基于JavaScript的智能停车场管理平台设计源码

package com.smart.common.util; import com.smart.common.constant.ExcelDataType; import org.apache.commons.lang3.StringUtils; import org.apache.poi.hssf.usermodel.HSSFCellStyle; import org.apache.poi.hssf.usermodel.HSSFRichTextString; import org.apache.poi.hssf.usermodel.HSSFWorkbook; import org.apache.poi.openxml4j.exceptions.InvalidFormatException; import org.apache.poi.ss.usermodel.Font; import org.apache.poi.ss.usermodel.*; import org.apache.poi.ss.util.CellRangeAddress; import org.apache.poi.ss.util.RegionUtil; import org.apache.poi.xssf.streaming.SXSSFWorkbook; import org.apache.poi.xssf.usermodel.*; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.awt.*; import java.awt.Color; import java.io.*; import java.net.URLEncoder; import java.sql.Timestamp; import java.util.List; import java.util.*; /** * 导出Excel文件（导出“XLSX”格式，支持大数据量导出 @see org.apache.poi.ss.SpreadsheetVersion） */ public class ExcelExport { private static Logger log = LoggerFactory.getLogger(ExcelExport.class); /** * 单元格靠左对齐 */ public static final Integer CELL_ALIGN_LEFT = 1; /** * 单元格居中对齐 */ public static final Integer CELL_ALIGN_CENTER = 2; /** * 单元格靠右对齐 */ public static final Integer CELL_ALIGN_RIGHT = 3; /** * 工作薄对象 */ private SXSSFWorkbook wb; /** * 工作表对象 */ private Sheet sheet; /** * 样式列表 */ private Map<String, CellStyle> styles; /** * 当前行号 */ private int rownum; /** * 导出模板工作薄对象 */ private Workbook workbook; /** * 构造函数 * * 导出文件模板，读取第一个工作表 * @param headerNum * 标题行号，数据行号=标题行号+1 * @throws InvalidFormatException * @throws IOException */ public ExcelExport(String fileName, int headerNum) throws InvalidFormatException, IOException { this(new File(fileName), headerNum); } /** * 构造函数 * * 导出文件模板对象，读取第一个工作表 * @param headerNum * 标题行号，数据行号=标题行号+1 * @throws InvalidFormatException * @throws IOException */ public ExcelExport(File file, int headerNum) throws InvalidFormatException, IOException { this(file, headerNum, 0); } /** * 构造函数 * * 导出文件模板 * @param headerNum * 标题行号，数据行号=标题行号+1 * @param sheetIndex * 工作表编号 * @throws InvalidFormatException * @throws IOException */ public ExcelExport(String fileName, int headerNum, int sheetIndex) throws InvalidFormatException, IOException { this(new File(fileName), headerNum, sheetIndex); } /** * 构造函数 * * 导出文件模板对象 * @param headerNum * 标题行号，数据行号=标题行号+1 * @param sheetIndex * 工作表编号 * @throws InvalidFormatException * @throws IOException */ public ExcelExport(File file, int headerNum, int sheetIndex) throws InvalidFormatException, IOException { this(file.getName(), new FileInputStream(file), headerNum, sheetIndex); } /** * 构造函数 * * 导出文件模板对象 * @param headerNum * 标题行号，数据行号=标题行号+1 * @param sheetIndex * 工作表编号 * @throws IOException */ public ExcelExport(String fileName, InputStream is, int headerNum, int sheetIndex) throws IOException { if (StringUtils.isBlank(fileName)) { throw new RuntimeException("导入文档为空!"); } else if (fileName.toLowerCase().endsWith("xls")) { this.workbook = new HSSFWorkbook(is); } else if (fileName.toLowerCase().endsWith("xlsx")) { this.workbook = new XSSFWorkbook(is); } else if (fileName.toLowerCase().endsWith("xlsm")) { this.workbook = new XSSFWorkbook(is); } else { throw new RuntimeException("文档格式不正确!"); } if (this.workbook.getNumberOfSheets() < sheetIndex) { throw new RuntimeException("文档中没有工作表!"); } this.sheet = this.workbook.getSheetAt(sheetIndex); if (this.sheet.getLastRowNum() < 0) { throw new RuntimeException("文档模板错误!"); } this.rownum = headerNum + 1; this.styles = createStyles(workbook); log.debug("Initialize success."); } /** * 构造函数 -- SXSSFWorkbook * @param fileName * @param headerNum * @param sheetIndex * @param batchType * @throws IOException */ public ExcelExport(String fileName, int headerNum, int sheetIndex, String batchType) throws IOException { if (StringUtils.isBlank(fileName)) { throw new RuntimeException("导出文档为空!"); } else { InputStream is = new FileInputStream(new File(fileName)); XSSFWorkbook workb = new XSSFWorkbook(is); this.wb = new SXSSFWorkbook(workb, 1000); if (this.wb.getNumberOfSheets() < sheetIndex) { throw new RuntimeException("文档中没有工作表!"); } this.sheet = this.wb.getSheetAt(sheetIndex); this.rownum = headerNum + 1; this.styles = createStyles(wb); log.debug("Initialize success."); } } /** * 构造函数 * * @param title * 表格标题，传“空值”，表示无标题 * @param headerMap * 表头数组 */ public ExcelExport(String title, Map<String, String> headerMap) { List<String> headerList = new ArrayList<String>(); headerList.add("序号"); for (String key : headerMap.keySet()) { headerList.add(headerMap.get(key)); } initialize(title, headerList); } /** * 构造函数 * * @param title * 表格标题，传“空值”，表示无标题 * @param headerList * 表头列表 */ public ExcelExport(String title, List<String> headerList) { // 自动增加序号列 headerList.add(0, "序号"); initialize(title, headerList); } /** * 初始化函数 * * @param title * 表格标题，传“空值”，表示无标题 * @param headerList * 表头列表 */ private void initialize(String title, List<String> headerList) { this.wb = new SXSSFWorkbook(500); this.sheet = wb.createSheet("Export"); this.styles = createStyles(wb); // Create title if (StringUtils.isNotBlank(title)) { Row titleRow = sheet.createRow(rownum++); titleRow.setHeightInPoints(30); Cell titleCell = titleRow.createCell(0); titleCell.setCellStyle(styles.get("title")); titleCell.setCellValue(title); sheet.addMergedRegion(new CellRangeAddress(titleRow.getRowNum(), titleRow.getRowNum(), titleRow.getRowNum(), headerList.size() - 1)); } // Create header if (headerList == null) { throw new RuntimeException("headerList not null!"); } Row headerRow = sheet.createRow(rownum++); headerRow.setHeightInPoints(16); for (int i = 0; i < headerList.size(); i++) { Cell cell = headerRow.createCell(i); cell.setCellSty