golang中的Fileinfo给出Name,时间修改,大小等.我需要在
windows中使用golang获取特定文件的描述(例如:产品名称,原始filname等).
您可以使用Go的
w32 library for Win32 API调用.不需要CGo.
以下是如何通过GetFileVersionInfo和VerQueryValue检索所有文件信息的示例:
package main
import (
"fmt"
"github.com/gonutz/w32"
)
func main() {
const path = `C:\some file`
size := w32.GetFileVersionInfoSize(path)
if size <= 0 {
panic("GetFileVersionInfoSize failed")
}
info := make([]byte,size)
ok := w32.GetFileVersionInfo(path,info)
if !ok {
panic("GetFileVersionInfo failed")
}
fixed,ok := w32.VerQueryValueRoot(info)
if !ok {
panic("VerQueryValueRoot failed")
}
version := fixed.FileVersion()
fmt.Printf(
"file version: %d.%d.%d.%d\n",version&0xFFFF000000000000>>48,version&0x0000FFFF00000000>>32,version&0x00000000FFFF0000>>16,version&0x000000000000FFFF>>0,)
translations,ok := w32.VerQueryValueTranslations(info)
if !ok {
panic("VerQueryValueTranslations failed")
}
if len(translations) == 0 {
panic("no translation found")
}
fmt.Println("translations:",translations)
t := translations[0]
// w32.CompanyName simply translates to "CompanyName"
company,ok := w32.VerQueryValueString(info,t,w32.CompanyName)
if !ok {
panic("cannot get company name")
}
fmt.Println("company:",company)
}
