66 lines
2.6 KiB
Java
66 lines
2.6 KiB
Java
package WEB-INF.classes.wenrgise.report.excel;
|
|
|
|
import java.io.IOException;
|
|
import java.io.OutputStream;
|
|
import java.util.ArrayList;
|
|
import java.util.zip.GZIPOutputStream;
|
|
import javax.servlet.ServletConfig;
|
|
import javax.servlet.ServletException;
|
|
import javax.servlet.ServletOutputStream;
|
|
import javax.servlet.http.HttpServlet;
|
|
import javax.servlet.http.HttpServletRequest;
|
|
import javax.servlet.http.HttpServletResponse;
|
|
import jxl.Workbook;
|
|
import jxl.WorkbookSettings;
|
|
import jxl.write.WritableSheet;
|
|
import jxl.write.WritableWorkbook;
|
|
import wenrgise.report.excel.ExcelReport;
|
|
import wenrgise.report.excel.ExcelReportInformation;
|
|
|
|
public class ExcelReportServlet extends HttpServlet {
|
|
private static final String CONTENT_TYPE_EXCEL = "application/vnd.ms-excel";
|
|
|
|
private static final String CONTENT_TYPE_ZIP = "application/zip";
|
|
|
|
public void init(ServletConfig config) throws ServletException {
|
|
super.init(config);
|
|
}
|
|
|
|
public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
|
|
processRequest(request, response);
|
|
}
|
|
|
|
public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
|
|
processRequest(request, response);
|
|
}
|
|
|
|
private boolean isGzipSupported(HttpServletRequest request) {
|
|
String encodings = request.getHeader("Accept-Encoding");
|
|
return (encodings != null && encodings.indexOf("gzip") != -1);
|
|
}
|
|
|
|
protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
|
|
response.setContentType("application/zip");
|
|
String reportName = request.getParameter("reportname");
|
|
String inputParam1 = request.getParameter("inputparam1");
|
|
String inputParam2 = request.getParameter("inputparam2");
|
|
ServletOutputStream servletOutputStream = response.getOutputStream();
|
|
GZIPOutputStream gZIPOutputStream = new GZIPOutputStream((OutputStream)servletOutputStream);
|
|
ExcelReport excelReport = new ExcelReport();
|
|
WorkbookSettings ws = excelReport.getWorkBookSetting();
|
|
try {
|
|
WritableWorkbook workbook = Workbook.createWorkbook(gZIPOutputStream, ws);
|
|
WritableSheet s = workbook.createSheet(reportName, 0);
|
|
ExcelReportInformation ex = new ExcelReportInformation(reportName);
|
|
String query = ex.getReportQuery(inputParam1, inputParam2);
|
|
ArrayList aHeader = ex.getReportHeader();
|
|
excelReport.writeDataSheet(s, aHeader, query);
|
|
workbook.write();
|
|
workbook.close();
|
|
gZIPOutputStream.flush();
|
|
} catch (Exception e) {
|
|
e.printStackTrace();
|
|
}
|
|
}
|
|
}
|