新增备份

extend/catcher/CatchAdmin.php

@@ -50,6 +50,23 @@ class CatchAdmin
         return $directory;
     }
 
+    /**
+     * 备份地址
+     *
+     * @time 2019年12月13日
+     * @return string
+     */
+    public static function backupDirectory(): string
+    {
+        $directory = root_path('database/backup');
+
+        if (!is_dir($directory) && !mkdir($directory, 0777, true) && !is_dir($directory)) {
+            throw new \RuntimeException(sprintf('Directory "%s" was not created', $directory));
+        }
+
+        return $directory;
+    }
+
     /**
      *
      * @time 2019年12月03日

extend/catcher/base/CatchController.php

@@ -8,6 +8,8 @@ abstract class CatchController
 {
     protected $middleware = ['check_auth'];
 
+    protected $data = [];
+
     /**
      *
      * @time 2019年11月28日
@@ -26,6 +28,10 @@ abstract class CatchController
             'view_path' => CatchAdmin::getViews()[$this->getModule($end['class'])]
         ]);
 
+        if (!empty($this->data)) {
+            $data = array_merge($this->data, $data);
+        }
+
         return View::fetch($template ?  : $this->getTemp($end['class'], $end['function']), $data);
 
     }
@@ -62,4 +68,27 @@ abstract class CatchController
     {
         return explode('\\', $class)[1];
     }
+
+    /**
+     *
+     * @time 2019年12月13日
+     * @param $name
+     * @param $value
+     * @return void
+     */
+    public function __set($name, $value)
+    {
+        // TODO: Implement __set() method.
+        $this->data[$name] = $value;
+    }
+
+    public function __get($name)
+    {
+        // TODO: Implement __get() method.
+    }
+
+    public function __isset($name)
+    {
+        // TODO: Implement __isset() method.
+    }
 }

extend/catcher/base/CatchModel.php

@@ -17,6 +17,8 @@ abstract class CatchModel extends \think\Model
 
     protected $deleteTime = 'deleted_at';
 
+    protected $defaultSoftDelete = 0;
+
     protected $autoWriteTimestamp = true;
 
     protected $limit = 10;

extend/catcher/base/CatchRequest.php

@@ -5,7 +5,7 @@ use app\Request;
 use catcher\exceptions\ValidateFailedException;
 use think\Validate;
 
-abstract class CatchRequest extends Request
+class CatchRequest extends Request
 {
     /**
      * Request constructor.
@@ -35,8 +35,4 @@ abstract class CatchRequest extends Request
 
         return true;
     }
-
-    abstract protected function rules(): array;
-
-    abstract protected function message(): array;
 }

extend/catcher/command/BackupCommand.php

@@ -1 +1,182 @@
 <?php
+declare (strict_types = 1);
+
+namespace catcher\command;
+
+use catcher\CatchAdmin;
+use think\Config;
+use think\console\Command;
+use think\console\Input;
+use think\console\input\Argument;
+use think\console\input\Option;
+use think\console\Output;
+use think\facade\Db;
+
+class BackupCommand extends Command
+{
+    protected $table;
+
+    protected function configure()
+    {
+        // 指令配置
+        $this->setName('backup:data')
+            ->addArgument('tables', Argument::REQUIRED, 'backup tables')
+            ->addOption('zip', 'z',Option::VALUE_REQUIRED, 'is need zip')
+            ->setDescription('backup data you need');
+    }
+
+    protected function execute(Input $input, Output $output)
+    {
+        $tables = $this->input->getArgument('tables');
+
+        $isZip = $this->input->getOption('zip') ?? true;
+
+        $this->generator(explode(',', $tables), CatchAdmin::backupDirectory());
+
+        if ($isZip) {
+            $this->zip();
+        }
+
+        $output->info('succeed!');
+    }
+
+
+    /**
+     *
+     * @time 2019年09月30日
+     * @param $tables
+     * @param $format
+     * @param $path
+     * @return void
+     * @throws \think\db\exception\DbException
+     * @throws \think\db\exception\ModelNotFoundException
+     * @throws \think\db\exception\DataNotFoundException
+     */
+    public function generator($tables, $path)
+    {
+        foreach ($tables as $table) {
+            $this->table = $table;
+
+            $this->createDataFile();
+        }
+    }
+
+    /**
+     * 创建数据文件
+     *
+     * @time 2019年09月27日
+     * @param $format
+     * @return void
+     * @throws \think\db\exception\DbException
+     * @throws \think\db\exception\ModelNotFoundException
+     * @throws \think\db\exception\DataNotFoundException
+     */
+    public function createDataFile(): void
+    {
+        $file = CatchAdmin::backupDirectory() . $this->table . '.sql';
+
+        $handle = fopen($file, 'wb+');
+
+        fwrite($handle, $begin = "BEGIN;\r\n", \strlen($begin));
+        $this->createClass($this->table, $handle);
+        fwrite($handle, $end = 'COMMIT;', \strlen($end));
+
+        fclose($handle);
+    }
+
+    /**
+     * 创建了临时模型
+     *
+     * @time 2019年09月27日
+     * @param $table
+     * @param $format
+     * @param $handle
+     * @return void
+     * @throws \think\db\exception\DbException
+     * @throws \think\db\exception\ModelNotFoundException
+     * @throws \think\db\exception\DataNotFoundException
+     */
+    protected function createClass($table, $handle)
+    {
+        $this->setUnbuffered();
+
+        // 防止 IO 多次写入
+        $buffer = [];
+
+        // 记录中记录
+        $total = Db::table($table)->count();
+
+        $limit = 1000;
+
+        // 生成器减少内存
+        while ($total > 0) {
+            $items = Db::table($table)->limit($limit)->select();
+
+            $this->writeIn($handle, $items);
+
+            $total -= $limit;
+        }
+    }
+
+    /**
+     * sql 文件格式
+     *
+     * @time 2019年09月27日
+     * @param $handle
+     * @param $data
+     * @return void
+     */
+    protected function writeIn($handle, $datas)
+    {
+        $values = '';
+        $sql = '';
+        foreach ($datas as $data) {
+            foreach ($data as $value) {
+                $values .= sprintf("'%s'", $value) . ',';
+            }
+
+            $sql .= sprintf('INSERT INTO `%s` VALUE (%s);' . "\r\n", $this->table, rtrim($values, ','));
+            $values = '';
+        }
+
+        fwrite($handle, $sql, strlen($sql));
+    }
+
+
+    /**
+     * 设置未缓存模式
+     *
+     * @time 2019年09月29日
+     * @return void
+     */
+    protected function setUnbuffered()
+    {
+        $connections = \config('database.connections');
+
+        $connections['mysql']['params'] = [
+            \PDO::MYSQL_ATTR_USE_BUFFERED_QUERY => false
+        ];
+
+        \config($connections,'database');
+
+    }
+
+    protected function zip()
+    {
+        if (extension_loaded('zip')) {
+            $files = glob(CatchAdmin::backupDirectory() . '*.sql');
+            $zip = new \ZipArchive();
+            $zip->open(root_path('database/') . 'backup.zip', \ZipArchive::CREATE);
+            $zip->addEmptyDir('backup');
+            foreach ($files as $file) {
+                $zip->addFile($file, 'backup/'. basename($file));
+            }
+            $zip->close();
+
+            foreach ($files as $file) {
+                unlink($file);
+            }
+            rmdir(CatchAdmin::backupDirectory());
+        }
+    }
+}