多个excel导出压缩成zip 文件 数据量大导出

package com.pactera.common.jxl; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.sql.Types; import java.util.ArrayList; import jxl.Cell; import jxl.CellType; import jxl.LabelCell; import jxl.Sheet; import jxl.Workbook; import jxl.format.UnderlineStyle; import jxl.write.Boolean; import jxl.write.DateFormat; import jxl.write.DateTime; import jxl.write.Label; import jxl.write.Number; import jxl.write.NumberFormat; import jxl.write.WritableCell; import jxl.write.WritableCellFormat; import jxl.write.WritableFont; import jxl.write.WritableSheet; import jxl.write.WritableWorkbook; import jxl.write.WriteException; public class ExcelHandle { public ExcelHandle() { } /** * 读取Excel * * @param filePath */ public static void readExcel(String filePath) { try { InputStream is = new FileInputStream(filePath); Workbook rwb = Workbook.getWorkbook(is); // Sheet st = rwb.getSheet("0")这里有两种方法获取sheet表,1为名字，而为下标，从0开始 Sheet st = rwb.getSheet("original"); Cell c00 = st.getCell(0, 0); // 通用的获取cell值的方式,返回字符串 String strc00 = c00.getContents(); // 获得cell具体类型值的方式 if (c00.getType() == CellType.LABEL) { LabelCell labelc00 = (LabelCell) c00; strc00 = labelc00.getString(); } // 输出 System.out.println(strc00); // 关闭 rwb.close(); } catch (Exception e) { e.printStackTrace(); } } /** * 输出Excel * * @param os */ public static void writeExcel(OutputStream os) { try { /** * 只能通过API提供的工厂方法来创建Workbook，而不能使用WritableWorkbook的构造函数， 因为类WritableWorkbook的构造函数为protected类型 method(1)直接从目标文件中读取WritableWorkbook wwb = Workbook.createWorkbook(new File(targetfile)); method(2)如下实例所示 将WritableWorkbook直接写入到输出流 * */ WritableWorkbook wwb = Workbook.createWorkbook(os); // 创建Excel工作表 指定名称和位置 WritableSheet ws = wwb.createSheet("Test Sheet 1", 0); // **************往工作表中添加数据***************** // 1.添加Label对象 Label label = new Label(0, 0, "this is a label test"); ws.addCell(label); // 添加带有字型Formatting对象 WritableFont wf = new WritableFont(WritableFont.TIMES, 18, WritableFont.BOLD, true); WritableCellFormat wcf = new WritableCellFormat(wf); Label labelcf = new Label(1, 0, "this is a label test", wcf); ws.addCell(labelcf); // 添加带有字体颜色的Formatting对象 WritableFont wfc = new WritableFont(WritableFont.ARIAL, 10, WritableFont.NO_BOLD, false, UnderlineStyle.NO_UNDERLINE, jxl.format.Colour.RED); WritableCellFormat wcfFC = new WritableCellFormat(wfc); Label labelCF = new Label(1, 0, "This is a Label Cell", wcfFC); ws.addCell(labelCF); // 2.添加Number对象 Number labelN = new Number(0, 1, 3.1415926); ws.addCell(labelN); // 添加带有formatting的Number对象 NumberFormat nf = new NumberFormat("#.##"); WritableCellFormat wcfN = new WritableCellFormat(nf); Number labelNF = new jxl.write.Number(1, 1, 3.1415926, wcfN); ws.addCell(labelNF); // 3.添加Boolean对象 Boolean labelB = new jxl.write.Boolean(0, 2, false); ws.addCell(labelB); // 4.添加DateTime对象 jxl.write.DateTime labelDT = new jxl.write.DateTime(0, 3, new java.util.Date()); ws.addCell(labelDT); // 添加带有formatting的DateFormat对象 DateFormat df = new DateFormat("dd MM yyyy hh:mm:ss"); WritableCellFormat wcfDF = new WritableCellFormat(df); DateTime labelDTF = new DateTime(1, 3, new java.util.Date(), wcfDF); ws.addCell(labelDTF); // 添加图片对象,jxl只支持png格式图片 // File image = new File("f:\\2.png"); // WritableImage wimage = new WritableImage(0,1,2,2,image); // ws.addImage(wimage); // 写入工作表 wwb.write(); wwb.close(); } catch (Exception e) { e.printStackTrace(); } } @SuppressWarnings("rawtypes") public static void writeExcel(com.pactera.common.jxl.commonBean beanInst, OutputStream os) throws Exception { ArrayList alRst = beanInst.getExptRst(); int rstLen = alRst.size() - com.pactera.common.jxl.commonBean.startRowNo; ArrayList alTitle = (ArrayList) alRst.get(0); ArrayList alType = (ArrayList) alRst.get(1); try { WritableWorkbook wwb = Workbook.createWorkbook(os); // 创建Excel工作表 指定名称和位置 WritableSheet ws = wwb.createSheet("Sheet 1", 0); // **************往工作表中添加数据***************** // 添加标题 WritableFont wf = new WritableFont(WritableFont.ARIAL, 10, WritableFont.BOLD, false); WritableCellFormat wcf = new WritableCellFormat(wf); for (int col = 0; col < alTitle.size(); col++) { Label label = new Label(col, 0, alTitle.get(col).toString(), wcf); ws.addCell(label); } // 添加内容 for (int row = 1; row <= rstLen; row++) { ArrayList alItem = (ArrayList) alRst.get(row + com.pactera.common.jxl.commonBean.startRowNo - 1); for (int col = 0; col < alTitle.size(); col++) { int type = Integer.parseInt(alType.get(col).toString()); if (alItem.get(col) == null) { Label label = new Label(col, row, "null"); ws.addCell(label); continue; } switch (type) { case Types.INTEGER: case Types.BIGINT: case Types.SMALLINT: // NumberFormat nf = new NumberFormat("0"); // WritableCellFormat wcf2 = new WritableCellFormat(nf); Number number = new Number(col, row, Double.parseDouble(alItem.get(col).toString())); ws.addCell(number); break; case Types.DECIMAL: case Types.DOUBLE: case Types.FLOAT: case Types.NUMERIC: Number number2 = new Number(col, row, Double.parseDouble(alItem.get(col).toString())); ws.addCell(number2); break; case Types.CHAR: case Types.VARCHAR: default: Label label = new Label(col, row, alItem.get(col).toString()); ws.addCell(label); break; }// switch } // for } // for // 写入工作表 wwb.write(); wwb.close(); // os.flush(); // os.close(); } catch (Exception e) { // try // e.printStackTrace(); throw e; } } @SuppressWarnings("rawtypes") public static void writeExcel(com.pactera.common.jxl.commonAuditDetailBean beanInst, OutputStream os) throws Exception { ArrayList alRst = beanInst.getPgRst(); int rstLen = alRst.size() - com.pactera.common.jxl.commonBean.startRowNo; ArrayList alTitle = (ArrayList) alRst.get(0); ArrayList alType = (ArrayList) alRst.get(1); try { WritableWorkbook wwb = Workbook.createWorkbook(os); // 创建Excel工作表 指定名称和位置 WritableSheet ws = wwb.createSheet("Sheet 1", 0); // **************往工作表中添加数据***************** // 添加标题 WritableFont wf = new WritableFont(WritableFont.ARIAL, 10, WritableFont.BOLD, false); WritableCellFormat wcf = new WritableCellFormat(wf); for (int col = 0; col < alTitle.size(); col++) { Label label = new Label(col, 0, alTitle.get(col).toString(), wcf); ws.addCell(label); } // 添加内容 for (int row = 1; row <= rstLen; row++) { ArrayList alItem = (ArrayList) alRst.get(row + com.pactera.common.jxl.commonBean.startRowNo - 1); for (int col = 0; col < alTitle.size(); col++) { int type = Integer.parseInt(alType.get(col).toString()); if (alItem.get(col) == null) { Label label = new Label(col, row, "null"); ws.addCell(label); continue; } switch (type) { case Types.INTEGER: case