struts2 Java Web开发环境
- 列表内容
- 安装tomcat
- 配置环境
Java Web环境配置
Web工程
-新建一个web工程,工程名为WebappTest
-导入struts2的基础jar包
-struts2的配置和示例
-编写Action类和配置文件
编写action类
package com.example.action;
import java.io.Serializable;
import com.opensymphony.xwork2.ActionSupport;
public class HelloAction extends ActionSupport implements Serializable{
private String message;
public String getMessage() {
return message;
}
public void setMessage(String message) {
this.message = message;
}
public String sayHello();
message = "Hello Struts2";
return SUCCESS;
}
}编写action处理后跳转的jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
${message}
</body>
</html>在src目录下新建struts.xml配置文件
编写struts.xml文件
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<package name="song" namespace="/test" extends="struts-default">
<action name="hellostruts2" class="com.example.action.HelloAction" method="sayHello">
<result name="success">/success.jsp</result>
</action>
</package>
</struts>在web.xml配置文件下添加配置项
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="3.0"
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_3_0.xsd">
<display-name></display-name>
<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>