mysql教程:读取数据表字段名 mysql_fetch_field()_PHP教程

mysql_fetch_field(data,field_offset)

<p><strong>mysql_fetch_field()</strong> 函数对像是记录集返回.mysql_query （ ）函数并返回一个对象上的成功，或FALSE或失败时</p><p> </p><p><span>立即学习</span>“<a href="https://pan.quark.cn/s/7fc7563c4182" style="text-decoration: underline !important; color: blue; font-weight: bolder;" rel="nofollow" target="_blank">PHP免费学习笔记（深入）</a>”；</p><p>他有两个参数.data 与 field_offset</p><p> </p><p><span>立即学习</span>“<a href="https://pan.quark.cn/s/7fc7563c4182" style="text-decoration: underline !important; color: blue; font-weight: bolder;" rel="nofollow" target="_blank">PHP免费学习笔记（深入）</a>”；</p><p>data:必选若,指定的数据指针使用。数据指针是由于从mysql_query （ ）函数</p><p> </p><p><span>立即学习</span>“<a href="https://pan.quark.cn/s/7fc7563c4182" style="text-decoration: underline !important; color: blue; font-weight: bolder;" rel="nofollow" target="_blank">PHP免费学习笔记（深入）</a>”；</p><p>field_offset:可选,从哪条记录开始读取,不写是代码从0开始.</p>
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                <p> </p><p><span>立即学习</span>“<a href="https://pan.quark.cn/s/7fc7563c4182" style="text-decoration: underline !important; color: blue; font-weight: bolder;" rel="nofollow" target="_blank">PHP免费学习笔记（深入）</a>”；</p><p>现在我们来看一个mysql_fetch_field实例.</p><p><?</p><pre class="brush:php;toolbar:false;">$sql = "SELECT * from a";

$result = mysql_query($sql,$con);