1 files changed, 27 insertions, 0 deletions
diff --git a/connect.php b/connect.php
new file mode 100644
index 0000000..8787da3
--- /dev/null
+++ b/connect.php
@@ -0,0 +1,27 @@
+<?php require_once 'config.php'?>
+
+<?php
+
+global $conn;
+
+function execute_sql($sql) {
+    global $conn;
+    if($conn == NULL){
+        // 创建连接
+        $conn = new mysqli(Config::$servername, Config::$username, Config::$password, Config::$db_name);
+
+        // 检测连接
+        if ($conn->connect_error) {
+            die("连接失败: " . $conn->connect_error);
+            return ;
+        } 
+    }
+    return mysqli_query($conn, $sql);
+}
+
+function get_last_insert_id() {
+    global $conn;
+    return mysqli_insert_id($conn);
+}
+
+?>
+\ No newline at end of file