我已经尝试了此代码,但是jtextfield证明所有帮助都将不胜感激。我认为问题正在出现,而不是手动指定文本文件的位置,我使用Jfilechooser,但不确定。请有人帮我。
try {
try {
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
} catch (ClassNotFoundException ex) {
Logger.getLogger(doc.class.getName()).log(Level.SEVERE,null, ex);
} catch (InstantiationException ex) {
Logger.getLogger(doc.class.getName()).log(Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
Logger.getLogger(doc.class.getName()).log(Level.SEVERE, null, ex);
} catch (UnsupportedLookAndFeelException ex) {
Logger.getLogger(doc.class.getName()).log(Level.SEVERE, null, ex);
}
JFileChooser chooser = new JFileChooser();
chooser.showOpenDialog(null);
File f = chooser.getSelectedFile();
String filename = f.getAbsolutePath();
try
{
FileReader reader = new FileReader (filename);
BufferedReader br = new BufferedReader(reader);
jTextArea1.read(br, null);
br.close();
jTextArea1.requestFocus();
}catch(Exception e){
}
in = new BufferedReader(new FileReader(filename));
String str;
ArrayList<String> list = new ArrayList<>();
while((str = in.readLine()) != null){
list.add(str);
}
String[] listArray =list.toArray(new String[list.size()]);
for(int b=0; b<listArray.length;b++){
String[] Arra= str.split(" ")
serial_no.setText(Arra.get(0));
adm_no.setText(Arra.get(2));
第二个 BufferedReader
- in = new BufferedReader(new FileReader("filename"));
是不正确的,因为文件名是字符串而不是变量。
str
包含 String[] Arra= str.split(" ")
中的最后一条读行 - 是您想要的或lst.get(i).split(" ")
会在ith行中获得单词