日期:2014-05-17  浏览次数:20738 次

请问各位大虾我写的这个 日期验证不好使怎么改?小弟刚学js
<html>
<head>
<script language="Javascript">
function commitCheck() {
 if(!checkName()) {
  return false;
 } else if(!checkPasswor()){
  return false;
 } else if(!checkMail()){
  return false;
 } else if(!checkPhone()){
  return false;
 } else if(!isTime1()){
  return false;
 }
 {
  // submit
  return true;
 }
}
function checkName(){
 var obj = document.getElementById("n");
 var s = obj.value;
 s = trim(s);
 if(s.length==0){
  alert("用户名不能为空");
  obj.focus();
  return false;
 } else {
  return true;
 }
}
function checkPasswor(){
 var obj = document.getElementById("p");
 var obj2 = document.getElementById("r");
 var s = obj.value;
 var s2 = obj2.value;
 if(s.length==0){
  alert("密码不能为空");
  obj.value = "";
  obj2.value = "";
  obj.focus();
  return false;
 } else if(s != s2){
  alert("密码无效");
  obj.value = "";
  obj2.value = "";
  obj.focus();
  return false;
 } else {
  return true;
 }
}
function checkMail(){
 var obj = document.getElementById("m");
 var s = obj.value;
 s = trim(s);
 var reg = /^[A-Za-z0-9_\-]+@[A-Za-z0-9_\-]+\.[A-Za-z0-9_\-]+$/;
 if(s.length > 0 && !s.match(reg)){
  alert("电子邮件无效");
  obj.focus();
  return false;
 }else{
  return true;
 }
}
function checkPhone(){
 var obj = document.getElementById("ph");
 var s = obj.value;
 s = trim(s);
 var reg = /^[0-9]*$/;
 if( !s.match(reg)){
  alert("电话请输入数字");
  obj.focus();
  return false;
 }
}
function isTime1(str) 
{
var obj = document.getElementById("date");
var rr = obj.value;
rr = trim();
var rr=/^(?:19|20)[0-9][0-9]-(?:(?:0[1-9])|(?:1[0-2]))-(?:(?:[0-2][1-9])|(?:[1-3][0-1])) (?:(?:[0-2][0-3])|(?:[0-1][0-9])):[0-5][0-9]:[0-5][0-9]$/  
if(!rr.test(form.date.value))  
{  
alert('请输入正确的时间格式,如:2011-01-27 22:12:00');  
form.date.focus();  
return false;  
}  
alert('ok!');  
return true; 
}
function trim(s){
 var start = 0;
 var end = 0;
 var leng = s.length;
 var findStart = false;
 var index ;
 for(index=0; index<leng;index++){
  if( s.charAt(index) == ' ' ) {
   
  } else {
  if(!findStart){
  start = index;
  findStart = true;
  }
  end = index + 1;
  }
 }
 return s.substring(start,end);
}
</script>
</head>
<body>
<form>
  <table>
  <tr>
  <td align="right">用户名:</td>
  <td align="left"><input id="n" type="text" maxLength="40"/></td>
  </tr>
<tr>
<td align="right">性别:</td>
  <td align="left"><input type="radio" name="sex"