使用JavaScript驗證身份證的代碼如下：
將代碼放到JS直接調用即可應用到網頁中。
?1?<script>
?2??function
?checkIdcard(idcard1){
?3??var?idcard=document.forms[0
].elements[idcard1].value;
?4??var?Errors=new
?Array(
?5??"驗證通過!"
,
?6??"身份證號碼位數不對!"
,
?7??"身份證號碼出生日期超出范圍或含有非法字符!"
,
?8??"身份證號碼校驗錯誤!"
,
?9??"身份證地區非法!"
10?
?);
11??var?area?={11:"北京",12:"天津",13:"河北",14:"山西",15:"內蒙古",21:"遼寧",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:"云南",54:"西藏",61:"?陜西",62:"甘肅",63:"青海",64:"寧夏",65:"新疆",71:"臺灣",81:"香港",82:"澳門",91:"國外"
}?
12?
?
13??var
?idcard,Y,JYM;
14??var
?S,M;
15??var?idcard_array?=?new
?Array();
16??idcard_array?=?idcard.split(""
);
17??/*地區檢驗*/
18??if(area[parseInt(idcard.substr(0,2))]==null
)?
19?
?{
20???alert(Errors[4
]);?
21???return?false
;
22?
?}
23??/*身份號碼位數及格式檢驗*/
24??switch
(idcard.length){
25???case?15
:
26???if?(?(parseInt(idcard.substr(6,2))+1900)?%?4?==?0?||?((parseInt(idcard.substr(6,2))+1900)?%?100?==?0?&&?(parseInt(idcard.substr(6,2))+1900)?%?4?==?0
?)){
27????ereg?=/^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])?|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}$/;//?測試出生日期的合法性
28???}?else
?{
29????ereg=/^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)?(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1?[0-9]|2[0-8]))[0-9]{3}$/;//測試出生日期的合法性
30?
??}
31???if
(ereg.test(idcard)){
32?????alert(Errors[0]+"15"
);?
33?????return?false
;
34?
???}
35???else
?{
36?????alert(Errors[2
]);
37??????return?false
;
38?
????}
39???break
;
40?
??
41???case?18
:
42???//18位身份號碼檢測
43???//出生日期的合法性檢查?
44???//閏年月日:((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))
45???//平年月日:((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))
46???if?(?parseInt(idcard.substr(6,4))?%?4?==?0?||?(parseInt(idcard.substr(6,4))?%?100?==?0?&&?parseInt(idcard.substr(6,4))%4?==?0
?)){
47???ereg?=/^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])?|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|[1-2][0-9]))[0-9]{3}[0-9Xx]?$/;//閏年出生日期的合法性正則表達式
48???}?else
?{
49???ereg=/^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)?(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1?[0-9]|2[0-8]))[0-9]{3}[0-9Xx]$/;//平年出生日期的合法性正則表達式
50?
??}
51???if(ereg.test(idcard)){//測試出生日期的合法性
52????//計算校驗位
53????S?=?(parseInt(idcard_array[0])?+?parseInt(idcard_array[10]))?*?7
54????+?(parseInt(idcard_array[1])?+?parseInt(idcard_array[11]))?*?9
55????+?(parseInt(idcard_array[2])?+?parseInt(idcard_array[12]))?*?10
56????+?(parseInt(idcard_array[3])?+?parseInt(idcard_array[13]))?*?5
57????+?(parseInt(idcard_array[4])?+?parseInt(idcard_array[14]))?*?8
58????+?(parseInt(idcard_array[5])?+?parseInt(idcard_array[15]))?*?4
59????+?(parseInt(idcard_array[6])?+?parseInt(idcard_array[16]))?*?2
60????+?parseInt(idcard_array[7])?*?1
?
61????+?parseInt(idcard_array[8])?*?6
62????+?parseInt(idcard_array[9])?*?3
?;
63????Y?=?S?%?11
;
64????M?=?"F"
;
65????JYM?=?"10X98765432"
;
66????M?=?JYM.substr(Y,1);/*判斷校驗位*/
67????if(M?==?idcard_array[17
]){
68?????alert(Errors[0]+"18"
);?
69?????return?false;?/*檢測ID的校驗位*/
70?
???}
71????else
?{
72?????alert(Errors[3
]);?
73?????return?false
;
74?
???}
75?
??}
76???else
?{
77????alert(Errors[2
]);?
78????return?false
;
79?
??}
80???break
;
81?
??
82???default
:
83????alert(Errors[1
]);?
84????return?false
;
85?
???
86?
?}
87?</script
>
?
鳳凰涅槃/浴火重生/馬不停蹄/只爭朝夕
???? 隱姓埋名/低調華麗/簡單生活/完美人生