实现导入Markdown

utils/file.go

@@ -1,94 +0,0 @@
-package utils
-
-import (
-	"fmt"
-	"io"
-	"math"
-	"os"
-	"path/filepath"
-	"strings"
-)
-
-func AbsolutePath(p string) (string, error) {
-
-	if strings.HasPrefix(p, "~") {
-		home := os.Getenv("HOME")
-		if home == "" {
-			panic(fmt.Sprintf("can not found HOME in envs, '%s' AbsPh Failed!", p))
-		}
-		p = fmt.Sprint(home, string(p[1:]))
-	}
-	s, err := filepath.Abs(p)
-
-	if nil != err {
-		return "", err
-	}
-	return s, nil
-}
-
-// FileExists reports whether the named file or directory exists.
-func FileExists(name string) bool {
-	if _, err := os.Stat(name); err != nil {
-		if os.IsNotExist(err) {
-			return false
-		}
-	}
-	return true
-}
-
-func CopyFile(dstName, srcName string) (written int64, err error) {
-	src, err := os.Open(srcName)
-	if err != nil {
-		return
-	}
-	defer src.Close()
-	dst, err := os.OpenFile(dstName, os.O_WRONLY|os.O_CREATE, 0644)
-	if err != nil {
-		return
-	}
-
-	defer dst.Close()
-	return io.Copy(dst, src)
-}
-
-func FormatBytes(size int64) string {
-	units := []string{" B", " KB", " MB", " GB", " TB"}
-
-	s := float64(size)
-
-	i := 0
-
-	for ; s >= 1024 && i < 4; i++ {
-		s /= 1024
-	}
-
-	return fmt.Sprintf("%.2f%s", s, units[i])
-}
-
-func Round(val float64, places int) float64 {
-	var t float64
-	f := math.Pow10(places)
-	x := val * f
-	if math.IsInf(x, 0) || math.IsNaN(x) {
-		return val
-	}
-	if x >= 0.0 {
-		t = math.Ceil(x)
-		if (t - x) > 0.50000000001 {
-			t -= 1.0
-		}
-	} else {
-		t = math.Ceil(-x)
-		if (t + x) > 0.50000000001 {
-			t -= 1.0
-		}
-		t = -t
-	}
-	x = t / f
-
-	if !math.IsInf(x, 0) {
-		return x
-	}
-
-	return t
-}

utils/filetil/filetil.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 	"io"
 	"fmt"
+	"math"
 )
 
 //==================================
@@ -130,3 +131,71 @@ func RemoveDir(dir string) error {
 	return os.RemoveAll(dir)
 }
 
+func AbsolutePath(p string) (string, error) {
+
+	if strings.HasPrefix(p, "~") {
+		home := os.Getenv("HOME")
+		if home == "" {
+			panic(fmt.Sprintf("can not found HOME in envs, '%s' AbsPh Failed!", p))
+		}
+		p = fmt.Sprint(home, string(p[1:]))
+	}
+	s, err := filepath.Abs(p)
+
+	if nil != err {
+		return "", err
+	}
+	return s, nil
+}
+
+// FileExists reports whether the named file or directory exists.
+func FileExists(name string) bool {
+	if _, err := os.Stat(name); err != nil {
+		if os.IsNotExist(err) {
+			return false
+		}
+	}
+	return true
+}
+
+func FormatBytes(size int64) string {
+	units := []string{" B", " KB", " MB", " GB", " TB"}
+
+	s := float64(size)
+
+	i := 0
+
+	for ; s >= 1024 && i < 4; i++ {
+		s /= 1024
+	}
+
+	return fmt.Sprintf("%.2f%s", s, units[i])
+}
+
+func Round(val float64, places int) float64 {
+	var t float64
+	f := math.Pow10(places)
+	x := val * f
+	if math.IsInf(x, 0) || math.IsNaN(x) {
+		return val
+	}
+	if x >= 0.0 {
+		t = math.Ceil(x)
+		if (t - x) > 0.50000000001 {
+			t -= 1.0
+		}
+	} else {
+		t = math.Ceil(-x)
+		if (t + x) > 0.50000000001 {
+			t -= 1.0
+		}
+		t = -t
+	}
+	x = t / f
+
+	if !math.IsInf(x, 0) {
+		return x
+	}
+
+	return t
+}

utils/requests/requests.go

@@ -0,0 +1,45 @@
+package requests
+
+import (
+	"io"
+	"net/http"
+	"net/url"
+	"os"
+	"errors"
+	"fmt"
+)
+
+//下载远程文件并保存到指定位置
+func DownloadAndSaveFile(remoteUrl, dstFile string) (error) {
+	client := &http.Client{}
+	uri, err := url.Parse(remoteUrl)
+	if err != nil {
+		return err
+	}
+	// Create the file
+	out, err := os.Create(dstFile)
+	if err != nil  {
+		return err
+	}
+	defer out.Close()
+
+	request, err := http.NewRequest("GET", uri.String(), nil)
+	request.Header.Add("Connection", "close")
+	request.Header.Add("Host", uri.Host)
+	request.Header.Add("Referer", uri.String())
+	request.Header.Add("User-Agent", "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:12.0) Gecko/20100101 Firefox/12.0")
+
+	resp, err := client.Do(request)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+
+	if resp.StatusCode == http.StatusOK {
+		_, err = io.Copy(out, resp.Body)
+	}else{
+		return errors.New(fmt.Sprintf("bad status: %s", resp.Status))
+	}
+	return nil
+}