c語言18位身份證驗證碼?js 校驗方法//身份證号合法性驗證，我來為大家科普一下關于c語言18位身份證驗證碼?以下内容希望對你有幫助!

c語言18位身份證驗證碼

js 校驗方法

//身份證号合法性驗證

//支持15位和18位身份證号

//支持地址編碼、出生日期、校驗位驗證

function IdentityCode(code){ var city={11:"北京",12:"天津",13:"河北",14:"山西",15:"内蒙古",21:"遼甯",22:"吉林",23:"黑龍江 ",31:"上海",32:"江蘇",33:"浙江",34:"安徽",35:"福建",36:"江西",37:"山東",41:"河南",42:"湖北 ",43:"湖南",44:"廣東",45:"廣西",46:"海南",50:"重慶",51:"四川",52:"貴州",53:"雲南",54:"西藏 ",61:"陝西",62:"甘肅",63:"青海",64:"甯夏",65:"新疆",71:"台灣",81:"香港",82:"澳門",91:"國外 "}; var pass = true; var msg = "驗證成功"; //驗證身份證格式（6個地區編碼，8位出生日期，3位順序号，1位校驗位） if(!code || !/^\d{6}(18|19|20)?\d{2}(0[1-9]|1[012])(0[1-9]|[12]\d|3[01])\d{3}(\d|[xX])$/.test(code)){ pass=false; msg = "身份證号格式錯誤"; }else if(!city[code.substr(0,2)]){ pass=false; msg = "身份證号地址編碼錯誤"; }else{ //18位身份證需要驗證最後一位校驗位 if(code.length == 18){ code = code.split(''); //∑(ai×Wi)(mod 11) //加權因子 var factor = [ 7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 ]; //校驗位 var parity = [ 1, 0, 'X', 9, 8, 7, 6, 5, 4, 3, 2 ]; var sum = 0; var ai = 0; var wi = 0; for (var i = 0; i < 17; i ) { ai = code[i]; wi = factor[i]; sum = ai * wi; } if(parity[sum % 11] != code[17].toUpperCase()){ pass=false; msg = "身份證号校驗位錯誤"; } } } return pass ; }

IdentityCode("530101199001011911") ； // true: 身份證校驗成功 false:身份證校驗錯誤