java 写excel

import java.io.*;

import jxl.*;
import jxl.format.UnderlineStyle;
import jxl.write.*;
import jxl.write.Number;
import jxl.write.Boolean;
/** * 输出Excel * * @param os */ public static void writeExcel(File 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("c://gisoracle.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(); } }

调用

 File file = new File("e://1.XLS");
    writeExcel(file);

结果