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String org = ServletActionContext.getRequest().getParameter("org");
if(org==null || org.equals("")) {
org = "71";
System.out.println(org+"====1");
}
System.out.println(org+"====2");
String org = ServletActionContext.getRequest().getParameter("org");
if(org==null || org.isEmpty())
{
org = "71";
System.out.println(org+"====1");
}
else
{
System.out.println(org+"====2");
}
<form action="/lrims2/reclamationInfoByCountyChart.jsp" method="post">//跳转到本页
选择区县查询:<select name="chooseOrg" >
//将数据库里的数据查出来作为下拉框的value和文本
<%
ReclamationProjectManager reclamationProjectMgr = (ReclamationProjectManager)SpringContextHolder.getBean(ReclamationProject.class);
List<Map<String,Object>> list = reclamationProjectMgr.getOrg();
for(int i=0;i<list.size();i++){
%>
<option value="<%=Integer.parseInt(list.get(i).get("id").toString()) %>"><%=list.get(i).get("orgName") %></option>
<%
}
%>
</select>
<input type="submit" value="查询">
</form>
<script type="text/javascript" src="amcharts/flash/swfobject.js"></script>
<!-- chart is placed in this div. if you have more than one chart on a page, give unique id for each div -->
<div id="chartdiv4" style=""></div>
<script type="text/javascript">
var params = {
bgcolor:"#FFFFFF"
};
var flashVars = {
path: "amcharts/flash/",
settings_file: encodeURIComponent("reclamationinfo/scaleOfYearsSettings.xml"),
data_file: encodeURIComponent("getScaleOfYearsChartXML.action?org=<%=request.getParameter("chooseOrg")%>") //将下拉框中选中的值传递给一个action中,其他部分可以忽略
};
swfobject.embedSWF("amcharts/flash/amcolumn.swf", "chartdiv4", "800", "400", "8.0.0", "amcharts/flash/expressInstall.swf", flashVars, params);
</script>
String org = ServletActionContext.getRequest().getParameter("org");
if(org==null || org.equals("")|| org.equals("null")) {
org = "71";
System.out.println(org+"====1");
}
System.out.println(org+"====2");