JSON

{
    msg = "操作成功",
    data =  (
            {
            name = "初级课程",
            state = "1",
        },
            {
            name = "中级课程",
            state = "2",
        },
            {
            name = "高级课程",
            state = "2",
        },
    ),
    code = "0",
}

{
    "msg": "操作成功",
    "data": [
            {
            "name" : "初级课程",
            "state" : "1",
        },
            {
            "name" : "中级课程",
            "state" : "2",
        },
            {
            "name" : "高级课程",
            "state" : "2",
        }
    ],
    "code": "0"
}

+(NSDictionary*)readTextToJsonDictionByName:(NSString*)name{
    NSString *defaultData = [[NSBundle mainBundle] pathForResource:name ofType:@"txt"];
    NSString *string = [[NSString alloc] initWithContentsOfFile:defaultData encoding:NSUTF8StringEncoding error:nil];
    NSData * resData = [[NSData alloc]initWithData:[string dataUsingEncoding:NSUTF8StringEncoding]];
    
    NSError* error;
    NSDictionary *resultDic = [NSJSONSerialization JSONObjectWithData:resData options:NSJSONReadingMutableContainers error:&error];
    if (error) {
        DGLog(@"JSON解析失败: %@",error);
    }
    
    return resultDic;
}

总是报错：
Error Domain=NSCocoaErrorDomain Code=3840 "Unescaped control character around character 47." UserInfo={NSDebugDescription=Unescaped control character around character 47.}