName(request.getParameter("name"));  Country c=new Country();  c.setId(Integer.parseInt(request.getParameter("cid")));  person.setCountry(c);  personDao.save(person); //System.out.println("cid :  "+request.getParameter("cid"));    Gson g=new Gson();//    List<String> list=new ArrayList<String>();//    list.add("A");//    list.add("B");//    list.add("C");//    list.add("D");    response.setCharacterEncoding("UTF-8");    response.setContentType("application/json;charset=utf-8");    //response.getWriter().write(g.toJson(list));     response.getWriter().write(g.toJson("添加成功!")); //response.getWriter().write("1");     }/** * 保存一条数据 * 基于ajax的json自动封装的 * 实体类 * 注意有嵌套类时的 * 写法"county.id" *  * **/@RequestMapping( value="/savetwo",method=RequestMethod.POST) public void  savetwo(Person person,HttpServletRequest request,HttpServletResponse response)throws Exception{     personDao.save(person);//保存成功 //System.out.println(person); //System.out.println("cid :  "+request.getParameter("cid"));    Gson g=new Gson();//    List<String> list=new ArrayList<String>();//    list.add("A");//    list.add("B");//    list.add("C");//    list.add("D");    response.setCharacterEncoding("UTF-8");    response.setContentType("application/json;charset=utf-8");    //response.getWriter().write(g.toJson(list));     response.getWriter().write(g.toJson("添加成功!")); //response.getWriter().write("1");     }}

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>  <%@ taglib uri="http://java.sun.com/jstl/core_rt" prefix="c" %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>          <title>My JSP 'add.jsp' starting page</title>    <meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0">    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">--> <script type="text/javascript" src="jquery/jquery-1.7.1.min.js"></script></head>    <script type="text/javascript">    /*    $(function(){         $("#btn").bind('click',function(){   alert('123');     var name=$("#name").val();  var age=$("#age").val();  var cid=$("#cid").val();      $.ajax({type:"post",url:"save",data:{name:name,age:age,country.id=cid}, dataType:"json", success: function(msg) {                                             alert(msg)}});      });    });  */  function qin(){     var name=$("#name").val();  var age=$("#age").val();  var cid=$("#cid").val();       $.ajax({type:"post",  url:"savetwo", data:{name:name,age:age,"country.id":cid},// data:{name:name,age:age,cid:cid}, dataType:"json", success: function(msg) {                                             alert(msg)           location.href = "showAll";}});  }   </script>  <body>         名字: <input  id="name"  name="name"><br>   年龄:<input  id="age"  name="age"><br>   请选择国家:   <select id="cid" name="cname" >   <c:forEach   items="${clist }" var="c">   <option    value="${c.id}" >${c.cname} </option>   </c:forEach>   </select>      <button id="btn"   onclick="qin()"  >提交</button>         </body></html>