代码结构:

Structs2 校验框架-LMLPHP

使用Struts校验框架,保证输入学生的基本信息:学号、姓名、性别、出生年月、专业、总学分等,要求输入满足以下条件:
(1) 学号前两位大于“13”并且后面4位必须为数字;
(2) 出生年月必须保证年龄大于等于18岁;
(3) 专业不能为空;
(4) 总学分在0-80之间。


RegistAction.java
package com.action;
import java.util.*; import com.bean.User;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport; public class RegistAction extends ActionSupport {
private User user;
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
public String execute() throws Exception { if(hasErrors()){
return INPUT;
}
return SUCCESS;
}
public void validate(){
Calendar cal = Calendar.getInstance();
String[] str = user.getBir().split("-"); int yearNow = cal.get(Calendar.YEAR);
int monthNow = cal.get(Calendar.MONTH)+1;
int dayNow = cal.get(Calendar.DAY_OF_MONTH); int yearBirth=Integer.parseInt(str[0]);
int monthBirth=Integer.parseInt(str[1]);
int dayBirth=Integer.parseInt(str[2]); int age=yearNow-yearBirth;
if(monthNow<=monthBirth || (monthNow == monthBirth && dayNow < dayBirth)) age--;
if(age < 18){
addFieldError("user.bir", "出生年月必须保证年龄大于等于18岁!");//QAQ
}
} }

RegistAction-validation.xml

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE validators PUBLIC
"-//Apache Struts//XWork Validator 1.0.3//EN"
"http://struts.apache.org/dtds/xwork-validator-1.0.3.dtd"> <validators>
<field name="user.id">
<field-validator type="regex">
<param name="expression"><![CDATA[(^(1[4-9]|[2-9][0-9]\d).*\d{4}$)]]></param>
<message>学号前两位大于“13”并且后面4位必须为数字!</message>
</field-validator> <field-validator type="requiredstring">
<param name="trim">true</param>
<message>学号不能为空!</message>
</field-validator>
</field> <field name="user.major">
<field-validator type="requiredstring">
<param name="trim">true</param>
<message>专业不能为空!</message>
</field-validator>
</field> <field name="user.score">
<field-validator type="required">
<message>请输入用户考试成绩</message>
</field-validator>
<field-validator type="int">
<param name="min">0</param>
<param name="max">80</param>
<message>学分必须在0-80之间!</message>
</field-validator>
</field> </validators>
User.java
package com.bean;
import java.util.Date;
import com.bean.*;
public class User {
//学号、姓名、性别、出生年月、专业、总学分等
private String id;
private String username;
private String agender;
private String bir; //生日类/自定义类型转换/将生日的年月取出方便计算年龄
private int age;
private String major;
private int score;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getAgender() {
return agender;
}
public void setAgender(String agender) {
this.agender = agender;
}
public String getBir() {
return bir;
}
public void setBir(String bir) {
this.bir = bir;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getMajor() {
return major;
}
public void setMajor(String major) {
this.major = major;
}
public int getScore() {
return score;
}
public void setScore(int score) {
this.score = score;
} }
<?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="default" extends="struts-default">
<action name="myform" class="com.action.RegistAction">
<result name="success">/success.jsp</result>
<result name="input">/index.jsp</result>
</action>
</package>
</struts>

index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@taglib uri="/struts-tags" prefix="s" %> <html>
<head>
<title>注册页面</title>
<!-- <script type="text/javascript"> -->
<!-- function validateAge(){ -->
<!-- var birthday=$('#user.age').val(); //假设用户输入的是这种格式 birthday="2017-10-11" -->
<!-- var birthday1=birthday.split('-'); -->
<!-- var convert2Date= new Date(birthday1[0],birthday1[1],birthday1[2]);//把字符串转换成日期 -->
<!-- var nowDate=new Date(); //获取当前时间 -->
<!-- //var year=nowDate.getFullYear(); -->
<!-- //var month=nowDate.getMonth()+1; -->
<!-- //var date=nowDate.getDate(); -->
<!-- //var nowDate=new Date(year,month,date); -->
<!-- var age=nowDate.getTime()-convert2Date.getTime(); //毫秒 -->
<!-- age=age/(24*3600*1000); //天数 至于转换成多少年(岁),详细的还要根据是否闰年计算 age/(24*3600*1000*366) 或者 age/(24*3600*1000*365) -->
<!-- } -->
<!-- </script> -->
</head>
<body>
<s:form action="myform" method="post">
<s:textfield name="user.id" label="学号"></s:textfield>
<s:textfield name="user.username" label="姓名"></s:textfield>
<s:radio name="user.agender" list="#{1:'男',0:'女'}" label="性别" value="1"></s:radio>
<s:textfield name="user.bir" label="生日" placeholder="xxxx-xx-xx"></s:textfield>
<!-- <s:hidden name="user.age" label="年龄"></s:hidden> -->
<s:textfield name="user.major" label="专业"></s:textfield>
<s:textfield name="user.score" label="总学分"></s:textfield>
<s:submit value="提交"></s:submit>
</s:form>
</body>
</html>

success.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@taglib uri="/struts-tags" prefix="s" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>成功页面</title>
</head> <body>
恭喜<s:property value="user.username"/>!您已经注册成功!
</body>
</html>
05-11 11:05
查看更多