标签：tac tee not view rac otf 创建 isp fileinput
方法一，利用第三方jar包:jxl.jar
无论方法一方法二最后最好用转换成流传给前端。
1 public void createExcel(){ 2 try{ 3 //打开文件 4 WritableWorkbook workbook = Workbook.createWorkbook(new File("test.xls")); 5 //生成名为“第一页”的工作表，参数0表示这是第一页 6 WritableSheet sheet = workbook.createSheet("第一页", 0); 7 //在Label对象的构造子中指名单元格位置是第一列第一行(0,0) 8 //以及单元格内容为test 9 Label label = new Label(0,0,"test"); 10 //将定义好的单元格添加到工作表中 11 sheet.addCell(label); 12 /*生成一个保存数字的单元格 13 * 必须使用Number的完整包路径，否则有语法歧义 14 * 单元格位置是第二列，第一行，值为789.123*/ 15 jxl.write.Number number = new jxl.write.Number(1,0,756); 16 17 sheet.addCell(number); 18 19 sheet.insertColumn(1); 20 21 workbook.copySheet(0, "第二页", 1); 22 23 WritableSheet sheet2 = workbook.getSheet(1); 24 Range range = sheet2.mergeCells(0, 0, 0, 8); 25 sheet2.unmergeCells(range); 26 27 sheet2.addImage(new WritableImage(5, 5, 10, 20, new File("F:\\09.png"))); 28 29 30 CellView cv = new CellView(); 31 32 WritableCellFormat cf = new WritableCellFormat(); 33 cf.setBackground(Colour.BLUE); 34 35 cv.setFormat(cf); 36 cv.setSize(6000); 37 cv.setDimension(10); 38 39 sheet2.setColumnView(2, cv); 40 41 workbook.write(); 42 workbook.close(); 43 44 }catch(Exception e){} 45 }
同时，读取Excel中的内容为：
1 public void displayExcel(){ 2 try { 3 Workbook wb = Workbook.getWorkbook(new File("test.xls")); 4 5 Sheet s = wb.getSheet(0); 6 System.out.println(s.getCell(0, 0).getContents()); 7 } catch (BiffException e) { 8 // TODO Auto-generated catch block 9 e.printStackTrace(); 10 } catch (IOException e) { 11 // TODO Auto-generated catch block 12 e.printStackTrace(); 13 } 14 15 }
方法二，利用jar包：poi-3.2-FINAL-20081019.jar
1 public void exportExcel(){ 2 3 HSSFWorkbook wb = new HSSFWorkbook();//创建工作薄 4 5 HSSFFont font = wb.createFont(); 6 font.setFontHeightInPoints((short)24); 7 font.setFontName("宋体"); 8 font.setColor(HSSFColor.BLACK.index); 9 font.setBoldweight(HSSFFont.BOLDWEIGHT_BOLD); 10 11 HSSFCellStyle style = wb.createCellStyle(); 12 style.setAlignment(HSSFCellStyle.ALIGN_CENTER); 13 style.setFillForegroundColor(HSSFColor.LIGHT_TURQUOISE.index); 14 style.setFillPattern(HSSFCellStyle.SOLID_FOREGROUND); 15 style.setBorderBottom(HSSFCellStyle.BORDER_THICK); 16 style.setFont(font); 17 18 HSSFSheet sheet = wb.createSheet("test");//创建工作表，名称为test 19 20 int iRow = 0;//行号 21 int iMaxCol = 17;//最大列数 22 HSSFRow row = sheet.createRow(iRow); 23 HSSFCell cell = row.createCell((short)0); 24 cell.setCellValue(new HSSFRichTextString("测试excel")); 25 cell.setCellStyle(style); 26 sheet.addMergedRegion(new Region(iRow,(short)0,iRow,(short)(iMaxCol-1))); 27 28 ByteArrayOutputStream os = new ByteArrayOutputStream(); 29 30 try{ 31 wb.write(os); 32 }catch(IOException e){ 33 e.printStackTrace(); 34 //return null; 35 } 36 37 byte[] xls = os.toByteArray(); 38 39 File file = new File("test01.xls"); 40 OutputStream out = null; 41 try { 42 out = new FileOutputStream(file); 43 try { 44 out.write(xls); 45 } catch (IOException e) { 46 // TODO Auto-generated catch block 47 e.printStackTrace(); 48 } 49 } catch (FileNotFoundException e1) { 50 // TODO Auto-generated catch block 51 e1.printStackTrace(); 52 } 53 54 55 }
这里补上相关的jar包：jxl.jar, poi.jar 的下载地址：
http://download.csdn.net/download/kuangfengbuyi/4658127
三、Excel导入到数据库
1、添加POI jar包到项目的lib目录下-
2、Excel文件目录:d://excel.xls-
3、数据库字段为:num1 num2 num3 num4 num5 num6-
4、数据库名：blog-
5、表名:test-
6、编写类：连接mysql的字符串方法、插入的方法、实体类--
1 import java.io.FileInputStream;- 2 import java.io.FileNotFoundException;- 3 import java.io.IOException;- 4 import org.apache.commons.logging.Log;- 5 import org.apache.commons.logging.LogFactory;- 6 import org.apache.poi.hssf.usermodel.HSSFCell;- 7 import org.apache.poi.hssf.usermodel.HSSFRow;- 8 import org.apache.poi.hssf.usermodel.HSSFSheet;- 9 import org.apache.poi.hssf.usermodel.HSSFWorkbook;- 10 11 public class TestExcel {- 12 //记录类的输出信息- 13 static Log log = LogFactory.getLog(TestExcel.class); - 14 //获取Excel文档的路径- 15 public static String filePath = "D://excel.xls";- 16 public static void main(String[] args) {- 17 try {- 18 // 创建对Excel工作簿文件的引用- 19 HSSFWorkbook wookbook = new HSSFWorkbook(new FileInputStream(filePath));- 20 // 在Excel文档中，第一张工作表的缺省索引是0 21 // 其语句为：HSSFSheet sheet = workbook.getSheetAt(0);- 22 HSSFSheet sheet = wookbook.getSheet("Sheet1");- 23 //获取到Excel文件中的所有行数- 24 int rows = sheet.getPhysicalNumberOfRows(); 25 //遍历行- 26 for (int i = 0; i < rows; i++) {- 27 // 读取左上端单元格- 28 HSSFRow row = sheet.getRow(i);- 29 // 行不为空- 30 if (row != null) {- 31 //获取到Excel文件中的所有的列- 32 int cells = row.getPhysicalNumberOfCells();- 33 String value = ""; - 34 //遍历列- 35 for (int j = 0; j < cells; j++) {- 36 //获取到列的值- 37 HSSFCell cell = row.getCell(j);- 38 if (cell != null) {- 39 switch (cell.getCellType()) {- 40 case HSSFCell.CELL_TYPE_FORMULA:- 41 break;- 42 case HSSFCell.CELL_TYPE_NUMERIC:- 43 value += cell.getNumericCellValue() + ","; - 44 break; - 45 case HSSFCell.CELL_TYPE_STRING:- 46 value += cell.getStringCellValue() + ",";- 47 break;- 48 default:- 49 value += "0";- 50 break;- 51 }- 52 } 53 }- 54 // 将数据插入到mysql数据库中- 55 String[] val = value.split(",");- 56 TestEntity entity = new TestEntity();- 57 entity.setNum1(val[0]);- 58 entity.setNum2(val[1]);- 59 entity.setNum3(val[2]);- 60 entity.setNum4(val[3]);- 61 entity.setNum5(val[4]);- 62 entity.setNum6(val[5]);- 63 TestMethod method = new TestMethod();- 64 method.Add(entity);- 65 }- 66 }- 67 } catch (FileNotFoundException e) {- 68 e.printStackTrace();- 69 } catch (IOException e) {- 70 e.printStackTrace();- 71 }- 72 }- 73 }-
标签：tac tee not view rac otf 创建 isp fileinput
原文地址：http://www.cnblogs.com/arctictern/p/6644344.html
