fix：混合表格支持半年度、年度

services/data/excel/mixed_table.go

@@ -642,6 +642,33 @@ func handleSystemAppointDateT(appointDay, frequency string) (date string, err er
 			}
 		}
 		date = tmpDate.Format(utils.FormatDate)
+	case "本半年":
+		month := currDate.Month()
+		var tmpDate time.Time
+		switch appointDay {
+		case "第一天":
+			if month <= 6 {
+				tmpDate = time.Date(currDate.Year(), 1, 1, 0, 0, 0, 0, currDate.Location())
+			} else {
+				tmpDate = time.Date(currDate.Year(), 7, 1, 0, 0, 0, 0, currDate.Location())
+			}
+		case "最后一天":
+			if month <= 6 {
+				tmpDate = time.Date(currDate.Year(), 6, 30, 0, 0, 0, 0, currDate.Location())
+			} else {
+				tmpDate = time.Date(currDate.Year(), 12, 31, 0, 0, 0, 0, currDate.Location())
+			}
+		}
+		date = tmpDate.Format(utils.FormatDate)
+	case "本年":
+		var tmpDate time.Time
+		switch appointDay {
+		case "第一天":
+			tmpDate = time.Date(currDate.Year(), 1, 1, 0, 0, 0, 0, currDate.Location())
+		case "最后一天":
+			tmpDate = time.Date(currDate.Year(), 12, 31, 0, 0, 0, 0, currDate.Location())
+		}
+		date = tmpDate.Format(utils.FormatDate)
 	default:
 		errMsg = "错误的日期频度：" + frequency
 		err = errors.New(errMsg)