Struts2 配置

Struts2 必备5个jar包：

commons-logging-api-1.1.jar
freemarker-2.3.8.jar
ognl-2.6.11.jar
struts2-core-2.0.8.jar
xwork-2.0.3.jar
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src/struts.xml 配置：

<?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>
  <package name="mldn" namespace="/" extends="struts-default">  <!-- name可以随便指定  namespace指定页面的目录（/为根目录） extends指定为struts-default文件（此文件包含自动的设置和定义）-->
    <act
ion name="login" class="com.lxt.struts2.action.LoginAction">
      <result name="success">
        /view.jsp
      </result>
      <result name="error">
        /errors.jsp
      </result>
    </action>
  </package>
</struts>

 

 

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web.xml 配置

<filter>
  <filter-name>struts2</filter-name>
  <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
</filter>
<filter-mapping>
  <filter-name>struts2</filter-name>
  <url-pattern>/*</url-pattern>
</filter-mapping>

 
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jsp

<%@ taglib uri="/struts-tags" prefix="s"%>

<form action="login.action">
  <s:textfield label="姓名" name="bean.name"/> <br>
     <s:label value="密码"/>
     <s:password name="bean.pwd"/><br>
       <s:submit/>  <s:reset/>
</form>

 
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Action

public class LoginAction extends ActionSupport {
    private Struts2Bean bean = null;

    private String msg = "";

    public String execute() throws Exception {
        if (bean.getName().equals(bean.getPwd())) {
            msg = "成功登录";
            return ActionSupport.SUCCESS;
        } else {
            msg = "用户名或密码错误";
            return ActionSupport.ERROR;
        }
    }

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    public Struts2Bean getBean() {
        return bean;
    }

    public void setBean(Struts2Bean bean) {
        this.bean = bean;
    }
}