一般向一个文件里写入写入数字!
File file = new BufferedReader(new FileReader(path));PrintWriter pw = new PrintWriter(new FileOutputStream(filePath));
pw.println(Writestr);
pw.close();
File file = new BufferedReader(new FileReader(path));PrintWriter pw = new PrintWriter(new FileOutputStream(filePath));
pw.println(Writestr);
pw.close();
解决方案 »
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