From 4389c4239476002bf9c64b96fa5ec7d84edf3273 Mon Sep 17 00:00:00 2001
From: hu-congming <2491249199@qq.com>
Date: Tue, 17 May 2022 23:58:42 +0800
Subject: [PATCH 1/2] 111

---
 ...42\345\257\271\345\257\271\350\261\241.md" | 71 +++++++++++++++++++
 1 file changed, 71 insertions(+)
 create mode 100644 "\350\203\241\346\242\246\347\217\202/20220217_\351\235\242\345\257\271\345\257\271\350\261\241.md"
diff --git "a/\350\203\241\346\242\246\347\217\202/20220217_\351\235\242\345\257\271\345\257\271\350\261\241.md" "b/\350\203\241\346\242\246\347\217\202/20220217_\351\235\242\345\257\271\345\257\271\350\261\241.md"
new file mode 100644
index 0000000..e521bbe
--- /dev/null
+++ "b/\350\203\241\346\242\246\347\217\202/20220217_\351\235\242\345\257\271\345\257\271\350\261\241.md"
@@ -0,0 +1,71 @@
+<?php
+/**
+ *1.写一段代码，定义一个汽车类，有品牌与价格两种属性。并为类实例化对象，
+
+ * 为对象的属性赋值并引用。1、	写一段代码，定义一个汽车类，
+ * 有品牌与价格两种属性。并为类实例化对象，为对象的属性赋值并引用。
+   */
+   class car{
+    private  $price ;
+    private  $type ;
+    function __construct($price,$type)
+    {
+    $this->price=$price;
+    $this->type=$type;
+    }
+    function  show(){
+    echo "
+    这辆车的品牌为: $this->type,
+    价格为:$this->price 元
+    ";
+    }
+   }
+   $a=new car(1000000,"兰博基尼");
+   $a->show();
+   //2、	在上例的基础上为汽车类定义一个子类——跑车类。为子类实例化对象并访问父类的属性。
+   class roadster extends car{
+
+
+}
+$b=new roadster(3000000,"保时捷");
+$b->show();
+//3、	定义一个类，分别定义3个公共的属性和方法，3个受保护的属性和方法，3个私有属性和方法。
+class demo{
+    public $a;
+    public $b;
+    public $c;
+    public function a(){
+
+    }
+    public function b(){
+    
+    }
+    public function c(){
+    
+    }
+    protected $a1;
+    protected $b1;
+    protected $c1;
+    protected  function a1(){
+
+}
+    protected  function b1(){
+
+    }
+    protected  function c1(){
+    
+    }
+    private $a2;
+    private $b2;
+    private $c2;
+    private function a2(){
+    
+    }
+    private function b2(){
+    
+    }
+    private function c2(){
+    
+    }
+
+}
\ No newline at end of file
-- 
Gitee


From 4653210cc1a9e90aa2c4aa962889d46c028928fd Mon Sep 17 00:00:00 2001
From: hu-congming <2491249199@qq.com>
Date: Mon, 23 May 2022 07:36:59 +0800
Subject: [PATCH 2/2] 1

---
 ...12\344\274\240\346\226\207\344\273\266.md" | 60 +++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 "\350\203\241\346\242\246\347\217\202/20220518_\344\270\212\344\274\240\346\226\207\344\273\266.md"

diff --git "a/\350\203\241\346\242\246\347\217\202/20220518_\344\270\212\344\274\240\346\226\207\344\273\266.md" "b/\350\203\241\346\242\246\347\217\202/20220518_\344\270\212\344\274\240\346\226\207\344\273\266.md"
new file mode 100644
index 0000000..6f73c4c
--- /dev/null
+++ "b/\350\203\241\346\242\246\347\217\202/20220518_\344\270\212\344\274\240\346\226\207\344\273\266.md"
@@ -0,0 +1,60 @@
+```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";
+}
+
+
+
+```
\ No newline at end of file
-- 
Gitee

