他的回复:
PHP：?phpheader("Content-type:text/html;charset=utf-8");$host='localhost';$username='root';$password='123';$database='student';$port='3306';$conn=mysqli_connect($host,$username,$password,$database,$port);if(!$conn){die("Connect error:".mysqli_connect_error());}echo 'Connected successfully'."" ;function showTable($mysqli,$table_name){ $sql = "select * from $table_name"; $res = $mysqli->query($sql); //获取返回总行数和列数 echo $table_name;echo "共有：".$res->num_rows."行；共有：".$res->field_count."列。"; //获取表头---从$res取出 echo ""; while($field=$res->fetch_field()){ echo "{$field->name}"; } echo ""; //循环取出数据 while($row=$res->fetch_row()){ echo ""; foreach($row as $value){ echo "$value"; } echo ""; } echo ""; $res->free();}showTable($conn,"tb_emp1");mysqli_close($conn);?>
