ios 中文 url encod

将中文转成指定encod 与中文网站交互

 

NSString* string2 = [@"南昌" stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]


NSLog   string2====%E5%8D%97%E6%98%8C

 

 

将网站返回的中文字符转为nsstring

NSURL *url = [NSURL URLWithString:urlString];

    NSError *error = nil;

NSString *responseString = [NSStringstringWithContentsOfURL:url encoding:CFStringConvertEncodingToNSStringEncoding(kCFStringEncodingGB_18030_2000) error:&error];