我现在遇到一个问题,我在request中放入一个List<Map<String,String>>类型数据,现在我想遍历list,同时根据指定key值输出针对的value,不知道怎么做,求帮组!
大致代码如下:
<logic:iterate id="archiveTemp" scope="request" name="archiveList" indexId="ind">
<tr>
<td>
<bean:write name="archiveTemp" property="destOrganID"/>
</td>
<tr>
</logic:iterate>其中archiveList是后台已经封装的List<Map<String,String>>类型数据,destOrganID是期望的Key值问题补充:
后台数据如下
List<Map<String,String>> list=new ArrayList<Map<String,String>>();
Map<String,String> map =new HashMap<String,String>();
map.put("destOrganID","AAAAAAAAA");
map.put("soucOrganID","BBBBBBBBB");
list.add(map);
jsp
大致代码如下:
<logic:iterate id="archiveTemp" scope="request" name="archiveList" indexId="ind">
<tr>
<td>
<bean:write name="archiveTemp" property="destOrganID"/>
</td>
<tr>
</logic:iterate>其中archiveList是后台已经封装的List<Map<String,String>>类型数据,destOrganID是期望的Key值问题补充:
后台数据如下
List<Map<String,String>> list=new ArrayList<Map<String,String>>();
Map<String,String> map =new HashMap<String,String>();
map.put("destOrganID","AAAAAAAAA");
map.put("soucOrganID","BBBBBBBBB");
list.add(map);
jsp
既然是jsp,那么你吧java代码加上<% %>不就好了?
request可以当成一个map来看待,
<%List<Map<String,String>> list=request.getAttribute("");%>
1.用过小脚本输入
<%
List<Map<String,String>> list = (List<Map<String,String>>)request.getAttribute("list");
for(Map<String,String> map : list){
response.getWriter().write("key"+" :"+ map.get("key"));
}
%>
2.用C标签加EL表达式
<c:forEach items="${requestScope.list}" var="map">
key:${map['key']}
</c:forEach>
<logic:iterate id="archiveTemp" scope="request" name="archiveList" indexId="ind">
<logic:iterate id="elementValue" scope="request" name="archiveTemp">
<bean:write name="elementValue" property="key"/>
<bean:write name="elementValue" property="value"/>
</logic:iterate>
</logic:iterate>