first commit

2025-01-09 11:57:41 +08:00
commit 700113c47b
47 changed files with 2050 additions and 0 deletions
--- a/search_73_1_e.php
+++ b/search_73_1_e.php
@ -0,0 +1,68 @@
+<?php
+// 处理表单提交的 POST 请求
+if ($_SERVER["REQUEST_METHOD"] === "POST") {
+    // 数据库配置
+    $host = "localhost";
+    $dbname = "exam_20250109_58053";
+    $dbuser = "user_20250109_58053";
+    $dbpass = "fFPALeYRQxo32lB";
+
+    // 接收表单数据
+    $sName = trim($_POST["sName"]);
+    $sAddress = trim($_POST["sAddress"]);
+    $sLogic = $_POST["sLogic"];
+
+    // 创建数据库连接
+    $conn = new mysqli($host, $dbuser, $dbpass, $dbname);
+    if ($conn->connect_error) {
+        die("数据库连接失败: " . $conn->connect_error);
+    }
+
+    // 动态构建 SQL 查询语句
+    $conditions = [];
+    if (!empty($sName)) {
+        $conditions[] = "name LIKE '%" . $conn->real_escape_string($sName) . "%'";
+    }
+    if (!empty($sAddress)) {
+        $conditions[] = "address LIKE '%" . $conn->real_escape_string($sAddress) . "%'";
+    }
+    $query = "SELECT * FROM user_70";
+    if (count($conditions) > 0) {
+        $query .= " WHERE " . implode(" $sLogic ", $conditions);
+    }
+
+    // 执行查询
+    $result = $conn->query($query);
+    if ($result) {
+        $rowCount = $result->num_rows;
+        echo "[[$rowCount]]"; // 输出符合条件的记录数
+    } else {
+        echo "[[0]]"; // 查询失败
+    }
+
+    // 关闭连接
+    $conn->close();
+} else {
+    // 显示查询表单
+    ?>
+    <!DOCTYPE html>
+    <html lang="en">
+    <head>
+        <meta charset="UTF-8">
+        <title>多条件组合查询</title>
+    </head>
+    <body>
+    <form action="search_73_1_e.php" method="POST">
+        <label for="sName">姓名:</label>
+        <input type="text" id="sName" name="sName"><br>
+        <label for="sAddress">地址:</label>
+        <input type="text" id="sAddress" name="sAddress"><br>
+        <label>连接条件:</label>
+        <input type="radio" id="and" name="sLogic" value="and" checked> AND
+        <input type="radio" id="or" name="sLogic" value="or"> OR<br>
+        <button type="submit" id="ok" name="ok" value="ok">确定</button>
+    </form>
+    </body>
+    </html>
+    <?php
+}