初始化项目

updater/main_windows.go

@@ -0,0 +1,63 @@
+//go:build windows
+// +build windows
+
+package main
+
+import (
+	"os"
+	"os/exec"
+	"strconv"
+	"syscall"
+
+	"golang.org/x/sys/windows"
+)
+
+type mainProgramStarter struct{}
+
+func (s *mainProgramStarter) GetMainName() string {
+	return "main.exe"
+}
+
+func (s *mainProgramStarter) Start(targetExe string) error {
+	cmd := exec.Command(targetExe)
+	cmd.Stdout = os.Stdout
+	cmd.Stderr = os.Stderr
+
+	// Windows：新进程组，脱离 Ctrl+C / 父进程
+	cmd.SysProcAttr = &syscall.SysProcAttr{
+		CreationFlags: syscall.CREATE_NEW_PROCESS_GROUP,
+	}
+
+	return cmd.Start()
+}
+
+// 判断进程是否在运行
+func (s *mainProgramStarter) IsProcessRunning(pid int) (bool, error) {
+	if pid <= 0 {
+		return false, nil
+	}
+
+	// 打开进程句柄
+	handle, err := windows.OpenProcess(windows.PROCESS_QUERY_LIMITED_INFORMATION, false, uint32(pid))
+	if err != nil {
+		// 权限不足，但进程存在
+		if err == windows.ERROR_ACCESS_DENIED {
+			return true, nil
+		}
+		// 进程不存在
+		if err == windows.ERROR_INVALID_PARAMETER {
+			return false, nil
+		}
+		// 其他错误
+		return false, err
+	}
+	defer windows.CloseHandle(handle)
+
+	return true, nil
+}
+
+// 杀掉进程
+func (w *mainProgramStarter) KillProcess(pid int) error {
+	cmd := exec.Command("taskkill", "/PID", strconv.Itoa(pid), "/F")
+	return cmd.Run()
+}