public static void exportExcel(List<LinkMan> linkMans){
		JFileChooser fileChooser = new JFileChooser();
		File file = new File( "通讯录.xls");
		fileChooser.setSelectedFile(file);
		FileWriter writer = null;
		if(fileChooser.showSaveDialog(null) == 0){	
			try {
				file = fileChooser.getSelectedFile();
				if(!file.exists())
					file.createNewFile();
			    writer = new FileWriter(file);
			    for(int i=0; i<linkMans.size(); i++){
			    	for(Object eachItem: linkMans.get(i).toArray()){
			    		writer.write((String)eachItem + '\t');
			    	}
			    	writer.write('\n');
			    }
			} catch (Exception e) {
				JOptionPane.showMessageDialog(null, "写入文件错误", "提醒", JOptionPane.ERROR_MESSAGE);
			}finally{
			    try {
					writer.close();
				} catch (IOException e) {
					JOptionPane.showMessageDialog(null, "写入文件错误", "提醒", JOptionPane.ERROR_MESSAGE);
				}
			}
		}
	}