NSString轉NSDictionary

 先轉NSData再轉NSDictionary

NSString* KBStr =．．．．;

   

NSData *data = [KBStr dataUsingEncoding:NSUTF8StringEncoding];

        

NSDictionary *tmpResposeJson = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:nil];