第二周博客作业

本次作业要求参见： 20180918-1 词频统计 [https://edu.cnblogs.com/campus/nenu/2018fall/homework/2126] 

本次作业代码地址：https://coding.net/u/FanF/p/wf/git

1.控制台输入英文文本，读取文本内容。

String content = "";
String con = null;

while(content!=null){    
content = bufferedReader.readLine();    
if(content == null){        
            break;
            }
    if(content.equals("")){    
            continue;
        }
        count += getWord(content, map);    

        System.out.println("该篇文章总字数为："+count+"个");

  检测单词中是否包含特殊字符，若有，则用""空串替代。

public static String checkIsHaveSpecial(String word) {
        String[] special= {",","(",")","-","*",""","?",".","—","=","+","","!","/","1","2","3"
                ,"4","5","6","7","8","9","0",":","$","@"," ","（","）"};    //特殊字符集
        for(int i = 0;i<special.length;i++) {
            if(word.contains(special[i])) {
                word = word.replace(special[i],"");
            }
        }
        return word;

 public static void sortMap(Map<String, Integer> map) {
        List<Entry<String, Integer>> list = new ArrayList<Entry<String, Integer>>(map.entrySet());
        
        //按照自定义的比较器对list进行排序，这里是对value值进行降序排序
        Collections.sort(list,new Comparator<Map.Entry<String,Integer>>() {
            public int compare(Entry<String, Integer> o1, Entry<String, Integer> o2) {
                return o2.getValue().compareTo(o1.getValue());
            }
        });
        int i = 1;
        System.out.println("排名前十的单词分别为：");
        for (Entry<String, Integer> e: list) {
            if(i<=10) {
                System.out.println("第"+i+"名:"+e.getKey()+" 数量："+e.getValue());
                i++;
            }
            else
                break;
        }
    }

2.控制台输入英文文本，统计单词和出现次数。调用getWord方法获取字母并添加到map中，并返回每一行的单词数，并相加。

public static void main(String[] args) throws Exception {
        
        Scanner sc = new Scanner(System.in);

        String content = "";
        
        String con = null;
        con = sc.nextLine();
        Map map = new TreeMap<String,Integer>();
        int count = 0;    
        count = getWord(con, map);
        
        System.out.println("该篇文章总字数为："+count+"个");
        sortMap(map);
    }

3.选择文件，输入文件路径，读取文件。

    public static void main(String[] args) throws Exception {
    
      String f;
      System.out.println("请输入文件路径：");
      Scanner sc = new Scanner(System.in);
      f = sc.nextLine();
      File file = new File(f);

4.从控制台输入英文单篇作品。

    public static void main(String[] args) throws Exception {
        File file = new File("C:/book.txt");
        BufferedReader bufferedReader = new BufferedReader(new FileReader(file),1024*1024*1);
        
        String content = "";
        
        Map map = new TreeMap<String,Integer>();
        
        int count = 0;    
        
        while(content!=null){    
            content = bufferedReader.readLine();    
            if(content == null){    
                break;
            }
            if(content.equals("")){
                continue;
            }
            
            count += getWord(content, map);    
        }
        
        System.out.println("该篇文章总字数为："+count+"个");
        sortMap(map);
    }

程序做得少，框架来的很慢，在执行中有多次错误，很多小问题，花费了很多时间才修正，例如在里面查找文件夹目录里的小说时，没有注意txt的后缀问题，后来一点点排出才发现。

1.测试功能的实现

此项目PSP