From 99b9b40710b6a4cddcb2686c2178db66f34265a9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=88=E6=80=9D=E7=87=95?= <3295646815@qq.com>
Date: Thu, 19 May 2022 10:27:09 +0800
Subject: [PATCH] =?UTF-8?q?=E6=8F=90=E4=BA=A4?=
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---
 ...07\344\273\266\344\270\212\344\274\240.md" | 80 +++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 "\351\231\210\346\200\235\347\207\225/20220518-php\346\226\207\344\273\266\344\270\212\344\274\240.md"
diff --git "a/\351\231\210\346\200\235\347\207\225/20220518-php\346\226\207\344\273\266\344\270\212\344\274\240.md" "b/\351\231\210\346\200\235\347\207\225/20220518-php\346\226\207\344\273\266\344\270\212\344\274\240.md"
new file mode 100644
index 0000000..dffc700
--- /dev/null
+++ "b/\351\231\210\346\200\235\347\207\225/20220518-php\346\226\207\344\273\266\344\270\212\344\274\240.md"
@@ -0,0 +1,80 @@
+#                  作业
+
+```php
+// 实现一个文件上传，限制只能上传pdf和word格式，大小1M以内
+
+
+
+<?php
+/**
+
+ * Created by PhpStorm.
+ * User: Administrator
+ * Date: 2022/5/18
+ * Time: 18:57
+   */
+   // 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。
+
+//1M=1024 * 1024;
+
+//print_r($_FILES);
+
+$error=$_FILES['a']['error'];
+
+if ($error==0){// 判断是否上传成功
+
+    define("SIZE", 1024 * 1024 );// 上传文件的大小
+    
+    $size = $_FILES['a']['size'];//用一个变量表示上传文件的大小
+    
+    if ($size>SIZE){
+        echo "文件太大无法上传！";
+    }else{
+        echo "允许上传的文件大小！";
+        $array = array("pdf","word","JPG");
+        $name = $_FILES['a']['name'];
+        $nameArr=explode(".",$name);
+        $Lastname= $nameArr[count($nameArr)-1];
+        $result = array_search($Lastname,$array);
+        if ($result===false){
+            echo "不允许上传的类型";
+        }else{
+            echo "允许上传的类型";
+            $file_tmp = $_FILES['a']['tmp_name'];
+    
+            $file_path ="./fild".$name;
+            $re = move_uploaded_file($file_tmp,$file_path);
+            if ($re){
+                echo  "保存成功!";
+            }else{
+                echo "保存失败";
+            }
+        }
+    }
+
+}else{
+    echo "上传失败！";
+}
+```
+
+```php
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>文件上传</title>
+</head>
+<body>
+    
+ <form action="fild.php" method="post" enctype="multipart/form-data">
+<br>
+请选择上传的文件<input type="file" name="a">
+
+<br>
+<input type="submit" value="上传" name="submit">
+</form>
+
+</body>
+</html>
+```
+
-- 
Gitee

