毕设&课程作业_基于SSH的在线实验系统。在线实验部分用matlab库实现.zip

package com.mathlab.action; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import javax.swing.JFileChooser; import javax.swing.filechooser.FileFilter; import jxl.Workbook; import jxl.format.Alignment; 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; import com.mathlab.model.Student; import com.mathlab.service.StuService; import com.opensymphony.xwork2.ActionSupport; public class ModelToExcelAction extends ActionSupport { StuService stuService; public StuService getStuService() { return stuService; } public void setStuService(StuService stuService) { this.stuService = stuService; } @Override public String execute() throws Exception { JFileChooser jfc = new JFileChooser(); jfc.setAcceptAllFileFilterUsed(false); jfc.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);//只是针对文件夹有效 jfc.setFileFilter( new FileFilter(){ public boolean accept(File f) { // TODO Auto-generated method stub return f.getName().toLowerCase().endsWith(".xls"); } public String getDescription() { // TODO Auto-generated method stub return "Excel File"; } } ); jfc.showSaveDialog(null); String filePath = jfc.getSelectedFile().getPath(); System.out.println(filePath); WritableWorkbook wwb; FileOutputStream fos; try{ fos = new FileOutputStream(filePath+"\\"+"学生名单"+".xls"); wwb = Workbook.createWorkbook(fos); WritableSheet ws = wwb.createSheet("sheet1", 0); // 创建一个工作表 // 设置单元格的文字格式 WritableFont wf = new WritableFont(WritableFont.ARIAL,12,WritableFont.NO_BOLD,false, UnderlineStyle.NO_UNDERLINE,Colour.BLUE); WritableCellFormat wcf = new WritableCellFormat(wf); wcf.setVerticalAlignment(VerticalAlignment.CENTRE); wcf.setAlignment(Alignment.CENTRE); ws.setRowView(1, 500); ws.addCell(new Label(0, 0, "记录编号",wcf)); ws.addCell(new Label(1, 0, "用户名", wcf)); ws.addCell(new Label(2, 0, "用户密码", wcf)); ws.addCell(new Label(3, 0, "学生姓名", wcf)); ws.addCell(new Label(4, 0, "学号", wcf)); ws.addCell(new Label(5, 0, "所属班级", wcf)); ws.addCell(new Label(6, 0, "权限", wcf)); //填充数据的内容 Student[] stu = new Student[stuService.listStu().size()]; for (int i = 0; i < stuService.listStu().size(); i++){ stu[i] = (Student)stuService.listStu().get(i); ws.addCell(new Label(0, i + 1, stu[i].getStuID().toString())); System.out.println(stu[i].getStuID().toString()); ws.addCell(new Label(1, i + 1, stu[i].getStuName())); ws.addCell(new Label(2, i + 1, stu[i].getStuPwd())); ws.addCell(new Label(3, i + 1, stu[i].getRealName())); ws.addCell(new Label(4, i + 1, stu[i].getStuNum())); ws.addCell(new Label(5, i + 1, stu[i].getGrade())); ws.addCell(new Label(6, i + 1, stu[i].getAuthority())); if(i == 0) wcf = new WritableCellFormat(); } wwb.write(); wwb.close(); } catch (IOException e){ } catch (RowsExceededException e){ } catch (WriteException e){} return "success"; } }