perf: cdr/ue/kpi查询列表数据排序改为程序内处理，加快sql查询速度

features/pm/kpi_c_report/controller.go

@@ -3,6 +3,7 @@ package kpi_c_report
 import (
 	"fmt"
 	"net/http"
+	"sort"
 	"strconv"
 	"strings"
 
@@ -131,10 +132,10 @@ func (k *KpiCReport) GetReport2FE(c *gin.Context) {
 	}
 
 	// order by
-	if sortField, sortOrder := querys.SortField, querys.SortOrder; sortField != "" && sortOrder != "" {
-		orderBy := fmt.Sprintf("%s %s", sortField, sortOrder)
-		dbg = dbg.Order(orderBy)
-	}
+	// if sortField, sortOrder := querys.SortField, querys.SortOrder; sortField != "" && sortOrder != "" {
+	// 	orderBy := fmt.Sprintf("%s %s", sortField, sortOrder)
+	// 	dbg = dbg.Order(orderBy)
+	// }
 
 	//err := dborm.DefaultDB().Table(tableName).Where(whereSql, params...).Find(&reports).Error
 	err := dbg.Find(&results).Error
@@ -143,6 +144,46 @@ func (k *KpiCReport) GetReport2FE(c *gin.Context) {
 		return
 	}
 
+	// 排序
+	if querys.SortField != "" {
+		sort.SliceStable(results, func(i, j int) bool {
+			// 支持的排序字段映射
+			fieldGetters := map[string]func(*KpiCReport) any{
+				"id":         func(row *KpiCReport) any { return row.ID },
+				"timeGroup":  func(row *KpiCReport) any { return row.CreatedAt.Unix() },
+				"created_at": func(row *KpiCReport) any { return row.CreatedAt.Unix() },
+				// 可添加更多支持的字段
+			}
+
+			// 获取字段 getter 函数
+			getter, ok := fieldGetters[querys.SortField]
+			if !ok {
+				// 非法字段，使用默认排序（id升序）
+				return results[i].ID < results[j].ID
+			}
+
+			// 获取比较值
+			valI, valJ := getter(&results[i]), getter(&results[j])
+
+			// 根据字段类型进行比较
+			switch v := valI.(type) {
+			case int64:
+				if querys.SortOrder == "desc" {
+					return v > valJ.(int64)
+				}
+				return v < valJ.(int64)
+			case string:
+				if querys.SortOrder == "desc" {
+					return v > valJ.(string)
+				}
+				return v < valJ.(string)
+			default:
+				// 不支持的字段类型，使用默认排序
+				return results[i].ID < results[j].ID
+			}
+		})
+	}
+
 	reports := []map[string]any{}
 	for _, r := range results {
 		report := map[string]any{