本文實例為大家分享了java動態導出excel壓縮成zip下載的具體代碼，供大家參考，具體內容如下
package pack.java.io.demo;import java.io.BufferedOutputStream;import java.io.File;import java.io.FileInputStream;import java.io.FileOutputStream;import java.io.IOException;import java.text.SimpleDateFormat;import java.util.Date;import java.util.zip.ZipEntry;import java.util.zip.ZipOutputStream;import jxl.Workbook;import jxl.format.Alignment;import jxl.format.Border;import jxl.format.BorderLineStyle;import jxl.format.Colour;import jxl.format.UnderlineStyle;import jxl.format.VerticalAlignment;import jxl.write.Label;import jxl.write.WritableCellFormat;import jxl.write.WritableFont;import jxl.write.WritableSheet;import jxl.write.WritableWorkbook;import jxl.write.WriteException;import jxl.write.biff.RowsExceededException; /** * zip壓縮文件實例* add by 周海濤* @author Administrator * */public class ZipDemo { /** * @param args * @throws IOException * @throws WriteException * @throws RowsExceededException */ public static void main(String[] args) throws RowsExceededException, WriteException, IOException { String path = "C:/document/excel"; //創建文件夾; createFile(path); //創建Excel文件; createExcelFile(path); //生成.zip文件; craeteZipPath(path); //刪除目錄下所有的文件; File file = new File(path); //刪除文件; deleteExcelPath(file); //重新創建文件; file.mkdirs(); } /** * 創建文件夾; * @param path * @return */ public static String createFile(String path){ File file = new File(path); //判斷文件是否存在; if(!file.exists()){ //創建文件; boolean bol = file.mkdirs(); if(bol){ System.out.println(path+" 路徑創建成功!"); }else{ System.out.println(path+" 路徑創建失敗!"); } }else{ System.out.println(path+" 文件已經存在!"); } return path; } /** * 在指定目錄下創建Excel文件; * @param path * @throws IOException * @throws WriteException * @throws RowsExceededException */ public static void createExcelFile(String path) throws IOException, RowsExceededException, WriteException{ for(int i =0;i<3;i++){ //創建Excel; WritableWorkbook workbook = Workbook.createWorkbook(new File(path+"/" + new SimpleDateFormat("yyyyMMddHHmmsss").format(new Date() )+"_"+(i+1)+".xls")); //創建第一個sheet文件; WritableSheet sheet = workbook.createSheet("導出Excel文件", 0); //設置默認寬度; sheet.getSettings().setDefaultColumnWidth(30); //設置字體; WritableFont font1 = new WritableFont(WritableFont.ARIAL,14,WritableFont.BOLD,false,UnderlineStyle.NO_UNDERLINE,Colour.RED); WritableCellFormat cellFormat1 = new WritableCellFormat(font1); //設置背景顏色; cellFormat1.setBackground(Colour.BLUE_GREY); //設置邊框; cellFormat1.setBorder(Border.ALL, BorderLineStyle.DASH_DOT); //設置自動換行; cellFormat1.setWrap(true); //設置文字居中對齊方式; cellFormat1.setAlignment(Alignment.CENTRE); //設置垂直居中; cellFormat1.setVerticalAlignment(VerticalAlignment.CENTRE); //創建單元格Label label1 = new Label(0, 0, "第一行第一個單元格(測試是否自動換行!)",cellFormat1); Label label2 = new Label(1, 0, "第一行第二個單元格",cellFormat1); Label label3 = new Label(2, 0, "第一行第三個單元格",cellFormat1); Label label4 = new Label(3, 0, "第一行第四個單元格",cellFormat1); //添加到行中; sheet.addCell(label1); sheet.addCell(label2); sheet.addCell(label3); sheet.addCell(label4); //給第二行設置背景、字體顏色、對齊方式等等; WritableFont font2 = new WritableFont(WritableFont.ARIAL,14,WritableFont.NO_BOLD,false,UnderlineStyle.NO_UNDERLINE,Colour.BLUE2); WritableCellFormat cellFormat2 = new WritableCellFormat(font2); cellFormat2.setAlignment(Alignment.CENTRE); cellFormat2.setBackground(Colour.PINK); cellFormat2.setBorder(Border.ALL, BorderLineStyle.THIN); cellFormat2.setWrap(true); //創建單元格; Label label11= new Label(0, 1, "第二行第一個單元格(測試是否自動換行!)",cellFormat2); Label label22 = new Label(1, 1, "第二行第二個單元格",cellFormat2); Label label33 = new Label(2, 1, "第二行第三個單元格",cellFormat2); Label label44 = new Label(3, 1, "第二行第四個單元格",cellFormat2); sheet.addCell(label11); sheet.addCell(label22); sheet.addCell(label33); sheet.addCell(label44); //寫入Excel表格中; workbook.write(); //關閉流; workbook.close(); } } /** * 生成.zip文件; * @param path * @throws IOException */ public static void craeteZipPath(String path) throws IOException{ ZipOutputStream zipOutputStream = null; File file = new File(path+new SimpleDateFormat("yyyyMMddHHmmss").format(new Date())+".zip"); zipOutputStream = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(file))); File[] files = new File(path).listFiles(); FileInputStream fileInputStream = null; byte[] buf = new byte[1024]; int len = 0; if(files!=null && files.length > 0){ for(File excelFile:files){ String fileName = excelFile.getName(); fileInputStream = new FileInputStream(excelFile); //放入壓縮zip包中; zipOutputStream.putNextEntry(new ZipEntry(path + "/"+fileName)); //讀取文件; while((len=fileInputStream.read(buf)) >0){ zipOutputStream.write(buf, 0, len); } //關閉; zipOutputStream.closeEntry(); if(fileInputStream != null){ fileInputStream.close(); } } } if(zipOutputStream !=null){ zipOutputStream.close(); } } /** * 刪除目錄下所有的文件; * @param path */ public static boolean deleteExcelPath(File file){ String[] files = null; if(file != null){ files = file.list(); } if(file.isDirectory()){ for(int i =0;i<files.length;i++){ boolean bol = deleteExcelPath(new File(file,files[i])); if(bol){ System.out.println("刪除成功!"); }else{ System.out.println("刪除失敗!"); } } } return file.delete(); }}以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持武林網。