From 759f5a602962067cd7f3a58b4ae48cc131c79c97 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E5=88=98=E9=B8=BF=E5=A5=87?= <1572389757@qq.com> Date: Sun, 22 May 2022 23:16:10 +0800 Subject: [PATCH] 2 --- ...20\344\272\244\346\226\207\346\241\243.md" | 44 +++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 "\345\210\230\351\270\277\345\245\207/20220518-PHP\346\217\220\344\272\244\346\226\207\346\241\243.md" diff --git "a/\345\210\230\351\270\277\345\245\207/20220518-PHP\346\217\220\344\272\244\346\226\207\346\241\243.md" "b/\345\210\230\351\270\277\345\245\207/20220518-PHP\346\217\220\344\272\244\346\226\207\346\241\243.md" new file mode 100644 index 0000000..ddc6386 --- /dev/null +++ "b/\345\210\230\351\270\277\345\245\207/20220518-PHP\346\217\220\344\272\244\346\226\207\346\241\243.md" @@ -0,0 +1,44 @@ +```PHP +// 1、实现一个文件上传，限制只能上传pdf和word格式，大小为1M以内。 + + + + + 提交 + + +
+ + 请输入你要传输的文件： +
+ + +
+ + +``` + +```PHP +SIZE){ + echo "上传文件太大了！"; + }else{ + echo "上传文件太小了！"; + } + $array = array("pdf","docx"); + $name = $_FILES['file']['submit']; + $nameArr = expllode("".",$name"); + $lastname = $nameArr[count($nameArr)-1]; + $result = array_search($lastname,$array); + if ($result===false){ + echo "上传文件格式错误！"; + }else{ + echo "上传文件格式正确";} +} +``` + -- Gitee