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soujyuhs16 · Oct 28, 2024 · e09a312 · e09a312
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diff --git a/add.html b/add.html
@@ -0,0 +1,27 @@
+<!DOCTYPE html>
+<html>
+    <meta charset="utf-8">
+<head>
+    <title>学生信息录入</title>
+</head>
+<body>
+    <h2>学生信息录入</h2>
+
+    <form method="POST" action="add.php">
+        <label for="name">姓名:</label>
+        <input type="text" id="name" name="name" required><br><br>
+
+        <label for="age">年龄:</label>
+        <input type="number" id="age" name="age" required><br><br>
+
+        <label for="gender">性别:</label>
+        <select id="gender" name="gender" required>
+            <option value="男">男</option>
+            <option value="女">女</option>
+        </select><br><br>
+
+        <input type="submit" value="提交">
+    </form>
+
+</body>
+</html>
diff --git a/add.php b/add.php
@@ -0,0 +1,30 @@
+<?php
+$servername = "localhost"; // 数据库服务器名称
+$username = "students"; // 数据库用户名
+$password = "123456"; // 数据库密码
+$dbname = "students"; // 数据库名称
+
+// 创建连接
+$conn = new mysqli($servername, $username, $password, $dbname);
+
+if ($_SERVER["REQUEST_METHOD"] == "POST") {
+    // 从表单获取学生信息
+    $name = $_POST["name"];
+    $age = $_POST["age"];
+    $gender = $_POST["gender"];
+
+    // 构建插入SQL语句
+    $sql = "INSERT INTO student_info (name, age, gender)
+    VALUES ('$name', $age, '$gender')";
+
+    // 执行插入操作
+    if ($conn->query($sql) === TRUE) {
+        echo "学生信息添加成功";
+    } else {
+        echo "添加学生信息时出现错误: " . $conn->error;
+    }
+}
+
+// 关闭数据库连接
+$conn->close();
+?>
diff --git a/connect.php b/connect.php
@@ -0,0 +1,18 @@
+<?php
+$servername = "localhost"; // 数据库服务器名称
+$username = "students"; // 数据库用户名
+$password = "123456"; // 数据库密码
+$dbname = "students"; // 数据库名称
+
+// 创建连接
+$conn = new mysqli($servername, $username, $password, $dbname);
+
+// 检查连接是否成功
+if ($conn->connect_error) {
+    die("连接数据库失败: " . $conn->connect_error);
+}
+else
+{
+echo "数据库连接成功！";
+}
+?>
diff --git a/del.html b/del.html
@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html>
+    <meta charset="utf-8">
+    <head>
+        <title>学生信息删除</title>
+    </head>
+    <body>
+        <h2>学生信息删除</h2>
+
+        <form method="POST" action="del.php">
+            <label for="name">学生姓名:</label>
+            <input type="text" id="name" name="name" required><br><br>
+
+            <input type="submit" value="删除">
+        </form>
+    </body>
+    </html>
+
diff --git a/del.php b/del.php
@@ -0,0 +1,32 @@
+<?php
+$servername = "localhost"; // 数据库服务器名称
+$username = "students"; // 数据库用户名
+$password = "123456"; // 数据库密码
+$dbname = "students"; // 数据库名称
+
+// 创建连接
+$conn = new mysqli($servername, $username, $password, $dbname);
+
+// 检查连接是否成功
+if ($conn->connect_error) {
+    die("连接数据库失败: " . $conn->connect_error);
+}
+
+if ($_SERVER["REQUEST_METHOD"] == "POST") {
+    // 从表单获取学生姓名
+    $name = $_POST["name"];
+
+    // 构建删除SQL语句
+    $sql = "DELETE FROM student_info WHERE name='$name'";
+
+    // 执行删除操作
+    if ($conn->query($sql) === TRUE) {
+        echo "学生信息删除成功";
+    } else {
+        echo "删除学生信息时出现错误: " . $conn->error;
+    }
+}
+
+// 关闭数据库连接
+$conn->close();
+?>
diff --git a/edit.html b/edit.html
@@ -0,0 +1,23 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <title>编辑学生信息</title>
+    <script>
+        function fillName() {
+            var name = decodeURIComponent(window.location.search.substring(1).split("=")[1]);
+            document.getElementById("name").value = name;
+        }
+    </script>
+</head>
+<body onload="fillName()">
+    <h2>编辑学生信息</h2>
+
+    <form action="edit.php" method="post">
+        姓名: <input type="text" id="name" name="name" readonly> <br>
+        年龄: <input type="text" name="age"> <br>
+        性别: <input type="text" name="gender"> <br>
+        <input type="submit" value="保存">
+    </form>
+</body>
+</html>
diff --git a/edit.php b/edit.php
@@ -0,0 +1,34 @@
+<?php
+$servername = "localhost"; // 数据库服务器名称
+$username = "students"; // 数据库用户名
+$password = "123456"; // 数据库密码
+$dbname = "students"; // 数据库名称
+
+// 创建连接
+$conn = new mysqli($servername, $username, $password, $dbname);
+
+// 检查连接是否成功
+if ($conn->connect_error) {
+    die("连接数据库失败: " . $conn->connect_error);
+}
+
+if ($_SERVER["REQUEST_METHOD"] == "POST") {
+    // 从表单获取学生信息
+    $name = $_POST["name"];
+    $age = $_POST["age"];
+    $gender = $_POST["gender"];
+
+    // 构建更新SQL语句
+    $sql = "UPDATE student_info SET age=$age, gender='$gender' WHERE name='$name'";
+
+    // 执行更新操作
+    if ($conn->query($sql) === TRUE) {
+        echo "学生信息修改成功";
+    } else {
+        echo "修改学生信息时出现错误: " . $conn->error;
+    }
+}
+
+// 关闭数据库连接
+$conn->close();
+?>
diff --git a/index.html b/index.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<html>
+<head>
+  <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+    <title>学生信息管理系统</title>
+</head>
+<body>
+    <h2>欢迎来到学生信息管理系统</h2>
+
+    <button onclick="window.location.href='add.html'">添加学生信息</button>
+    <button onclick="window.location.href='del.html'">删除学生信息</button>
+    <button onclick="window.location.href='query.html'">查询学生信息</button>
+    <button onclick="window.location.href='query_update.html'">修改学生信息</button>
+</body>
+</html>
diff --git a/query.html b/query.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<title>查询学生信息</title>
+</head>
+<body>
+<h2>查询学生信息</h2>
+<form action="query.php" method="post">
+输入要查询的学生姓名：
+	<input name="name" type="text" size="10" >
+<br />
+<input name="submit" type="submit" value="查询学生信息" />
+</form>
+</body>
+</html>
diff --git a/query.php b/query.php
@@ -0,0 +1,41 @@
+<?php
+    $servername = "localhost"; // 数据库服务器名称
+    $username = "students"; // 数据库用户名
+    $password = "123456"; // 数据库密码
+    $dbname = "students"; // 数据库名称
+
+    // 创建连接
+    $conn = new mysqli($servername, $username, $password, $dbname);
+
+    // 检查连接是否成功
+    if ($conn->connect_error) {
+        die("连接数据库失败: " . $conn->connect_error);
+    }
+
+    if ($_SERVER["REQUEST_METHOD"] == "POST") {
+        // 从表单获取学生姓名
+        $name = $_POST["name"];
+
+        // 构建查询SQL语句
+        $sql = "SELECT * FROM student_info WHERE name='$name'";
+
+        // 执行查询操作
+        $result = $conn->query($sql);
+
+        if ($result->num_rows > 0) {
+            // 输出查询结果和编辑按钮
+            while ($row = $result->fetch_assoc()) {
+                echo "<br>";
+                echo "ID: " . $row["id"] . "<br>";
+                echo "姓名: " . $row["name"] . "<br>";
+                echo "年龄: " . $row["age"] . "<br>";
+                echo "性别: " . $row["gender"] . "<br>";
+            }
+        } else {
+            echo "<br>没有找到相关学生信息";
+        }
+    }
+
+    // 关闭数据库连接
+    $conn->close();
+    ?>
diff --git a/query_update.html b/query_update.html
@@ -0,0 +1,16 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<title>修改学生信息</title>
+</head>
+<body>
+<h2>查询你所要修改的学生信息</h2>
+<form action="query_update.php" method="post">
+输入要修改的学生姓名：
+	<input name="name" type="text" size="10" >
+<br />
+<input name="submit" type="submit" value="查询学生信息" />
+</form>
+</body>
+</html>
diff --git a/query_update.php b/query_update.php
@@ -0,0 +1,47 @@
+<?php
+    $servername = "localhost"; // 数据库服务器名称
+    $username = "students"; // 数据库用户名
+    $password = "123456"; // 数据库密码
+    $dbname = "students"; // 数据库名称
+
+    // 创建连接
+    $conn = new mysqli($servername, $username, $password, $dbname);
+
+    // 检查连接是否成功
+    if ($conn->connect_error) {
+        die("连接数据库失败: " . $conn->connect_error);
+    }
+
+    if ($_SERVER["REQUEST_METHOD"] == "POST") {
+        // 从表单获取学生姓名
+        $name = $_POST["name"];
+
+        // 构建查询SQL语句
+        $sql = "SELECT * FROM student_info WHERE name='$name'";
+
+        // 执行查询操作
+        $result = $conn->query($sql);
+
+        if ($result->num_rows > 0) {
+            // 输出查询结果和编辑按钮
+            while ($row = $result->fetch_assoc()) {
+                echo "<br>";
+                echo "ID: " . $row["id"] . "<br>";
+                echo "姓名: " . $row["name"] . "<br>";
+                echo "年龄: " . $row["age"] . "<br>";
+                echo "性别: " . $row["gender"] . "<br>";
+
+                // 在编辑页面中自动填充学生姓名
+                echo "<a href=\"edit.html?name=" . urlencode($row["name"]) . "\">编辑</a>";
+                echo "<br>";
+            }
+        } else {
+            echo "<br>没有找到相关学生信息";
+        }
+    }
+
+    // 关闭数据库连接
+    $conn->close();
+    ?>
+</body>
+</html>