feat(request): add request param check ✨

app/demo/controllers/Index.php

@@ -10,7 +10,7 @@
 namespace App\Demo\Controllers;
 
 use Framework\App;
-use Framework\Loger;
+use Framework\Logger;
 
 /**
  * Index Controller
@@ -42,12 +42,16 @@ public function hello()
      *
      * @param   string $username 用户名
      * @param   string $password 密码
-     * @example domain/Demo/Index/get?username=test&password=123456
+     * @param   number code      验证码
+     * @example domain/Demo/Index/test?username=tigerb&password=123456789987&code=123456
      * @return  json
      */
     public function test()
     {
         $request = App::$container->getSingle('request');
+        $request->check('username', 'require');
+        $request->check('password', 'length', 12);
+        $request->check('code', 'number');
         return [
             'username' =>  $request->get('username', 'default value')
         ];

framework/Request.php

@@ -11,6 +11,8 @@
 
 namespace Framework;
 
+use Framework\Exceptions\CoreHttpException;
+
 /**
  * 请求
  *
@@ -154,21 +156,6 @@ public function __construct(App $app)
         $this->loadEnv($app);
     }
 
-    /**
-     * 加载环境参数
-     *
-     * @param  App    $app 框架实例
-     * @return void
-     */
-    public function loadEnv(App $app)
-    {
-        $env = parse_ini_file($app->rootPath . '/.env', true);
-        if ($env === false) {
-            throw CoreHttpException('load env fail', 500);
-        }
-        $this->envParams = array_merge($_ENV, $env);
-    }
-
     /**
      * 魔法函数__get.
      *
@@ -292,4 +279,65 @@ public function env($value = '')
         }
         return '';
     }
+
+    /**
+     * 加载环境参数
+     *
+     * @param  App    $app 框架实例
+     * @return void
+     */
+    public function loadEnv(App $app)
+    {
+        $env = parse_ini_file($app->rootPath . '/.env', true);
+        if ($env === false) {
+            throw CoreHttpException('load env fail', 500);
+        }
+        $this->envParams = array_merge($_ENV, $env);
+    }
+
+    /**
+     * 参数验证
+     *
+     * 支持必传参数验证，参数长度验证，参数类型验证
+     *
+     * @param  string $paramName 参数名
+     * @param  string $rule      规则
+     * @return mixed
+     */
+    public function check($paramName = '', $rule = '', $length = 0)
+    {
+        if (! is_int($length)) {
+            throw new CoreHttpException(
+                400,
+                "length type is not int"
+            );
+        }
+
+        if ($rule === 'require') {
+            if (! empty($this->request($paramName))) {
+                return;
+            }
+            throw new CoreHttpException(404, "param {$paramName}");
+        }
+
+        if ($rule === 'length') {
+            if (strlen($this->request($paramName)) === $length) {
+                return;
+            }
+            throw new CoreHttpException(
+                400,
+                "param {$paramName} length is not {$length}"
+            );
+        }
+
+        if ($rule === 'number') {
+            if (is_numeric($this->request($paramName))) {
+                return;
+            }
+            throw new CoreHttpException(
+                400,
+                "{$paramName} type is not number"
+            );
+        }
+    }
 }