将Json存进本地文件夹NSArray *paths=NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *path=[paths objectAtIndex:0]; NSString *Json_path=[path stringByAppendingPathComponent:@"JsonFile.json"]; //==写入文件 NSLog(@"%@",[JsonData writeToFile:Json_path atomically:YES] ? @"Succeed":@"Failed");-----------------------读取Json//==Json文件路径 NSArray *paths=NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *path=[paths objectAtIndex:0]; NSString *Json_path=[path stringByAppendingPathComponent:@"JsonFile.json"]; //==Json数据 NSData *data=[NSData dataWithContentsOfFile:Json_path]; //==JsonObject id JsonObject=[NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingAllowFragments error:&error] //nslog (@"%@",jsonobject);打印json字典原文：http://www.cnblogs.com/yjg2014/p/4057991.html