delete img

handle/logService.go

@@ -21,3 +21,12 @@ func RecordWechatLog(ToUsername, FromUsername string, CreateTime uint32, MsgType
 	}
 
 }
+
+func GetLastWechatLog(ToUsername, MsgType string) WechatLog {
+	Record := WechatLog{
+		ToUsername: ToUsername,
+		MsgType:    MsgType,
+	}
+	global.DB.Last(&Record)
+	return Record
+}

handle/replyImage.go

@@ -10,6 +10,6 @@ import (
 func replyImage(msgContent MsgContent, timestamp, nonce string, w http.ResponseWriter) {
 	//third_part.SendPicMid(msgContent.FromUsername, utils.RandMapValue(global.ImageMap))
 	filename := global.WechatImagePath + "/" + utils.RandomFile(global.WechatImagePath)
-	go RecordWechatLog(msgContent.ToUsername, msgContent.FromUsername, msgContent.CreateTime, msgContent.MsgType, filename)
+	go RecordWechatLog(msgContent.FromUsername, msgContent.ToUsername, msgContent.CreateTime, msgContent.MsgType, filename)
 	third_part.SendPicFile(msgContent.FromUsername, filename)
 }

handle/replyText.go

@@ -20,8 +20,16 @@ func replyText(msgContent MsgContent, timestamp, nonce string, w http.ResponseWr
 		} else if msgContent.Content == "history" {
 			cmdString = utils.SlicePrint(global.HistoryCmds)
 		} else if msgContent.Content == "删除图片" {
-			log.Println("删除图片")
-			return
+			lastImg := GetLastWechatLog(msgContent.FromUsername, "image")
+			err := utils.DeleteFile(lastImg.Content)
+			if err != nil {
+				log.Println("删除图片失败")
+				return
+			} else {
+				log.Println("删除图片")
+				return
+			}
+
 		} else {
 			cmdString = msgContent.Content
 		}

utils/file.go

@@ -15,3 +15,12 @@ func RandomFile(dirname string) string {
 	return fileList[rand.Intn(len(fileList))].Name()
 
 }
+
+func DeleteFile(filename string) error {
+	err := os.Remove(filename)
+	if err != nil {
+		log.Println(err)
+		return err
+	}
+	return nil
+}