写入文件 File file = new File("word.txt");try {FileWriter out = new FileWriter(file); String s = jTextArea.getText();out.write(s); // 将信息写入磁盘文件out.close(); // 将流关闭 } catch (Exception e1) {e1.printStackTrace();}
File file = new File("word.txt");
try {
FileWriter out = new FileWriter(file);
String s = jTextArea.getText();
out.write(s); // 将信息写入磁盘文件
out.close(); // 将流关闭
} catch (Exception e1) {
e1.printStackTrace();
}
文件读取
File file = new File("word.txt"); // 创建文件对象
try {
FileReader in = new FileReader(file);
char byt[] = new char[1024]; // 创建char型数组
int len = in.read(byt); // 将字节读入数组
jTextArea.setText(new String(byt, 0, len));
in.close(); // 关闭流
} catch (Exception e1) {
e1.printStackTrace();
}
