怎么操作excel

如何操作excel

本文參考網絡資源

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本文用jxl來操作excel

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package com.thh;import java.io.File;import jxl.Workbook;import jxl.write.Label;import jxl.write.WritableSheet;import jxl.write.WritableWorkbook;/** * 读取Excel文件的内容 * * @param file * 待读取的文件 * @return // 生成Excel的类 */public class TestExcel {public static void main(String[] args) {// 打开文件try {WritableWorkbook book = Workbook.createWorkbook(new File(" test.xls "));// 生成名为“第一页”的工作表，参数0表示这是第一页WritableSheet sheet = book.createSheet(" 第一页 ", 0);// 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)// 以及单元格内容为testLabel label = new Label(0, 0, " test ");// 将定义好的单元格添加到工作表中sheet.addCell(label);// 写入数据并关闭文件book.write();book.close();} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}}?

package com.thh;//读取Excel的类   import java.io.File;import jxl.Cell;import jxl.Sheet;import jxl.Workbook;public class ReadXLS {public static void main(String args[]) {try {Workbook book = Workbook.getWorkbook(new File(" test.xls "));// 获得第一个工作表对象Sheet sheet = book.getSheet(0);// 得到第一列第一行的单元格Cell cell1 = sheet.getCell(0, 0);String result = cell1.getContents();System.out.println(result);book.close();} catch (Exception e) {// System.out.println(e);e.printStackTrace();}}}

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//合并单元格并在单元格中输入内容package com.thh;import java.io.*;import jxl.write.*;import jxl.*;public class MergeCells {    public static void main(String[] args) {        try {            WritableWorkbook book = Workbook                    .createWorkbook(new File("test.xls"));            WritableSheet sheet = book.createSheet("第一页", 0);            sheet.mergeCells(3, 3, 6, 6); // 合并单元格            // 设置填充内容的格式            WritableFont font = new WritableFont(WritableFont.TIMES, 30,                    WritableFont.BOLD);            WritableCellFormat format = new WritableCellFormat(font);            format.setAlignment(jxl.format.Alignment.CENTRE); // 水平居中            format.setVerticalAlignment(jxl.format.VerticalAlignment.CENTRE); // 垂直居中            format.setBackground(jxl.format.Colour.BLUE); // 背景颜色和样式            format.setBorder(jxl.format.Border.ALL,                    jxl.format.BorderLineStyle.THICK); // 边框样式            Label label = new Label(3, 3, "合并", format); // 添加内容            sheet.addCell(label);            book.write();            book.close();        }// end try        catch (Exception e) {            e.printStackTrace();        }    }}

//在工作表中添加图片package com.thh;import java.io.*;import jxl.*;import jxl.write.*;public class CreateImage {public static void main(String[] args) {try {WritableWorkbook book = Workbook.createWorkbook(new File("test.xls"));WritableSheet sheet = book.createSheet("第一页", 0);WritableImage image = new WritableImage(3.5,3.5,4.3,8.7, // 定义图片格式new File("1.png"));sheet.addImage(image); // 添加图片book.write();book.close();}// end trycatch (Exception e) {e.printStackTrace();}}}