120 lines
4.4 KiB
Java
120 lines
4.4 KiB
Java
package com.zcloud.util;
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import java.util.Date;
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import java.util.List;
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import java.util.Map;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.poi.hssf.usermodel.DVConstraint;
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import org.apache.poi.hssf.usermodel.HSSFCellStyle;
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import org.apache.poi.hssf.usermodel.HSSFFont;
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import org.apache.poi.hssf.usermodel.HSSFRow;
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import org.apache.poi.hssf.usermodel.HSSFSheet;
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import org.apache.poi.hssf.usermodel.HSSFWorkbook;
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import org.apache.poi.ss.usermodel.DataValidation;
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import org.apache.poi.ss.usermodel.DataValidationConstraint;
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import org.apache.poi.ss.usermodel.DataValidationHelper;
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import org.apache.poi.ss.usermodel.HorizontalAlignment;
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import org.apache.poi.ss.usermodel.Sheet;
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import org.apache.poi.ss.usermodel.VerticalAlignment;
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import org.apache.poi.ss.usermodel.Workbook;
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import org.apache.poi.ss.util.CellRangeAddressList;
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import org.apache.poi.xssf.usermodel.XSSFDataValidation;
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import org.springframework.stereotype.Service;
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import org.springframework.web.servlet.view.document.AbstractXlsView;
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import com.zcloud.entity.PageData;
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/**
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* 导出xlsx数据
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*/
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@Service
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public class CarportExcelView extends AbstractXlsView {
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private final int MAX_ROW = 65535;
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@Override
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protected void buildExcelDocument(Map<String, Object> model, Workbook workbook, HttpServletRequest request,
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HttpServletResponse response) throws Exception {
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// TODO Auto-generated method stub
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Date date = new Date();
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String filename = DateUtil.date2Str(date, "yyyyMMddHHmmss");
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HSSFSheet sheet;
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response.setContentType("application/octet-stream");
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response.setHeader("Content-Disposition", "attachment;filename=" + filename + ".xls");
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HSSFWorkbook book = (HSSFWorkbook) workbook;
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sheet = book.createSheet("sheet1");
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List<String> titles = (List<String>) model.get("titles");
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int len = titles.size();
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HSSFCellStyle headerStyle = book.createCellStyle(); // 标题样式
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headerStyle.setAlignment(HorizontalAlignment.CENTER);
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headerStyle.setVerticalAlignment(VerticalAlignment.CENTER);
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HSSFFont headerFont = book.createFont(); // 标题字体
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headerFont.setBold(true);
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headerFont.setFontHeightInPoints((short) 11);
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headerStyle.setFont(headerFont);
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short height = 25 * 20;
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HSSFRow row = sheet.createRow(0);
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for (int i = 0; i < len; i++) { // 设置标题
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String title = titles.get(i);
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row.setRowStyle(headerStyle);
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row.createCell(i).setCellValue(title);
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}
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sheet.getRow(0).setHeight(height);
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HSSFCellStyle contentStyle = book.createCellStyle(); // 内容样式
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contentStyle.setAlignment(HorizontalAlignment.CENTER);
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List<PageData> varList = (List<PageData>) model.get("varList");
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int varCount = varList.size();
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for (int i = 0; i < varCount; i++) {
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PageData vpd = varList.get(i);
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HSSFRow rows = sheet.createRow(i + 1);
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for (int j = 0; j < len; j++) {
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String varstr = vpd.getString("var" + (j + 1)) != null ? vpd.getString("var" + (j + 1)) : "";
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rows.setRowStyle(contentStyle);
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rows.createCell(j).setCellValue(varstr);
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}
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}
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// 普通格式组装完毕，开始设置下拉框
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DataValidationHelper helper = sheet.getDataValidationHelper();
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// 房间类型
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String[] cwlxArray = { "产权车位", "出租车位", "出售车位", "临时车位" };
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DataValidationConstraint cwlxDVC = helper.createExplicitListConstraint(cwlxArray);
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CellRangeAddressList cwlxCRAL = new CellRangeAddressList(1, MAX_ROW, 0, 0);
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DataValidation cwlxDV = helper.createValidation(cwlxDVC, cwlxCRAL);
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cwlxDV.createErrorBox("请选择下拉框中的选项！", "请选择下拉框中的选项！");
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// 处理Excel兼容性问题
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if (cwlxDV instanceof XSSFDataValidation) {
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cwlxDV.setSuppressDropDownArrow(true);
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cwlxDV.setShowErrorBox(true);
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} else {
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cwlxDV.setSuppressDropDownArrow(false);
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}
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sheet.addValidationData(cwlxDV);
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// 房间性质
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String[] cwflArray = { "地下车位", "地上车位", "车库" };
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DataValidationConstraint cwflDVC = helper.createExplicitListConstraint(cwflArray);
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CellRangeAddressList cwflCRAL = new CellRangeAddressList(1, MAX_ROW, 1, 1);
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DataValidation cwflDV = helper.createValidation(cwflDVC, cwflCRAL);
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cwflDV.createErrorBox("请选择下拉框中的选项！", "请选择下拉框中的选项！");
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// 处理Excel兼容性问题
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if (cwflDV instanceof XSSFDataValidation) {
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cwflDV.setSuppressDropDownArrow(true);
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cwflDV.setShowErrorBox(true);
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} else {
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cwflDV.setSuppressDropDownArrow(false);
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}
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sheet.addValidationData(cwflDV);
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}
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} |