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  • Structs复习 Result第一部分

    Jar包

    web.xml

    <?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 
    xmlns="http://java.sun.com/xml/ns/javaee" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
    http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
  
  <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>

    Struct.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" />
    <package name="resultTypes" namespace="/r" extends="struts-default">
        <action name="r1">
            <result type="dispatcher">/r1.jsp</result>    //服务器跳转 直接跳转
        </action>  
        
        <action name="r2">
            <result type="redirect">/r2.jsp</result>       //先返回客户端 后跳转
        </action>
        
        <action name="r3">
            <result type="chain">r1</result>               //跳到Action 网址显示Action 实际显示jsp
        </action>
        
        <action name="r4">  
            <result type="redirectAction">r2</result>        //显示jsp
        </action>
        
    </package>
</struts>

    index.jsp

    <?xml version="1.0" encoding="GB18030" ?>
<%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"%>

<% String context = request.getContextPath(); %>

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030" />
<title>Insert title here</title>
</head>
<body>
Result类型
<ol>
    <li><a href="r/r1">dispatcher</a></li>
    <li><a href="r/r2">redirect</a></li>
    <li><a href="r/r3">chain</a></li>
    <li><a href="r/r4">redirectAction</a></li>
    <li>freemarker</li>
    <li>httpheader</li>
    <li>stream</li>
    <li>velocity</li>
    <li>xslt</li>
    <li>plaintext</li>
    <li>tiles</li>
</ol>
    
</body>
</html>

    r2.jsp

    <?xml version="1.0" encoding="GB18030" ?>
<%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"%>
    <%@taglib uri="/struts-tags" prefix="s" %>
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030" />
<title>r2</title>
</head>
<body>
r2
</body>
</html>

    r3.jsp

    <?xml version="1.0" encoding="GB18030" ?>
<%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"%>
    <%@taglib uri="/struts-tags" prefix="s" %>
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030" />
<title>r3</title>
</head>
<body>
r3
</body>
</html>

    r4.jsp

    <?xml version="1.0" encoding="GB18030" ?>
<%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"%>
    <%@taglib uri="/struts-tags" prefix="s" %>
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030" />
<title>r4</title>
</head>
<body>
r4
</body>
</html>

    2.glibairesult

    jar包

    web.xml、

    <?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 
    xmlns="http://java.sun.com/xml/ns/javaee" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
    http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
  
  <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>

    Structs.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" />
    <package name="user" namespace="/user" extends="struts-default">
        
        
        <global-results>
            <result name="mainpage">/main.jsp</result>
        </global-results>
        
        <action name="index">
            <result>/index.jsp</result>
        </action>
        
        <action name="user" class="com.bjsxt.struts2.user.action.UserAction">
            <result>/user_success.jsp</result>
            <result name="error">/user_error.jsp</result>
        </action>        
    </package>
     
    <package name="admin" namespace="/admin" extends="user">      //从user包继承,拥有她的所有属性
        <action name="admin" class="com.bjsxt.struts2.user.action.AdminAction">
            <result>/admin.jsp</result>
        </action>
    </package>
</struts>

    AdminAction.java

    package com.bjsxt.struts2.user.action;

import com.opensymphony.xwork2.ActionSupport;

public class AdminAction extends ActionSupport {

    @Override
    public String execute() throws Exception {
        return "mainpage";
    }

}

    UserAction.java

    package com.bjsxt.struts2.user.action;

import com.opensymphony.xwork2.ActionSupport;

public class UserAction extends ActionSupport {
    private int type;

    

    public int getType() {
        return type;
    }



    public void setType(int type) {
        this.type = type;
    }



    @Override
    public String execute() throws Exception {
        if(type == 1) return "success";
        else if (type == 2) return "error";
        else return "mainpage";
    }

}

    index.jsp

    <?xml version="1.0" encoding="GB18030" ?>
<%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"%>

<% String context = request.getContextPath(); %>

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030" />
<title>Insert title here</title>
</head>
<body>
Result类型
<ol>
    <li><a href="user/user?type=1">返回success</a></li>
    <li><a href="user/user?type=2">返回error</a></li>
    <li><a href="user/user?type=3">返回global result</a></li>
    <li><a href="admin/admin">admin,继承user包</a></li>
</ol>
    
</body>
</html>

    main.jsp

    <?xml version="1.0" encoding="GB18030" ?>
<%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"%>
    <%@taglib uri="/struts-tags" prefix="s" %>
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030" />
<title>Main</title>
</head>
<body>
    MainPage
</body>
</html>

    user_error.jsp

    <?xml version="1.0" encoding="GB18030" ?>
<%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"%>
    <%@taglib uri="/struts-tags" prefix="s" %>
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030" />
<title>UserError</title>
</head>
<body>
    User Error!
</body>
</html>

    error_success.jsp

    <?xml version="1.0" encoding="GB18030" ?>
<%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"%>
    <%@taglib uri="/struts-tags" prefix="s" %>
<!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>
<meta http-equiv="Content-Type" content="text/html; charset=GB18030" />
<title>UserError</title>
</head>
<body>
    User Error!
</body>
</html>
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  • 原文地址：https://www.cnblogs.com/frankzone/p/9467943.html
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