作为一个.NET程序员学习Objective-C我在try 使用.Net网络服务.
起初我以为我可以使用NSDateFormatter...
I wrote the code to do it...
I'm still learning Obj-C but I dont think It should've been this hard...
- (NSDate *) getJSONDate{
NSString* header = @"/Date(";
uint headerLength = [header length];
NSString* timestampString;
NSScanner* scanner = [[NSScanner alloc] initWithString:self];
[scanner setScanLocation:headerLength];
[scanner scanUpToString:@")" intoString:×tampString];
NSCharacterSet* timezoneDelimiter = [NSCharacterSet characterSetWithCharactersInString:@"+-"];
NSRange rangeOfTimezoneSymbol = [timestampString rangeOfCharacterFromSet:timezoneDelimiter];
[scanner dealloc];
if (rangeOfTimezoneSymbol.length!=0) {
scanner = [[NSScanner alloc] initWithString:timestampString];
NSRange rangeOfFirstNumber;
rangeOfFirstNumber.location = 0;
rangeOfFirstNumber.length = rangeOfTimezoneSymbol.location;
NSRange rangeOfSecondNumber;
rangeOfSecondNumber.location = rangeOfTimezoneSymbol.location + 1;
rangeOfSecondNumber.length = [timestampString length] - rangeOfSecondNumber.location;
NSString* firstNumberString = [timestampString substringWithRange:rangeOfFirstNumber];
NSString* secondNumberString = [timestampString substringWithRange:rangeOfSecondNumber];
unsigned long long firstNumber = [firstNumberString longLongValue];
uint secondNumber = [secondNumberString intValue];
NSTimeInterval interval = firstNumber/1000;
return [NSDate dateWithTimeIntervalSince1970:interval];
}
unsigned long long firstNumber = [timestampString longLongValue];
NSTimeInterval interval = firstNumber/1000;
return [NSDate dateWithTimeIntervalSince1970:interval];
}
希望有人能提供更好的Obj-C解决方案.
EDIT:
关于JSON日期时间格式...
Formatting to RFC1123 seems like a good idea to me right now. As I can probably pick it up easily using a NSDateFormatter.
Quote from Rick Strahl
There's no JavaScript date literal and Microsoft engineered a custom date format that is essentially a marked up string. The format is a string that's encoded and contains the standard new Date(milliseconds since 1970) value.