File file = new File("C:/Users/Administrator/Desktop/paper/"+datetime+".txt");
FileWriter fileWriter = new FileWriter(file);
fileWriter.write(str);
fileWriter.close();
File file = new File(request.getSession().getServletContext().getRealPath("/"+datetime+".txt"));
FileWriter fileWriter = new FileWriter(file);
fileWriter.write(context);
fileWriter.close();
第一个成功运行,第二个失败,求解
------解决方案--------------------
啥错误?
还有,request.getSession().getServletContext().getRealPath("/"+datetime+".txt"),你这个打印出来是啥子