做iOS開發已經兩年多了。最近,在整理以前的代碼,找到當時卡殼的一些代碼片段,寫部落格跟大家分享一下。歡迎iOS初學者訂閱我的部落格,有什麼問題可以留言交流。以下正文:
不知道上司哪根筋搭錯了,非要驗證身份證号碼,要伺服器端驗證,又要用戶端驗證。索性把伺服器端驗證代碼移植過來,具體什麼邏輯,我也不懂,反正能用。需要的直接複制過去就行了。
+ (BOOL)validateIDCardNumber:(NSString *)value {
value = [value stringByTrimmingCharactersInSet:[NSCharacterSetwhitespaceAndNewlineCharacterSet]];
int length = 0;
if (!value) {
return NO;
}else {
length = value.length;
if (length != 15 && length !=18) {
return NO;
}
}
// 省份代碼
NSArray *areasArray =@[@"11", @"12", @"13", @"14", @"15", @"21", @"22", @"23", @"31", @"32", @"33", @"34", @"35", @"36", @"37", @"41", @"42", @"43", @"44", @"45", @"46", @"50", @"51", @"52", @"53", @"54", @"61", @"62", @"63", @"64", @"65", @"71", @"81", @"82", @"91"];
NSString *valueStart2 = [value substringToIndex:2];
BOOL areaFlag = NO;
for (NSString *areaCodein areasArray) {
if ([areaCode isEqualToString:valueStart2]) {
areaFlag =YES;
break;
}
}
if (!areaFlag) {
return false;
}
NSRegularExpression *regularExpression;
NSUInteger numberofMatch;
int year = 0;
switch (length) {
case 15:
year = [valuesubstringWithRange:NSMakeRange(6,2)].intValue +1900;
if (year % 4 ==0 || (year % 100 ==0 && year % 4 ==0)) {
regularExpression = [[NSRegularExpressionalloc] initWithPattern:@"^[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}$"
options:NSRegularExpressionCaseInsensitive
error:nil];// 測試出生日期的合法性
}else {
regularExpression = [[NSRegularExpressionalloc] initWithPattern:@"^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}$"
options:NSRegularExpressionCaseInsensitive
error:nil];// 測試出生日期的合法性
}
numberofMatch = [regularExpressionnumberOfMatchesInString:value
options:NSMatchingReportProgress
range:NSMakeRange(0, value.length)];
[regularExpressionrelease];
if(numberofMatch > 0) {
return YES;
}else {
return NO;
}
case 18:
year = [valuesubstringWithRange:NSMakeRange(6,4)].intValue;
if (year % 4 ==0 || (year % 100 ==0 && year % 4 ==0)) {
regularExpression = [[NSRegularExpressionalloc] initWithPattern:@"^[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]$"
options:NSRegularExpressionCaseInsensitive
error:nil];// 測試出生日期的合法性
}else {
regularExpression = [[NSRegularExpressionalloc] initWithPattern:@"^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}[0-9Xx]$"
options:NSRegularExpressionCaseInsensitive
error:nil];// 測試出生日期的合法性
}
numberofMatch = [regularExpressionnumberOfMatchesInString:value
options:NSMatchingReportProgress
range:NSMakeRange(0, value.length)];
[regularExpressionrelease];
if(numberofMatch > 0) {
int S = ([valuesubstringWithRange:NSMakeRange(0,1)].intValue + [valuesubstringWithRange:NSMakeRange(10,1)].intValue) *7 + ([valuesubstringWithRange:NSMakeRange(1,1)].intValue + [valuesubstringWithRange:NSMakeRange(11,1)].intValue) *9 + ([valuesubstringWithRange:NSMakeRange(2,1)].intValue + [valuesubstringWithRange:NSMakeRange(12,1)].intValue) *10 + ([valuesubstringWithRange:NSMakeRange(3,1)].intValue + [valuesubstringWithRange:NSMakeRange(13,1)].intValue) *5 + ([valuesubstringWithRange:NSMakeRange(4,1)].intValue + [valuesubstringWithRange:NSMakeRange(14,1)].intValue) *8 + ([valuesubstringWithRange:NSMakeRange(5,1)].intValue + [valuesubstringWithRange:NSMakeRange(15,1)].intValue) *4 + ([valuesubstringWithRange:NSMakeRange(6,1)].intValue + [valuesubstringWithRange:NSMakeRange(16,1)].intValue) *2 + [value substringWithRange:NSMakeRange(7,1)].intValue *1 + [value substringWithRange:NSMakeRange(8,1)].intValue *6 + [value substringWithRange:NSMakeRange(9,1)].intValue *3;
int Y = S % 11;
NSString *M = @"F";
NSString *JYM = @"10X98765432";
M = [JYMsubstringWithRange:NSMakeRange(Y,1)]; // 判斷校驗位
if ([MisEqualToString:[value substringWithRange:NSMakeRange(17,1)]]) {
return YES;// 檢測ID的校驗位
}else {
return NO;
}
}else {
return NO;
}
default:
returnfalse;
}
}
另外,下面附上Java代碼
public static boolean checkIdcard(String value) {
int length = 0;
if (value == null) {
return false;
} else {
length = value.length();
if (length != 15) {} else if (length != 18) {} else {
return false;
}
}
String[] areasArray = { "11", "12", "13", "14", "15", "21", "22", "23", "31",
"32", "33", "34", "35", "36", "37", "41", "42", "43", "44",
"45", "46", "50", "51", "52", "53", "54", "61", "62", "63",
"64", "65", "71", "81", "82", "91" };
HashSet < String > areasSet = new HashSet < String > (Arrays.asList(areasArray));
String valueStart2 = value.substring(0, 2);
if (areasSet.contains(valueStart2)) {} else {
return false;
}
Pattern pattern = null;
Matcher matcher = null;
int year = 0;
switch (length) {
case 15:
year = Integer.parseInt(value.substring(6, 8)) + 1900;
if (year % 4 == 0 || (year % 100 == 0 && year % 4 == 0)) {
pattern = Pattern.compile("^[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}$"); // 測試出生日期的合法性
} else {
pattern = Pattern.compile("^[1-9][0-9]{5}[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}$"); // 測試出生日期的合法性
}
matcher = pattern.matcher(value);
if (matcher.find()) {
return true;
} else {
return false;
}
case 18:
year = Integer.parseInt(value.substring(6, 10));
if (year % 4 == 0 || (year % 100 == 0 && year % 4 == 0)) {
pattern = Pattern.compile("^[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]$"); // 測試出生日期的合法性
} else {
pattern = Pattern.compile("^[1-9][0-9]{5}19[0-9]{2}((01|03|05|07|08|10|12)(0[1-9]|[1-2][0-9]|3[0-1])|(04|06|09|11)(0[1-9]|[1-2][0-9]|30)|02(0[1-9]|1[0-9]|2[0-8]))[0-9]{3}[0-9Xx]$"); // 測試出生日期的合法性
}
matcher = pattern.matcher(value);
if (matcher.find()) {
int S = (Integer.parseInt(value.substring(0, 1)) + Integer.parseInt(value.substring(10, 11))) * 7 + (Integer.parseInt(value.substring(1, 2)) + Integer.parseInt(value.substring(11, 12))) * 9 + (Integer.parseInt(value.substring(2, 3)) + Integer.parseInt(value.substring(12, 13))) * 10 + (Integer.parseInt(value.substring(3, 4)) + Integer.parseInt(value.substring(13, 14))) * 5 + (Integer.parseInt(value.substring(4, 5)) + Integer.parseInt(value.substring(14, 15))) * 8 + (Integer.parseInt(value.substring(5, 6)) + Integer.parseInt(value.substring(15, 16))) * 4 + (Integer.parseInt(value.substring(6, 7)) + Integer.parseInt(value.substring(16, 17))) * 2 + Integer.parseInt(value.substring(7, 8)) * 1 + Integer.parseInt(value.substring(8, 9)) * 6 + Integer.parseInt(value.substring(9, 10)) * 3;
int Y = S % 11;
String M = "F";
String JYM = "10X98765432";
M = JYM.substring(Y, Y + 1); // 判斷校驗位
if (M.equals(value.substring(17, 18))) {
return true; // 檢測ID的校驗位
} else {
return false;
}
} else {
return false;
}
default:
return false;
}
}
移植過程遇到正規表達式還有NSString一些用法,接下來部落格中再講吧。