SpringMVC+Hibernate+Spring整合实例(一)
转自 http://blog.****.net/bjyfb/article/details/8998267
SpringMVC又一个漂亮的web框架,他与Struts2并驾齐驱,Struts出世早而占据了一定优势,我在博客《Struts1+Hibernate+Spring整合实例》中做了一个简单的实例,介绍了SSH1的基本搭建方式,Struts2是根据Struts1发展而来,博客中就没有贴SSH2的例子,只对比了下Struts1和Struts2异同,通过对比,SSH2的搭建基本不在话下了。下面同样做一个简单的应用实例,介绍SpringMVC的基本用法,接下来的博客也将梳理一下Struts2和SpringMVC的一些异同,通过梳理和旧知识的联系,让学习的成本变低,花很短的时间就可以了解一门貌似新的技术,其实本质没变。
下面开始实例,这个实例的需求是对用户信息进行增删改查。首先创建一个web项目test_ssh,目录结构及需要的Jar包如下图:
创建一个User实体类,放在Entity包下,采用注解的方式:
- packagecom.tgb.entity;
- importjavax.persistence.Column;
- importjavax.persistence.Entity;
- importjavax.persistence.GeneratedValue;
- importjavax.persistence.Id;
- importjavax.persistence.Table;
- importorg.hibernate.annotations.GenericGenerator;
- @Entity
- @Table(name="T_USER")
- publicclassUser{
- @Id
- @GeneratedValue(generator="system-uuid")
- @GenericGenerator(name="system-uuid",strategy="uuid")
- @Column(length=32)
- privateStringid;
- @Column(length=32)
- privateStringuserName;
- @Column(length=32)
- privateStringage;
- publicStringgetId(){
- returnid;
- }
- publicvoidsetId(Stringid){
- this.id=id;
- }
- publicStringgetUserName(){
- returnuserName;
- }
- publicvoidsetUserName(StringuserName){
- this.userName=userName;
- }
- publicStringgetAge(){
- returnage;
- }
- publicvoidsetAge(Stringage){
- this.age=age;
- }
- }
本篇关于SpringMVC基本都会采用注解的方式,首先配置好数据源以及事务spring-common.xml,放在config.spring包下:
- <?xmlversion="1.0"encoding="UTF-8"?>
- <beansxmlns="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.xsd">
- <!--配置数据源-->
- <beanid="dataSource"class="org.springframework.jdbc.datasource.DriverManagerDataSource">
- <propertyname="driverClassName"value="com.mysql.jdbc.Driver"></property>
- <propertyname="url"value="jdbc:mysql://localhost/test_ssh"></property>
- <propertyname="username"value="root"></property>
- <propertyname="password"value="1"></property>
- </bean>
- <!--配置SessionFactory-->
- <beanid="sessionFactory"class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
- <propertyname="dataSource"ref="dataSource"/>
- <propertyname="hibernateProperties">
- <props>
- <propkey="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
- <propkey="hibernate.hbm2ddl.auto">update</prop>
- <propkey="hibernate.show_sql">true</prop>
- <propkey="hibernate.format_sql">true</prop>
- </props>
- </property>
- <propertyname="annotatedClasses">
- <list>
- <value>com.tgb.entity.User</value>
- </list>
- </property>
- </bean>
- <!--配置一个事务管理器-->
- <beanid="transactionManager"class="org.springframework.orm.hibernate4.HibernateTransactionManager">
- <propertyname="sessionFactory"ref="sessionFactory"/>
- </bean>
- <!--配置事务,使用代理的方式-->
- <beanid="transactionProxy"class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean"abstract="true">
- <propertyname="transactionManager"ref="transactionManager"></property>
- <propertyname="transactionAttributes">
- <props>
- <propkey="add*">PROPAGATION_REQUIRED,-Exception</prop>
- <propkey="modify*">PROPAGATION_REQUIRED,-myException</prop>
- <propkey="del*">PROPAGATION_REQUIRED</prop>
- <propkey="*">PROPAGATION_REQUIRED</prop>
- </props>
- </property>
- </bean>
- </beans>
然后配置关于SpringMVC的内容,下面配置中都有注释说明,就不再赘述,spring-mvc.xml放在config.spring包下:
- <?xmlversion="1.0"encoding="UTF-8"?>
- <beansxmlns="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.xsd
- http://www.springframework.org/schema/context
- http://www.springframework.org/schema/context/spring-context-3.2.xsd
- http://www.springframework.org/schema/mvc
- http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
- <!--注解扫描包-->
- <context:component-scanbase-package="com.tgb"/>
- <!--开启注解-->
- <mvc:annotation-driven/>
- <!--静态资源(js/image)的访问-->
- <mvc:resourceslocation="/js/"mapping="/js/**"/>
- <!--定义视图解析器-->
- <beanid="viewResolver"class="org.springframework.web.servlet.view.InternalResourceViewResolver">
- <propertyname="prefix"value="/"></property>
- <propertyname="suffix"value=".jsp"></property>
- </bean>
- </beans>
完成这些共用的配置之后,来配置web项目起点web.xml:
- <?xmlversion="1.0"encoding="UTF-8"?>
- <web-appxmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns="http://java.sun.com/xml/ns/javaee"xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"xsi:schemaLocation="http://java.sun.com/xml/ns/javaeehttp://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"id="WebApp_ID"version="2.5">
- <display-name>json_test</display-name>
- <welcome-file-list>
- <welcome-file>login.jsp</welcome-file>
- </welcome-file-list>
- <!--加载所有的配置文件-->
- <context-param>
- <param-name>contextConfigLocation</param-name>
- <param-value>classpath*:config/spring/spring-*.xml</param-value>
- </context-param>
- <!--配置Spring监听-->
- <listener>
- <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
- </listener>
- <!--配置SpringMVC-->
- <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/spring-mvc.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>
- <!--配置字符集-->
- <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>
- <init-param>
- <param-name>forceEncoding</param-name>
- <param-value>true</param-value>
- </init-param>
- </filter>
- <filter-mapping>
- <filter-name>encodingFilter</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>
读者需自行下载jquery包,放到webContent文件夹下的js包下。然后创建几个测试页面,分别如下:
Login.jsp,项目的入口界面。
- <h5><ahref="/test_ssh/user/getAllUser">进入用户管理页</a></h5>
Index.jsp,用户管理的主界面
- <%@pagelanguage="java"contentType="text/html;charset=UTF-8"
- pageEncoding="UTF-8"%>
- <%@taglibprefix="c"uri="http://java.sun.com/jsp/jstl/core"%>
- <!DOCTYPEhtmlPUBLIC"-//W3C//DTDHTML4.01Transitional//EN""http://www.w3.org/TR/html4/loose.dtd">
- <html>
- <head>
- <scripttype="text/javascript"src="../js/jquery-1.7.1.js"></script>
- <metahttp-equiv="Content-Type"content="text/html;charset=UTF-8">
- <title>Inserttitlehere</title>
- <scripttype="text/javascript">
- functiondel(id){
- $.get("/test_ssh/user/delUser?id="+id,function(data){
- if("success"==data.result){
- alert("删除成功");
- window.location.reload();
- }else{
- alert("删除失败");
- }
- });
- }
- </script>
- </head>
- <body>
- <h6><ahref="/test_ssh/user/toAddUser">添加用户</a></h6>
- <tableborder="1">
- <tbody>
- <tr>
- <th>姓名</th>
- <th>年龄</th>
- <th>操作</th>
- </tr>
- <c:iftest="${!emptyuserList}">
- <c:forEachitems="${userList}"var="user">
- <tr>
- <td>${user.userName}</td>
- <td>${user.age}</td>
- <td>
- <ahref="/test_ssh/user/getUser?id=${user.id}">编辑</a>
- <ahref="javascript:del('${user.id}')">删除</a>
- </td>
- </tr>
- </c:forEach>
- </c:if>
- </tbody>
- </table>
- </body>
- </html>
addUser.jsp,添加用户界面
- <%@pagelanguage="java"contentType="text/html;charset=UTF-8"
- pageEncoding="UTF-8"%>
- <!DOCTYPEhtmlPUBLIC"-//W3C//DTDHTML4.01Transitional//EN""http://www.w3.org/TR/html4/loose.dtd">
- <html>
- <head>
- <metahttp-equiv="Content-Type"content="text/html;charset=UTF-8">
- <title>Inserttitlehere</title>
- <scripttype="text/javascript">
- functionaddUser(){
- varform=document.forms[0];
- form.action="/test_ssh/user/addUser";
- form.method="post";
- form.submit();
- }
- </script>
- </head>
- <body>
- <h1>添加用户</h1>
- <formaction=""name="userForm">
- 姓名:<inputtype="text"name="userName">
- 年龄:<inputtype="text"name="age">
- <inputtype="button"value="添加"onclick="addUser()">
- </form>
- </body>
- </html>
editUser.jsp,修改用户信息界面。
- <%@pagelanguage="java"contentType="text/html;charset=UTF-8"
- pageEncoding="UTF-8"%>
- <%@taglibprefix="c"uri="http://java.sun.com/jsp/jstl/core"%>
- <!DOCTYPEhtmlPUBLIC"-//W3C//DTDHTML4.01Transitional//EN""http://www.w3.org/TR/html4/loose.dtd">
- <html>
- <head>
- <scripttype="text/javascript"src="../js/jquery-1.7.1.js"></script>
- <metahttp-equiv="Content-Type"content="text/html;charset=UTF-8">
- <title>Inserttitlehere</title>
- </head>
- <body>
- <h1>编辑用户</h1>
- <formaction="/test_ssh/user/updateUser"name="userForm"method="post">
- <inputtype="hidden"name="id"value="${user.id}">
- 姓名:<inputtype="text"name="userName"value="${user.userName}">
- 年龄:<inputtype="text"name="age"value="${user.age}">
- <inputtype="submit"value="编辑">
- </form>
- </body>
- </html>
还有success.jsp和error.jsp页面,无代码,就不再展示。
框架越来越多,越来越好用,但随之而来的繁杂的、各成体系的配置怎么办?项目大了感觉注解靠谱些。
下篇继续。