@Override

        protected void map(LongWritable key, Text value,

                Mapper<LongWritable, Text, Text, DoubleWritable>.Context context)

                        throws IOException, InterruptedException {

            Configuration conf = context.getConfiguration();

            int tot = Integer.parseInt(conf.get("TOTALWORDS"));

            System.out.println("total === " + total);

            System.out.println("tot = " + tot);

            // 输入的格式如下：

            // ALB weekend 1

            // ALB weeks 3

            Map<String, List<String>> baseMap = new HashMap<String, List<String>>(); // 保存基础数据

//            Map<String, List<Double>> priorMap = new HashMap<String, List<Double>>(); // 保存每个单词出现的概率

            String[] temp = value.toString().split("\t");

            // 先将数据存到baseMap中

            if (temp.length == 3) {

                // 文件夹名类别名temp[0]

                String wordAndNumber = null;

                wordAndNumber = temp[1] + "\t" + temp[2];

                if (baseMap.containsKey(temp[0])) {

                    baseMap.get(temp[0]).add(wordAndNumber);

                } else {

                    List<String> oneList = new ArrayList<String>();

                    oneList.add(wordAndNumber);

                    baseMap.put(temp[0], oneList);

                }

            } // 读取数据完毕，全部保存在baseMap中

            // 两层循环计算出每个类别中每个单词的概率

            Iterator<Map.Entry<String, List<String>>> iterators = baseMap.entrySet().iterator();

            while (iterators.hasNext()) {// 遍历类别

                Map.Entry<String, List<String>> iterator = iterators.next();

                int allWordsInClass = 0;

                // list遍历

                Iterator<String> its = iterator.getValue().iterator();

                // 得到每个类别的单词总数

                while (its.hasNext()) {

                    String[] temp1 = its.next().split("\t");

                    allWordsInClass += Integer.parseInt(temp1[1]);

                }

                System.out.println(allWordsInClass);// 这个数据没有计算成功？？？？

                //

//                Map<String, List<Double>> pMap = new HashMap<String, List<Double>>();

//                List<Double> pList = new ArrayList<Double>();

                // 遍历每个单词的词频计算器概率

                while (its.hasNext()) {

                    String[] temp1 = its.next().split("\t");

                    double p = (Integer.parseInt(temp1[1]) + 1) / (allWordsInClass + total);

                    String classAndWord = iterator.getKey() + "\t" + temp1[0];

                    className.set(classAndWord);

                    number.set(p);

                    LOG.info("------>p = " + p);

//                    context.write(className, number);

                    mos.write(iterator.getKey(), temp1[0], p);

                }

            }

        }