无涯教程-PHP - mysqli field seek函数 mysqli field seek - 语法 mysql

mysqli field seek - 语法

mysqli_field_seek(result,fieldNumber);

此函数将列光标设置为给定的列偏移量。

Sr.No	参数 & Description
1	result 它标识输出集
2	fieldNumber 它指定列号

Sr.No

参数 & Description

result

它标识输出集

fieldNumber

它指定列号

mysqli field seek - 返回值

成功时返回TRUE，失败时返回FALSE

mysqli field seek - 示例

<?php
   $connection_mysql=mysqli_connect("localhost","user","password","db");
if (mysqli_connect_errno($connection_mysql)){
echo "Failed to connect to MySQL: " . mysqli_connect_error();
}
$sql="SELECT name FROM emp";
if ( $result</span><span class="pun">=</span><span class="pln">mysqli_query</span><span class="pun">(</span><span class="pln">$ connection_mysql, $sql</span><span class="pun">)){</span><span class="pln"> mysqli_field_seek</span><span class="pun">(</span><span class="pln">$ result,0);
 $fieldinfo</span><span class="pun">=</span><span class="pln">mysqli_fetch_field</span><span class="pun">(</span><span class="pln">$ result);
  </span><span class="kwd">print</span><span class="pln"> $fieldinfo</span><span class="pun">-&gt;</span><span class="pln">name</span><span class="pun">;</span><span class="pln">
  </span><span class="kwd">print</span><span class="pln"> $fieldinfo</span><span class="pun">-&gt;</span><span class="pln">table</span><span class="pun">;</span><span class="pln">
  </span><span class="kwd">print</span><span class="pln"> $fieldinfo</span><span class="pun">-&gt;</span><span class="pln">max_length</span><span class="pun">;</span><span class="pln">
  
  mysqli_free_result</span><span class="pun">(</span><span class="pln">$result</span><span class="pun">);</span><span class="pln">

}
mysqli_close($connection_mysql);
?>

无涯教程-PHP - mysqli field seek函数

mysqli field seek - 语法

mysqli field seek - 返回值

mysqli field seek - 示例

参考链接