搭建SSH基本框架
首先你得下载ssh整合包,可以去官网下,也可以直接下载我上传的http://download.csdn.net/detail/h295928126/9777633
然后也给出这个基础项目的完整demo,不过希望的是你能自己动手搭建起来,因为写的很详细了,所以资源下载设置1分
http://download.csdn.net/detail/h295928126/9777643
1、从struts2开始搭建,新建1、一个web项目 ,new —Dynamic Web Project,然后一直点击next,最后在图中把这个选项勾上即可finish。
2、导入struts包,也就是加入lib中,只要是关键包就行了,但你也可以导入ssh全部包,然后把struts-spring-plugin-2.3.8.jar先删掉,这样在测试struts时不会出错。我便是后者。。
3、复制web.xml到src下面,然后重命名为struts.xml
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <constant name="struts.devMode" value="true" /> </struts>
4、修改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" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" 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>SSH</display-name> <welcome-file-list> //默认首页 <welcome-file>index.jsp</welcome-file> </welcome-file-list> <filter> <filter-name>struts2</filter-name> <filter-class> org.apache.struts2.dispatcher.FilterDispatcher </filter-class> </filter> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </web-app>
5、在src下建立包com.action,创建类LoginAction
package com.action; public class LoginAction{ private String name; public String execute() throws Exception { return "success"; } public String getName() { return name; } public void setName(String name) { this.name = name; } }
6、struts.xml加入页面跳转的action
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <!--启动开发模式,你在struts.xml配置文件中修改后就不用重新部署项目了。--> <constant name="struts.devMode" value="true" /> <package name="struts2" extends="struts-default"> <!-- 配置action,依靠这里跳转 --> <action name="login" class="com.action.LoginAction"> <result name="success">/result.jsp</result> <result name="input">/index.jsp</result> </action> </package> </struts>
7、在WebContent下创建index.jsp
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <%@ taglib prefix="s" uri="/struts-tags"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title>Hello World</title> </head> <body> <h1>Hello World From Struts2</h1> <form action="login"> <label for="name">Please enter your name</label><br/> <input type="text" name="name"/> <input type="submit" value="login"/> </form> </body> </html>
8、然后再创建一个展示结果的页面result.jsp
<%@ page contentType="text/html; charset=UTF-8" %> <%@ taglib prefix="s" uri="/struts-tags" %> <html> <head> <title>Hello World</title> </head> <body> Hello World, <s:property value="name"/> </body> </html>
9、启动tomcat,在eclipse下方找到servers
点击next
把自己的ssh项目add进去
最后再双击servers里面的tomcat,进入图中页面,然后把红框处改为你的tomcat路径跟图中的webapps
10、重启tomcat,打开网址
点击login按钮后弹到
开始整合struts2+spring
1、加入spring的包,或者是之前你已经导入所有的包,现在只需加入那个删掉的struts+spring包即可。
2、在src下复制struts.xml然后改名为spring的配置文件applicationContext.xml,并加入对struts的管理
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" 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"> <bean id="loginAction" class="com.action.LoginAction" scope="prototype"> </bean> </beans>
3、struts.xml改成
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <constant name="struts.devMode" value="false" /> <package name="struts2" extends="struts-default"> <!-- 此处的class的内容要与Spring配置文件中的bean的id相同 --> <action name="login" class="loginAction"> <result name="success">/result.jsp</result> <result name="input">/index.jsp</result> </action> </package> </struts>
4、在web.xml加入spring相关支持
<!-- 用来定位Spring框架配置文件 ,最好放在struts配置的前面,防止出现意外错误。--> <context-param> <param-name>contextConfigLocation</param-name> <param-value>/WEB-INF/applicationContext*.xml,classpath*:applicationContext*.xml</param-value> </context-param> <!-- 配置Spring监听 ,这也放在struts前面吧。--> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener>
5、把index.jsp改成(其实只是添加“+spring”的字眼。。)
<%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%> <%@ taglib prefix="s" uri="/struts-tags"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title>Hello World</title> </head> <body> <h1>Hello World From Struts2 + Spring</h1> <form action="login"> <label for="name">Please enter your name</label><br/> <input type="text" name="name"/> <input type="submit" value="Say Hello"/> </form> </body> </html>
6、重启tomcat,打开页面
点击登录后弹出
把hibernate整合进去
看下ssh整合完成后整个项目架构
2、导入hibernate的相关包(已经导入全部包的忽略这一步)
在applicationContext.xml中添加hibernate的配置(有些地方改成自己的即可),这样写后,就不用再创建hibernate.properties文件了。
<!-- 配置数据源 --> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <!-- 指定连接数据库的驱动 --> <property name="driverClassName" value="com.mysql.jdbc.Driver" /> <!-- 指定连接数据库的URL --> <property name="url" value="jdbc:mysql://localhost:3306/test" /> <!-- 指定连接数据库的用户名 --> <property name="username" value="root" /> <!-- 指定连接数据库的密码 --> <property name="password" value="root" /> </bean> <!-- 配置SessionFactory --> <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <property name="dataSource"> <ref bean="dataSource" /> </property> <property name="hibernateProperties"> <props> <prop key="hibernate.dialect"> org.hibernate.dialect.MySQLDialect </prop> <prop key="hibernate.hbm2ddl.auto">update</prop> <prop key="hibernate.connection.autocommit">true </prop> <prop key="hibernate.show_sql">true</prop> <prop key="sql_format">true</prop> </props> </property> <property name="mappingResources"> <!-- 指定hibernate映射文件 --> <list> <value>com/entity/User.hbm.xml</value> </list> </property> </bean>
4、接下来测试对数据库的操作,创建com.entity包,并在下面根据数据库对应的表创建User实体类
package com.entity; public class User { private int id; private String name; private String age; public int getId() { return id; } public void setId(int id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getAge() { return age; } public void setAge(String age) { this.age = age; } }
同目录下创建实体类映射User.hbm.xml
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"> <!-- Mapping file autogenerated by MyEclipse Persistence Tools --> <hibernate-mapping> <class name="com.entity.User" table="user"> <!-- 主键 --> <id name="id"> <column name="id" /> <generator class="increment" /> </id> <property name="name" type="java.lang.String"> <column name="name" length="36" /> </property> <property name="age" type="java.lang.String"> <column name="age" length="36" /> </property> </class> </hibernate-mapping>
5、创建持久层,新建com.dao包,并在下面创建接口UserDao(我已经在里面建立了add的方法)
package com.dao; import com.entity.User; public interface UserDao { public void add(User user); }
然后同目录下创建实现类UserDaoImpl
package com.dao; import org.springframework.orm.hibernate3.support.HibernateDaoSupport; import com.entity.User; public class UserDaoImpl extends HibernateDaoSupport implements UserDao { @Override public void add(User user) { getHibernateTemplate().save(user); } }
6、创建service层,新建com.service包,创建接口UserService(我也添加了add方法)
package com.service; import com.entity.User; public interface UserService { public void add(User user); }
同目录下创建实现类UserServiceImpl
package com.service; import com.entity.User; import com.dao.UserDao; public class UserServiceImpl implements UserService { private UserDao userDao; public UserDao getUserDao() { return userDao; } public void setUserDao(UserDao userDao) { this.userDao = userDao; } @Override public void add(User user) { userDao.add(user); } }
7、在action包下创建RegAction类
package com.action; import java.util.ArrayList; import java.util.List; import com.entity.User; import com.service.UserService; import com.opensymphony.xwork2.ActionSupport; public class RegAction extends ActionSupport{ private UserService userService; private String name; private String age; //这里采用set注入 public void setUserService(UserService userService) { this.userService = userService; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getAge() { return age; } public void setAge(String age) { this.age = age; } public String execute(){ User user=new User(); user.setName(name); user.setAge(age); userService.add(user); return "success"; } }
8、因为这里用的是set注入,所以在applicationContext.xml中添加依赖注入的配置即可,这里给出整个文件
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" 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"> <!-- 配置数据源 --> <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close"> <!-- 指定连接数据库的驱动 --> <property name="driverClassName" value="com.mysql.jdbc.Driver" /> <!-- 指定连接数据库的URL --> <property name="url" value="jdbc:mysql://localhost:3306/test" /> <!-- 指定连接数据库的用户名 --> <property name="username" value="root" /> <!-- 指定连接数据库的密码 --> <property name="password" value="root" /> </bean> <!-- 配置SessionFactory --> <bean id="sessionFactory" class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"> <property name="dataSource"> <ref bean="dataSource" /> </property> <property name="hibernateProperties"> <props> <prop key="hibernate.dialect"> org.hibernate.dialect.MySQLDialect </prop> <prop key="hibernate.hbm2ddl.auto">update</prop> <prop key="hibernate.connection.autocommit">true </prop> <prop key="hibernate.show_sql">true</prop> <prop key="sql_format">true</prop> </props> </property> <property name="mappingResources"> <!-- 指定hibernate映射文件 --> <list> <value>com/entity/User.hbm.xml</value> </list> </property> </bean> <bean id="LoginAction" class="com.action.LoginAction" scope="prototype"> </bean> <!-- Dao配置 --> <bean id="userDao" class="com.dao.UserDaoImpl"> <property name="sessionFactory" ref="sessionFactory"></property> </bean> <!-- Service配置 --> <bean id="userService" class="com.service.UserServiceImpl"> <property name="userDao" ref="userDao"></property> </bean> <bean id="reg" class="com.action.RegAction" scope="prototype"> <property name="userService" ref="userService"></property> </bean> </beans>
9、在struts.xml加入相应reg的action即可
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN" "http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <constant name="struts.devMode" value="false" /> <package name="struts2" extends="struts-default"> <!-- 此处的class的内容要与Spring配置文件中的bean的id相同 --> <action name="login" class="LoginAction"> <result name="success">/result.jsp</result> <result name="input">/index.jsp</result> </action> <!-- 注册,即测试ssh整合的action) --> <action name="reg" class="reg"> <result name="success">/regsuccess.jsp</result> <result name="input">/reg.jsp</result> </action> </package> </struts>
10、在WebContent下创建2个jsp,reg.jsp和regsuccess.jsp
reg.jsp
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>用户演示界面</title> </head> <body> <form action="reg" method="post" name="regForm"> <table> <tr> <td>姓名</td> <td><input type="text" name="name" size="15" /></td> </tr> <tr> <td>年龄</td> <td><input type="text" name="age" size="15" /></td> </tr> <tr> <td colspan="2"><input type="submit" value="注册"></td> </tr> </table> </form> </body> </html>
11、regsuccess.jsp
<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <title>Insert title here</title> </head> <body> <h1>注册成功</h1> </body> </html>
最后重启tomcat,打开直接访问你的reg.jsp的网址
http://localhost:8080/SSH/reg.jsp
点击注册,这里我偷懒没写注册失败的页面。
再去数据库看下,成功添加。(你也可以再写一个select方法,直接在注册成功的页面中展示数据库的信息)