import java.io.File;
import jxl.*;
import jxl.write.Label;
import jxl.write.WritableSheet;
import jxl.write.WritableWorkbook;

public class Writer_excel{
  public static void main(String[] args) {
    //標題行
    String title[]={"角色","編號","功能名稱","功能描述"};
    //內(nèi)容
    String context[][]={{"UC11","設置課程","創(chuàng)建課程"},
              {"UC12","設置學生名單","給出與課程關(guān)聯(lián)的學生名單"},
              {"UC21","查看學生名單",""},
              {"UC22","查看小組信息","顯示助教所負責的小組列表信息"}
              };
    //操作執(zhí)行
    try { 
      //t.xls為要新建的文件名
      WritableWorkbook book= Workbook.createWorkbook(new File("t.xls")); 
      //生成名為“第一頁”的工作表，參數(shù)0表示這是第一頁 
      WritableSheet sheet=book.createSheet("第一頁",0); 
      
      //寫入內(nèi)容
      for(int i=0;i<4;i++)  //title
        sheet.addCell(new Label(i,0,title[i])); 
      for(int i=0;i<4;i++)  //context
      {
        for(int j=0;j<3;j++)
        {
          sheet.addCell(new Label(j+1,i+1,context[i][j])); 
        }
      }
      sheet.addCell(new Label(0,1,"教師"));
      sheet.addCell(new Label(0,3,"助教"));
      
      /*合并單元格.合并既可以是橫向的，也可以是縱向的
       *WritableSheet.mergeCells(int m,int n,int p,int q);  表示由(m,n)到(p,q)的單元格組成的矩形區(qū)域合并
       * */
      sheet.mergeCells(0,1,0,2);
      sheet.mergeCells(0,3,0,4);
      
      //寫入數(shù)據(jù)
      book.write(); 
      //關(guān)閉文件
      book.close(); 
    }
    catch(Exception e) { } 
  }
}