新增有关检查数据的JavaScript代码
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//去左空格;
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function ltrim(s){
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return s.replace( /^\s*/, "");
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}
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//去右空格;
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function rtrim(s){
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return s.replace( /\s*$/, "");
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}
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//去左右空格;
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function trim(s){
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return rtrim(ltrim(s));
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}
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//是否为空值;
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function IsEmpty(_str){
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var tmp_str = trim(_str);
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return tmp_str.length == 0;
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}
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//是否有效的Email;
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function IsMail(_str){
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var tmp_str = trim(_str);
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var pattern = /^[_a-z0-9-]+(.[_a-z0-9-]+)*@[a-z0-9-]+(.[a-z0-9-]+)*$/;
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return pattern.test(tmp_str);
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}
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//是否有效的数字;
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function IsNumber(_str){
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var tmp_str = trim(_str);
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var pattern = /^[0-9]/;
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return pattern.test(tmp_str);
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}
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//是否有效的颜色值;
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function IsColor(color){
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var temp=color;
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if (temp=="") return true;
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if (temp.length!=7) return false;
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return (temp.search(/\#[a-fA-F0-9]{6}/) != -1);
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}
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//是否有效的链接;
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function IsURL(url){
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var sTemp;
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var b=true;
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sTemp=url.substring(0,7);
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sTemp=sTemp.toUpperCase();
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if ((sTemp!="HTTP://")||(url.length<10)){
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b=false;
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}
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return b;
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}
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//是否有效的手机号码;
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function IsMobile(_str){
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var tmp_str = trim(_str);
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var pattern = /13\d{9}/;
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return pattern.test(tmp_str);
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}
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