100 lines
2.0 KiB
Go
100 lines
2.0 KiB
Go
package lxCommon
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import (
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"path/filepath"
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"runtime"
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"time"
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)
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// 二进制流文件保存到本地 name png pdf
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func SaveFile(url, path, name string) (filePath string, err error) {
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c := NewClient() //忽略证书
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_dir := AddNewFile(path)
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filePath = _dir + name
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resp, err := c.Get(url)
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if err != nil {
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fmt.Println(err)
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return
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}
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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fmt.Println(err)
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return
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}
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err = ioutil.WriteFile(filePath, body, 0644)
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if err != nil {
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fmt.Println(err)
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return
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}
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return
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}
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func AddNewFile(folder string) string {
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oldPath := folder
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if runtime.GOOS == "windows" || runtime.GOOS == "darwin" {
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oldPath = "./pdf/"
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}
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_dir, _ := CreateDateDir(oldPath)
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return _dir
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}
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func Copy(src, dst string) (int64, error) {
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sourceFileStat, err := os.Stat(src)
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if err != nil {
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return 0, err
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}
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if !sourceFileStat.Mode().IsRegular() {
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return 0, fmt.Errorf("%s is not a regular file", src)
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}
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source, err := os.Open(src)
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if err != nil {
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return 0, err
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}
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defer source.Close()
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destination, err := os.Create(dst)
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if err != nil {
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return 0, err
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}
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defer destination.Close()
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nBytes, err := io.Copy(destination, source)
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return nBytes, err
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}
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func GetFileSize(filename string) (int64, error) {
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fi, err := os.Stat(filename)
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if err != nil {
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return 0, err
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}
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return fi.Size() / 1024 / 1024, nil
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}
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func CreateDateDir(basePath string) (dirPath, dataString string) {
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folderName := time.Now().Format("2006-01-02")
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folderPath := filepath.Join(basePath, folderName)
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if _, err := os.Stat(folderPath); os.IsNotExist(err) {
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// 必须分成两步
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// 先创建文件夹
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os.MkdirAll(folderPath, 0777)
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// 再修改权限
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os.Chmod(folderPath, 0777)
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}
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return folderPath + "/", folderName
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}
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// 判断文件夹/文件是否存在
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func PathIsExists(path string) (bool, error) {
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_, err := os.Stat(path)
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if err == nil {
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return true, nil
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}
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if os.IsNotExist(err) {
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return false, nil
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}
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return false, err
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}
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