//獲取文件路徑

NSString *path=[[NSBundle mainBundle]pathForResource:@"sina" ofType:@"json"];

//將獲取的文件轉(zhuǎn)為data

NSData *data=[NSData dataWithContentsOfFile:path];

NSLog(@"%@",data);

__autoreleasing NSError *error;

//系統(tǒng)提供的json解析方法

NSDictionary *dic= [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableLeaves error:&error];