Structs复习通配符

1.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="actions" extends="struts-default" namespace="/actions">

        <action name="Student*" class="com.bjsxt.struts2.action.StudentAction" method="{1}">

            <result>/Student{}_success.jsp</result>

        </action>

        <action name="*_*" class="com.bjsxt.struts2.action.{1}Action" method="{2}">

            <result>/{}_{}_success.jsp</result>

            <!-- {}_success.jsp -->

        </action>

    </package>

</struts>

StudentAction.java

package com.bjsxt.struts2.action;

import com.opensymphony.xwork2.ActionSupport;

public class StudentAction extends ActionSupport {

    public String add() {

        return SUCCESS;

    }

    public String delete() {

        return SUCCESS;

    }

}

TeacherAction.java

package com.bjsxt.struts2.action;

import com.opensymphony.xwork2.ActionSupport;

public class TeacherAction extends ActionSupport {

    public String add() {

        return SUCCESS;

    }

    public String delete() {

        return SUCCESS;

    }

}

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>

使用通配符，将配置量降到最低<br />

<a href="<%=context %>/actions/Studentadd">添加学生</a>

<a href="<%=context %>/actions/Studentdelete">删除学生</a>

<br />

不过，一定要遵守"约定优于配置"的原则

<br />

<a href="<%=context %>/actions/Teacher_add">添加老师</a>

<a href="<%=context %>/actions/Teacher_delete">删除老师</a>

<a href="<%=context %>/actions/Course_add">添加课程</a>

<a href="<%=context %>/actions/Course_delete">删除课程</a>

</body>

</html>

Studentadd_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>Insert title here</title>

</head>

<body>

    Student Add Success!

</body>

</html>

Studentdelete_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>Insert title here</title>

</head>

<body>

    Student Delete Success!

</body>

</html>

Teacher_add_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>Insert title here</title>

</head>

<body>

    Teacher Add Success!

</body>

</html>

Teacher_delete_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>Insert title here</title>

</head>

<body>

    Teacher Delete Success!

</body>

</html>

浏览器输入

http://localhost:6666/Struts2_0600_ActionWildcard/index.jsp

会正常跳转

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