图片额外信息

business/jxutils/jxutils.go

@@ -916,3 +916,17 @@ func PKCS5UnPadding(origData []byte) []byte {
 	unpadding := int(origData[length-1])
 	return origData[:(length - unpadding)]
 }
+
+//合成水印图
+func MixMatermarkImg(imgWatermark, img string) (imgMix string) {
+	baseURL := base64.URLEncoding.EncodeToString([]byte(imgWatermark))
+	imgUrl := "?imageView2/0/q/75|watermark/1/image/" + baseURL + "/dissolve/100/gravity/Center/dx/0/dy/0"
+	if resBinary, _, err := DownloadFileByURL(imgUrl); err == nil {
+		if downloadURL, err := UploadExportContent(resBinary, utils.Int64ToStr(time.Now().Unix())+imgWatermark[strings.LastIndex(imgWatermark, "/")+1:len(imgWatermark)]); err == nil {
+			if err == nil {
+				return downloadURL
+			}
+		}
+	}
+	return imgMix
+}