function create_connection()

{

$link=mysqli_connect("localhost",'root','')or die('无法建立连接:'.mysqli_connect_error());

return $link;

}

function execute_sql($link,$database,$sql)

{

mysqli_select_db($link,$database) or die('无法打开'.$database.'数据库：'.mysqli_error($link));

mysqli_query($link,"SET NAMES gb2312");

$res=mysqli_query($link,$sql);

return $res;

}

require_once("mysqli_connect.php");

$link=create_connection();

$sql="SELECT * FROM tdb_goods";

$res=mysqli_execute($link,"test",$sql);

echo '<table width="700" border="1"><tr align="center">';

echo '<td>字段名</td><td>数据类型</td><td>最大长度</td></tr>';

while($object=mysqli_fetch_field($res))

{

echo '<tr>';

echo '<td>'.$object->name.'</td>';

echo '<td>'.$object->type.'</td>';

echo '<td>'.$object->max_length.'</td>';

echo '</tr>';

}

echo '</table>';

mysqli_close($link);

以下是错误提示：

Warning: mysqli_execute() expects exactly 1 parameter, 3 given inD:\AppServ\www\testsite\bookcode\charpter\13AccessMysqlDatabase\mysqli_fetch_field.php on line 13

Warning: mysqli_fetch_field() expects parameter 1 to be mysqli_result, null given inD:\AppServ\www\testsite\bookcode\charpter\13AccessMysqlDatabase\mysqli_fetch_field.php on line 16