feat(curd): 关联表优化支持 add relation support and optimize model associations

- Add support for handling relations in CURD operations
- Optimize model associations to use hasOne instead of belongsTo
- Implement field selection for relations
- Update controller to handle AJAX requests and return JSON data Modify model to include relation methods

app/admin/service/curd/BuildCurd.php

@@ -355,6 +355,7 @@ class BuildCurd
             if (!empty($bindSelectField) && !in_array($bindSelectField, array_column($columns, 'Field'))) {
                 throw new TableException("关联表{$relationTable}不存在该字段: {$bindSelectField}");
             }
+            $onlyFields = [];
             foreach ($columns as $vo) {
                 if (empty($primaryKey) && $vo['Key'] == 'PRI') {
                     $primaryKey = $vo['Field'];
@@ -362,6 +363,7 @@ class BuildCurd
                 if (!empty($onlyShowFields) && !in_array($vo['Field'], $onlyShowFields)) {
                     continue;
                 }
+                if (!empty($onlyShowFields)) $onlyFields[] = $vo['Field'];
                 $colum = [
                     'type'    => $vo['Type'],
                     'comment' => $vo['Comment'],
@@ -388,6 +390,7 @@ class BuildCurd
                 'bindSelectField' => $bindSelectField,
                 'delete'          => $delete,
                 'tableColumns'    => $formatColumns,
+                'onlyFields'      => $onlyFields,
             ];
             if (!empty($bindSelectField)) {
                 $relationArray                                      = explode('\\', $modelFilename);
@@ -1038,7 +1041,7 @@ class BuildCurd
             $relationCode = '';
             foreach ($this->relationArray as $key => $val) {
                 $relation     = CommonTool::lineToHump($key);
-                $relationCode = "->withJoin('{$relation}', 'LEFT')\r";
+                $relationCode = "with(['{$relation}'])";
                 if (!empty($val['bindSelectField']) && !empty($val['primaryKey'])) {
                     $constructRelation = '$notes["' . lcfirst($val['foreignKey']) . '"] = \app\admin\model\\' . $val['modelFilename'] . '::column("' . $val['bindSelectField'] . '", "' . $val['primaryKey'] . '");';
                 }
@@ -1092,16 +1095,17 @@ class BuildCurd
         $relationList = '';
         if (!empty($this->relationArray)) {
             foreach ($this->relationArray as $key => $val) {
-                $relation = CommonTool::lineToHump($key);
-                //                $relationCode = CommonTool::replaceTemplate(
-                //                    $this->getTemplate("model{$this->DS}relation"),
-                //                    [
-                //                        'relationMethod' => $relation,
-                //                        'relationModel'  => "\app\admin\model\\{$val['modelFilename']}",
-                //                        'foreignKey'     => $val['foreignKey'],
-                //                        'primaryKey'     => $val['primaryKey'],
-                //                    ]);
-                //                $relationList .= $relationCode;
+                $relation     = CommonTool::lineToHump($key);
+                $relationCode = CommonTool::replaceTemplate(
+                    $this->getTemplate("model{$this->DS}relation"),
+                    [
+                        'relationMethod' => $relation,
+                        'relationModel'  => "{$val['modelFilename']}::class",
+                        'foreignKey'     => $val['primaryKey'],
+                        'primaryKey'     => $val['foreignKey'],
+                        'relationFields' => empty($val['onlyFields']) ? "" : "->field('{$val['primaryKey']}," . implode(',', $val['onlyFields']) . "')",
+                    ]);
+                $relationList .= $relationCode;
             }
         }
 

app/admin/service/curd/templates/controller/controller.code

@@ -17,8 +17,9 @@ class {{controllerName}} extends AdminController
     {
         parent::__construct($app);
         self::$model = {{modelFilename}}::class;
-        $this->notes = $notes = self::$model::$notes;
+        $notes = self::$model::$notes;
         {{constructRelation}}
+        $this->notes =$notes;
         $this->assign(compact('notes'));
     }
 

app/admin/service/curd/templates/controller/indexMethod.code

@@ -0,0 +1,21 @@
+
+    #[NodeAnnotation(title: '列表', auth: true)]
+    public function index(\app\Request $request): \think\response\Json|string
+    {
+        if ($request->isAjax()) {
+            if (input('selectFields')) {
+                return $this->selectList();
+            }
+            list($page, $limit, $where) = $this->buildTableParams();
+            $count = self::$model::where($where)->count();
+            $list  = self::$model::where($where)->{{relationIndexMethod}}->page($page, $limit)->order($this->sort)->select()->toArray();
+            $data  = [
+                'code'  => 0,
+                'msg'   => '',
+                'count' => $count,
+                'data'  => $list,
+            ];
+            return json($data);
+        }
+        return $this->fetch();
+    }

app/admin/service/curd/templates/model/model.code

@@ -18,4 +18,6 @@ class {{modelName}} extends TimeModel
 
     public static array $notes = {{selectArrays}};
 
+    {{relationList}}
+
 }

app/admin/service/curd/templates/model/relation.code

@@ -1,5 +1,5 @@
 
     public function {{relationMethod}}()
     {
-        return $this->belongsTo('{{relationModel}}', '{{foreignKey}}', '{{primaryKey}}');
+        return $this->hasOne({{relationModel}}, '{{foreignKey}}', '{{primaryKey}}'){{relationFields}};
     }