新增go下载便携安装脚本

install/go.bat

@@ -0,0 +1,110 @@
+@echo off
+setlocal enabledelayedexpansion
+
+rem ---------- 参数 ----------
+if "%~1"=="" (
+  set "GO_VERSION=1.25.3"
+) else (
+  set "GO_VERSION=%~1"
+)
+if "%~2"=="" (
+  set "REL_DEST=..\plugin\go\%GO_VERSION%"
+) else (
+  set "REL_DEST=%~2"
+)
+
+rem ---------- 环境与路径 ----------
+rem 将脚本目录解析为绝对路径
+set "SCRIPT_DIR=%~dp0"
+rem 去掉末尾反斜杠（如果有）
+if "%SCRIPT_DIR:~-1%"=="\" set "SCRIPT_DIR=%SCRIPT_DIR:~0,-1%"
+
+rem 目标目录（相对于脚本目录）
+for %%I in ("%SCRIPT_DIR%\%REL_DEST%") do set "DEST=%%~fI"
+
+rem 构造下载 URL（windows-amd64）
+set "ARCH=windows-amd64"
+set "FILE=go%GO_VERSION%.%ARCH%.zip"
+set "URL=https://go.dev/dl/%FILE%"
+
+rem 临时下载文件
+set "TMP_ZIP=%TEMP%\%FILE%"
+
+echo.
+echo Script dir: %SCRIPT_DIR%
+echo Go version: %GO_VERSION%
+echo Destination: %DEST%
+echo Download URL: %URL%
+echo Temp zip: %TMP_ZIP%
+echo.
+
+rem ---------- 创建目标目录 ----------
+if not exist "%DEST%" (
+  mkdir "%DEST%"
+  if errorlevel 1 (
+    echo Failed to create destination directory "%DEST%".
+    exit /b 1
+  )
+)
+
+rem ---------- 下载（使用 PowerShell 的 Invoke-WebRequest） ----------
+echo Downloading %URL% ...
+powershell -NoProfile -ExecutionPolicy Bypass -Command ^
+  "try { Invoke-WebRequest -Uri '%URL%' -OutFile '%TMP_ZIP%' -UseBasicParsing -ErrorAction Stop; exit 0 } catch { Write-Error $_; exit 1 }"
+if errorlevel 1 (
+  echo Download failed. Please check network or URL.
+  exit /b 1
+)
+
+rem ---------- 解压（使用 PowerShell Expand-Archive） ----------
+echo Extracting to %DEST% ...
+powershell -NoProfile -ExecutionPolicy Bypass -Command ^
+  "try { if (Test-Path '%DEST%\go') { Remove-Item -Recurse -Force '%DEST%\go' } ; Expand-Archive -Path '%TMP_ZIP%' -DestinationPath '%DEST%' -Force; exit 0 } catch { Write-Error $_; exit 1 }"
+if errorlevel 1 (
+  echo Extraction failed.
+  exit /b 1
+)
+
+rem ---------- 处理官方 zip 解压后包含的 go 子文件夹（将 go/* 移到 DEST 根） ----------
+rem 有时 Expand-Archive 会在 DEST 中创建一个子目录 'go'，这里把其内容上移
+if exist "%DEST%\go\" (
+  echo Normalizing folder structure...
+  powershell -NoProfile -ExecutionPolicy Bypass -Command ^
+    "Get-ChildItem -Path '%DEST%\go' -Force | ForEach-Object { Move-Item -Path $_.FullName -Destination '%DEST%' -Force } ; Remove-Item -Recurse -Force '%DEST%\go'"
+  if errorlevel 1 (
+    echo Normalization failed.
+    exit /b 1
+  )
+)
+
+rem ---------- 清理临时 zip ----------
+if exist "%TMP_ZIP%" del /q "%TMP_ZIP%"
+
+rem ---------- 验证 go 可执行 ----------
+set "GO_EXE=%DEST%\bin\go.exe"
+if exist "%GO_EXE%" (
+  echo.
+  echo go executable found at: %GO_EXE%
+  echo Running: "%GO_EXE%" version
+  "%GO_EXE%" version
+) else (
+  echo go.exe not found under "%DEST%\bin\". Extraction may have failed.
+  exit /b 1
+)
+
+rem ---------- 使用提示 ----------
+echo.
+echo 完成: Go %GO_VERSION% 已解压到:
+echo   %DEST%
+echo.
+echo 临时会话使用（仅当前窗口有效）:
+echo   set GOROOT=%DEST%
+echo   set PATH=%DEST%\bin;%%PATH%%
+echo.
+echo 若要在脚本中立即使用该 go，请在调用命令时用绝对路径:
+echo   "%DEST%\bin\go.exe" build -o myapp.exe ./cmd/myapp
+echo.
+echo 注意: 本脚本未修改系统环境变量, 若需永久生效请手动添加 GOROOT 和 PATH.
+echo.
+
+endlocal & pause