first commit

2022-08-19 19:48:37 +08:00
commit afdd648b65
3275 changed files with 631084 additions and 0 deletions
--- a/app/common/library/Images.php
+++ b/app/common/library/Images.php
@@ -0,0 +1,108 @@
+<?php
+declare (strict_types=1);
+
+namespace app\common\library;
+
+use think\Image;
+
+/**
+ * @mixin \think\Images
+ */
+class Images
+{
+    /**
+     * 水印函数
+     * @access public
+     * @param string $filename 文件路径
+     * @param array $config 配置数组
+     * @return mixed
+     * @throws \Exception
+     */
+    public function waterMark(string $filename, array $config)
+    {
+
+        try {
+
+            // 获取文件信息
+            $Image = Image::open($filename);
+            $ImageInfo = getimagesize($filename);
+
+            // 判断水印类型
+            if ($config['upload_water_type']) { // 文字水印
+                $size = $config['upload_water_size'] ? $config['upload_water_size'] : 15;
+                $color = $config['upload_water_color'] ?: '#000000';
+                $ttf = public_path() . '/static/font/default.ttf';
+                if (!preg_match('/^#[0-9a-fA-F]{6}$/', $color)) {
+                    $color = '#000000';
+                }
+
+                // 设置透明度
+                $transparency = intval((100 - $config['upload_water_pct']) * (127 / 100));
+                $color .= dechex($transparency);
+                $resWater = $Image->text($config['upload_water_font'], $ttf, $size, $color, $config['upload_water_pos'])->save($filename);
+
+            } else {
+
+                if (!file_exists($config['upload_water_img'])) {
+                    return false;
+                }
+
+                $ImageWaterInfo = getimagesize($config['upload_water_img']);
+
+                // 对比图片大小
+                if ($ImageWaterInfo[0] >= $ImageInfo[0] ||
+                    $ImageWaterInfo[1] >= $ImageInfo[1]) {
+                    return false;
+                }
+
+                // 检查图片
+                $resWater = $Image->water($config['upload_water_img'], $config['upload_water_pos'], $config['upload_water_pct'])->save($filename);
+            }
+
+            return $resWater ?? false;
+        } catch (\Throwable $th) {
+            throw new \Exception($th->getMessage());
+        }
+    }
+
+    /**
+     * 微缩图函数
+     * @access public
+     * @param $filepath
+     * @param $filename
+     * @param $config
+     * @param bool $avatar
+     * @param bool $newfile
+     * @return Image|void
+     */
+    public function thumb($filepath, $filename, $config, bool $avatar = false, bool $newfile = true)
+    {
+
+        $resource = $filepath . '/' . $filename;
+
+        try {
+            // 判断图片大小，原图尺寸不得小于微缩图
+            // 120x140  120x141 121x140 110x140
+            $ImageInfo = getimagesize($resource);
+            if ($ImageInfo[0] >= $config['upload_thumb_w'] && $ImageInfo[1] >= $config['upload_thumb_h']) {
+
+                $Image = Image::open($resource);
+                // 判断微缩图类型
+                if (!empty($avatar)) {  // 用户头像模式/替换原来的图片
+                    $resThumb = $Image->thumb(110, 110, 6)->save($resource, NULL, 90);
+                } else {
+                    if ($newfile) {
+                        // 保留原来的图片 新文件名建议源文件名+_thumb.jpg 格式
+                        $resource = $filepath . '/thumb_' . $filename;
+                    }
+
+                    $resThumb = $Image->thumb($config['upload_thumb_w'], $config['upload_thumb_h'], 6)->save($resource, NULL, 90);
+                }
+
+                return $resThumb;
+            }
+        } catch (\Exception $e) {
+            throw new \Exception($e->getMessage());
+        }
+    }
+}