如何将数据从excel导入到jTable? [英] how to import datas from excel to jTable?

问题描述

JFileChooser fc = new JFileChooser();
    int option = fc.showSaveDialog(NewJFrame1.this);
    if(option == JFileChooser.APPROVE_OPTION){
        String filename = fc.getSelectedFile().getName();
        String path = fc.getSelectedFile().getParentFile().getPath();

        int len = filename.length();
        String ext = "";
        String file = "";

        if(len > 4){
            ext = filename.substring(len-4, len);
        }

        if(ext.equals(".xls")){
            file = path + "\\" + filename; 
        }else{
            file = path + "\\" + filename + ".xls"; 
        }
        toExcel(jTable1, new File(file));


    }

这是我将表保存到excel的方式，它可以正常工作，但是我想在重新启动程序后导入这些数据，有人可以帮我吗?

this is how i save my table to excel it works fine but i want to import these datas after i restart my program can someone help me about this ?

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