04-28-周二_20-56-09

课堂代码/01-blog开发/v4/test.php

@@ -0,0 +1,29 @@
+<?php
+// 字符集设置为utf-8
+header("Content-Type: text/html; charset=UTF-8");
+
+// 连接mysql数据库
+$host = "127.0.0.1";
+$dbname = "root";
+$dbpassword = "usbw";
+$database = "blog";
+$port = 3307;
+$conn = mysqli_connect($host, $dbname, $dbpassword, $database, $port);
+if (!$conn) {
+    echo "连接失败";
+    exit;
+}
+
+// 获取users表中的所有数据
+$sql = "select * from users";
+$result = mysqli_query($conn, $sql);
+if (!$result) {
+    echo "查询失败";
+    exit;
+}
+
+// 将查询的数据一行行输出
+// mysqli_fetch_assoc函数是将查询的数据以关联数组的形式返回，数组的key是字段名，value是字段值
+while ($row = mysqli_fetch_assoc($result)) {
+    echo "<p>" . $row["username"] . ":" . $row["email"] . ":" . $row["password"] . "</p>";
+}