Initial commit，修正

2025-07-13 19:37:38 +08:00
parent 38ce288e27
commit 65bbd06981
12384 changed files with 3985464 additions and 8 deletions
@@ -0,0 +1,57 @@
+<?php
+
+/**
+ * @Author: fm453
+ * @Date:   2018-08-17 19:39:41
+ * @Last Modified by:   fm453
+ * @Last Modified time: 2019-01-12 12:13:35
+ * @Email: fm453@lukegzs.com
+ */
+namespace backend\controllers;
+
+use Yii;
+use yii\data\Pagination;
+use yii\helpers\Url;
+
+class AttachController extends \yii\web\Controller
+{
+    public $enableCsrfValidation = false;   //取消csrf令牌验证；
+    //主界面
+    public function actionIndex()
+    {
+        $request = Yii::$app->request;
+        $get = $request->get();
+        $img = Urldecode($get['img']);
+        $file = Yii::getAlias("@upload").$img;
+        $img = file_get_contents($file);
+        $this->showImg($file);
+    }
+
+    /*
+     * php 页面直接输出图片
+     */
+    function showImg($img){
+        $info = getimagesize($img);
+        $imgExt = image_type_to_extension($info[2], false); //获取文件后缀
+        $fun = "imagecreatefrom{$imgExt}";
+        $imgInfo = $fun($img);         //1.由文件或 URL 创建一个新图象。如:imagecreatefrompng ( string $filename )
+        $mime = $info['mime'];
+        header('Content-Type:'.$mime);
+        $quality = 100;
+        if($imgExt == 'png') $quality = 9;   //输出质量,JPEG格式(0-100),PNG格式(0-9)
+        $getImgInfo = "image{$imgExt}";
+        $getImgInfo($imgInfo, null, $quality); //2.将图像输出到浏览器或文件。如: imagepng ( resource $image )
+        //TBD: PNG图片会显示其被修改前的原始文件，与直接用SRC引用的方法有所不同
+        imagedestroy($imgInfo);
+    }
+
+    /*图片转换为 base64格式编码*/
+    function base64EncodeImage ($image_file) {
+        $base64_image = '';
+        $image_info = getimagesize($image_file);
+        $image_data = fread(fopen($image_file, 'r'), filesize($image_file));
+        $base64_image = 'data:' . $image_info['mime'] . ';base64,' . chunk_split(base64_encode($image_data));
+        return $base64_image;
+    }
+
+}