- 
按下
Ctrl + Shift + D打开调试视图。 - 
点击顶部的"创建一个launch.json文件"链接,选择".NET Core"作为环境。
 - 
VSCode会自动生成一个
launch.json文件,通常位于.vscode文件夹中。确保它包含以下内容:{ "version": "0.2.0", "configurations": [ { "name": ".NET Core Launch (web)", "type": "coreclr", "request": "launch", "preLaunchTask": "build", "program": "${workspaceFolder}/bin/Debug/net5.0/MyBlazorApp.dll", "args": [], "cwd": "${workspaceFolder}", "stopAtEntry": false, "serverReadyAction": { "action": "openExternally", "pattern": "\\bNow listening on:\\s+(https?://\\S+)" }, "env": { "ASPNETCORE_ENVIRONMENT": "Development" }, "sourceFileMap": { "/Views": "${workspaceFolder}/Views", "/wwwroot": "${workspaceFolder}/wwwroot" } } ] }如果你还没有构建任务,可以在
.vscode文件夹中创建一个tasks.json文件,内容如下: 
   {
     "version": "2.0.0",
     "tasks": [
       {
         "label": "build",
         "command": "dotnet",
         "type": "process",
         "args": [
           "build",
           "${workspaceFolder}/MyBlazorApp.csproj"
         ],
         "problemMatcher": "$msCompile"
       }
     ]
   }