add:新增导入导出公共接口

catch/system/controller/Excel.php

@@ -0,0 +1,105 @@
+<?php
+namespace catchAdmin\system\controller;
+
+use catcher\base\CatchController;
+use catcher\CatchResponse;
+use think\Request;
+
+class Excel extends CatchController
+{
+    /**
+     * 导出
+     *
+     * @time 2021年04月22日
+     * @param Request $request
+     * @return \think\response\Json
+     */
+    public function export(Request $request): \think\response\Json
+    {
+        $fields = $this->resetFields(\json_decode($request->post('fields'), true));
+
+        $excel = app()->make($request->post('model'))
+            ->field(array_column($fields, 'field'))
+            ->select()
+            ->each(function (&$item, $key) use ($fields) {
+                foreach ($fields as $field) {
+                    if (isset($field['options']) && count($field['options'])) {
+                        $options = $this->valueToLabel($field['options']);
+
+                        $item[$field['field']] = $options[$item[$field['field']]] ?? '';
+                    }
+                }
+        })->export(array_column($fields, 'name'));
+
+        return CatchResponse::success($excel);
+    }
+
+    /**
+     * 导入
+     *
+     * @time 2021年04月23日
+     * @param Request $request
+     * @return \think\response\Json
+     */
+    public function import(Request $request): \think\response\Json
+    {
+       return CatchResponse::success(app()->make($request->post('model'))
+                ->import(
+                    \json_decode($request->post('fields'), 'field'),
+                    $request->file('file')
+                ));
+
+    }
+
+    /**
+     * value => label
+     *
+     * @time 2021年04月22日
+     * @param array $options
+     * @return array
+     */
+    protected function valueToLabel(array $options): array
+    {
+        $p = [];
+        foreach ($options as $option) {
+            $p[$option['value']] = $option['label'];
+        }
+
+        return $p;
+    }
+
+    /**
+     *label => value
+     *
+     * @time 2021年04月22日
+     * @param array $options
+     * @return array
+     */
+    protected function labelToValue(array $options): array
+    {
+        $p = [];
+        foreach ($options as $option) {
+            $p[$option['label']] = $option['value'];
+        }
+
+        return $p;
+    }
+
+    /**
+     * 重组 fields
+     *
+     * @time 2021年04月22日
+     * @param array $fields
+     * @return array
+     */
+    protected function resetFields(array $fields): array
+    {
+        $f = [];
+
+        foreach ($fields as $field) {
+            $f[$field['field']] = $field;
+        }
+
+        return $f;
+    }
+}

catch/system/route.php

@@ -48,6 +48,11 @@ $router->group(function () use ($router) {
     $router->put('modules/<module>', '\catchAdmin\system\controller\Module@disOrEnable');
     $router->put('cache/modules', '\catchAdmin\system\controller\Module@cache');
     $router->delete('clear/modules', '\catchAdmin\system\controller\Module@clear');
+
+    // excel 导入&导出通用
+    $router->post('excel/export', '\catchAdmin\system\controller\Excel@export');
+    $router->post('excel/import', '\catchAdmin\system\controller\Excel@import');
+
 })->middleware('auth');
 
 // 获取 table