NSDictionary --> NSString
+ (NSString*)stringINJSONFormatForObject:(id)obj { NSData *jsonData = [NSJSONSerialization dataWithJSONObject:obj options:0 // If that option is not set, the most compact possible JSON will be generated error:nil]; NSString *jsonString = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding]; jsonString = [jsonString stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]]; //去除掉首尾的空白字符和换行字符 return jsonString; }
NSString --> NSDictionary
+ (NSDictionary *)dictForJSONString:(NSString *)str { NSData *jsonData = [str dataUsingEncoding:NSUTF8StringEncoding]; NSError *err; NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:jsonData options:NSJSONReadingMutableContainers error:nil]; return dic; }
时间: 2024-11-13 08:17:23