C#基础语法 #

using System;

Console.WriteLine("Hello, World!");

using System;

namespace MyApp
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello, World!");
        }
    }
}

namespace MyApp;

class Program
{
    static void Main(string[] args)
    {
        Console.WriteLine("Hello, World!");
    }
}

int age = 25;
string name = "张三";

int a = 10;
int b = 20;
int c = a + b;

/// <summary>
/// 表示一个人的基本信息
/// </summary>
public class Person
{
    /// <summary>
    /// 获取或设置姓名
    /// </summary>
    public string Name { get; set; }
    
    /// <summary>
    /// 计算两个数的和
    /// </summary>
    /// <param name="a">第一个加数</param>
    /// <param name="b">第二个加数</param>
    /// <returns>两数之和</returns>
    public static int Add(int a, int b)
    {
        return a + b;
    }
}

/// <summary>
/// 用户服务类
/// </summary>
/// <remarks>
/// 此类提供用户相关的CRUD操作
/// </remarks>
public class UserService
{
    /// <summary>
    /// 根据ID获取用户
    /// </summary>
    /// <param name="id">用户ID</param>
    /// <returns>用户对象</returns>
    /// <exception cref="ArgumentNullException">ID为空时抛出</exception>
    /// <exception cref="InvalidOperationException">用户不存在时抛出</exception>
    /// <example>
    /// <code>
    /// var user = userService.GetById(1);
    /// </code>
    /// </example>
    public User GetById(int id)
    {
        return new User();
    }
}

int age = 25;
string _name = "张三";
string userName = "李四";
int @class = 10;

int 2ndNumber = 10;
string my-name = "张三";
int class = 10;

public class UserManager { }
public void CalculateTotal() { }
public string FirstName { get; set; }
public const int MaxRetryCount = 3;

int totalCount = 0;
string userName = "张三";
void ProcessData(int itemIndex) { }

public class MyClass
{
    private int _count;
    private string _name;
}

abstract as base bool break byte case
catch char checked class const continue
decimal default delegate do double else
enum event explicit extern false finally
fixed float for foreach goto if
implicit in int interface internal is
lock long namespace new null object
operator out override params private protected
public readonly ref return sbyte sealed
short sizeof stackalloc static string struct
switch this throw true try typeof
uint ulong unchecked unsafe ushort using
virtual void volatile while

add alias ascending async await by
descending dynamic equals from get global
group into join let nameof on
orderby partial remove select set value
var when where yield

int @class = 10;
string @string = "Hello";
void @static() { }

int x = 10;
Console.WriteLine(x);
return;

if (x > 0)
{
    Console.WriteLine("正数");
}

;

int x=10;
int x = 10;
int x    =    10;

if (condition)
{
    if (nested)
    {
        DoSomething();
    }
}

if (condition)
{
    DoSomething();
}

if (condition) {
    DoSomething();
}

public class Calculator
{
    private int _result;
    
    public void Clear()
    {
        _result = 0;
    }
    
    public int Add(int value)
    {
        _result += value;
        return _result;
    }
}

int number = 42;
double pi = 3.14;
char letter = 'A';
string text = "Hello";
bool flag = true;

int decimalNum = 42;
int hexNum = 0x2A;
int binaryNum = 0b101010;

double scientific = 1.5e10;
float floatNum = 3.14f;
decimal money = 100.50m;

int readable = 1_000_000;

string text = "Hello, World!";
string escaped = "Line1\nLine2\tTabbed";

string path = @"C:\Users\Documents";
string json = @"{""name"": ""张三""}";

string json = """
{
    "name": "张三",
    "age": 25
}
""";

int result1 = 2 + 3 * 4;
int result2 = (2 + 3) * 4;

public class UserService
{
    private readonly IUserRepository _userRepository;
    private const int MaxRetryCount = 3;
    
    public string UserName { get; set; }
    
    public User GetUserById(int userId)
    {
        var user = _userRepository.Find(userId);
        return user;
    }
}

public class MyClass
{
    private int _privateField;
    public int PublicProperty { get; set; }
    
    public MyClass()
    {
    }
    
    public void PublicMethod()
    {
    }
    
    private void PrivateMethod()
    {
    }
}

[*.cs]
indent_style = space
indent_size = 4
end_of_line = lf
charset = utf-8
trim_trailing_whitespace = true
insert_final_newline = true

dotnet_sort_system_directives_first = true
csharp_new_line_before_open_brace = all