初始化项目：添加后端代码、ThinkPHP框架、前端资源

2026-09-03 12:42:39 +08:00
commit 482bece22e
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+<?php
+
+namespace app\admin\controller;
+
+use app\common\controller\Backend;
+use app\admin\model\data\Area as AreaModel;
+
+/**
+ * 省市区数据控制器
+ */
+class Address extends Backend
+{
+    protected $areaModel = null;
+
+    public function _initialize()
+    {
+        parent::_initialize();
+        $this->areaModel = new AreaModel;
+    }
+
+    /**
+     * 获取省市区树形数据
+     * @return void
+     */
+    public function index()
+    {
+        $list = $this->areaModel->where('pid', 0)
+            ->order('id', 'asc')
+            ->field('id, pid, level, name')
+            ->with(['children' => function ($query) {
+                return $query->field('id, pid, level, name')->with(['children' => function ($query) {
+                    return $query->field('id, pid, level, name');
+                }]);
+            }])
+            ->select();
+
+        $this->success('获取成功', $list);
+    }
+
+    /**
+     * 获取下级地区
+     * @return void
+     */
+    public function children()
+    {
+        $pid = $this->request->param('pid', 0);
+
+        $list = $this->areaModel->where('pid', $pid)
+            ->order('id', 'asc')
+            ->field('id, pid, level, name')
+            ->select();
+
+        $this->success('获取成功', $list);
+    }
+
+    /**
+     * 根据名称搜索地区
+     * @return void
+     */
+    public function search()
+    {
+        $keyword = $this->request->param('keyword');
+        if (empty($keyword)) {
+            $this->error('请输入搜索关键词');
+        }
+
+        $list = $this->areaModel->whereLike('name', '%' . $keyword . '%')
+            ->order('id', 'asc')
+            ->field('id, pid, level, name')
+            ->limit(20)
+            ->select();
+
+        $this->success('获取成功', $list);
+    }
+}