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Export in excel format

Posted on 2009-07-14
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Last Modified: 2013-11-11
Hi Experts,

                  I have a page that displays a chart and a table. I want to the table to shown in excel format on click of a link.
                   Below is my controller code. Both the table and Chart are rendered on the fly from request parameters.
                  model.put("detailData", detailRes);

                 the above variable detailData is the one one which contains the formatted  HTML Table. I want to show this variable in excel format.
   
package com.att.analytics.ui;
 
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
 
 
import javax.servlet.http.HttpServletRequest;
 
import net.sf.json.JSONObject;
 
import org.apache.log4j.Logger;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.ServletRequestUtils;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
 
import com.si.myworld.business.Chart;
import com.si.myworld.dao.ChartData;
 
 
@Controller
@RequestMapping("/chartDetail.html")
public class DetailChartController {
 
	private static final Logger log = Logger.getLogger(DetailChartController.class);
	
	@RequestMapping(method=RequestMethod.GET)
   public String getChart(HttpServletRequest request, ModelMap model) {
		String chartType = request.getParameter("chartType");
		String chartGroup = request.getParameter("chartGroup");
		String chartSubgroup = request.getParameter("chartSubgroup");
		String timeline = request.getParameter("timeline");
		String liabilityCode = request.getParameter("liabilityCode");
				
//		log.debug("Chart Type: "+chartType);
//		log.debug("Chart Group: "+chartGroup);
//		log.debug("Chart Subgroup: "+chartSubgroup);
//		log.debug("Timeline: "+timeline);
 
// build your report here
// using the code from the jsp
		
		System.out.println("Picked from request attribute: " + chartType);
		System.out.println("Picked from request attribute: " + chartGroup);
		System.out.println("Picked from request attribute: " + chartSubgroup);
		System.out.println("Picked from request attribute: " + timeline);
		System.out.println("Picked from request attribute: " + liabilityCode);
		
		//added on 7/2/09
		int id = ServletRequestUtils.getIntParameter(request, "chartId", 0);
		String startDt = request.getParameter("startDt");
		String endDt = request.getParameter("endDt");
		
		Chart crt = new Chart();
		crt.setChartGroup(chartGroup);
		crt.setChartSubgroup(chartSubgroup);
		crt.setTimeline(timeline);
		crt.setChartType(chartType);
		crt.setLiabilityCode(liabilityCode);
		
		//added by pp 7/2/09
		crt.setChartId(id);
		crt.setStartDt(startDt);
		crt.setEndDt(endDt);
		
		System.out.println("Values from Chart object: " + crt.getChartType() );
		System.out.println("Values from Chart object: " + crt.getChartGroup() );
		System.out.println("Values from Chart object: " + crt.getChartSubgroup() );
		System.out.println("Values from Chart object: " + crt.getTimeline());
		System.out.println("Values from Chart object: " + crt.getLiabilityCode());
		
		ChartData cd = new ChartData();
	    String chartXml = cd.getChartXml(crt);
		
		System.out.println("DetailChartController>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> chart XML" + chartXml);
		
		//added 7/2/09
		String chartDatasource = cd.fetchChartDatasourceName(crt.getChartSubgroup());		
		
		model.put("chartType", chartType);
		model.put("chartGroup", chartGroup);
		model.put("chartSubgroup", chartSubgroup);
		model.put("timeline", timeline);	
		model.put("liablityCode", liabilityCode);
		model.put("detailForm", crt);
			
		//pp on 7/2/09
		model.put("chartId", id);
		model.put("startDt", startDt);
		model.put("endDt", endDt);
		model.put("chartDatasource", chartDatasource);
 
		//detail data
		//Vector detailData = cd.getChartDetailData(crt); 
		//List detailData = cd.getChartDetailDataList(crt);
		//String chartDetailHtml = cd.getChartDetailHtml(cd.getChartDetailData(crt));
		//model.put("chartDetailHtml", chartDetailHtml);
		
		String detailRes = cd.getChartDetailDataNew(crt);
		model.put("detailData", detailRes);
		
		//breadcrumb
		String breadcrumb = crt.getChartGroup() + ">>" 	+ crt.getChartSubgroup();
		model.put("breadcrumb", breadcrumb);
		
    	return "TestDetail";
    }
 
	
	@RequestMapping(method=RequestMethod.POST)
	public String setChartPosition(HttpServletRequest request) {				
		return("redirect:/index.html");
	}
	
		
	@ModelAttribute("chartGroups")
	public Collection<String> populateGroups() {
		return populateSubgroups().keySet();
	}
 
	@ModelAttribute("chartSubgroups")
	public JSONObject getSubgroups() {
		return JSONObject.fromObject(populateSubgroups());
	}
 
	public Map<String, List<String>> populateSubgroups() {
		
		Map<String, List<String>> groups = new HashMap<String, List<String>>();
		groups.put("Payment", Arrays.asList("AUTOPAY", "TXT2PAY"));
		groups.put("Registration", Arrays.asList("REGISTRATION"));
		groups.put("UpgradeChanges", Arrays.asList(
		"UPGRADE_CHANGE"));
		
		return groups;
	}
 
	@ModelAttribute("chartTypes")
	public Collection<String> populateTypes() {
		return Arrays.asList("bar", "line");
	}
 
	@ModelAttribute("timelines")
	public Collection<String> populateTime() {
		return Arrays.asList("Daily", "Weekly", "Monthly", "Quarterly",
				"Annual");
	}
	
	@ModelAttribute("liabilityCodes")
	public Collection<String> populateCustomers() {
		return Arrays.asList("IRU", "CRU");
	}
	
	
}

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Question by:aman0711
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1 Comment
 
LVL 92

Accepted Solution

by:
objects earned 2000 total points
ID: 24854853
create another method that returns a different (excel) view

        @RequestMapping(value="/excel.html", method=RequestMethod.GET)
   public String getChart(HttpServletRequest request, ModelMap model) {
                String chartType = request.getParameter("chartType");
                String chartGroup = request.getParameter("chartGroup");
                String chartSubgroup = request.getParameter("chartSubgroup");
                String timeline = request.getParameter("timeline");
                String liabilityCode = request.getParameter("liabilityCode");
                               
//              log.debug("Chart Type: "+chartType);
//              log.debug("Chart Group: "+chartGroup);
//              log.debug("Chart Subgroup: "+chartSubgroup);
//              log.debug("Timeline: "+timeline);
 
// build your report here
// using the code from the jsp
               
                System.out.println("Picked from request attribute: " + chartType);
                System.out.println("Picked from request attribute: " + chartGroup);
                System.out.println("Picked from request attribute: " + chartSubgroup);
                System.out.println("Picked from request attribute: " + timeline);
                System.out.println("Picked from request attribute: " + liabilityCode);
               
                //added on 7/2/09
                int id = ServletRequestUtils.getIntParameter(request, "chartId", 0);
                String startDt = request.getParameter("startDt");
                String endDt = request.getParameter("endDt");
               
                Chart crt = new Chart();
                crt.setChartGroup(chartGroup);
                crt.setChartSubgroup(chartSubgroup);
                crt.setTimeline(timeline);
                crt.setChartType(chartType);
                crt.setLiabilityCode(liabilityCode);
               
                //added by pp 7/2/09
                crt.setChartId(id);
                crt.setStartDt(startDt);
                crt.setEndDt(endDt);
               
                System.out.println("Values from Chart object: " + crt.getChartType() );
                System.out.println("Values from Chart object: " + crt.getChartGroup() );
                System.out.println("Values from Chart object: " + crt.getChartSubgroup() );
                System.out.println("Values from Chart object: " + crt.getTimeline());
                System.out.println("Values from Chart object: " + crt.getLiabilityCode());
               
                ChartData cd = new ChartData();
            String chartXml = cd.getChartXml(crt);
               
                System.out.println("DetailChartController>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> chart XML" + chartXml);
                                 
                String detailRes = cd.getChartDetailDataNew(crt);
                model.put("detailData", detailRes);
               
               
        return "excel";
    }
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