/**
     * 
     * @param name 需保存的信息
     * @param age  需保存的信息
     */
    public void saveSharePrefer(String name, int age) 
　　{
　　　　　//SharedPreferences: Interface for accessing and modifying preference data

        SharedPreferences  sharPrefersharPrefer=context.getSharedPreferences("users", Context.MODE_PRIVATE);
        Editor editor=sharPrefer.edit();
        editor.putString("name", name);
        editor.putInt("age", age);
        editor.commit();
    }            

/**
     * 
     * @return以Map形式返回读取信息
     */
    public  Map<String,String> getSharePrefer()
    {        
        SharedPreferences    sharPrefer=context.getSharedPreferences("users", Context.MODE_PRIVATE);
        Map<String,String> map=new HashMap<>();
        String name=sharPrefer.getString("name", null);
        map.put("name",    name);
        int age=sharPrefer.getInt("age", 0);
        map.put("age", String.valueOf(age));
        return map;
    }