struts2 s:iterator 循环速度太慢

jsp 
<s:iterator value="list"  status="st">   
  <table  width="100%" border="1" cellpadding="0" cellspacing="0" bordercolor="#336699" style="border-collapse:collapse;">
        <tr height="25" height="25" style="font-size:12px" align="center"  > 
             <td width="3%" align="center"><s:property value="#st.count" /></td>
            <td width="6%" align="center"><s:property value="ip" /></td>   
            <td width="5%" align="center"><s:property value="jigui" /></td>   
            <td width="13%" align="center"><s:property value="zhuban" /></td>   
            <td width="9%" align="center"><s:property value="cpu" /></td>
            <td width="9%" align="center"><s:property value="neicun" /></td>
            <td width="9%" align="center"><s:property value="yingpan" /></td>
            <s:set name="name" value="chanquan" />
        <s:if test="#name == 1">
            <td width="9%" align="center" background="black"><font color="red" >公司所有</font> </td>
        </s:if>
        <s:if test="#name == 0">
       <td width="9%" align="center"><font color="green" >客户所有</font> </td>
        </s:if>
            <td width="9%" align="center"><s:property value="dianyuan" /></td>
            <td width="9%" align="center"><s:property value="jixiang" /></td>
            <td width="9%" align="center"><s:property value="beizhu" /></td>    
             <td width="5%" align="center">    
            <s:url id="update" action="companyUpdate">   
               <s:param name="ip">   
               <s:property value="ip" />
               </s:param>
               <s:param name="id">   
               <s:property value="id" />
               </s:param>
               <s:param name="jigui">   
              <s:property value="jigui" />
               </s:param>  
               <s:param name="zhuban">   
              <s:property value="zhuban" />
               </s:param>     
               <s:param name="cpu">   
                <s:property value="cpu" />
               </s:param>     
              <s:param name="neicun">   
                <s:property value="neicun" />
               </s:param>     
               
               <s:param name="yingpan">   
                <s:property value="yingpan" />
               </s:param>     
               
               <s:param name="chanquan">   
                <s:property value="chanquan" />
               </s:param>  
               
               <s:param name="dianyuan">   
                <s:property value="dianyuan" />
               </s:param>  
               
               <s:param name="jixiang">   
                <s:property value="jixiang" />
               </s:param>    
               
                <s:param name="beizhu">   
                <s:property value="beizhu" />
               </s:param>     
               
            </s:url>    
            <s:a href="%{update}"><font color="red">修改</font></s:a>   
            </td>   
               
            <td width="13%" align="center">   
            <s:url id="delete" action="companyDelete">   
               <s:param name="id">   
               <s:property value="id" />   
               </s:param>   
            </s:url>    
            <s:a href="%{delete}">删除</s:a>   
            </td>   
        </tr>   
        </table>
       </s:iterator>查询300条已经5秒钟了  为什么<s:iterator>循环加载速度那么慢
java
public List<IPBean> select() {
List<IPBean> list = null;
try {
list = super.queryForList("ip_show");

} catch (Exception e) {
e.printStackTrace();
}
return list;
}ibatis
<!-- 电脑信息查询 -->
<select id="ip_show" parameterClass="ip"  resultClass="ip"  >
SELECT *
FROM ip  order  by id desc
</select>
bean
/**
 * 
 */
package com.jinkun.youdebao.bean;/**
 * @author 
 * 
 */
public class IPBean {
private Integer id;
private String ip;
private String jigui;
private String zhuban;
private String cpu;
private String neicun;
private String yingpan;
private String chanquan;
private String beizhu;
private String dianyuan;
private String jixiang;
public String getJixiang() {
return jixiang;
} public void setJixiang(String jixiang) {
this.jixiang = jixiang;
} public String getIp() {
return ip;
} public void setIp(String ip) {
this.ip = ip;
} public String getJigui() {
return jigui;
} public void setJigui(String jigui) {
this.jigui = jigui;
} public String getZhuban() {
return zhuban;
} public void setZhuban(String zhuban) {
this.zhuban = zhuban;
} public String getCpu() {
return cpu;
} public void setCpu(String cpu) {
this.cpu = cpu;
} public String getNeicun() {
return neicun;
} public void setNeicun(String neicun) {
this.neicun = neicun;
} public String getYingpan() {
return yingpan;
} public void setYingpan(String yingpan) {
this.yingpan = yingpan;
} public String getChanquan() {
return chanquan;
} public void setChanquan(String chanquan) {
this.chanquan = chanquan;
} public String getBeizhu() {
return beizhu;
} public void setBeizhu(String beizhu) {
this.beizhu = beizhu;
} public String getDianyuan() {
return dianyuan;
} public void setDianyuan(String dianyuan) {
this.dianyuan = dianyuan;
} public Integer getId() {
return id;
} public void setId(Integer id) {
this.id = id;
}
}