diff --git "a/\345\276\220\350\257\227\346\201\222/20220518-php\344\270\212\344\274\240\346\226\207\344\273\266.md" "b/\345\276\220\350\257\227\346\201\222/20220518-php\344\270\212\344\274\240\346\226\207\344\273\266.md"
new file mode 100644
index 0000000000000000000000000000000000000000..297ba3708e4e84e6e2896d2fe3b46568ad293cf1
--- /dev/null
+++ "b/\345\276\220\350\257\227\346\201\222/20220518-php\344\270\212\344\274\240\346\226\207\344\273\266.md"
@@ -0,0 +1,63 @@
+```html
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>Title</title>
+</head>
+<body>
+    <form action="demo2.php" method="post" enctype="multipart/form-data" >
+    请添加你要上传的文件：<input type="file" name="file1">
+        <br>
+        <input type="submit" value="上传" name="submit">
+    </form>
+</body>
+</html>
+```
+
+
+
+
+
+
+
+```php
+<?php
+/**
+ * Created by PhpStorm.
+ * User: 23634
+ * Date: 2022/5/22
+ * Time: 12:49
+ */
+//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。
+$error=$_FILES['file1']['error'];
+if ($error==0) {
+    define("daxiao", 1024 * 1024);
+    $size=$_FILES['file1']['size'];
+    if ($size >daxiao) {
+        echo "文件上传太大";
+    } else {
+        echo "允许上传文件的大小";
+        $arr = array("pdf", "docx");
+        $name = $_FILES['file1']['name'];
+        $namearr = explode(".",$name);
+        $lname = end($namearr);
+        $result = in_array($lname,$arr);
+        if (!$result) {
+            echo "不允许上传文件类型";
+        } else {
+            echo "允许上传文件类型";
+
+        }
+
+    }
+}else{
+    echo "上传失败";
+}
+
+
+
+```
+
+
+
