From e75e80b391cf5a2e26a18729ee19c45b97f5e187 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?IT=E5=B0=8F=E5=BC=BAxqitw=2Ecn?= <360237521@qq.com>
Date: Thu, 7 Jun 2018 13:42:07 +0800
Subject: [PATCH] =?UTF-8?q?=E5=B7=A5=E5=85=B7=E7=B1=BB=E6=9B=B4=E6=96=B0?=
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---
 src/lib/Tools.php | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)

diff --git a/src/lib/Tools.php b/src/lib/Tools.php
index 4800f78..ebf46a9 100644
--- a/src/lib/Tools.php
+++ b/src/lib/Tools.php
@@ -47,4 +47,36 @@ class Tools
         $str = preg_replace('/^\_/', '', $str);
         return $str;
     }
+    
+    /**
+     * 获取数组、对象下标对应值，不存在时返回指定的默认值
+     * @param string|integer $name - 下标（键名）
+     * @param array|object $data - 原始数组/对象
+     * @param mixed $default - 指定默认值
+     * @return mixed
+     */
+    public static function getSubValue($name, $data, $default = '') {
+        if (is_object($data)) {
+            $value = isset($data->$name) ? $data->$name : $default;
+        } else if (is_array($data)) {
+            $value = isset($data[$name]) ? $data[$name] : $default;
+        } else {
+            $value = $default;
+        }
+        return $value;
+    }
+    
+    /**
+     * 文件下载
+     * @param string - $docHtml - API文档HTML内容
+     */
+    public static function downloadFile($docHtml) {
+        set_time_limit(0);
+        //下载文件需要用到的头
+        header('Content-type: application/octet-stream');
+        header('Accept-Ranges: bytes');
+        header('Content-Disposition: attachment; filename=api-doc_' . date('Y-m-d') . '.html');
+        echo $docHtml;
+        exit();
+    }
 }
\ No newline at end of file