急，急，急！！！关于代码效率的问题。

在跳转到这个jsp页面时，要等待30秒左右。（这是jsp的一部分）
经测试ws2和ws3之间精确到秒数的时间在循环的过程中时间会逐步增加
而ws3到ws8之间精确到秒数的时间一样
这个应该是怎么回事？求教高人指点！
<%
String ws1 = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").format(new Date());
out.println(ws1);
%>11111111111

 <%
 String bg=null;
 boolean which=true;
 for(int i=0;i<col.size();i++) {
 Doc doc = (Doc)col.get(i);
 if(which){ bg="#FFFFFF";}else{bg="#F0FFFF";}

 SYDoc SYdocQ = new SYDoc();
 String chuanname="";
//--++++++++++++================================================================================ -->
String ws2 = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").format(new Date());
out.println(ws2+"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"+" ");
//--//++++++++++++================================================================================ -->
SYdocQ.setDocID(String.valueOf(doc.getId())); String sqlsy=SYdocQ.getSql(); //System.out.println(">>>>>查找审阅领导="+sqlsy);
SYDocBO docBOSy = new SYDocBO();
ArrayList colSy = new ArrayList();
PageControl pageCtlsy = new PageControl();
pageCtlsy.setRowsPerPage(100);
colSy = docBOSy.doQuery(pageCtlsy,sqlsy);//++++++++++++================================================================================
String ws3 = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").format(new Date());
out.println(ws3+"bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"+" ");
//++++++++++++================================================================================
for(int is=0;is<colSy.size();is++)
{
SYDoc SYdocS = (SYDoc)colSy.get(is);
 if(SYdocS.getStatus()!=null&&!SYdocS.getStatus().equals("")&&!SYdocS.getStatus().equals("null")&&SYdocS.getStatus().equals("0"))
chuanname=getUserName(SYdocS.getAuditName());
}
//if(chuanname.equals("") || !chuanname.equals(nickname))
//continue;

 %>
 <%
 SYDocBO syDocBO = new SYDocBO();
ArrayList syCol = new ArrayList();
syCol = syDocBO.doQuery(String.valueOf(doc.getId()));
boolean ok = false;
for(int iii=0;iii<syCol.size();iii++) {
SYDoc sydoc = (SYDoc)syCol.get(iii);
if(nickname.equals(getUserName(sydoc.getAuditName())) && sydoc.getStatus().equals("0")){
ok = true;
break;
}
}
if(!ok){
 doc=null;
 SYdocQ=null;
 docBOSy=null;
 pageCtlsy=null;
 colSy=null;

 System.gc();
 continue;
}
%>
 <%
String ws4 = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").format(new Date());
out.println(ws4);
%>ws8888

 <tr bgcolor="<%=bg%>" class="zi02">
 <%//if(doc.getIsCundang()==null||doc.getIsCundang().equals("0")){%>
 
 <%//}else{%>
 
 <%//}%>

 <td height="23" align="center"><%=doc.getXuHao()%></td>

 <td height="23"><%=doc.getShouWenTime()%></td>
 <td><%=doc.getBianHao()%></td>
 <%WaiFaDoc docQ1 = new WaiFaDoc();

 docQ1.setBanwen(doc.getBianHao());
 docQ1.setStatus("0");
 String sqlwai=docQ1.getSql();


 WaiFaDocBO docBO1 = new WaiFaDocBO();
ArrayList colwai = new ArrayList();
PageControl pageCtl2 = new PageControl(1);
colwai = docBO1.doQuery(pageCtl2,sqlwai);

String id_wai="";
 for(int i1=0;i1<colwai.size();i1++) {
 WaiFaDoc docwai = (WaiFaDoc)colwai.get(i1);
 if(id_wai.equals(""))
 id_wai=docwai.getSendhao();
 else
 id_wai=id_wai+";"+docwai.getSendhao();
 }


 //out.println(">>>>>>>id_wai="+id_wai);

 %>

<%String ws5 = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").format(new Date());
out.println(ws5);%>33333333333333333

 <% String tempFileName = doc.getFileName();
 String title ;
 if(tempFileName.length()< 18){
 title = tempFileName;
 }else {
 title = tempFileName.substring(0,16) + "…";
 }
 %>

<%String ws6 = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").format(new Date());
out.println(ws6);%>444444444444444444

 <%String qgcolor="";
 if((doc.getLzzt()).equals("4")&&(doc.getStatus()).equals("1"))
 qgcolor="red";
 if(!statusQ.equals("4"))
 {
 if(doc.getIsCundang()==null||doc.getIsCundang().equals("0")){%>
 <td><A href="javascript:toDoEdit(<%=doc.getId()%>);" title="<%=doc.getFileName()%>">" ><%=title%></A></td>
 <%}else{%>
 <td><A href="javascript:toDoCheck(<%=doc.getId()%>);" title="<%=doc.getFileName()%>">" ><%=title%></A></td>
 <%}
 }
 else {%>
 <td><A href="javascript:toDoCheck(<%=doc.getId()%>);" title="<%=doc.getFileName()%>">" ><%=title%></A></td>
 <%}%>

 <td align="center">
 <%
 WaiFaDoc docwai1=new WaiFaDoc();
 if(colwai.size()>0)
 docwai1 = (WaiFaDoc)colwai.get(0);

 %>
 "><A href="javascript:toDoEditwai(<%=docwai1.getId()%>);"><%=CheckParam(docwai1.getSendhao(),"")%></A>


 </td>
 <td align=center>
 <%



String tempLzzt = CheckParam(doc.getLzzt(),"0");
for(int t=0;t<lzzt.length;t++)
{
if(Integer.parseInt(tempLzzt)==t)
{
if(!chuanname.equals(""))
out.print(lzzt[t]+"/"+chuanname);
else
out.print(lzzt[t]);
}
}

 %></td>

<%String ws7 = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").format(new Date());
out.println(ws7);%>666666666666666666666

 <%
 String tempCd= CheckParam(doc.getCundanghao(),"");


 %>
 <td align="center"><%=tempCd%></td>


 </tr>

 <%
 which=!which;
 }
 %>
<%
String ws8 = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss").format(new Date());
out.println(ws8);
%>@@@@@@@@

解决方案 »

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我设置的时间显示 ws4以下的代码是不用看的。没有什么问题。测过了