你给的代码报错form_para.cpp:340:28: Too many arguments to function call, expected single argument 'other', have 2 arguments qbytearray.h:193:17: 'swap' declared here

抱歉，我的代码有误，QByteArray的swap函数确实只接受一个参数。如果要交换两个字节的高低位，可以使用以下代码：

uint16_t value = 0x1234; // 待转换的uint16_t值
QByteArray bytes(reinterpret_cast<const char*>(&value), sizeof(value)); // 将uint16_t转换成QByteArray
std::swap(bytes[0], bytes[1]); // 交换高低位
QString str(bytes); // 将QByteArray转换成QString

在上述代码中，我们使用std::swap函数来交换QByteArray中的两个字节的高低位。最终，输出的字符串为："4321"。

请注意，上述代码假定机器采用的是little-endian格式，即低地址存放的是值的低位字节。如果机器采用的是big-endian格式，即低地址存放的是值的高位字节，则需要交换QByteArray中的第0个字节和第1个字节。

相关问题

Use c # to complete the following code,Creating a Car class A class is a self-contained piece of software that is able to function on it own. We will model a car in software. Car Class Properties Year : int «private set» Manufacturer : string «private set» Model : string «private set» IsDrivable : bool «private set» Price : double «private set» Methods«constructor» Car(year : int, manufacturer : string, model : string, price : double, isDrivable: bool = true) PrintInfo() : void Description of field members: 1. year: this private member represents the year value of this object 2. manufacturer: this private member represents the manufacturer of this car 3. model: this private member represents the model of this car 4. isDrivable: this private member indicates if this car be driven 5. price: this private member represents the selling price of this car Constructor: 1. public Car(int year, string manufacturer, string model, double price, bool isDrivable = true): this is the constructor of this class. It takes five arguments and assigns them to the appropriate fields. You will assume that all the arguments will be sane (i.e. the values will not break your program). Apology: UML and some newer languages specify the type after the identifier. C# on the other hand requires that you specify the type and then the identifier. To restrict access fields are normally decorated with the private modifier. Programming II Car: fields, constructor, ToString() n.k.p Page 2 of 2 Description of action member: 1. public void PrintInfo(): this method does not take any argument but it will print all information about this object. You get to decide how the output will look like. It is expected that all the values be displayed. In your main method write the code to do the following: 1. Create at least four cars and print them. Remember to call the constructor with 4 or 5 parameters.

Here's the code to create a Car class in C#:

using System;

class Car
{
    private int year;
    private string manufacturer;
    private string model;
    private bool isDrivable;
    private double price;

    public Car(int year, string manufacturer, string model, double price, bool isDrivable = true)
    {
        this.year = year;
        this.manufacturer = manufacturer;
        this.model = model;
        this.price = price;
        this.isDrivable = isDrivable;
    }

    public void PrintInfo()
    {
        Console.WriteLine("Year: " + year);
        Console.WriteLine("Manufacturer: " + manufacturer);
        Console.WriteLine("Model: " + model);
        Console.WriteLine("Is Drivable: " + isDrivable);
        Console.WriteLine("Price: " + price);
    }
}

In your main method, you can create four Car objects and print their information like this:

static void Main(string[] args)
{
    Car car1 = new Car(2021, "Toyota", "Camry", 25000.0);
    Car car2 = new Car(2019, "Honda", "Civic", 20000.0, false);
    Car car3 = new Car(2018, "Ford", "Mustang", 35000.0);
    Car car4 = new Car(2020, "Tesla", "Model S", 80000.0);

    car1.PrintInfo();
    car2.PrintInfo();
    car3.PrintInfo();
    car4.PrintInfo();
}

This will output the information for all four cars.

TypeError: __init__(): incompatible constructor arguments. The following argument types are supported:

Without further context, it is difficult to provide a specific solution. However, this error message typically occurs when you are attempting to initialize an object with arguments that do not match the expected types.

Make sure that the arguments you are passing to the constructor match the expected types and that you are using the correct syntax for the constructor. Double-check that you are using the correct class name and that you have imported the class correctly.

If you continue to have trouble, please provide more information and code snippets so we can better understand the issue.