标签：空表单信息提示
需要的jar包文件：
index.jsp源码：
<%@ page language="java" contentType="text/html; charset=GBK"%> <%@taglib prefix="s" uri="/struts-tags"%> <html> <head> <title>请输入您的注册信息</title> </head> <body> <H1>请输入您的注册信息</H1> <s:form action="regist"> <s:textfield label="用户名" name="userName"/> <s:password label="密码" name="password"/> <s:password label="请再输入一次" name="rePassword"/> <s:submit value="注册"></s:submit> </s:form> </body> </html>
<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'welcome.jsp' starting page</title>
</head>
<body>
恭喜您，注册成功！
</body>
</html><?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>
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<package name="lee" extends="struts-default">
<action name="regist" class="tom.jiafei.ZhuceAction">
<result name="success">/welcome.jsp</result>
<result name="input">/index.jsp</result>
</action>
</package>
</struts> package tom.jiafei;
import com.opensymphony.xwork2.ActionSupport;
@SuppressWarnings("serial")
public class ZhuceAction extends ActionSupport
{
private String userName;
private String password;
private String rePassword;
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;
}
public String getRePassword() {
return rePassword;
}
public void setRePassword(String rePassword) {
this.rePassword = rePassword;
}
public String execute() throws Exception {
return SUCCESS;
}
}<?xml version="1.0" encoding="GBK"?> <!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"> <param name="trim">true</param> <message>用户名不能为空</message> </field-validator> </field> <field name="password"> <field-validator type="requiredstring"> <param name="trim">true</param> <message>密码不能为空</message> </field-validator> </field> <field name="rePassword"> <field-validator type="requiredstring"> <param name="trim">true</param> <message>确认密码不能为空</message> </field-validator> <field-validator type="fieldexpression"> <param name="expression"><![CDATA[(password==rePassword)]]></param> <message>两次输入密码不一致</message> </field-validator> </field> </validators>
当两次提交的密码不一致时，运行的结果为：
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标签：空表单信息提示
原文地址：http://blog.csdn.net/zzy1078689276/article/details/47322953
