Fatal error: Uncaught mysqli_sql_exception: 由于目标计算机积极拒绝，无法连接。 in D:\web\pingmeibang\mip\inc\dbi.php:40 Stack trace: #0 D:\web\pingmeibang\mip\inc\dbi.php(40): mysqli_connect('127.0.0.1:3306', 'root', Object(SensitiveParameterValue)) #1 D:\web\pingmeibang\mip\inc\dbi.php(32): ConnectMysqli->db_connect() #2 D:\web\pingmeibang\mip\inc\dbi.php(63): ConnectMysqli->__construct() #3 D:\web\pingmeibang\mip\inc\config.php(5): ConnectMysqli::getIntance() #4 D:\web\pingmeibang\mip\show\index.php(3): include('D:\\web\\pingmeib...') #5 {main} thrown in D:\web\pingmeibang\mip\inc\dbi.php on line 40