为你详细解读PHP函数mysql_error()
在我们运用
PHP函数mysql_error()的语法格式如下：
string mysql_error ( [resource $link_identifier] )
PHP函数mysql_error()将返回上一个MySQL函数生成的错误信息，若无错误则返回一个空字符串。
使用mysql_error()函数的示例代码如下：
<ol class="dp-xml">
<li class="alt"><span><span class="tag"><span> ?php </span></span></span></li>
<li>
<span>$</span><span class="attribute">connection</span><span>=</span><span class="attribute-value">mysql_connect<br></span><span>("localhost","root","root") <br>or die("连接服务器失败"); </span>
</li>
<li class="alt"><span>mysql_select_db("mydb",$connection); </span></li>
<li><span>echo "错误信息：".mysql_error(); </span></li>
<li class="alt">
<span class="tag">?></span><span> </span>
</li>
</ol>
以上就是PHP函数mysql_error()的具体使用方法。
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