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PHP mysql_data_seek() 函数教程

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Release: 2016-06-13 10:07:23
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PHP mysql_data_seek() 函数教程

定义和用法
该mysql_data_seek ( )函数移动内部行指针。

连续的内部指针是目前排在返回结果的mysql_query ( )函数。

此函数返回TRUE成功,或FALSE的失败。

语法

mysql_data_seek(data,row)
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参数
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data: 从mysql_query数据库查询
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rows:查出多少行.
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现在我们来看个mysql_data_seek的实例吧.
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<pre class="brush:php;toolbar:false">$sql = "SELECT * from Person";
$result = mysql_query($sql,$con);
print_r(mysql_fetch_row($result));
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mysql_data_seek($result,3);
print_r(mysql_fetch_row($result));
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?>
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输出的结果.
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<pre class="brush:php;toolbar:false">Array
(
[0] => Refsnes
[1] => Kai Jim
[2] => Taugata
)
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Array
(
[0] => Refsnes
[1] => Ståle
[2] => Sandnes
)
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