package com.hanqi.test;
public class JISQ {
public double add(double a,double b)
{
return (a+b);
}
}
package com.hanqi.test;
public class TestDAO {
//数据连接
private String conn;
public String getConn() {
return conn;
}
public void setConn(String conn) {
this.conn = conn;
}
public String getname()
{
return "得到连接="+conn+"并嗲用了DAO";
}
}
package com.hanqi.test;
public class TestService {
private TestDAO ts;
public TestDAO getTs() {
return ts;
}
public void setTs(TestDAO ts) {
this.ts = ts;
}
public String getDAOname()
{
//TestDAO td=new TestDAO();
return ts.getname();
}
}
package com.hanqi.test;
public class TestAction
{
private TestService ts7;
public TestService getTs7() {
return ts7;
}
public void setTs7(TestService ts7) {
this.ts7 = ts7;
}
public String test1()
{
//TestService ts=new TestService();
System.out.println(ts7.getDAOname());
return "success";
}
}
<?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"
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-4.2.xsd">
<bean id="jsq" class="com.hanqi.test.JISQ"></bean>
<!--Action类的实例不能是单例的 -->
<bean id="test2" class="com.hanqi.test.TestAction" scope="prototype"></bean>
<bean id="testDAO" class="com.hanqi.test.TestDAO">
<property name="conn" value="Oracle"></property>
</bean>
<bean id="testService" class="com.hanqi.test.TestService">
<property name="ts" ref="testDAO"></property>
</bean>
<bean id="testID" class="com.hanqi.test.TestAction">
<property name="ts7" ref="testService"></property>
</bean>
</beans>
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<!-- 设置过滤的扩展名 -->
<constant name="struts.action.extension" value="action,do,,"></constant>
<!-- 允许调用静态方法和静态属性 -->
<constant name="struts.ognl.allowStaticMethodAccess" value="true"></constant>
<!-- 定义包 -->
<package name="test" extends="struts-default">
<action name="testform" class="testID" method="test1">
<result>view.jsp</result>
</action>
</package>
</struts>
<?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" id="WebApp_ID" version="2.5">
<display-name>Test39</display-name>
<welcome-file-list>
<welcome-file>index.html</welcome-file>
<welcome-file>index.htm</welcome-file>
<welcome-file>index.jsp</welcome-file>
<welcome-file>default.html</welcome-file>
<welcome-file>default.htm</welcome-file>
<welcome-file>default.jsp</welcome-file>
</welcome-file-list>
<!-- spring有关的 -->
<!-- 配置文件 -->
<!-- needed for ContextLoaderListener -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:app.xml</param-value>
</context-param>
<!-- Bootstraps the root web application context before servlet initialization -->
<!-- 把Spring容器放到全局对象中 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 过滤器 -->
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
<%@page import="com.hanqi.test.JISQ"%>
<%@page import="org.springframework.web.context.support.WebApplicationContextUtils"%>
<%@page import="org.springframework.web.context.WebApplicationContext"%>
<%@ 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>
测试
<%
//调用spring容器的bean的实例
//加载容器 通过什么途径
WebApplicationContext ac=
WebApplicationContextUtils.getRequiredWebApplicationContext(this.getServletContext());
JISQ jsq=ac.getBean(JISQ.class);
%>
<br>
123+456=<%=jsq.add(123, 456)%>
<br><br>
<a href="testform">发起请求</a>
</body>
</html>
