OC中如何把字典中的数据拼接成URL字符串答:可以使用NSDictionary中的键值对来拼接Json数据,非常方便,也可以进行嵌套,直接上代码://开始拼接Json字符串 NSDictionary *dataDictionary= [NSDictionary dictionaryWithObjectsAndKeys:@"mac",@"mac","game",@"game","devicetoken",@"devicetoken","device",@"device","gv",@"gv","lang",@"...