第一步：Swift安装

MacOS:直接安装Xcode即可!
Ubuntu:

准备:
创建目录：sudo mkdir /usr/local/dev
创建dev目录的软连接到桌面：ln -s /usr/local/dev ~/Desktop/dev
进入官网下载对应的swift Toolchain文件
配置swift环境:
1.将下载好的软件包解压到指定路径，可以自定义。我是解压到：/usr/local/dev/swift/5.2.4
2.添加环境变量，打开~/.bashrc, 在文件最后一行添加:
export PATH=/usr/local/dev/swift/5.2.4/usr/bin:"${PATH}"
3.终端运行swift -version ，有结果说明swift安装成功！

PS:注意不需要去下载编译sourcekit-lsp工具，因为swift工具包中有sourcekit-lsp

第二步：Swift命令测试

1.创建项目： swift package init --type executable
2.构建项目： swift build
3.运行项目： swift run
4.测试项目： swift test

第三步：安装Visual Studio Code与Node.js

这儿不做描述，不会的请自行百度

第四步：Visual Studio Code环境配置

1.安装插件：
Swift Language： swift语法支持
Code Runner ： swift运行插件，选中某个swift文件鼠标右键运行或者点击VS右上角的运行按钮。注意：Code Runner只能运行单个的swift文件。
Maintained Swift Development Environment：配置如下
1. Language Server Mode选择：sourcekit-lsp
2. Enable Tracing LSPServer：选项开启
3. "ToolChain Path"，"Swift_driver_bin": 填写swift bin目录路径
Ubuntu： /usr/local/dev/swift/5.2.4/usr/bin
MacOS：下同样填入swift路径，在终端输入swift cc 命令，可以根据错误提示找到swift路径。
4. "Server Path"
Ubuntu： /usr/local/dev/swift/5.2.4/usr/bin/sourcekit-lsp
MacOS：下同样填入swift路径，在终端输入swift cc 命令，可以根据错误提示找到swift路径

CodeLLDB： lldb swift调试插件
SourceKit-LSP-VSCode： sourcekit-lsp的vscode插件下载,解压后直接拖到vscode 插件中心进行安装即可

第五步：配置launch.json与tasks.json

在VS中想要指定swift项目，则需要配置launch.json与tasks.json。
launch.json如下（注意：Test时需要将xxx.xctest修改为你自己的测试包名）

{
    // 使用 IntelliSense 了解相关属性。 
    // 悬停以查看现有属性的描述。
    // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        //运行
        {
            "type": "lldb",
            "name": "Run",
            "request": "launch",
            "cwd": "${workspaceFolder}",
            "program": "${workspaceFolder}/.build/debug/Run",
            "preLaunchTask": "swift-build",
            "args": ["serve","--hostname","0.0.0.0","--port","8080"]
        },
        //测试
        {
            "type": "lldb",
            "name": "Test",
            "request":"launch",
            "cwd": "${workspaceFolder}",
            "program": "",
            "linux": {
                "program": "${workspaceFolder}/.build/x86_64-unknown-linux-gnu/debug/appPackageTests.xctest",//YourPackageTests.xctest
            },
            "osx": {
                "program": "/Applications/Xcode.app/Contents/Developer/usr/bin/xctest",
                "args": [
                    "${workspaceFolder}/.build/debug/webPackageTests.xctest"//YourPackageTests.xctest
                ]
            },
            "preLaunchTask": "swift-tests"
        },
        //Clean: 
        {
            "type": "lldb",
            "name": "Clean",
            "request":"custom",
            "preLaunchTask": "swift-clean",
        },
         //构建发行: 
        //    MacOS下为Release版本,
        //    Linux下为Debug版本(Release会出错，可能是当前项目影响，需要更具具体情况调节)
        {
            "type": "lldb",
            "name": "Release",
            "request":"custom",
            "preLaunchTask": "swift-release",
        }    
        
    ]
}

tasks.json如下（PS:Release时将linux平台下swift build模式修改为release）

{
  "version": "2.0.0",
  "tasks": [
    //tasks Run
    {
      "label": "swift-build",
      "type": "shell",
      "command": "swift build"
    },
    //tasks Test
    {
      "label": "swift-tests",
      "type": "process",
      "command": "swift",
      "group": "build",
      "args": [
          "build",
          "--build-tests"
         // for TensorFlow add "-Xlinker", "-ltensorflow"
      ]
    },
    //tasks Claen
    {
      "label": "swift-clean",
      "type": "shell",
      "command":[
        "rm -rf",
        "${workspaceFolder}/Products",
        "${workspaceFolder}/.build/x86_64-unknown-linux-gnu",
        "${workspaceFolder}/.build/x86_64-apple-macosx",
        "${workspaceFolder}/.build/debug",
        "${workspaceFolder}/.build/release"
      ]
    },    
    //tasks Release
    {
      "label": "swift-release",
      "type": "shell",
      "linux":{
        "command":[
          "swift build -c debug\n",//可修改为release模式
          "mkdir -p ${workspaceFolder}/Products\n",
          "cp -rf ${workspaceFolder}/.build/debug/Run ${workspaceFolder}/Products\n",//路径可以切换为release，路径与swift build模式要匹配
          "cp -rf ${workspaceFolder}/Public ${workspaceFolder}/Products\n",
          "cp -rf ${workspaceFolder}/Resources ${workspaceFolder}/Products\n",
          "nautilus ${workspaceFolder}/Products"
        ]
      },
      "osx":{
        "command":[
          "swift build -c release\n",
          "mkdir -p ${workspaceFolder}/Products\n",
          "cp -rf ${workspaceFolder}/.build/release/Run ${workspaceFolder}/Products\n",
          "cp -rf ${workspaceFolder}/Public ${workspaceFolder}/Products\n",
          "cp -rf ${workspaceFolder}/Resources ${workspaceFolder}/Products\n",
          "open ${workspaceFolder}/Products"
        ]
      }
    }

  ]
}

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