php判断数据库是否连接成功的测试例子
如果出现数据库配置不正确的错误，请看php与mysql的配置教程：
win7系统下如何配置php-Apache-mysql环境 http://www.cnblogs.com/myall/p/4744837.html
localhost 127.0.0.1 <br><br><span> user</span>:<br><br><span> pwd </span>:<br><br> <?<span>php </span><span>error_reporting</span>(~<span>E_ALL</span><span>); </span><span>$host</span> = <span>$_POST</span>['host'<span>]; </span><span>$user</span> = <span>$_POST</span>['user'<span>]; </span><span>$pwd</span> = <span>$_POST</span>['pwd'<span>]; </span><span>if</span>(<span>isset</span>(<span>$_POST</span>['host']) && <span>isset</span>(<span>$_POST</span>['user']) && <span>isset</span>(<span>$_POST</span>['pwd'<span>])){ </span><span>if</span>(<span>strlen</span>(<span>$host</span>)<1 or <span>strlen</span>(<span>$user</span>)<1 or <span>strlen</span>(<span>$pwd</span>)<1<span>){ </span><span>echo</span> "请完善相关数据库链接信息。"<span>; </span><span>exit</span>(0<span>); } </span><span>$conn</span> = <span>mysql_connect</span>(<span>$host</span>, <span>$user</span>, <span>$pwd</span>) or <span>die</span>("Erro<b>/本文来源gao@!dai!ma.com搞$$代^@码5网@</b><strong>搞代gaodaima码</strong>r-数据库连接失败！"<span>); </span><span>if</span>(<span>$conn</span><span>){ </span><span>echo</span> "OK—数据库连接成功！"<span>; } }</span>?>
以上就介绍了php判断数据库是否连接成功的测试例子，包括了方面的内容，希望对PHP教程有兴趣的朋友有所帮助。
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转载请注明原文链接：php判断数据库是否连接成功的测试例子
转载请注明原文链接：php判断数据库是否连接成功的测试例子
