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Login-validation.xmlµÄÎļþÄÚÈÝÈçÏ£º
<!DOCTYPE validators PUBLIC "-//OpenSymphony Group//XWork Validator 1.0.2//EN" "http://www.opensymphony.com/xwork/xwork-validator-1.0.2.dtd">
<validators>
<field name="userName">
<field-validator type="requiredstring">
<message>User Name is required.</message>
</field-validator>
</field>
<field name="password">
<field-validator type="requiredstring">
<message key="password.required" />
</field-validator>
</field>
</validators>
field±êÇ©ÔªËØ°üº¬ÐèÒªÑéÖ¤µÄ±íµ¥ÊôÐÔÃû¡£field-validator±êÇ©ÔªËØ°üº¬µÄÊÇÐèÒªÖ´ÐеÄУÑéÀàÐÍ¡£
¿ÉÒÔͨ¹ýmessage±êÇ©ÔªËØÖ±½ÓÖ¸¶¨´íÎóÐÅÏ¢£¬Ò²¿ÉÒÔͨ¹ýmessage±êÇ©ÔªËØµÄkeyÊôÐÔ£¬½«ÔÚÊôÐÔÎļþÖж¨ÒåµÄ´íÎóÐÅÏ¢Ö¸¶¨µ½Ó¦ÓõĴíÎóÐÅÏ¢ÉÏ¡£
×¢ÒâÊôÐÔÎļþÃûÒªºÍ¶¯×÷(action)ÀàÃûÏàͬ¡£
ÏÂÃæÊÇLogin¶¯×÷(action)µÄÄÚÈÝ£º
public class Login extends ActionSupport {

private String userName;
private String password;
public Login() {
}

public String execute() {
return SUCCESS;
}
public String getUserName() {
return userName;
}
public void setUserName(String userName) {
this.userName = userName;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
}


ÏÂÃæÊÇlogin.jspÒ³Ãæ°üº¬µÄÄÚÈÝ£º
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<%@taglib uri="/struts-tags" prefix="s" %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Login Page</


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