![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
天蓬老师Correction status：qualified
Teacher's comments：这个动画做得不错, 直观
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<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>图片上传</title></head><body><form action="upload.php" method="post" enctype="multipart/form-data"><input type="file" name="my_file" id=""><button>上传</button></form></body></html>
<?phpheader('content-type:text/html;charset=utf-8');//配置上传参数$fileType = ['jpg','png','gif','jpeg'];//上传图片格式$fileSize = 3145728;//上传图片大小$filePath = '/uploads/';//放置图片的文件夹//原始文件名$fileName = $_FILES['my_file']['name'];//临时文件名$tempFile = $_FILES['my_file']['tmp_name'];//判断是否上传成功$uploadError = $_FILES['my_file']['error'];if ($uploadError>0){switch ($uploadError){case '1':case '2':die('上传文件过大！');case '3':die('上传文件不完整！');case '4':die('上传文件为空！');default:die('上传文件失败！');}}//判断文件扩展名是否支持$extension = explode('.',$fileName)[1];if (!in_array($extension,$fileType)){die('不允许上传'.$extension.'文件类型');}//生成不可重复的临时文件名$fileName = mt_rand(1,99).$fileName;//文件上传if (is_uploaded_file($tempFile)){if (move_uploaded_file($tempFile,__DIR__.$filePath.$fileName)){echo '上传图片成功';}else{die('上传图片失败');}}else{die('非法操作');}exit();
