利用这种方法从action中取出值 然后再提交到action中为什么是乱码? 
下面是提交的代码:
<s:url action="managerhospitalmedicine.action" id = "first_pre">  
    <s:param name="pageNow" value="1" />  
    <s:param name="pageSize" value="15" />
    <s:param name="m_hospital" value="m_hospital"/>
    <s:param name="m_name" value="m_name" />
</s:url>