104 lines
2.8 KiB
PHP
104 lines
2.8 KiB
PHP
<?php
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namespace app\controller;
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use support\Request;
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use app\model\User;
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class UserController
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{
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public function hello(Request $request)
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{
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$default_name = 'webman';
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// 从get请求里获得name参数，如果没有传递name参数则返回$default_name
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$name = $request->get('name', $default_name);
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// 向浏览器返回字符串
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return response('hello ' . $name);
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}
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public function create(Request $request)
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{
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// 单条创建
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$user = User::create([
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'name' => 'webman',
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'age' => 3,
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'email' => 'webman@example.com',
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'tags' => ['php', 'webman', 'mongodb'] // MongoDB 原生数组
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]);
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// 批量创建
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// $users = User::insert([
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// ['name' => 'user1', 'age' => 20],
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// ['name' => 'user2', 'age' => 22]
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// ]);
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return json([
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'success' => true,
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'id' => $user->_id, // 自动转为字符串
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'created_at' => $user->created_at->format('Y-m-d H:i:s')
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]);
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}
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// 2. 查询文档（支持所有 Eloquent 查询方法）
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public function get(Request $request)
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{
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// 单条查询
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$user = User::where('name', 'webman')->first();
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// 或通过 ID 查询
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// $user = User::find('66e7d8...'); // _id 字符串
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// 多条查询（分页、排序、筛选）
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$users = User::where('age', '>=', 1)
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->whereIn('tags', ['php']) // 数组字段查询
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->orderBy('created_at', 'desc')
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->paginate(10); // 自动分页（返回 total、per_page 等字段）
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// 聚合查询（统计、分组）
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$ageCount = User::where('age', '>=', 18)
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->groupBy('age')
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->selectRaw('age, count(_id) as total')
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->get();
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return json([
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'user' => $user,
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'users' => $users->items(),
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'total' => $users->total(),
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'age_count' => $ageCount
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]);
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}
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// 3. 更新文档
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public function update(Request $request)
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{
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$user = User::find($request->input('id'));
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if (!$user) {
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return json(['success' => false, 'msg' => '用户不存在'], 404);
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}
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// 单个更新
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$user->age = 4;
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$user->save();
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// 批量更新
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// User::where('name', 'webman')->update(['age' => 4]);
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return json(['success' => true, 'updated_at' => $user->updated_at]);
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}
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// 4. 删除文档
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public function delete(Request $request)
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{
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$user = User::find($request->input('id'));
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if (!$user) {
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return json(['success' => false, 'msg' => '用户不存在'], 404);
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}
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$user->delete();
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// 批量删除
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// User::where('age', '<', 18)->delete();
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return json(['success' => true]);
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}
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} |