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Struts2 第一个入门案例

2017-10-22 09:33 525 查看
jar:

<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.3</version>
<scope>test</scope>
</dependency>

<!--获取ServletAPI-->
<dependency>
<groupId>javaee</groupId>
<artifactId>javaee-api</artifactId>
<version>5</version>
</dependency>

<dependency>
<groupId>org.apache.struts</groupId>
<artifactId>struts2-core</artifactId>
<version>2.3.4.1</version>
</dependency>

<dependency>
<groupId>org.apache.struts.xwork</groupId>
<artifactId>xwork-core</artifactId>
<version>2.3.4.1</version>
</dependency>


web.xml

<!--Struts2 核心过滤器-->
<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>


struts.xml:

<!--Struts2 核心过滤器-->
<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>


action类:

package cn.bdqn.action;

import com.opensymphony.xwork2.Action;

public class UserAction implements Action {
public String execute() throws Exception {

return SUCCESS;
}
}


struts标签页面:

<%@ taglib prefix="s" uri="/struts-tags" %>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<s:form method="POST" action="userAction">
<%--性能低--%>
请输入用户名: <s:textfield  name="username"></s:textfield> <br/>
<s:textfield name="password"></s:textfield><br/>
<s:submit value="登陆"></s:submit>
</s:form>
</body>
</html>
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