diff --git "a/\345\276\220\350\257\227\346\201\222/20220614-php\345\244\247\344\275\234\344\270\232.md" "b/\345\276\220\350\257\227\346\201\222/20220614-php\345\244\247\344\275\234\344\270\232.md"
new file mode 100644
index 0000000000000000000000000000000000000000..358e771ae92a8bc2a372024992194b98917f3e6a
--- /dev/null
+++ "b/\345\276\220\350\257\227\346\201\222/20220614-php\345\244\247\344\275\234\344\270\232.md"
@@ -0,0 +1,197 @@
+```sql
+create database school charset utf8;
+use school;
+create table book(
+book_id int auto_increment primary key,
+book_name varchar(50),
+isbn varchar(20),
+author varchar(20)
+);
+insert into book value (111,"红楼梦","7-115-12186-9","曹雪芹"),
+(112,"水浒","8-104-12588-6","施耐庵"),
+(113,"三国演义","7-788-99677-1","罗贯中"),
+(114,"西游记","5-446-78145-5","吴承恩");
+```
+
+```php
+//conn.php
+<?php
+/**
+ * Created by PhpStorm.
+ * User: Administrator
+ * Date: 2022/6/14
+ * Time: 16:37
+ */
+$conn = mysqli_connect('127.0.0.1','root','emazkj.02','school');
+mysqli_query($conn,'set names utf8');
+
+
+
+
+//select.php
+<?php
+/**
+ * Created by PhpStorm.
+ * User: 23634
+ * Date: 2022/6/14
+ * Time: 22:53
+ */
+include_once ('conn.php');
+?>
+<html>
+<head>
+    <title>查询图书</title>
+</head>
+<body>
+<form action="index.php" method="post">
+    <table >
+        <tr>
+            <td>请输入图书名称：</td>
+            <td><input type="text" name="name">
+                <input type="submit" name="submit" value="查询"></td>
+        </tr>
+    </table>
+</form>
+</body>
+</html>
+
+    
+    //index.php
+    <?php
+
+include_once ('conn.php');
+$book_name=$_POST['book_name'];
+$sql = "select * from book where `book_name` like '%$book_name%'";
+$result = mysqli_query($conn,$sql);
+$num = mysqli_num_rows($result);
+?>
+
+<html>
+<head>
+    <title>首页</title>
+    <script>
+        function check(){
+            if(!confirm("确定要删除吗？")){
+                return false;
+            }
+
+        }
+
+    </script>
+</head>
+<body>
+<a href="add.php">新增</a>
+<table border="1" >
+    <tr>
+        <td>图书编号</td>
+        <td>图书名称</td>
+        <td>国际标准书号</td>
+        <td>作者</td>
+        <td></td>
+    </tr>
+    <?php
+    if (!mysqli_num_rows($result)){
+        echo "<tr align='center'><td colspan='5'>无！</td></tr>";
+    }else{
+        while($a = mysqli_fetch_assoc($result)){
+            ?>
+            <tr>
+                <td><?php echo $a['book_id'];?></td>
+                <td><?php echo $a['book_name'];?></td>
+                <td><?php echo $a['isbn'];?></td>
+                <td><?php echo $a['author'];?></td>
+                <td>
+                    <a href="delete.php?id=<?php echo $a['book_id'];?>" onclick="return check()">删除</a>
+                </td>
+            </tr>
+            <?php
+        }
+    }
+    ?>
+</table>
+</body>
+</html>
+
+        
+        //add.php
+        <?php
+/**
+ * Created by PhpStorm.
+ * User: 23634
+ * Date: 2022/6/14
+ * Time: 22:47
+ */
+?>
+<html>
+<head>
+    <title>新增</title>
+</head>
+<body>
+<form action="save.php" method="post">
+    <table border="1">
+        <tr>
+            <td>图书编号</td><td><input type="text" name="book_name"></td>
+        </tr>
+        <tr>
+            <td>国际标准编号</td><td><input type="text" name="isbn"></td>
+        </tr>
+        <tr>
+            <td>作者</td><td><input type="text" name="author"></td>
+        </tr>
+        <tr align="center">
+            <td colspan="2">
+                <input type="submit" name="submit" value="提交">
+                <input type="button" value="取消" onclick="history.back()">
+            </td>
+        </tr>
+    </table>
+</form>
+</body>
+</html>
+
+
+        //save.php
+        <?php
+/**
+ * Created by PhpStorm.
+ * User: 23634
+ * Date: 2022/6/14
+ * Time: 22:49
+ */
+include_once ('./conn.php');
+if(!isset($_POST['submit'])){
+    die("非法访问");
+}
+$book_name = $_POST['book_name'];
+$isbn = $_POST['isbn'];
+$author = $_POST['author'];
+$sql = "insert into `book` (book_name,isbn,author) values ('$book_name','$isbn','$author')";
+$result = mysqli_query($conn,$sql);
+if($result){
+    echo "添加成功！<a href='./index.php'>返回首页</a>";
+}else{
+    echo "添加失败！<a href='./add.php'>返回首页</a>";
+}
+
+//delete.php
+<?php
+/**
+ * Created by PhpStorm.
+ * User: 23634
+ * Date: 2022/6/14
+ * Time: 22:46
+ */
+include_once ('conn.php');
+$book_id = $_POST['book_id'];
+$sql = "delete from `book` where book_id = $book_id";
+
+$result = mysqli_query($conn,$sql);
+if($result){
+    echo "删除成功！";
+}else{
+    echo "删除失败！";
+}
+
+
+```
+

图书编号	图书名称	国际标准书号	作者
无！
				+ 删除 +