js 验证身份证号码
//**************************************************************************** // 构造函数，变量为15位或者18位的身份证号码 function clsIDCard(CardNo) { this.Valid=false; this.ID15=''; this.ID18=''; this.Local=''; if(CardNo!=null)this.SetCardNo(CardNo); } // 设置身份证号码，15位或者18位 clsIDCard.prototype.SetCardNo = function(CardNo) { this.ID15=''; this.ID18=''; this.Local=''; CardNo=CardNo.replace(" ",""); var strCardNo; if(CardNo.length==18) { pattern= /^\d{17}(\d|x|X)$/; if (pattern.exec(CardNo)==null)return; strCardNo=CardNo.toUpperCase(); } else { pattern= /^\d{15}$/; if (pattern.exec(CardNo)==null)return; strCardNo=CardNo.substr(0,6)+'19'+CardNo.substr(6,9) strCardNo+=this.GetVCode(strCardNo); } this.Valid=this.CheckValid(strCardNo); } // 校验身份证有效性 clsIDCard.prototype.IsValid = function() { return this.Valid; } // 返回生日字符串，格式如下，1981-10-10 clsIDCard.prototype.GetBirthDate = function() { var BirthDate=''; if(this.Valid)BirthDate=this.GetBirthYear()+'-'+this.GetBirthMonth()+'-'+this.GetBirthDay(); return BirthDate; } // 返回生日中的年，格式如下，1981 clsIDCard.prototype.GetBirthYear = function() { var BirthYear=''; if(this.Valid)BirthYear=this.ID18.substr(6,4); return BirthYear; } // 返回生日中的月，格式如下，10 clsIDCard.prototype.GetBirthMonth = function() { var BirthMonth=''; if(this.Valid)BirthMonth=this.ID18.substr(10,2); if(BirthMonth.charAt(0)=='0')BirthMonth=BirthMonth.charAt(1); return BirthMonth; } // 返回生日中的日，格式如下，10 clsIDCard.prototype.GetBirthDay = function() { var BirthDay=''; if(this.Valid)BirthDay=this.ID18.substr(12,2); return BirthDay; } // 返回性别，1：男，0：女 clsIDCard.prototype.GetSex = function() { var Sex=''; if(this.Valid)Sex=this.ID18.charAt(16)%2; return Sex; } // 返回15位身份证号码 clsIDCard.prototype.Get15 = function() { var ID15=''; if(this.Valid)ID15=this.ID15; return ID15; } // 返回18位身份证号码 clsIDCard.prototype.Get18 = function() { var ID18=''; if(this.Valid)ID18=this.ID18; return ID18; } // 返回所在省，例如：上海市、浙江省 clsIDCard.prototype.GetLocal = function() { var Local=''; if(this.Valid)Local=this.Local; return Local; } clsIDCard.prototype.GetVCode = function(CardNo17) { var Wi = new Array(7,9,10,5,8,4,2,1,6,3,7,9,10,5,8,4,2,1); var Ai = new Array('1','0','X','9','8','7','6','5','4','3','2'); var cardNoSum = 0; for (var i=0; i<CardNo17.length; i++)cardNoSum+=CardNo17.charAt(i)*Wi[i]; var seq = cardNoSum%11; return Ai[seq]; } clsIDCard.prototype.CheckValid = function(CardNo18) { if(this.GetVCode(CardNo18.substr(0,17))!=CardNo18.charAt(17))return false; if(!this.IsDate(CardNo18.substr(6,8)))return false; 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"}; if(aCity[parseInt(CardNo18.substr(0,2))]==null)return false; this.ID18=CardNo18; this.ID15=CardNo18.substr(0,6)+CardNo18.substr(8,9); this.Local=aCity[parseInt(CardNo18.substr(0,2))]; return true; } clsIDCard.prototype.IsDate = function(strDate) { var r = strDate.match(/^(\d{1,4})(\d{1,2})(\d{1,2})$/); if(r==null)return false; var d= new Date(r[1], r[2]-1, r[3]); return (d.getFullYear()==r[1]&&(d.getMonth()+1)==r[2]&&d.getDate()==r[3]); }
页面部分************************************************************** <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title>身份证验证</title> <script src="idCard.js"></script> </head> <body> <script> function valiIdCard(idCard){ var checkFlag = new clsIDCard(idCard); if (!checkFlag.IsValid()) { alert("输入的身份证号无效,请输入真实的身份证号！"); document.getElementByIdx("idCard").focus(); return false; }else{ alert("正确！"); } } </script> <input id="idCard" type="text" onblur="valiIdCard(this.value)"/> </body>
本文转载于：http://www.blogjava.net/titanaly/archive/2011/08/25/357268.html
