Android 文件存储的简单实现

文件写入

    private void save(String inputText) {
       FileOutputStream out = null ;
       BufferedWriter writer = null ;
       try {
           out = openFileOutput("data", Activity.MODE_PRIVATE);
           writer = new BufferedWriter(new OutputStreamWriter(out));
           writer.write(inputText);
       } catch (Exception e) {
           e.printStackTrace();
       } finally{
           try {
               if(writer != null ){
                   writer.close();
               }
           } catch (IOException e) {
               e.printStackTrace();
           }
       }

   }

文件读取

    private String load(String fileName){
       FileInputStream in = null;
       BufferedReader reader = null;
       StringBuilder content = new StringBuilder();
       try {
           in = openFileInput(fileName);
           reader = new BufferedReader(new InputStreamReader(in));
           String line = "";
           while( (line = reader.readLine()) != null ){
               content.append(line);
           }
       } catch (Exception e) {
           e.printStackTrace();
       } finally{
           try {
               if(reader != null){
                   reader.close();
               }
           } catch (IOException e) {
               e.printStackTrace();
           }
       }
       return content.toString();
   }

内容参照《第一行代码》

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