<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>表單驗(yàn)證</title> <script language="javascript"> function check_1(param){//不為空 if(param==""||param==null){return false;}else{return true;} } function check_2(param){//長度限制,字母是10個,漢字也是10個 if(param.length>10){return false;}else{return true;} } function check_3(param){//只能輸入漢字 var pattern= /^[/u4e00-/u9faf]+$/; var flag = pattern.test(param); if(flag==false){return false;}else{return true;} } function check_4(param){//只能輸入數(shù)字 var pattern= /^[0-9]+$/; var flag = pattern.test(param); if(flag==false){return false;}else{return true;} } function check_5(param){//只能輸入數(shù)字字母下劃線 var pattern= /^[0-9a-zA-z_]+$/; var flag = pattern.test(param); if(flag==false){return false;}else{return true;} } function check_6(param){//郵箱格式驗(yàn)證 var pattern= /^([a-zA-Z0-9]+[_|/_|/.]?)*[a-zA-Z0-9]+@([a-zA-Z0-9]+[_|/_|/.]?)*[a-zA-Z0-9]+/.[a-zA-Z]{2,3}$/; var flag = pattern.test(param); if(flag==false){return false;}else{return true;} } function check_7(param){//網(wǎng)址格式驗(yàn)證 var pattern= /^((https|http|ftp|rtsp|mms)?:////)?(([0-9a-z_!~*'().&=+$%-]+: )?[0-9a-z_!~*'().&=+$%-]+@)?(([0-9]{1,3}/.){3}[0-9]{1,3}|([0-9a-z_!~*'()-]+/.)*([0-9a-z][0-9a-z-]{0,61})?[0-9a-z]/.[a-z]{2,6})(:[0-9]{1,4})?((//?)|(//[0-9a-z_!~*'().;?:@&=+$,%#-]+)+//?)$/; var flag = pattern.test(param); if(flag==false){return false;}else{return true;} } function check(){ var value=document.getElementById("testValue").value; var result=check_7(value);//在這里設(shè)置驗(yàn)證函數(shù)的名稱,我寫了check_1~check_7七個常用的表單驗(yàn)證函數(shù) if(result==false){ document.getElementById("testValue").style.border="2px solid red"; }else{ //document.getElementById("testValue").style.border="2px solid green"; document.getElementById("testValue").style.border=""; } } </script> </head> <body> <div style="text-align: center;padding: 200px 0;"> 請輸入: <input id="testValue" name="" class="" type="text" style="width:200px;height:30px;"></input> <input id="" name="" class="" type="button" value="點(diǎn)擊驗(yàn)證" style="width:70px;height:30px;" onclick="check()"></input> </div> </body> </html>