<?xml version="1.0" encoding="GBK"?> <project name="struts" basedir="." default=""> <property name="dist" value="classes"/> <property name="src" value="src"/> <path id="classpath"> <fileset dir="lib"> <include name="*.jar"/> </fileset> <pathelement path="${dist}"/> </path> <target name="compile" description="Compile all source code"> <delete dir="${dist}"/> <mkdir dir="${dist}"/> <copy todir="${dist}"> <fileset dir="${src}"> <exclude name="**/*.java"/> </fileset> </copy> <javac destdir="classes" debug="true" includeantruntime="yes" deprecation="false" optimize="false" failonerror="true"> <src path="${src}"/> <classpath refid="classpath"/> </javac> </target> </project>
<?xml version="1.0" encoding="GBK"?> <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" version="3.1"> <!-- 定义Struts 2的FilterDispathcer的Filter --> <filter> <filter-name>struts2</filter-name> <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class> </filter> <!-- FilterDispatcher用来初始化struts2并且处理所有的WEB请求。 --> <filter-mapping> <filter-name>struts2</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> </web-app>
<%-- 网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> author yeeku.H.lee kongyeeku@163.com version 1.0 Copyright (C), 2001-2016, yeeku.H.Lee This program is protected by copyright laws. Program Name: Date: --%> <%@ page contentType="text/html; charset=GBK" language="java" errorPage="" %> <%@ taglib prefix="s" uri="/struts-tags" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>使用stream结果实现Ajax</title> <script src="${pageContext.request.contextPath}/jquery-1.11.1.js" type="text/javascript"> </script> </head> <body> <s:form id="loginForm"> <s:textfield name="user" label="用户名"/> <s:textfield name="pass" label="密码"/> <tr><td colspan="2"> <input id="loginBn" type="button" value="提交"/> </td></tr> </s:form> <div id="show" style="display:none;"> </div> <script type="text/javascript"> // 为id为loginBn的按钮绑定事件处理函数 $("#loginBn").click(function() { $("#show").hide(); // 指定向login发送请求，以id为loginForm表单里各表单控件作为请求参数 $.get("login" , $("#loginForm").serializeArray() , // 指定回调函数 function(data , statusText) { $("#show").height(80) .width(240) .css("border" , "1px solid black") .css("border-radius" , "10px") .css("background-color" , "#efef99") .css("color" , "#ff0000") .css("padding" , "20px") .empty(); $("#show").append("登录结果：" + data + "<br />"); $("#show").show(2000); }, // 指定服务器响应为html "html"); }); </script> </body> </html>
<?xml version="1.0" encoding="GBK"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN" "http://struts.apache.org/dtds/struts-2.3.dtd"> <struts> <constant name="struts.i18n.encoding" value="UTF-8"/> <package name="lee" extends="struts-default"> <action name="login" class="org.crazyit.app.action.LoginAction"> <result type="stream"> <!-- 指定下载文件的文件类型 --> <param name="contentType">text/html</param> <!-- 指定由getResult()方法返回输出结果的InputStream --> <param name="inputName">result</param> </result> </action> <action name="*"> <result>/WEB-INF/content/{1}.jsp</result> </action> </package> </struts>
package org.crazyit.app.action; import com.opensymphony.xwork2.Action; import java.io.*; /** * Description: * <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a> * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee * <br/>This program is protected by copyright laws. * <br/>Program Name: * <br/>Date: * @author Yeeku.H.Lee kongyeeku@163.com * @version 1.0 */ public class LoginAction implements Action { // 封装请求参数的两个成员变量 private String user; private String pass; // 封装输出结果的二进制流 private InputStream inputStream; // user的setter和getter方法 public void setUser(String user) { this.user = user; } public String getUser() { return this.user; } // pass的setter和getter方法 public void setPass(String pass) { this.pass = pass; } public String getPass() { return this.pass; } public InputStream getResult() { return inputStream; } public String execute() throws Exception { // 判断用户名、密码，生成对应的响应 inputStream = user.equals("crazyit.org") && pass.equals("leegang") ? new ByteArrayInputStream("恭喜你，登录成功!" .getBytes("UTF-8")) : new ByteArrayInputStream("对不起，用户名、密码不匹配！" .getBytes("UTF-8")); return SUCCESS; } }