<form  action="">
 <input type="hidden" name="mod" id="mod" value="location"/><br/>
 <input type="hidden" name="do" id="do" value="test10"/>
 <input type="hidden" name="a"  value="h_user"/>
 <input type="text" name="wuid" value="si" />
 <input type="submit" value="查询hbase用户"/>
</form>

<form  action="">
 <input type="hidden" name="mod" id="mod" value="location"/><br/>
 <input type="hidden" name="do" id="do" value="test10"/>
 <input type="hidden" name="a"  value="h_solomo"/>
 <input type="text" name="wuid" value="" />
 <input type="submit" value="查询solomo用户"/>
</form>

<form  action="">
 <input type="hidden" name="mod" id="mod" value="location"/><br/>
 <input type="hidden" name="do" id="do" value="test10"/>
 <input type="hidden" name="a"  value="s_user"/>
 <input type="text" name="name" value="" />
 <input type="submit" value="查询solr用户"/>
</form>

<pre>
<?php
$a = '';
if (!empty($_GET ['a'])) {
 $a = trim($_GET ['a']);
 $a();
}

die;

by zp:

<?php
 error_reporting (E_ALL);
 ini_set ('display_errors', 'on');
?>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<div>
 <form>
  <input type="text" name="regexName">
  <input type="text" name="funcName" value="test"/>
  <input type="submit" value="执行方法"/>
 </form>
</div>
<?php
if(!empty($_GET['funcName'])){
 $funcName = trim($_GET['funcName']);
 $funcName();
}
function activeMethod($methodName){
 $methodName();
}
function test(){
 echo 'test';
}