120 lines
4.3 KiB
Java
120 lines
4.3 KiB
Java
/*******************************************************************************
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* Copyright 2017 Bstek
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy
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* of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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******************************************************************************/
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package com.bstek.ureport.console.excel;
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import com.bstek.ureport.build.ReportBuilder;
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import com.bstek.ureport.console.BaseServletAction;
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import com.bstek.ureport.console.cache.TempObjectCache;
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import com.bstek.ureport.console.exception.ReportDesignException;
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import com.bstek.ureport.definition.ReportDefinition;
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import com.bstek.ureport.exception.ReportComputeException;
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import com.bstek.ureport.export.ExportConfigure;
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import com.bstek.ureport.export.ExportConfigureImpl;
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import com.bstek.ureport.export.ExportManager;
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import com.bstek.ureport.export.excel.low.Excel97Producer;
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import com.bstek.ureport.model.Report;
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import jakarta.servlet.ServletException;
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import jakarta.servlet.http.HttpServletRequest;
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import jakarta.servlet.http.HttpServletResponse;
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import org.apache.commons.lang.StringUtils;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.util.Map;
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/**
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* @author Jacky.gao
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* @since 2017年7月3日
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*/
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public class ExportExcel97ServletAction extends BaseServletAction {
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private ReportBuilder reportBuilder;
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private ExportManager exportManager;
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private Excel97Producer excelProducer = new Excel97Producer();
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@Override
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public void execute(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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String method = retriveMethod(req);
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if (method != null) {
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invokeMethod(method, req, resp);
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} else {
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buildExcel(req, resp, false, false);
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}
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}
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public void paging(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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buildExcel(req, resp, true, false);
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}
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public void sheet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
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buildExcel(req, resp, false, true);
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}
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public void buildExcel(HttpServletRequest req, HttpServletResponse resp, boolean withPage, boolean withSheet) throws IOException {
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String file = req.getParameter("_u");
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if (StringUtils.isBlank(file)) {
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throw new ReportComputeException("Report file can not be null.");
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}
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String fileName = req.getParameter("_n");
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if (StringUtils.isNotBlank(fileName)) {
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fileName = decode(fileName);
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} else {
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fileName = "ureport.xls";
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}
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resp.setContentType("application/octet-stream;charset=ISO8859-1");
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resp.setHeader("Content-Disposition", "attachment;filename=\"" + fileName + "\"");
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Map<String, Object> parameters = buildParameters(req);
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OutputStream outputStream = resp.getOutputStream();
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if (file.equals(PREVIEW_KEY)) {
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ReportDefinition reportDefinition = (ReportDefinition) TempObjectCache.getObject(PREVIEW_KEY);
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if (reportDefinition == null) {
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throw new ReportDesignException("Report data has expired,can not do export excel.");
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}
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Report report = reportBuilder.buildReport(reportDefinition, parameters);
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if (withPage) {
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excelProducer.produceWithPaging(report, outputStream);
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} else if (withSheet) {
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excelProducer.produceWithSheet(report, outputStream);
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} else {
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excelProducer.produce(report, outputStream);
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}
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} else {
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ExportConfigure configure = new ExportConfigureImpl(file, parameters, outputStream);
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if (withPage) {
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exportManager.exportExcelWithPaging(configure);
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} else if (withSheet) {
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exportManager.exportExcelWithPagingSheet(configure);
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} else {
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exportManager.exportExcel(configure);
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}
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}
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outputStream.flush();
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outputStream.close();
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}
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public void setReportBuilder(ReportBuilder reportBuilder) {
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this.reportBuilder = reportBuilder;
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}
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public void setExportManager(ExportManager exportManager) {
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this.exportManager = exportManager;
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}
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@Override
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public String url() {
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return "/excel97";
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}
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}
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