refactor(查询逻辑): 将ORM查询重构为原生SQL以提高性能

将多个文件中的ORM查询重构为原生SQL，减少数据库查询的复杂性并提高性能。主要修改包括将`DB::table`和`DB::select`替换为直接SQL语句，并优化了日期范围和分组条件的处理。

app/Admin/Controllers/CovenantReceivePaymentController.php

@@ -103,11 +103,11 @@ protected function grid()
                 $filter->panel();
                 //$filter->like('lnum', '律师编号')->width(3);
                 $filter->like('lname', '律师名称')->width(3);
-                // $filter->like('cnum', '合同编号')->width(3);
+                $filter->like('cnum', '合同编号')->width(3);
                 // $filter->equal('ctype', '合同类型')->select(ModelsCovenant::CTYPE)->width(3);
                 // $filter->like('principal', '委托人')->width(3);
-                // $filter->between('received_at', '收款日期')->date()->width(4);
-                // $filter->between('invoiced_at', '开票日期')->date()->width(4);
+                 $filter->between('received_at', '收款日期')->date()->width(4);
+                 $filter->between('invoiced_at', '开票日期')->date()->width(4);
             });
 
             // 添加导出按钮

app/Admin/Extensions/CovenantReceivePaymentExportExten.php

@@ -62,51 +62,50 @@ public function getList($param)
         $received_at = $param['received_at'] ?? [];
         $invoiced_at = $param['invoiced_at'] ?? [];
 
-        DB::enableQueryLog();
-        $query = DB::table("covenant_receive_payment as rp")
-            ->select(DB::raw('rp.cid, c.cname as covenant_name, c.ctype as covenant_type, c.number as covenant_num, c.principal, l.name as lname, 
-                sum(CASE WHEN rp.rtype = 2 THEN rp.invoiced_money ELSE 0 END) as invoice_amount,
-                sum(CASE WHEN rp.rtype = 1 THEN rp.received_amount ELSE 0 END) as receipt_money'))
-            ->leftJoin('covenant as c', 'rp.cid', '=', 'c.id')
-            ->leftJoin('lawyer as l', 'rp.lawyer_id', '=', 'l.id');
+        // 构建基础SQL
+        $sql = "SELECT rp.cid, c.cname as covenant_name, c.ctype as covenant_type, c.number as covenant_num, c.principal, l.name as lname, 
+                SUM(CASE WHEN rp.rtype = 2 THEN rp.invoiced_money ELSE 0 END) as invoice_amount,
+                SUM(CASE WHEN rp.rtype = 1 THEN rp.received_amount ELSE 0 END) as receipt_money
+                FROM covenant_receive_payment as rp
+                LEFT JOIN covenant as c ON rp.cid = c.id
+                LEFT JOIN lawyer as l ON rp.lawyer_id = l.id
+                WHERE rp.deleted_at IS NULL";
 
         // 筛选条件
         if (!empty($search['lname'])) {
-            $query->where('l.name', 'like', '%'.$search['lname'].'%');
+            $sql .= " AND l.name LIKE '%".$search['lname']."%'";
         }
-
         if (!empty($search['cnum'])) {
-            $query->where('c.number', 'like', '%'.$search['cnum'].'%');
+            $sql .= " AND c.number LIKE '%".$search['cnum']."%'";
         }
-
         if (!empty($search['ctype'])) {
-            $query->where('c.ctype', $search['ctype']);
+            $sql .= " AND c.ctype = '".$search['ctype']."'";
         }
-
         if (!empty($search['principal'])) {
-            $query->where('c.principal', 'like', '%'.$search['principal'].'%');
+            $sql .= " AND c.principal LIKE '%".$search['principal']."%'";
         }
 
         // 日期筛选
         if (!empty($received_at)) {
             if (!empty($received_at['start'])) {
-                $query->where('rp.received_at', '>=', $received_at['start']);
+                $sql .= " AND rp.received_at >= '".$received_at['start']."'";
             }
             if (!empty($received_at['end'])) {
-                $query->where('rp.received_at', '<=', $received_at['end']);
+                $sql .= " AND rp.received_at <= '".$received_at['end']."'";
             }
         }
-
         if (!empty($invoiced_at)) {
             if (!empty($invoiced_at['start'])) {
-                $query->where('rp.invoiced_at', '>=', $invoiced_at['start']);
+                $sql .= " AND rp.invoiced_at >= '".$invoiced_at['start']."'";
             }
             if (!empty($invoiced_at['end'])) {
-                $query->where('rp.invoiced_at', '<=', $invoiced_at['end']);
+                $sql .= " AND rp.invoiced_at <= '".$invoiced_at['end']."'";
             }
         }
 
-        $records = $query->groupBy('rp.cid')->get();
+        $sql .= " GROUP BY rp.cid, c.cname, c.ctype, c.number, c.principal, l.name";
+
+        $records = DB::select($sql);
 
         // 计算合计
         $total_invoice_amount = 0;
@@ -152,4 +151,4 @@ public function getList($param)
 
         return $data;
     }
-} 
\ No newline at end of file
+}
\ No newline at end of file