ASP.NET application--Hello World

安装 .NET and create the first Web 应用程序.

On-premises provisioning wizard and provisioning agent：

下载.NET SDK(软件开发安装包)

32位下载：https://download.visualstudio.microsoft.com/download/pr/d238bcf4-7362-4885-b371-e23a269a96bd/838e7e2d43528f9c79001f7737d38e7d/dotnet-sdk-6.0.302-win-x86.exe

64位下载：https://download.visualstudio.microsoft.com/download/pr/c246f2b8-da39-4b12-b87d-bf89b6b51298/2d43d4ded4b6a0c4d1a0b52f0b9a3b30/dotnet-sdk-6.0.302-win-x64.exe

ARM64下载：https://download.visualstudio.microsoft.com/download/pr/b1b1b47e-dae9-48e1-80f3-9ff920fa937f/9ca322594becea69bf4b9104fdce6154/dotnet-sdk-6.0.302-win-arm64.exe

打开Windows PowerShell,输入命令行dotnet. 

dotnet

运行结果如下： 

如果安装成功,则会看到类似于以上内容的输出.

创建应用

在命令提示符,运行以下命令以创建应用：

dotnet new webapp -o MyWebApp --no-https -f net6.0

What does this command mean?

dotnet new The command will create a new application.

• webApp The parameter selects the template to use when creating the app.
• -o 参数会创建名为 MyWebApp 的目录,用于存储应用.
• --no-https The flag specifies that it is not enabled HTTPS.
• -f 参数指示你正在创建 .NET 6 应用程序.

 

 

Which files were created?

已在 MyWebApp Create multiple files in the directory,To provide you with simple to run Web 应用程序.

• Program.cs Contains application startup code and middleware configuration.
• Pages The directory contains some sample web pages for the application.
• MyWebApp.csproj Some project settings are defined,For example to be oriented .NET SDK 版本.
• Properties 目录中的 launchSettings.json file defines different configuration file settings for the local development environment.It is automatically assigned when the project is created 5000-5300 and save it on this file.

 

运行应用

在命令提示符中,Navigate to the directory created in the previous step:

cd MyWebApp

然后,运行以下命令:

dotnet watch

 

Wait for the app to show listening http://localhost:<port number> and wait for the browser to start at that address.

 Congratulations on building and running your first one .NET Web 应用!

选择Ctrl+C,to stop the application at any time.

 

编辑代码

编辑代码

Open in any text editor at Pages 目录中的 Index.cshtml 文件.

before entering the code：

代码如下：

@page
@model IndexModel
@{
    ViewData["Title"] = "Home page";
}

<div class="text-center">
    <h1 class="display-4">Welcome</h1>
    <p>Learn about <a href="https://docs.microsoft.com/aspnet/core">building Web apps with ASP.NET Core</a>.</p>
</div>

After entering the code：

 代码如下：

@page
@model IndexModel
@{
    ViewData["Title"] = "Home page";
}

<div class="text-center">
    <h1>Hello,world!</h1>
	<p>The time on the server is @DateTime.Now</p>
</div>

 运行结果：

 

 

 

代码如下：

@page
@model IndexModel
@{
    ViewData["Title"] = "Home page";
}

<div class="text-center">
    <h1 class="display-4">Welcome</h1>
	<h1>Hello, world!</h1>
	<p>The time on the server is @DateTime.Now</p>
    <p>Learn about <a href="https://docs.microsoft.com/aspnet/core">building Web apps with ASP.NET Core</a>.</p>
</div>

运行结果如下：