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>
时间: 2024-10-06 01:24:18