JS集锦

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一、验证类


1、数字验证


  1.1 整数

      /^(-|/+)?/d+$/.test(str)


 1.2 大于0的整数 (用于传来的ID的验证)


      /^/d+$/.test(str)


 

1.3 负整数的验证

      /^-/d+$/.test(str)


2、时间类

  2.1 短时间,形如 (13:04:06)


      function isTime(str)
      {
        var a = str.match(/^(/d{1,2})(:)?(/d{1,2})/2(/d{1,2})$/);
        if (a == null) {alert('输入的参数不是时间格式'); return false;}
        if (a[1]>24 || a[3]>60 || a[4]>60)
        {
          alert("时间格式不对");
          return false
        }
        return true;
      }
 

2.2 短日期,形如 (2003-12-05)


      function strDateTime(str)
      {
         var r = str.match(/^(/d{1,4})(-|//)(/d{1,2})/2(/d{1,2})$/);
         if(r==null)return false;
         var d= new Date(r[1], r[3]-1, r[4]);
         return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]);
      }
 

2.3 长时间,形如 (2003-12-05 13:04:06)


      function strDateTime(str)
      {
        var reg = /^(/d{1,4})(-|//)(/d{1,2})/2(/d{1,2}) (/d{1,2}):(/d{1,2}):(/d{1,2})$/;
        var r = str.match(reg);
        if(r==null)return false;
        var d= new Date(r[1], r[3]-1,r[4],r[5],r[6],r[7]);
        return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[3]&&d.getDate()==r[4]&&d.getHours()==r[5]&&d.getMinutes()==r[6]&&d.getSeconds()==r[7]);
      }

3、表单类

 

3.1 所有的表单的值都不能为空


      <input onblur="if(this.value.replace(/^/s+|/s+$/g,'')=='')alert('不能为空!')">

4、字符类

  4.1 判断字符全部由a-Z或者是A-Z的字字母组成

      <input onblur="if(/[^a-zA-Z]/g.test(this.value))alert('有错')">
 

4.2 判断字符由字母和数字组成。


      <input onblur="if(/[^0-9a-zA-Z]/g.test(this.value))alert('有错')">

  4.3 判断字符由字母和数字,下划线,点号组成.且开头的只能是下划线和字母

      /^([a-zA-z_]{1})([/w]*)$/g.test(str)

  4.4 字符串替换函数.Replace();


5、浏览器类


  5.1 判断浏览器的类型
      window.navigator.appName
  5.2 判断ie的版本
      window.navigator.appVersion
  5.3 判断客户端的分辨率
      window.screen.height;  window.screen.width;
 
6、结合类
  6.1 email的判断。
      function ismail(mail)
      {
        return(new RegExp(/^/w+((-/w+)|(/./w+))*/@[A-Za-z0-9]+((/.|-)[A-Za-z0-9]+)*/.[A-Za-z0-9]+$/).test(mail));
      }


  6.2 身份证的验证
      function isIdCardNo(num)
      {
        if (isNaN(num)) {alert("输入的不是数字!"); return false;}
        var len = num.length, re;
        if (len == 15)
          re = new RegExp(/^(/d{6})()?(/d{2})(/d{2})(/d{2})(/d{3})$/);
        else if (len == 18)
          re = new RegExp(/^(/d{6})()?(/d{4})(/d{2})(/d{2})(/d{3})(/d)$/);
        else {alert("输入的数字位数不对!"); return false;}
        var a = num.match(re);
        if (a != null)
        {
          if (len==15)
          {
            var D = new Date("19"+a[3]+"/"+a[4]+"/"+a[5]);
            var B = D.getYear()==a[3]&&(D.getMonth()+1)==a[4]&&D.getDate()==a[5];
          }
          else
          {
            var D = new Date(a[3]+"/"+a[4]+"/"+a[5]);
            var B = D.getFullYear()==a[3]&&(D.getMonth()+1)==a[4]&&D.getDate()==a[5];
          }
          if (!B) {alert("输入的身份证号 "+ a[0] +" 里出生日期不对!"); return false;}
        }
        return true;
      }


3.7 复选框的全选,多选,全不选,反选
<form name=hrong>
<input type=checkbox name=All onclick="checkAll('mm')">全选<br/>
<input type=checkbox name=mm onclick="checkItem('All')"><br/>
<input type=checkbox name=mm onclick="checkItem('All')"><br/>
<input type=checkbox name=mm onclick="checkItem('All')"><br/>
<input type=checkbox name=mm onclick="checkItem('All')"><br/>
<input type=checkbox name=mm onclick="checkItem('All')"><br/><br/>


<input type=checkbox name=All2 onclick="checkAll('mm2')">全选<br/>
<input type=checkbox name=mm2 onclick="checkItem('All2')"><br/>
<input type=checkbox name=mm2 onclick="checkItem('All2')"><br/>
<input type=checkbox name=mm2 onclick="checkItem('All2')"><br/>
<input type=checkbox name=mm2 onclick="checkItem('All2')"><br/>
<input type=checkbox name=mm2 onclick="checkItem('All2')"><br/>

</form>

<SCRIPT LANGUAGE="java script">
function checkAll(str)
{
  var a = document.getElementsByName(str);
  var n = a.length;
  for (var i=0; i<n; i++)
  a[i].checked = window.event.srcElement.checked;
}
function checkItem(str)
{
  var e = window.event.srcElement;
  var all = eval("document.hrong."+ str);
  if (e.checked)
  {
    var a = document.getElementsByName(e.name);
    all.checked = true;
    for (var i=0; i<a.length; i++)
    {
      if (!a[i].checked){ all.checked = false; break;}
    }
  }
  else all.checked = false;
}
</SCRIPT>

3.8 文件上传过程中判断文件类型
<input type=file onchange="alert(this.value.match(/^(.*)(/.)(.{1,8})$/)[3])">

画图:
<OBJECT
id=S
style="LEFT: 0px; WIDTH: 392px; TOP: 0px; HEIGHT: 240px"
height=240
width=392
classid="clsid:369303C2-D7AC-11D0-89D5-00A0C90833E6">
</OBJECT>
<SCRIPT>
S.DrawingSurface.ArcDegrees(0,0,0,30,50,60);
S.DrawingSurface.ArcRadians(30,0,0,30,50,60);
S.DrawingSurface.Line(10,10,100,100);
</SCRIPT>

写注册表:
<SCRIPT>
var WshShell = WScript.CreateObject("WScript.Shell");
WshShell.RegWrite ("HKCU//Software//ACME//FortuneTeller//", 1, "REG_BINARY");
WshShell.RegWrite ("HKCU//Software//ACME//FortuneTeller//MindReader", "Goocher!", "REG_SZ");
var bKey =    WshShell.RegRead ("HKCU//Software//ACME//FortuneTeller//");
WScript.Echo (WshShell.RegRead ("HKCU//Software//ACME//FortuneTeller//MindReader"));
WshShell.RegDelete ("HKCU//Software//ACME//FortuneTeller//MindReader");
WshShell.RegDelete ("HKCU//Software//ACME//FortuneTeller//");
WshShell.RegDelete ("HKCU//Software//ACME//");
</SCRIPT>

TABLAE相关(客户端动态增加行列)
<HTML>
<SCRIPT LANGUAGE="JScript">
function numberCells() {
    var count=0;
    for (i=0; i < document.all.mytable.rows.length; i++) {
        for (j=0; j < document.all.mytable.rows(i).cells.length; j++) {
            document.all.mytable.rows(i).cells(j).innerText = count;
            count++;
        }
    }
}
</SCRIPT>
<BODY onload="numberCells()">
<TABLE id=mytable border=1>
<TR><TH>&nbsp;</TH><TH>&nbsp;</TH><TH>&nbsp;</TH><TH>&nbsp;</TH></TR>
<TR><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD></TR>
<TR><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD><TD>&nbsp;</TD></TR>
</TABLE>
</BODY>
</HTML>

1.身份证严格验证:

<script>
var aCity={11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"辽宁",22:"吉林",23:"黑龙江",31:"上海",32:"江苏",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山东",41:"河南",42:"湖北",43:"湖南",44:"广东",45:"广西",46:"海南",50:"重庆",51:"四川",52:"贵州",53:"云南",54:"西藏",61:"陕西",62:"甘肃",63:"青海",64:"宁夏",65:"新疆",71:"台湾",81:"香港",82:"澳门",91:"国外"}
 


function cidInfo(sId){
var iSum=0
var info=""
if(!/^/d{17}(/d|x)$/i.test(sId))return false;
sId=sId.replace(/x$/i,"a");
if(aCity[parseInt(sId.substr(0,2))]==null)return "Error:非法地区";
sBirthday=sId.substr(6,4)+"-"+Number(sId.substr(10,2))+"-"+Number(sId.substr(12,2));
var d=new Date(sBirthday.replace(/-/g,"/"))
if(sBirthday!=(d.getFullYear()+"-"+ (d.getMonth()+1) + "-" + d.getDate()))return "Error:非法生日";
for(var i = 17;i>=0;i --) iSum += (Math.pow(2,i) % 11) * parseInt(sId.charAt(17 - i),11)
if(iSum%11!=1)return "Error:非法证号";
return aCity[parseInt(sId.substr(0,2))]+","+sBirthday+","+(sId.substr(16,1)%2?"男":"女")
}

document.write(cidInfo("380524198002300016"),"<br/>");
document.write(cidInfo("340524198002300019"),"<br/>")
document.write(cidInfo("340524197711111111"),"<br/>")
document.write(cidInfo("34052419800101001x"),"<br/>");
</script>

2.验证IP地址
<SCRIPT LANGUAGE="java script">
function isip(s){
var check=function(v){try{return (v<=255 && v>=0)}catch(x){return false}};
var re=s.split(".")
return (re.length==4)?(check(re[0]) && check(re[1]) && check(re[2]) && check(re[3])):false
}

var s="202.197.78.129";
alert(isip(s))
</SCRIPT>



3.加sp1后还能用的无边框窗口!!
<HTML XMLNS:IE>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<IE:Download ID="include" STYLE="behavior:url(#default#download)" />
<title>Chromeless Window</title>

<SCRIPT LANGUAGE="JScript">
/*--- Special Thanks For andot ---*/

/*
This following code are designed and writen by Windy_sk <seasonx@163.net>
You can use it freely, but u must held all the copyright items!
*/

/*--- Thanks For andot Again ---*/

var CW_width = 400;
var CW_height = 300;
var CW_top = 100;
var CW_left = 100;
var CW_url = "/";
var New_CW = window.createPopup();
var CW_Body = New_CW.document.body;
var content = "";
var CSStext = "margin:1px;color:black; border:2px outset;border-style:expression(onmouseout=onmouseup=function(){this.style.borderStyle='outset'}, onmousedown=function(){if(event.button!=2)this.style.borderStyle='inset'});background-color:buttonface;width:16px;height:14px;font-size:12px;line-height:11px;cursor:Default;";

//Build Window
include.startDownload(CW_url, function(source){content=source});

function insert_content(){
var temp = "";
CW_Body.style.overflow  = "hidden";
CW_Body.style.backgroundColor = "white";
CW_Body.style.border  =  "solid black 1px";
content = content.replace(/<a ([^>]*)>/g,"<a onclick='parent.open(this.href);return false' $1>");
temp += "<table width=100% height=100% cellpadding=0 cellspacing=0 border=0>";
temp += "<tr style=';font-size:12px;background:#0099CC;height:20;cursor:default' ondblclick=/"Max.innerText=Max.innerText=='1'?'2':'1';parent.if_max=!parent.if_max;parent.show_CW();/" onmouseup='parent.drag_up(event)' onmousemove='parent.drag_move(event)' onmousedown='parent.drag_down(event)' onselectstart='return false' oncontextmenu='return false'>";
temp += "<td style='color:#ffffff;padding-left:5px'>Chromeless Window For IE6 SP1</td>";
temp += "<td style='color:#ffffff;padding-right:5px;' align=right>";
temp += "<span id=Help  onclick=/"alert('Chromeless Window For IE6 SP1  -  Ver 1.0//n//nCode By Windy_sk//n//nSpecial Thanks For andot')/" style=/""+CSStext+"font-family:System;padding-right:2px;/">?</span>";
temp += "<span id=Min   onclick='parent.New_CW.hide();parent.blur()' style=/""+CSStext+"font-family:Webdings;/" title='Minimum'>0</span>";
temp += "<span id=Max   onclick=/"this.innerText=this.innerText=='1'?'2':'1';parent.if_max=!parent.if_max;parent.show_CW();/" style=/""+CSStext+"font-family:Webdings;/" title='Maximum'>1</span>";
temp += "<span id=Close onclick='parent.opener=null;parent.close()' style=/""+CSStext+"font-family:System;padding-right:2px;/" title='Close'>x</span>";
temp += "</td></tr><tr><td colspan=2>";
temp += "<div id=include style='overflow:scroll;overflow-x:hidden;overflow-y:auto; HEIGHT: 100%; width:"+CW_width+"'>";
temp += content;
temp += "</div>";
temp += "</td></tr></table>";
CW_Body.innerHTML = temp;
}

setTimeout("insert_content()",1000);

var if_max = true;
function show_CW(){
window.moveTo(10000, 10000);
if(if_max){
  New_CW.show(CW_top, CW_left, CW_width, CW_height);
  if(typeof(New_CW.document.all.include)!="undefined"){
   New_CW.document.all.include.style.width = CW_width;
   New_CW.document.all.Max.innerText = "1";
  }
 
}else{
  New_CW.show(0, 0, screen.width, screen.height);
  New_CW.document.all.include.style.width = screen.width;
}
}

window.onfocus  = show_CW;
window.onresize = show_CW;

// Move Window
var drag_x,drag_y,draging=false

function drag_move(e){
if (draging){
  New_CW.show(e.screenX-drag_x, e.screenY-drag_y, CW_width, CW_height);
  return false;
}
}

function drag_down(e){
if(e.button==2)return;
if(New_CW.document.body.offsetWidth==screen.width && New_CW.document.body.offsetHeight==screen.height)return;
drag_x=e.clientX;
drag_y=e.clientY;
draging=true;
e.srcElement.setCapture();
}

function drag_up(e){
draging=false;
e.srcElement.releaseCapture();
if(New_CW.document.body.offsetWidth==screen.width && New_CW.document.body.offsetHeight==screen.height) return;
CW_top  = e.screenX-drag_x;
CW_left = e.screenY-drag_y;
}

</SCRIPT>
</HTML>

电话号码的验证

要求:
  (1)电话号码由数字、"("、")"和"-"构成
  (2)电话号码为3到8位
  (3)如果电话号码中包含有区号,那么区号为三位或四位
  (4)区号用"("、")"或"-"和其他部分隔开
  (5)移动电话号码为11或12位,如果为12位,那么第一位为0
  (6)11位移动电话号码的第一位和第二位为"13"
  (7)12位移动电话号码的第二位和第三位为"13"
  根据这几条规则,可以与出以下正则表达式:
  (^[0-9]{3,4}/-[0-9]{3,8}$)|(^[0-9]{3,8}$)|(^/([0-9]{3,4}/)[0-9]{3,8}$)|(^0{0,1}13[0-9]{9}$)


<script language="java script">
function PhoneCheck(s) {
var str=s;
var reg=/(^[0-9]{3,4}/-[0-9]{3,8}$)|(^[0-9]{3,8}$)|(^/([0-9]{3,4}/)[0-9]{3,8}$)|(^0{0,1}13[0-9]{9}$)/
alert(reg.test(str));
}
</script>
<input type=text name="iphone">
<input type=button onclick="PhoneCheck(document.all.iphone.value)" value="Check">

具有在输入非数字字符不回显的效果,即对非数字字符的输入不作反应。
function numbersonly(field,event){
var key,keychar;
if(window.event){
  key = window.event.keyCode;
}
else if (event){
  key = event.which;
}
else{
  return true
}
keychar = String.fromCharCode(key);
if((key == null)||(key == 0)||(key == 8)||(key == 9)||(key == 13)||(key == 27)){
  return true;
}
else if(("0123456789.").indexOf(keychar)>-1){
  window.status = "";
  return true;
}
else {
  window.status = "Field excepts numbers only";
  return false;
}
}

验证ip

str=document.RegExpDemo.txtIP.value;
if(/^(/d{1,3})/.(/d{1,3})/.(/d{1,3})/.(/d{1,3})$/.test(str)==false)
{
window.alert('错误的IP地址格式');
document.RegExpDemo.txtIP.select();
document.RegExpDemo.txtIP.focus();
return;
}
if(RegExp.$1<1 || RegExp.$1>254||RegExp.$2<0||RegExp.$2>254||RegExp.$3<0||RegExp.$3>254||RegExp.$4<1||RegExp.$4>254)
{
window.alert('错误的IP地址');
document.RegExpDemo.txtIP.select();
document.RegExpDemo.txtIP.focus();
return;
}
//剔除 如  010.020.020.03 前面 的0
var str=str.replace(/0(/d)/g,"$1");
str=str.replace(/0(/d)/g,"$1");
window.alert(str);
 

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