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16 lines
346 B
PHP
16 lines
346 B
PHP
<?php
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/**
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* Database Connection
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*/
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function get_db() {
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static $db = null;
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if ($db === null) {
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$db = new mysqli(DB_HOST, DB_USER, DB_PASS, DB_NAME, DB_PORT);
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if ($db->connect_error) {
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die('数据库连接失败: ' . $db->connect_error);
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}
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$db->set_charset('utf8mb4');
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}
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return $db;
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}
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