iOS 将NSArray、NSDictionary转换为JSON格式进行网络传输

batchTransNoOrder] line:125 content:param:{
    fromSlId = 30532;
    lcCode = G046;
    operater = admin;
    orderId = ZCG04620171117000004;
    toSlId = 30535;
    trayCodes =     (
        G04620171106000000287,
        G04620171101000000180
    );
    whId = 192;
}

function:__65+[HttpTask doPostToServer:needToken:param:sucessBlock:failBlock:]_block_invoke line:105 content:接收到的服务器端的数据为:{"msg":"[(\n    G04620171106000000287, G04620171101000000180\n)]找不到托盘数据！","success":false}

NSArray *trayCodes = @[@"123",@"456"];
NSError *error = nil;
NSData *jsonData = [NSJSONSerialization dataWithJSONObject:trayCodes
                                                       options:kNilOptions
                                                         error:&error];
    
NSString *jsonString = [[NSString alloc] initWithData:jsonData
                                                 encoding:NSUTF8StringEncoding];

NSArray *trayCodes = @[@"123",@"456"];
NSString *jsonStr = [trayCodes componentsJoinedByString:@","];