用js实现身份证校验

用js实现身份证校验 <------------------js?ìÑéÉí?ÝÖ?ÊÇ?ñºÏ??---------------------> function checkPersonIdandgetValue(control,ad_birthday,as_sex,empty){ control.value = Trim(control.value); var year; var month; var day; var ls_tmp; if( empty == "0" && (control.value == ""||control.value.length == 0)){ return true; } if (empty == "1") { if (control.value == ""||control.value.length == 0) { control.select(); alert("Éí?ÝÖ?ºÅÂëÂ?ÈëµÄÊý?Ý??ÄÜΪ?Õ" ); return false; } } if (control.value !="") { if (control.value.length==15) { year = "19"+control.value.substr(6,2); month= control.value.substr(8,2); day = control.value.substr(10,2); if (!isDateNumberFormat(month,day,year)) //?ìÑéÉí?ÝÖ?ºÅÂëÖеÄ?öÉúÈÕÆÚ???ÖÊÇ?ñΪºÏ??ÈÕÆÚ { alert("Éí?ÝÖ?ºÅÂëÈÕÆÚ???Ö?íÎó??"+year+"-"+month+"-"+day); control.select(); return false; } ls_tmp = year+"-"+month+"-"+day; ad_birthday.value=ls_tmp; if (control.value.substr(14,1)%2==1) //Éí?ÝÖ?ºÅÂëµÄ×îºóÒ?Î?ÊÇ?ñΪÆæÊý as_sex.value="1"; if (control.value.substr(14,1)%2==0) as_sex.value="2"; return true; } if (control.value.length==18) { var ls_sfz; var ls_sign=""; var ls_calculatesign; var li_valid; var li_count; var li_charp; var li_result; ls_sfz = control.value; ls_sign = ls_sfz.substr(17,1); ls_sfz = ls_sfz.substr(0,17); year = control.value.substr(6,4); month= control.value.substr(10,2); day = control.value.substr(12,2); if (!isDateNumberFormat(month,day,year)) { alert("ÊäÈëµÄÉí?ÝÖ??öÉúÄêÔÂ??ºÏ??!!!"); control.focus(); return false; } li_valid = 0; for (li_count=17;li_count>=1;li_count--) { if (isNaN(parseInt(ls_sfz.substr(li_count-1,1)))) { alert("ÊäÈëµÄÉí?ÝÖ?ÖÐÓÐ??ºÏ??µÄ×Ö?û!"); control.select(); return false; } li_valid=li_valid+(Math.pow(2,li_count)%11)*ls_sfz.substr(17-li_co unt,1); } li_charp = li_valid%11; if(li_charp==0) ls_calculatesign = "1"; if(li_charp==1) ls_calculatesign = "0"; if(li_charp==2) ls_calculatesign = "X"; if(li_charp==3) ls_calculatesign = "9"; if(li_charp==4) ls_calculatesign = "8"; if(li_charp==5) ls_calculatesign = "7"; if(li_charp==6) ls_calculatesign = "6"; if(li_charp==7) ls_calculatesign = "5"; if(li_charp==8) ls_calculatesign = "4"; if(li_charp==9) ls_calculatesign = "3"; if(li_charp==10) ls_calculatesign = "2"; if (ls_sign.length == 1 && ls_sign != ls_calculatesign) { alert("ÊäÈëµÄÉí?ÝÖ?Ð?ÑéÎ???ºÏ??!!!"); control.select(); return false; } ls_tmp = control.value.substr(6,4)+"-"+control.value.substr(10,2)+"-"+contr ol.value.substr(12,2); ad_birthday.value=ls_tmp; if (control.value.substr(16,1)%2==1) as_sex.value="1"; if (control.value.substr(16,1)%2==0) as_sex.value="2"; return true; } else { alert("Éí?ÝÖ?ºÅÂë???È?íÎó??"); control.select(); return false; } } return true; }