497 lines
16 KiB
PHP
497 lines
16 KiB
PHP
<?php
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namespace App\Service\core;
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use App\Models\CodeGenerationModel;
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use App\Service\common\UtilsService;
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use App\Service\MenuService;
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use Exception;
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use Illuminate\Http\JsonResponse;
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use Illuminate\Support\Facades\DB;
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use Illuminate\Support\Facades\Storage;
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use Symfony\Component\HttpFoundation\BinaryFileResponse;
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class CodeGenerationService
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{
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const TEXT_TYPE = [
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'LONGTEXT',
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'TEXT',
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'longtext',
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'text',
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];
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const INT_TYPE = [
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'INT',
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'TINYINT',
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'BIGINT',
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'SMALLINT',
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'FLOAT',
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'DECIMAL',
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'int',
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'tinyint',
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'bigint',
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'smallint',
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'float',
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'decimal',
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];
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private static mixed $_instance;
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private ?UtilsService $utils;
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private string $uniqid = '';
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private string $tempDir = '';
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// 大驼峰
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private string $upperCamelCase = '';
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// 小驼峰
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private string $lowerCamelCase = '';
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// 下划线
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private string $underLineCase = '';
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private string $classComment = '';
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// - 连接符
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private string $dashCase = '';
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/**
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* @var string 建表sql语句
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*/
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private string $sql = '';
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private array $param = [];
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private string $selectField = '"id"';
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private string $insertField = '';
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private string $updateField = '';
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private string $viewForm = '';
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private string $viewSearch = '';
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private string $searchField = '';
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private string $viewData = '';
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private array $tmpFile = [];
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public function __construct()
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{
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$this->utils = UtilsService::getInstance();
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}
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/**
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* 获取实例
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* @return null|static
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*/
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public static function getInstance(): null|static
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{
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$name = get_called_class();
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if (!isset(self::$_instance[$name])) {
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self::$_instance[$name] = new static();
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}
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return self::$_instance[$name];
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}
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/**
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* 下载文件
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* @param $id
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* @return BinaryFileResponse
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* @throws Exception
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*/
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public function download($id)
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{
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$model = CodeGenerationModel::find($id);
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if (!$model) {
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$this->utils->errorThrow('文件不存在');
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}
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// 返回下载 $path 文件流
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return response()->download($model['path'], $model['file_name'], ['Content-Type' => 'application/zip']);
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}
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/**
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* 下载文件信息
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* @param $id
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* @return mixed
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* @throws Exception
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*/
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public function downloadInfo($id)
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{
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$model = CodeGenerationModel::find($id);
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if (!$model) {
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$this->utils->errorThrow('文件不存在');
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}
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// 返回下载 $path 文件流
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return $model;
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}
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/**
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* 创建临时文件夹，复制模板文件，压缩并文件信息
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*/
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public function downloadUrl()
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{
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try {
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// 将后端模板文件内容写入临时目录中
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$tempFilePath = "{$this->tempDir}/api/{$this->upperCamelCase}Controller.php";
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Storage::put($tempFilePath, $this->tmpFile['server']['controller']);
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$tempFilePath = "{$this->tempDir}/api/{$this->upperCamelCase}Service.php";
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Storage::put($tempFilePath, $this->tmpFile['server']['service']);
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$tempFilePath = "{$this->tempDir}/api/{$this->upperCamelCase}Model.php";
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Storage::put($tempFilePath, $this->tmpFile['server']['model']);
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// 创建ZipService实例
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$zip = new ZipService();
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// 生成压缩文件的路径
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$zipFile = storage_path("/app/public/zip/code-generation/{$this->classComment}-{$this->uniqid}.zip");
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// 被压缩文件夹的路径
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$path = Storage::path($this->tempDir);
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// 执行文件压缩
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$zip->zip($zipFile, $path);
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$insertModel = CodeGenerationModel::create([
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'title' => $this->classComment,
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'file_name' => "{$this->classComment}-{$this->uniqid}.zip",
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'path' => $zipFile,
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'params' => json_encode($this->param),
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'created_at' => time(),
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'updated_at' => time(),
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]);
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// 删除Store/app/www
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Storage::deleteDirectory('www');
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return [
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'id' => $insertModel->id,
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'file_name' => $insertModel->file_name
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];
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} catch (\Exception $e) {
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return response()->json([
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'error' => '生成模板文件失败',
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'message' => $e->getMessage()
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], 500);
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}
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}
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/**
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* 初始化参数
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* @return void
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*/
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private function init()
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{
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// 生成uuid
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$this->uniqid = uniqid();
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// 处理类名、表名
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$this->upperCamelCase = ucfirst($this->param['class_name']);
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$this->lowerCamelCase = lcfirst($this->param['class_name']);
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$this->underLineCase = strtolower(preg_replace('/([A-Z])/', '_$1', $this->param['class_name']));
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$this->dashCase = str_replace('_', '-', $this->underLineCase);
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$this->classComment = $this->param['class_comment'];
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// 生成文件
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// 检查/app/public/zip/code-generation/目录是否存在，如果不存在则创建
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if (!Storage::exists('zip/code-generation')) {
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Storage::makeDirectory('zip/code-generation');
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}
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// 生成唯一的临时目录名
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$this->tempDir = 'temp/templates/' . $this->upperCamelCase . '-' . $this->uniqid;
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Storage::makeDirectory($this->tempDir);
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}
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/**
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* 代码生成主逻辑
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*
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* @param $params
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* @return mixed
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* @throws Exception
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*/
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public function generate($params): mixed
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{
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$this->param = $params;
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DB::beginTransaction();
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try {
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// 初始化信息
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$this->init();
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// 生成数据库
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$this->genDatabase();
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// 生成控制器
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$this->genController();
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// 生成服务层
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$this->genService();
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// 生成模型层
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$this->genModel();
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// 生成路由
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$this->genRoute();
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// 执行sql
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$this->querySql();
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// 生成视图
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$this->genViews();
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// 生成菜单
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$this->genMenu();
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} catch (Exception $e) {
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DB::rollBack();
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// ds([
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// 'error' => '生成代码失败',
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// 'message' => $e->getMessage(),
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// 'line' => $e->getLine(),
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// 'file' => $e->getFile(),
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// ]);
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$this->utils->errorThrow($e->getMessage());
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}
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return $this->downloadUrl();
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}
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/**
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* 生成 数据库表
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*
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* @return true
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* @throws Exception
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*/
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public function genDatabase(): bool
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{
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$tableName = config('database.prefix', 'nl_') . $this->underLineCase;
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// 默认sql语句
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$sql = "CREATE TABLE `{$tableName}` ( `id` int(11) NOT NULL AUTO_INCREMENT COMMENT 'ID', ";
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$sqlTime =
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" `status` tinyint(1) NOT NULL DEFAULT '0' COMMENT '状态 0：正常 1：禁用',"
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. " `created_at` int(11) NOT NULL DEFAULT '0' COMMENT '创建时间',"
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. "`updated_at` int(11) NOT NULL DEFAULT '0' COMMENT '修改时间',"
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. "`deleted_at` int(11) NOT NULL DEFAULT '0' COMMENT '删除时间',";
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$sqlEnd = "PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='{$this->classComment}表';";
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foreach ($this->param['field'] as $v) {
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// 处理所需的字段
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$this->checkSelectField($v);
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// 处理备注
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if (empty($v['comment'])) $v['comment'] = "''";
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// 处理是否为空
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$v['not_null'] = !$v['not_null'] ? '' : 'NOT';
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// 处理默认值
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if (array_key_exists('default', $v) && isset($v['default'])) {
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$v['default'] = 'DEFAULT ' . "'{$v['default']}'";
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} else {
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$v['default'] = (strpos($v['type'], 'INT') || in_array($v['type'], self::INT_TYPE)) ? 'DEFAULT ' . 0 : 'DEFAULT ' . '\'\'';
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}
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if (in_array($v['type'], self::TEXT_TYPE)) {
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// 编写sql语句
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$sql .= " {$v['name']} {$v['type']} {$v['not_null']} NULL COMMENT '{$v['comment']}', ";
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} else {
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// 编写sql语句
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$sql .= " {$v['name']} {$v['type']}({$v['type_length']}) {$v['default']} {$v['not_null']} NULL COMMENT '{$v['comment']}', ";
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}
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}
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$this->sql = $sql . $sqlTime . $sqlEnd;
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return true;
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}
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/**
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* 修改api配置文件
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*
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* @return void
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* @throws Exception
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*/
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private function genRoute(): void
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{
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$apiPath = app_path('../routes/api.php');
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$apiFile = file_get_contents($apiPath, 'y');
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$newApi =
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"'{$this->dashCase}' => \App\Http\Controllers\Api\CodeGeneration\\{$this->upperCamelCase}Controller::class, // {$this->classComment} \r\n // 需要登录的路由生成地址";
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$updateNewFile = str_replace('// 需要登录的路由生成地址', $newApi, $apiFile);
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$updateFile = file_put_contents($apiPath, $updateNewFile);
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if (!$updateFile) $this->utils->errorThrow('写入api文件出现了错误');
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}
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/**
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* 生成控制器文件
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* @return void
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*/
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private function genController(): void
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{
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$this->strReplaceTmp(
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app_path('template/api/TemplateController.php'),
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app_path("Http/Controllers/Api/CodeGeneration/{$this->upperCamelCase}Controller.php"),
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'server',
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'controller'
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);
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}
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/**
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* 生成服务层文件
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* @return void
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*/
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private function genService(): void
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{
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$this->strReplaceTmp(
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app_path('template/api/TemplateService.php'),
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app_path("Service/CodeGeneration/{$this->upperCamelCase}Service.php"),
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'server',
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'service'
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);
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}
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/**
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* 生成模型层文件
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* @return void
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*/
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private function genModel(): void
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{
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$this->strReplaceTmp(
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app_path('template/api/TemplateModel.php'),
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app_path("Models/{$this->upperCamelCase}Model.php"),
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'server',
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'model'
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);
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}
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/**
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* 生成前端部分文件
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* @return void
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*/
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private function genViews(): void
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{
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$appPath = app_path();
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$viewList = [
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'view-api' => 'api/index.ts',
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'view-modal' => 'components/modal.vue',
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'view-form' => 'config/form.ts',
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'view-search' => 'config/search.ts',
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'view-table' => 'config/table.ts',
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'view-index' => 'index.vue',
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];
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foreach ($viewList as $k => $v) {
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$this->strReplaceTmp(
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$appPath. '/template/view/' . $v,
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$this->tempDir. "/view/{$this->dashCase}/" . $v,
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'view',
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$k
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);
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}
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}
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/**
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* 生成菜单/授权
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*
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* @return void
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* @throws Exception
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*/
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private function genMenu(): void
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{
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MenuService::getInstance()->create([
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'title' => $this->classComment,
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'icon' => $this->param['icon']?? '',
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'name' => $this->upperCamelCase,
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'path' => "/{$this->dashCase}",
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'component' => "/my-gen/{$this->dashCase}/index",
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'pid' => $this->param['pid'],
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'sort' => $this->param['sort'],
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]);
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}
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/**
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* 模板内容替换
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*
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* @param $template
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* @param $path
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* @param $type
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* @param $fileKey
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* @return void
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*/
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private function strReplaceTmp($template, $path, $type, $fileKey): void
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{
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$tmpFile = file_get_contents($template);
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$newFile = str_replace('upperCamelCase', $this->upperCamelCase, $tmpFile);
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$newFile = str_replace('lowerCamelCase', $this->lowerCamelCase, $newFile);
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$newFile = str_replace('dashCase', $this->dashCase, $newFile);
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$newFile = str_replace('模板名称', $this->classComment, $newFile);
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switch ($fileKey) {
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case 'service':
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$newFile = str_replace("'tmpSelectField'", $this->selectField . ', "status", "created_at", "updated_at", "deleted_at"', $newFile);
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$newFile = str_replace("tmpSearchField", $this->searchField . ',status=', $newFile);
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break;
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case 'controller':
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$newFile = str_replace("'temInsertField'", '"' . $this->insertField . '"', $newFile);
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$newFile = str_replace("'temUpdateField'", '"' . $this->updateField . '"', $newFile);
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break;
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// case 'export':
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// $newFile = str_replace("'tmpExportField'", $this->exportField, $newFile);
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// $newFile = str_replace('$row->tmpMapField,', $this->exportFieldRow, $newFile);
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// break;
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// case 'import':
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// $newFile = str_replace("'tmpField' => \$row['tmpField'],", $this->importField, $newFile);
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// break;
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case 'model':
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$newFile = str_replace('underLineCase', cc_camel_case_to_underscore($this->underLineCase), $newFile);
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break;
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case 'view-form':
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$newFile = str_replace("// 生成的表单字段", "// 生成的表单字段 \r ". $this->viewForm, $newFile);
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break;
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case 'view-search':
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$newFile = str_replace("// 生成的搜索字段", "// 生成的搜索字段 \r ". $this->viewSearch, $newFile);
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break;
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case 'view-table':
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$newFile = str_replace("// 生成的列表字段", "// 生成的列表字段 \r ". $this->viewData, $newFile);
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break;
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}
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$this->tmpFile[$type][$fileKey] = $newFile;
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if (!file_exists($path) && in_array($fileKey, ['controller', 'service', 'model'])) {
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$this->utils->createFile($path);
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file_put_contents($path, $newFile);
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} else {
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Storage::put($path, $newFile);
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}
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}
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/**
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* 设置默认字段
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*
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* @param $item
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* @return void
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*/
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private function checkSelectField($item): void
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{
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if (empty($item)) return;
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// 设置列表字段
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if ($item['tableShow']) {
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$this->selectField .= ', "' . $item['name'] . '"';
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}
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// 设置表单字段
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if ($item['formShow']) {
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$isNull = $item['not_null'] == 1 ? "'required'" : "''";
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$this->insertField .= !empty($this->insertField) ? '","' . $item['name'] : $item['name'];
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$this->updateField .= !empty($this->updateField) ? '","' . $item['name'] : 'id","' . $item['name'];
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$this->viewForm .= "{\n fieldName: '" . $item['name'] . "',\n label: '" . $item['comment'] . "',\n component: '" . $item['formType'] . "',\n rules: " . $isNull . ",\n },\n";
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}
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// 设置搜索字段
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if ($item['search']) {
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$this->viewSearch .= "{\n fieldName: '" . $item['name'] . "',\n label: '" . $item['comment'] . "',\n component: '" . $item['formType'] . "',\n },\n ";
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$this->searchField .= !empty($this->searchField) ? "','" . $item['name'] . '\' => \'' . $item['searchValue'] : $item['name'] . '\' => \'' . $item['searchValue'];
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}
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// // 设置导出字段
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// $this->exportField .= !empty($this->exportField) ? ',"' . $item['comment'] . '"' : '"' . $item['comment'] . '"';
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// $this->exportFieldRow .= '$row->' . $item['name'] . ",\n ";
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// // 设置导入字段
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// $this->importField .= "'" . $item['name'] . "' => \$row['" . $item['comment'] . "'],\n ";
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// 设置视图数据字段
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$this->viewData .= "{ field: '{$item['name']}', title: '{$item['comment']}' },\n ";
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}
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/**
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* 执行sql
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*
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* @return void
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* @throws Exception
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*/
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private function querySql(): void
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{
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try {
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DB::statement($this->sql);
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} catch (Exception $e) {
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$this->utils->errorThrow($e->getMessage());
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}
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}
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}
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