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struts2的全局结果处理和依赖注入案例

程序员文章站 2022-06-22 07:57:39
web.xml     [html]  
web.xml

 

 

[html]  

<?xml version="1.0" encoding="utf-8"?>  

<web-app version="2.5"   

    xmlns="https://java.sun.com/xml/ns/javaee"   

    xmlns:xsi="https://www.w3.org/2001/xmlschema-instance"   

    xsi:schemalocation="https://java.sun.com/xml/ns/javaee   

    https://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">  

      

      

    <!-- 添加启动struts2mvc框架的过滤器 -->  

    <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>  

      

  <welcome-file-list>  

    <welcome-file>index.</welcome-file>  

  </welcome-file-list>  

</web-app>  

 

<?xml version="1.0" encoding="utf-8"?>

<web-app version="2.5" 

xmlns="https://java.sun.com/xml/ns/javaee" 

xmlns:xsi="https://www.w3.org/2001/xmlschema-instance" 

xsi:schemalocation="https://java.sun.com/xml/ns/javaee 

https://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

 

 

<!-- 添加启动struts2mvc框架的过滤器 -->

<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>

 

  <welcome-file-list>

    <welcome-file>index.jsp</welcome-file>

  </welcome-file-list>

</web-app>

 

index.jsp 

 

 

[html]  

<%@ page language="java" import="java.util.*" pageencoding="utf-8"%>  

<%  

string path = request.getcontextpath();  

string basepath = request.getscheme()+"://"+request.getservername()+":"+request.getserverport()+path+"/";  

%>  

  

<!doctype html public "-//w3c//dtd html 4.01 transitional//en">  

<html>  

    <head>  

        <base href="<%=basepath%>">  

  

        <title>my jsp 'index.jsp' starting page</title>  

        <meta http-equiv="pragma" content="no-cache">  

        <meta http-equiv="cache-control" content="no-cache">  

        <meta http-equiv="expires" content="0">  

        <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">  

        <meta http-equiv="description" content="this is my page">  

        <!-- 

    <link rel="stylesheet" type="text/css" href="styles.css"> 

    -->  

    </head>  

  

    <body>  

        <p align="center">  

            <h3>  

                登陆操作  

            </h3>  

            <form action="${pagecontext.request.contextpath }/csdn/login.action" method="post">  

                用户名:  

                <input type="text" name="name" />  

                <br />  

                密码:  

                <input type="password" name="pass" />  

                <br />  

                <input type="submit" value="登陆">  

            </form>  

        </p>  

    </body>  

</html>  

 

<%@ page language="java" import="java.util.*" pageencoding="utf-8"%>

<%

string path = request.getcontextpath();

string basepath = request.getscheme()+"://"+request.getservername()+":"+request.getserverport()+path+"/";

%>

 

<!doctype html public "-//w3c//dtd html 4.01 transitional//en">

<html>

<head>

<base href="<%=basepath%>">

 

<title>my jsp 'index.jsp' starting page</title>

<meta http-equiv="pragma" content="no-cache">

<meta http-equiv="cache-control" content="no-cache">

<meta http-equiv="expires" content="0">

<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">

<meta http-equiv="description" content="this is my page">

<!--

<link rel="stylesheet" type="text/css" href="styles.css">

-->

</head>

 

<body>

<p align="center">

<h3>

登陆操作

</h3>

<form action="${pagecontext.request.contextpath }/csdn/login.action" method="post">

用户名:

<input type="text" name="name" />

<br />

密码:

<input type="password" name="pass" />

<br />

<input type="submit" value="登陆">

</form>

</p>

</body>

</html>

 

sc.jsp 

 

 

[html]  

<%@ page language="java" import="java.util.*" pageencoding="utf-8"%>  

<%  

string path = request.getcontextpath();  

string basepath = request.getscheme()+"://"+request.getservername()+":"+request.getserverport()+path+"/";  

%>  

  

<!doctype html public "-//w3c//dtd html 4.01 transitional//en">  

<html>  

  <head>  

    <base href="<%=basepath%>">  

      

    <title>my jsp 'sc.jsp' starting page</title>  

      

    <meta http-equiv="pragma" content="no-cache">  

    <meta http-equiv="cache-control" content="no-cache">  

    <meta http-equiv="expires" content="0">      

    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">  

    <meta http-equiv="description" content="this is my page">  

    <!-- 

    <link rel="stylesheet" type="text/css" href="styles.css"> 

    -->  

  

  </head>  

    

  <body>  

         <p align="center">  

             <h3>登陆成功!</h3>  

         </p>  

  </body>  

</html>  

 

<%@ page language="java" import="java.util.*" pageencoding="utf-8"%>

<%

string path = request.getcontextpath();

string basepath = request.getscheme()+"://"+request.getservername()+":"+request.getserverport()+path+"/";

%>

 

<!doctype html public "-//w3c//dtd html 4.01 transitional//en">

<html>

  <head>

    <base href="<%=basepath%>">

    

    <title>my jsp 'sc.jsp' starting page</title>

    

<meta http-equiv="pragma" content="no-cache">

<meta http-equiv="cache-control" content="no-cache">

<meta http-equiv="expires" content="0">    

<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">

<meta http-equiv="description" content="this is my page">

<!--

<link rel="stylesheet" type="text/css" href="styles.css">

-->

 

  </head>

  

  <body>

         <p align="center">

             <h3>登陆成功!</h3>

         </p>

  </body>

</html>

 

loginaction.java 

 

 

[java]  

package www.csdn.struts_action.action;  

  

import com.opensymphony.xwork2.actionsupport;  

  

public class loginaction extends actionsupport {  

  

    /** 

     *  

     */  

    private static final long serialversionuid = 1l;  

  

    // 接受客户端的值   

  

    private string name;  

    private string pass;  

      

    private string upload;  

  

    public string getname() {  

        return name;  

    }  

  

    // 注入   

    public void setname(string name) {  

        this.name = name;  

    }  

  

    public string getpass() {  

        return pass;  

    }  

  

    public void setpass(string pass) {  

        this.pass = pass;  

    }  

  

      

      

    public string getupload() {  

        return upload;  

    }  

  

    public void setupload(string upload) {  

        this.upload = upload;  

    }  

  

    public string login() {  

  

        system.out.println("处理业务....."+name+"--"+pass+"---"+upload);  

        return success;  

    }  

  

}  

 

package www.csdn.struts_action.action;

 

import com.opensymphony.xwork2.actionsupport;

 

public class loginaction extends actionsupport {

 

/**

*/

private static final long serialversionuid = 1l;

 

// 接受客户端的值

 

private string name;

private string pass;

 

private string upload;

 

public string getname() {

return name;

}

 

// 注入

public void setname(string name) {

this.name = name;

}

 

public string getpass() {

return pass;

}

 

public void setpass(string pass) {

this.pass = pass;

}

 

 

 

public string getupload() {

return upload;

}

 

public void setupload(string upload) {

this.upload = upload;

}

 

public string login() {

 

system.out.println("处理业务....."+name+"--"+pass+"---"+upload);

return success;

}

 

}

 

struts.xml 

 

 

[html]  

<?xml version="1.0" encoding="utf-8"?>  

<!doctype struts public  

    "-//apache software foundation//dtd struts configuration 2.3//en"  

    "https://struts.apache.org/dtds/struts-2.3.dtd">  

<struts>  

  

    <!--  

        ${pagecontext.request.contextpath }/csdn/login.action  

  

        url:https://localhost:8080/struts_action/csdn/login.action  

        struts-default 包名  

    -->  

  

  

    <package name="user" namespace="/csdn" extends="struts-default">  

  

  

        <!-- 全局的结果集 -->  

        <global-results>  

            <result name="success" type="dispatcher">/sc.jsp</result>  

        </global-results>  

  

        <!--  

            <default-class-ref class="com.opensymphony.xwork2.actionsupport" />  

            method=execute  

        -->  

        <action name="login" class="www.csdn.struts_action.action.loginaction"  

            method="login">  

            <param name="upload">/images</param>  

            <!--  

                name="success" <result-type name="dispatcher"  

                class="org.apache.struts2.dispatcher.servletdispatcherresult"  

                default="true"/>  

            -->  

            <result name="success" type="dispatcher">/index.jsp</result>  

        </action>  

  

    </package>  

  

  

</struts>  

 

<?xml version="1.0" encoding="utf-8"?>

<!doctype struts public

"-//apache software foundation//dtd struts configuration 2.3//en"

"https://struts.apache.org/dtds/struts-2.3.dtd">

<struts>

 

<!--

${pagecontext.request.contextpath }/csdn/login.action

 

url:https://localhost:8080/struts_action/csdn/login.action

struts-default 包名

-->

 

 

<package name="user" namespace="/csdn" extends="struts-default">

 

 

<!-- 全局的结果集 -->

<global-results>

<result name="success" type="dispatcher">/sc.jsp</result>

</global-results>

 

<!--

<default-class-ref class="com.opensymphony.xwork2.actionsupport" />

method=execute

-->

<action name="login" class="www.csdn.struts_action.action.loginaction"

method="login">

<param name="upload">/images</param>

<!--

name="success" <result-type name="dispatcher"

class="org.apache.struts2.dispatcher.servletdispatcherresult"

default="true"/>

-->

<result name="success" type="dispatcher">/index.jsp</result>

</action>

 

</package>

 

 

</struts>[html] view plaincopyprint?

  

 

 

当没有

 

 

[html]  www.2cto.com

<result name="success" type="dispatcher">/index.jsp</result>  

 

<result name="success" type="dispatcher">/index.jsp</result>跳转到sc页面, 

 

添加上

 

 

[html]  

<result name="success" type="dispatcher">/index.jsp</result>  

 

<result name="success" type="dispatcher">/index.jsp</result>则跳转到index页面