Posted in Javascript onMay 22, 2014
<!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>表单验证</title> <script language="javascript"> function check_1(param){//不为空 if(param==""||param==null){return false;}else{return true;} } function check_2(param){//长度限制,字母是10个,汉字也是10个 if(param.length>10){return false;}else{return true;} } function check_3(param){//只能输入汉字 var pattern= /^[\u4e00-\u9faf]+$/; var flag = pattern.test(param); if(flag==false){return false;}else{return true;} } function check_4(param){//只能输入数字 var pattern= /^[0-9]+$/; var flag = pattern.test(param); if(flag==false){return false;}else{return true;} } function check_5(param){//只能输入数字字母下划线 var pattern= /^[0-9a-zA-z_]+$/; var flag = pattern.test(param); if(flag==false){return false;}else{return true;} } function check_6(param){//邮箱格式验证 var pattern= /^([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+@([a-zA-Z0-9]+[_|\_|\.]?)*[a-zA-Z0-9]+\.[a-zA-Z]{2,3}$/; var flag = pattern.test(param); if(flag==false){return false;}else{return true;} } function check_7(param){//网址格式验证 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);//在这里设置验证函数的名称,我写了check_1~check_7七个常用的表单验证函数 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;"> 请输入: <input id="testValue" name="" class="" type="text" style="width:200px;height:30px;"></input> <input id="" name="" class="" type="button" value="点击验证" style="width:70px;height:30px;" onclick="check()"></input> </div> </body> </html>
JS常用表单验证方法总结
声明:登载此文出于传递更多信息之目的,并不意味着赞同其观点或证实其描述。
Reply on: @reply_date@
@reply_contents@