保存文件内容

public class SaveDocument {
	public static void main(String[] args) {
	    try {
	        String content =  "content";
	        byte[] bytes = str.getBytes("utf-8");
	        FileOutputStream fos= new FileOutputStream("director");
	        fos.write(bytes);
	        fos.close();
	    } catch (Exception e) {
	        e.printStackTrace();
	    }
	}
}