php示例代码之使用MySQLi接口

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<?php

  //连接参数

  $host="localhost";

  $user="root";

  $pwd="111111";

  $db="test";

  $linkID =mysqli_connect($host,$user,$pwd,$db); //创建一个mysql连接

  if(!$linkID){

    echo "<font color=‘red‘>unable to connect!</font>";

  }

  $SQL_SELECT_SYMBOLS="select * from symbols";

  $result=mysqli_query($linkID,$SQL_SELECT_SYMBOLS)or die("error in query :$query. ".mysql_errno()); //执行SQL语句

  if(mysqli_num_rows($result)>0){

    echo ‘<table cellpadding="10" border="1">‘;

    echo ‘<tr><th>id</th><th>country</th><th>animal</th><th>cname</th></tr>‘;

     while($row=mysqli_fetch_row($result)){

        echo "<tr>";

        echo "<td>".$row[0]."</td>";

        echo "<td>".$row[1]."</td>";

        echo "<td>".$row[2]."</td>";

        echo "<td>".$row[3]."</td>";

        echo "</tr>";

     }

     echo "</table>";

  }

  else{

    echo "记录未找到!";

  }

  mysqli_free_result($result); //释放记录集所占用的内存

  mysqli_close($linkID); //关闭数据库连接

?>