✏️ 分离 data

utils/dl/dl.go

@@ -0,0 +1,22 @@
+// Package dl 下载实用工具
+package dl
+
+import (
+	"io"
+	"net/http"
+	"os"
+)
+
+func DownloadTo(url, file string) error {
+	resp, err := http.Get(url)
+	if err == nil {
+		var f *os.File
+		f, err = os.Create(file)
+		if err == nil {
+			_, err = io.Copy(f, resp.Body)
+			resp.Body.Close()
+			f.Close()
+		}
+	}
+	return err
+}