From 88523b2485dbf566523aacb9fbfeb443c175eb59 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=8F=B6=E6=80=9D=E6=80=9D?= <3242902095@qq.com> Date: Sun, 22 May 2022 22:35:33 +0800 Subject: [PATCH] =?UTF-8?q?=E6=8F=90=E4=BA=A4?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...07\344\273\266\344\270\212\344\274\240.md" | 49 +++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 "\345\217\266\346\200\235\346\200\235/200220518-\346\226\207\344\273\266\344\270\212\344\274\240.md" diff --git "a/\345\217\266\346\200\235\346\200\235/200220518-\346\226\207\344\273\266\344\270\212\344\274\240.md" "b/\345\217\266\346\200\235\346\200\235/200220518-\346\226\207\344\273\266\344\270\212\344\274\240.md" new file mode 100644 index 0000000..306771e --- /dev/null +++ "b/\345\217\266\346\200\235\346\200\235/200220518-\346\226\207\344\273\266\344\270\212\344\274\240.md" @@ -0,0 +1,49 @@ +# 练习 + +```php + + + + + Title + + +
+ 请选择你要上传的文件 +
+ +
+ + +``` + +```php +"; + define("SIZE",1024*1024); + $size=$_FILES['myfile']['size']; //获取文件大小 + if ($size<=SIZE){ //判断文件大小 + echo "上传的文件大小合适";"
"; + $arr=array("pdf","word");//上传的文件类型 + $name=$_FILES['myfile']["name"];//获取文件类型 + $nameArr=explode(".",$name); + $last=end($nameArr); + $a=in_array($last,$arr); + if ($a===true){ //判断文件类型 + echo "允许上传的文件类型";"
"; + }else{ + echo "不允许上传的文件类型"; + "
"; + } + }else{ + echo "上传的文件太大"; + "
"; + } +}else{ + echo "文件上传失败"; + "
"; +} +``` + -- Gitee