Map遍历的应用

contorller:
HashMap hm1 = service.getFullMeshNodeStateMonitorList("1",node_name,collectTime);

for(int i=0;i<hm1.keySet().toArray().length;i++){
String key = (String)hm1.keySet().toArray()[i];
FullMeshNodeStateMonitorVO vo = (FullMeshNodeStateMonitorVO)hm1.get(key);
System.out.println("status is ==="+vo.getStatedesc());
}
--------------------------------------------------------------------------------------------------------
service:
public HashMap getFullMeshNodeStateMonitorList(String zone_code,String node_name,String collectTime) throws DataAccessException {
FullMeshNodeStateMonitorDAO dao = new FullMeshNodeStateMonitorDAO();
List list = dao.getFullMeshNodeStateMonitorList(zone_code,node_name,collectTime);
HashMap hm = new HashMap();
Iterator iterator = list.iterator();
while (iterator.hasNext()) {
Map row = (Map) iterator.next();
//hm.put((String) row.get("NODE_CODE"),row);

voSet(hm, row);
}
return hm;
}


// 公共的得到记录并且封装到vo的方法
public void voSet(HashMap hm, Map row) {
// 安全域代码
String uuid = (String) row.get("UUID");
String node_code = (String) row.get("NODE_CODE");
String zone_code = (String) row.get("ZONE_CODE");
Timestamp collecttime = (Timestamp) row.get("COLLECTTIME");
String state = (String) row.get("STATE");
String statedesc = (String) row.get("STATEDESC");

FullMeshNodeStateMonitorVO vo= new FullMeshNodeStateMonitorVO();
vo.setUuid(uuid);
vo.setNode_code(node_code);
vo.setZone_code(zone_code);
vo.setCollecttime(collecttime);
vo.setState(state);
vo.setStatedesc(statedesc);
hm.put(node_code, vo);
}
----------------------------------------------------------------------------------------------------------------
jsp:

<%
HashMap hm1=null;
if(request.getAttribute("hm1")!=null){
hm1 =(HashMap)request.getAttribute("hm1");
}

%>


<%for(int i=0;i<strarr.length;i++){%>

<tr>
<!-- 核心业务区begin -->

<td nowrap="nowrap" align="center" >
<div align="center">
<%
//默认认为数据不存在
boolean flag1=true;
for(int j=0;j<hm1.keySet().toArray().length;j++){
String key = (String)hm1.keySet().toArray()[j];
FullMeshNodeStateMonitorVO vo =
(FullMeshNodeStateMonitorVO)hm1.get(key);
if(key.trim().equals(Integer.valueOf(i).toString())){
flag1=false;
%>

<%=vo.getCollecttime().toString().substring(0,10) %>

<%}}%>
<% if(flag1){%>数据不存在<%}%>
</div>
</td>
<td nowrap="nowrap" align="center" >
<div align="center">
<%
//默认认为数据不存在
boolean flag2=true;
for(int j=0;j<hm1.keySet().toArray().length;j++){
String key = (String)hm1.keySet().toArray()[j];
FullMeshNodeStateMonitorVO vo =
(FullMeshNodeStateMonitorVO)hm1.get(key);
if(key.trim().equals(Integer.valueOf(i).toString())){
flag2=false;
%>
<%if(vo.getState().trim().equals("1")) {%> <div style="background-color:#95F959">正常</div><%} %>
<%if(vo.getState().trim().equals("2")) {%> <div style="background-color:#FB7255">失败</div><%} %>
<%}}%>
<% if(flag2){%>数据不存在<%}%>
</div>
</td>



<!-- 核心业务区end -->
</tr>
<%} %>