tttppp<br />
<b>Warning</b>:  Undefined property: sql_db::$persistency in <b>/yizitong/db/mysql4.php</b> on line <b>69</b><br />
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<b>Warning</b>:  Undefined property: sql_db::$server in <b>/yizitong/db/mysql4.php</b> on line <b>69</b><br />
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<b>Warning</b>:  Undefined property: sql_db::$user in <b>/yizitong/db/mysql4.php</b> on line <b>69</b><br />
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<b>Warning</b>:  Undefined property: sql_db::$password in <b>/yizitong/db/mysql4.php</b> on line <b>69</b><br />
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<b>Warning</b>:  Undefined property: sql_db::$dbname in <b>/yizitong/db/mysql4.php</b> on line <b>69</b><br />
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<b>Fatal error</b>:  Uncaught mysqli_sql_exception: Access denied for user ''@'localhost' (using password: NO) in /yizitong/db/mysql4.php:69
Stack trace:
#0 /yizitong/db/mysql4.php(69): mysqli_connect()
#1 /yizitong/db/mysql4.php(136): sql_db-&gt;getConnectionId()
#2 /yizitong/common.php(115): sql_db-&gt;sql_query()
#3 /yizitong/common/header_top.php(29): include('...')
#4 /yizitong/china/header_top.php(5): include('...')
#5 /yizitong/china/baike.php(2): include('...')
#6 {main}
  thrown in <b>/yizitong/db/mysql4.php</b> on line <b>69</b><br />