From ddae0615d3759ec34ff1ac6854f59451c02e1a15 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=90=B4=E5=90=AF=E6=98=8C?= <3110587048@qq.com>
Date: Fri, 20 May 2022 09:07:42 +0800
Subject: [PATCH] =?UTF-8?q?=E6=8F=90=E4=BA=A4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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---
...12\344\274\240\346\226\207\344\273\266.md" | 60 +++++++++++++++++++
1 file changed, 60 insertions(+)
create mode 100644 "\345\220\264\345\220\257\346\230\214/20220518-PHP\345\246\202\344\275\225\344\270\212\344\274\240\346\226\207\344\273\266.md"
diff --git "a/\345\220\264\345\220\257\346\230\214/20220518-PHP\345\246\202\344\275\225\344\270\212\344\274\240\346\226\207\344\273\266.md" "b/\345\220\264\345\220\257\346\230\214/20220518-PHP\345\246\202\344\275\225\344\270\212\344\274\240\346\226\207\344\273\266.md"
new file mode 100644
index 0000000..69a1604
--- /dev/null
+++ "b/\345\220\264\345\220\257\346\230\214/20220518-PHP\345\246\202\344\275\225\344\270\212\344\274\240\346\226\207\344\273\266.md"
@@ -0,0 +1,60 @@
+# 解答
+
+
+
+```html
+
+
+
+
+ 提交
+
+
+
+
+
+```
+
+
+
+```php
+ size){// 判断文件的大小是否符合要求
+ echo "上传的文件太大了";
+ }else{
+ echo "上传的文件太小了";
+ $array = array("pdf","docx");// 允许上传文件的类型
+ $name =$_FILES['my']['name'];
+ $names =explode(".",$name);// 将字符串分成数组 里面有pdf docx 这两个元素
+ $mu = in_array($names,$array); // 判断一个值是否在数组里，是就返回true 否则返回false
+ if (!$mu===false){
+ echo "文件格式错误";
+ }else{
+ echo "传入成功";
+ $name =$_FILES['my']['name'];
+ echo $name;
+ $tmp = "./hhh".$name;
+ $flie_tmp = $_FILES['my']['tmp_name'];
+ move_uploaded_file($flie_tmp,$tmp);
+ echo "下载地址： 下载";
+
+ }
+
+// echo $names[count($names)-1];
+ }
+
+}else{
+ echo "上传文件失败";
+}
+```
+
--
Gitee