From f1641be12e23d3e7cae49b183783c95fa56beffe Mon Sep 17 00:00:00 2001
From: xushiheng <2363492796@qq.com>
Date: Tue, 14 Jun 2022 11:57:18 +0800
Subject: [PATCH] 2

---
 ...41\345\244\247\344\275\234\344\270\232.md" | 284 ++++++++++++++++++
 1 file changed, 284 insertions(+)
 create mode 100644 "\345\276\220\350\257\227\346\201\222/20220613-php\347\254\254\344\272\214\346\254\241\345\244\247\344\275\234\344\270\232.md"
diff --git "a/\345\276\220\350\257\227\346\201\222/20220613-php\347\254\254\344\272\214\346\254\241\345\244\247\344\275\234\344\270\232.md" "b/\345\276\220\350\257\227\346\201\222/20220613-php\347\254\254\344\272\214\346\254\241\345\244\247\344\275\234\344\270\232.md"
new file mode 100644
index 0000000..ed3dc53
--- /dev/null
+++ "b/\345\276\220\350\257\227\346\201\222/20220613-php\347\254\254\344\272\214\346\254\241\345\244\247\344\275\234\344\270\232.md"
@@ -0,0 +1,284 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>上传文件</title>
+</head>
+<body>
+<form action="shangchuan.php" method="post" enctype="multipart/form-data">
+    请添加你要上传的文件：<input type="file" name="file" id="">
+    <br>
+    <input type="submit" value="提交">
+    </form>
+</body>
+</html>
+
+
+
+```php
+<?php
+
+$error = $_FILES['file']['error'];
+if ($error == 0){
+    echo "上传成功";
+    define("daxiao",1024*1024);
+    $size=$_FILES['file']['size'];
+    if ($size>daxiao){
+        echo "文件上传太大";
+    }else{
+        echo "允许文件上传的大小";
+        $arr = array("jpg","gif","png","jpeg");
+        $name = $_FILES['file']['name'];
+        $namearr=explode(".",$name);
+
+        $lastname = end($namearr);
+        $result = in_array($lastname,$arr);
+        if ($result){
+            echo "允许上传文件类型";
+            $file_tmp = $_FILES['file']['tmp_name'];
+            $file_path = "./upload".$name;
+            $re=move_uploaded_file($file_tmp,$file_path);
+            if ($re){
+                echo "保存成功";
+                echo "<a href='".$xin."'>下载</a>";
+            }else{
+                echo "保存失败";
+            }
+
+        }else{
+            echo "不允许上传文件类型";
+
+        }
+
+    }
+}else{
+    echo "上传失败";
+}
+```
+
+
+
+```sql
+create database company charset utf8;
+use company;
+create table department(
+id int primary key auto_increment,
+name varchar(32) not null unique,
+description varchar(1024)	
+);
+insert into department value (null,"人力资源部","管理人员信息"),
+(null,"市场部","负责市场客户开发及客户维护"),(null,"财务部","负责公司财务"),
+(null,"软件开发部","负责公司软件开发");
+```
+
+```php
+//conn.php
+<?php
+error_reporting(E_ALL ^ E_WARNING);
+$conn = mysqli_connect('127.0.0.1','root','emazkj.02','company');
+mysqli_query($conn,'set names utf8');
+
+```
+
+```php
+//department.php
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Administrator
+ * Date: 2022/6/13
+ * Time: 10:52
+ */
+
+include_once('conn.php');
+
+$sql = "select * from `department` order by id";
+$result = mysqli_query($conn,$sql);
+
+?>
+<html>
+<head>
+    <title>公司信息系统</title>
+</head>
+<body>
+<a href="add.php">新增</a>
+<table border="1" width="500">
+    <tr>
+        <th>部门编号</th>
+        <th>部门名称</th>
+        <th>部分描述</th>
+        <th></th>
+    </tr>
+    <?php
+    if(!mysqli_num_rows($result)) {
+        echo "<tr align='center'><td colspan='4'>暂无数据</td></tr>";
+    }else {
+        while ($row = mysqli_fetch_assoc($result)) {
+            ?>
+            <tr>
+                <td><?php echo $row['id'] ?></td>
+                <td><?php echo $row['name'] ?></td>
+                <td><?php echo $row['description'] ?></td>
+                <td><a href="edit.php?id=<?php echo $row['id'] ?>">更新</a>|
+                    <a href="delete.php?id=<?php echo $row['id'] ?>">删除</a></td>
+            </tr>
+            <?php
+        }
+    }
+    ?>
+</table>
+</body>
+</html>
+
+```
+
+```php
+//add.php
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Administrator
+ * Date: 2022/6/13
+ * Time: 11:11
+ */?>
+<html>
+<head>
+
+</head>
+<body>
+<form action="save.php" method="post">
+    <table border="1">
+        <tr>
+            <th>部门名称</th>
+            <td><input type="text" name="name" id=""></td>
+
+        </tr>
+        <tr>
+            <th>部门描述</th>
+            <td><input type="text" name="description" id=""></td>
+        </tr>
+        <tr>
+            <td colspan="4" align="center">
+                <input type="submit" value="提交">
+            </td>
+        </tr>
+    </table>
+</form>
+</body>
+</html>
+
+```
+
+```php
+//save.php
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Administrator
+ * Date: 2022/6/13
+ * Time: 11:16
+ */
+include_once('conn.php');
+
+$name=$_POST['name'];
+$description=$_POST['description'];
+$sql = "insert into `department` (name,description) values ('$name','$description')";
+$ret = mysqli_query($conn,$sql);
+if ($ret){
+    echo "添加成功 ";
+}else{
+    echo "添加失败 ";
+}
+
+```
+
+```php
+//delete.php
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Administrator
+ * Date: 2022/6/13
+ * Time: 11:24
+ */
+include_once ('conn.php');
+$id=$_GET['id'];
+$sql = "delete from `department` where id=$id";
+$result = mysqli_query($conn,$sql);
+if ($result){
+    echo "删除成功 <a href='./department.php'>返回首页</a>";
+
+}else{
+    echo "删除失败 <a href='./department.php'>返回首页</a>";
+}
+
+```
+
+```php
+//edit.php
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Administrator
+ * Date: 2022/6/13
+ * Time: 11:27
+ */
+include_once ('conn.php');
+
+$id=$_GET['id'];
+$sql = "select * from `department` where id=$id";
+$result = mysqli_query($conn,$sql);
+$row = mysqli_fetch_assoc($result);
+?>
+<html>
+<head>
+
+</head>
+<body>
+<form action="update.php" method="post">
+    <table border="1">
+        <tr>
+            <th>部门名称</th>
+            <td><input type="text" name="name" id=""></td>
+
+        </tr>
+        <tr>
+            <th>部门描述</th>
+            <td><input type="text" name="description" id=""></td>
+        </tr>
+        <tr>
+            <td colspan="4" align="center">
+                <input type="submit" value="提交">
+            </td>
+        </tr>
+    </table>
+</form>
+</body>
+</html>
+
+```
+
+```php
+//update.php
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Administrator
+ * Date: 2022/6/13
+ * Time: 11:31
+ */
+include_once ('conn.php');
+
+$id=$_POST['id'];
+$name=$_POST['name'];
+$description=$_POST['description'];
+$sql="update `department` set `name`='$name', `description`='$description' where `id`=$id";
+$result = mysqli_query($conn,$sql);
+if ($result)  {
+    echo "修改成功 <a href='./department.php'>返回首页</a>";
+}else{
+    echo "修改失败 <a href='./department.php'>返回首页</a>";
+}
+
+```
+
-- 
Gitee

