2024年3月7日 php $connection_mysql=mysqli_connect("localhost","user","password","db");if(mysqli_connect_errno($connection_mysql)){echo"Failed to connect to MySQL:...
$field_cnt=$result->field_count; printf("Result set has %d fields.\n",$field_cnt); 示例#2 过程化风格 <?phpmysqli_report(MYSQLI_REPORT_ERROR|MYSQLI_REPORT_STRICT)...