数据校验--demo1---bai

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input_score.jsp


<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP ‘index.jsp‘ starting page</title>
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->
  </head>
  
  <body>
        <form action="score.action" method="post">
  
  用户名：   <input name="sname" /><br/>
  成绩：   <input name="score" /><br/>
 补考成绩：   <input name="score2" /><br/>  
     <input type="submit" value="注册"/>
    </form>
  </body>
</html>

　　

showscore.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP ‘show.jsp‘ starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
    ${sname },${score }
  </body>
</html>

　　

showerror.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="/struts-tags" prefix="s"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>My JSP ‘showerror.jsp‘ starting page</title>
    
	<meta http-equiv="pragma" content="no-cache">
	<meta http-equiv="cache-control" content="no-cache">
	<meta http-equiv="expires" content="0">    
	<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
	<meta http-equiv="description" content="This is my page">
	<!--
	<link rel="stylesheet" type="text/css" href="styles.css">
	-->

  </head>
  
  <body>
    出错信息如下:<s:fielderror/>
  </body>
</html>

　　

struts.xml


<?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>
	<constant name="struts.devMode" value="true" />
	<package name="p" namespace="/" extends="struts-default">
		<action name="score" class="com.etc.action.ScoreAction">
			<result>
				/showscore.jsp		
		        </result>
			<result name="input">
				/showerror.jsp		
		        </result>
		</action>
	</package>
</struts>

　　

ScoreAction

package com.etc.action;

import com.opensymphony.xwork2.ActionSupport;

public class ScoreAction extends ActionSupport 
{
	private String sname;
	private Integer score;
	private Integer score2;
	public String getSname() {
		return sname;
	}
	public void setSname(String sname) {
		this.sname = sname;
	}
	
	/*
	@Override
	public void validate() 
	{
		if(score<0||score>60)
			this.addFieldError("score","成绩非法！");
	}
	*/
	
	public Integer getScore() {
		return score;
	}
	public void setScore(Integer score) {
		this.score = score;
	}
	public Integer getScore2() {
		return score2;
	}
	public void setScore2(Integer score2) {
		this.score2 = score2;
	}
	public String execute()
	{
		return "success";
	}
	
}

　　

ScoreAction-validation.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE validators PUBLIC 
"-//Apache Struts//XWork Validator 1.0.2//EN" 
"http://struts.apache.org/dtds/xwork-validator-1.0.2.dtd">
<validators>
 <validator type="requiredstring"><!-- 必填字符串字段 -->
 	<param name="fieldName">sname</param>
 	<message>uid不能为空</message> 
 </validator>


<validator type="required"><!-- 必填字段 -->
 	<param name="fieldName">score</param>
 	<message>score不能为空</message> 
 </validator>

<validator type="required"><!-- 必填字段 -->
 	<param name="fieldName">score2</param>
 	<message>score2不能为空</message> 
 </validator>

 
 <validator type="int">  <!-- 整数校验器 -->
 	<param name="fieldName">score</param>
 	<param name="max">100</param>
 	<param name="min">0</param>
 	<message>成绩必须在${min}-${max}之间！</message>
 </validator>
 
  <validator type="int">  <!-- 整数校验器 -->
 	<param name="fieldName">score2</param>
 	<param name="max">100</param>
 	<param name="min">60</param>
 	<message>补考成绩必须在${min}-${max}之间！</message>
 </validator>
 
</validators>

　　

validators.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE validators PUBLIC
        "-//OpenSymphony Group//XWork Validator Config 1.0//EN"
        "http://www.opensymphony.com/xwork/xwork-validator-config-1.0.dtd">

<!-- START SNIPPET: validators-default -->
<validators>
    <validator name="required" class="com.opensymphony.xwork2.validator.validators.RequiredFieldValidator"/>
    <validator name="requiredstring" class="com.opensymphony.xwork2.validator.validators.RequiredStringValidator"/>
    <validator name="int" class="com.opensymphony.xwork2.validator.validators.IntRangeFieldValidator"/>
    <validator name="long" class="com.opensymphony.xwork2.validator.validators.LongRangeFieldValidator"/>
    <validator name="short" class="com.opensymphony.xwork2.validator.validators.ShortRangeFieldValidator"/>
    <validator name="double" class="com.opensymphony.xwork2.validator.validators.DoubleRangeFieldValidator"/>
    <validator name="date" class="com.opensymphony.xwork2.validator.validators.DateRangeFieldValidator"/>
    <validator name="expression" class="com.opensymphony.xwork2.validator.validators.ExpressionValidator"/>
    <validator name="fieldexpression" class="com.opensymphony.xwork2.validator.validators.FieldExpressionValidator"/>
    <validator name="email" class="com.opensymphony.xwork2.validator.validators.EmailValidator"/>
    <validator name="url" class="com.opensymphony.xwork2.validator.validators.URLValidator"/>
    <validator name="visitor" class="com.opensymphony.xwork2.validator.validators.VisitorFieldValidator"/>
    <validator name="conversion" class="com.opensymphony.xwork2.validator.validators.ConversionErrorFieldValidator"/>
    <validator name="stringlength" class="com.opensymphony.xwork2.validator.validators.StringLengthFieldValidator"/>
    <validator name="regex" class="com.opensymphony.xwork2.validator.validators.RegexFieldValidator"/>
    <validator name="conditionalvisitor" class="com.opensymphony.xwork2.validator.validators.ConditionalVisitorFieldValidator"/>
    <validator name="myusername" class="com.etc.validator.MyUsernameValidator"/>
</validators>
<!--  END SNIPPET: validators-default -->

　　

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