private void jButtonStartSearchActionPerformed(java.awt.event.ActionEvent evt) {
{...

            String[] t = new String[mySearching.leng];
            t = mySearching.Search(keyWords,indexDir);//t为存放String类型的一维数组
            DefaultListModel listModel = new DefaultListModel();
            for(int i=0;i<mySearching.leng;i++){
                listModel.addElement(t[i]);
            }
            JList jListSearchingFiles = new JList(listModel);

}