Structs复习 Path问题

Path问题相对复杂 主要是路劲问题 但结论很简单 就是统一使用绝对路径

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="path" extends="struts-default" namespace="/path">
        <action name="path" class="com.bjsxt.struts2.path.action.PathAction">
            <result name="path">/path.jsp</result>
        </action>
    </package>
</struts>

PathAction.java

package com.bjsxt.struts2.path.action;

public class PathAction {
    public String execute() {
        return "path";
    }
}

Path.jsp

<?xml version="1.0" encoding="GB18030" ?>
<%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"%>
    <%@taglib uri="/struts-tags" prefix="s" %>
    <%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!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>
<base href="<%=basePath%>" />
<meta http-equiv="Content-Type" content="text/html; charset=GB18030" />
<title>Insert title here</title>
</head>
<body>
struts2中的路径问题是根据action的路径而不是jsp路径来确定,所以尽量不要使用相对路径。<br />
<a href="index.jsp">index.jsp</a>
<br />
虽然可以用redirect方式解决,但redirect方式并非必要。
<br />
解决办法非常简单,统一使用绝对路径。(在jsp中用request.getContextRoot方式来拿到webapp的路径)
<br />
或者使用myeclipse经常用的,指定basePath
</body>
</html>

index.jso

<?xml version="1.0" encoding="GB18030" ?>
<%@ page language="java" contentType="text/html; charset=GB18030"
    pageEncoding="GB18030"%>
    <%@taglib uri="/struts-tags" prefix="s" %>
    <%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!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>
<base href="<%=basePath%>" />
<meta http-equiv="Content-Type" content="text/html; charset=GB18030" />
<title>Insert title here</title>
</head>
<body>
struts2中的路径问题是根据action的路径而不是jsp路径来确定,所以尽量不要使用相对路径。<br />
<a href="index.jsp">index.jsp</a>
<br />
虽然可以用redirect方式解决,但redirect方式并非必要。
<br />
解决办法非常简单,统一使用绝对路径。(在jsp中用request.getContextRoot方式来拿到webapp的路径)
<br />
或者使用myeclipse经常用的,指定basePath
</body>
</html>

输入

http://localhost:6666/Struts2_0400_Path/index.jsp

 

posted @ 2018-08-12 22:04  橘柑之味  阅读(120)  评论(0编辑  收藏  举报