【新增】资源管理模块

base/file/file.go

@@ -0,0 +1,33 @@
+package utilFile
+
+import (
+	"io"
+	"net/http"
+	"os"
+)
+
+/**
+ * @Description 添加qq群467890197 交流学习
+ * @Author 熊猫
+ * @Date 2022/1/14 11:13
+ **/
+
+// DownloadFile 会将url下载到本地文件，它会在下载时写入，而不是将整个文件加载到内存中。
+func DownloadFile(url, filepath string) error {
+	// Get the data
+	resp, err := http.Get(url)
+	if err != nil {
+		return err
+	}
+	defer resp.Body.Close()
+
+	// Create the file
+	out, err := os.Create(filepath)
+	if err != nil {
+		return err
+	}
+	defer out.Close()
+	// Write the body to file
+	_, err = io.Copy(out, resp.Body)
+	return err
+}

base/file/zipfiles.go

@@ -0,0 +1,66 @@
+package utilFile
+
+import (
+	"archive/zip"
+	"io"
+	"os"
+	"strings"
+)
+
+func ZipFiles(filename string, files []string, oldForm, newForm string) error {
+
+	newZipFile, err := os.Create(filename)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		_ = newZipFile.Close()
+	}()
+
+	zipWriter := zip.NewWriter(newZipFile)
+	defer func() {
+		_ = zipWriter.Close()
+	}()
+
+	// 把files添加到zip中
+	for _, file := range files {
+
+		err = func(file string) error {
+			zipFile, err := os.Open(file)
+			if err != nil {
+				return err
+			}
+			defer zipFile.Close()
+			// 获取file的基础信息
+			info, err := zipFile.Stat()
+			if err != nil {
+				return err
+			}
+
+			header, err := zip.FileInfoHeader(info)
+			if err != nil {
+				return err
+			}
+
+			// 使用上面的FileInforHeader() 就可以把文件保存的路径替换成我们自己想要的了，如下面
+			header.Name = strings.Replace(file, oldForm, newForm, -1)
+
+			// 优化压缩
+			// 更多参考see http://golang.org/pkg/archive/zip/#pkg-constants
+			header.Method = zip.Deflate
+
+			writer, err := zipWriter.CreateHeader(header)
+			if err != nil {
+				return err
+			}
+			if _, err = io.Copy(writer, zipFile); err != nil {
+				return err
+			}
+			return nil
+		}(file)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}