45 lines
965 B
Go
45 lines
965 B
Go
package unzip
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import (
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"os"
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"strconv"
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"syscall"
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"unsafe"
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)
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type OSVERSIONINFO struct {
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dwOSVersionInfoSize int32
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dwMajorVersion int32
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dwMinorVersion int32
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dwBuildNumber int32
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dwPlatformId int32
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szCSDVersion [128]byte
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}
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func GetOsVersion() float32 {
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kernel32 := syscall.NewLazyDLL("kernel32.dll")
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var os OSVERSIONINFO
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os.dwOSVersionInfoSize = int32(unsafe.Sizeof(os))
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GetVersionExA := kernel32.NewProc("GetVersionExA")
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rt, _, _ := GetVersionExA.Call(uintptr(unsafe.Pointer(&os)))
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if int(rt) == 1 {
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res, err := strconv.ParseFloat(strconv.Itoa(int(os.dwMajorVersion))+"."+strconv.Itoa(int(os.dwMinorVersion)), 32)
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if err != nil {
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return 0
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}
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return float32(res)
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}
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return 0
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}
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// FileIsExist -判断文件是否存在 存在返回 true 不存在返回false
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func FileIsExist(filename string) bool {
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var exist = true
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if _, err := os.Stat(filename); os.IsNotExist(err) {
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exist = false
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}
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return exist
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}
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