import jieba
from wordcloud import WordCloud
import imageio
mask = imageio.imread('china.jpg')
# 读取小说
def plot_wc(text, name):
    wc = WordCloud(
        background_color='white',
        height=600,
        width=600,
        font_path='MSYH.TTC',
        mask=mask,
        # 解决两个重复关联词匹配
        collocations = False

    ).generate(text)
    # wc.to_file("%s.png"%(name))
    wc.to_file("{}.png".format(name))
def analysis():
    with open('./novel/threekingdom.txt', mode='r', encoding='utf-8') as f:
        data = f.read()
        print(len(data))
        word_list = jieba.lcut(data)
        new_word_list = []
        for word in word_list:
            if len(word)<=1:
                continue
            else:
                new_word_list.append(word)
        text = " ".join(new_word_list)
        plot_wc(text, "三国词云")
        # print(word_list)
        # 词频统计
        counts = {}
        for word in new_word_list:
            counts[word] = counts.get(word, 0) + 1
        # print(counts)

        stop_words = {"将军", "却说", "丞相", "二人", "不可", "荆州", "不能", "如此", "商议",
                     "如何", "主公", "军士", "军马", "左右", "次日", "引兵", "大喜", "天下",
                     "东吴", "于是", "今日", "不敢", "魏兵", "陛下", "都督", "人马", "不知",
                      "孔明曰","玄德曰","刘备","云长"}
        # 相同指代进行合并
        counts["孔明"] = counts["孔明"] + counts["孔明曰"]
        counts["玄德"] = counts["玄德"] + counts["玄德曰"] + counts["刘备"]
        counts["关公"] = counts["关公"] + counts["云长"]

        # 删除不是人名的
        for word in stop_words:
            del counts[word]
        # 转化成列表排序
        sort_list = list(counts.items())
        sort_list.sort(key=lambda item:item[1], reverse=True)
        top10_list = []
        for i in range(10):
            novel_name, f = sort_list[i]
            for j in range(f):
                top10_list.append(novel_name)
        #  列表变成字符串
        top10_text = " ".join(top10_list)
        plot_wc(top10_text, "TOP10")
analysis()

Python的面向对象

# class 类名:
#     pass
# this 代表当前类对象
class Student:
    #可以理解为构造方法
    def __init__(self, name, age):
        print("__init__被调用")
        # 属性
        # self 那个对象调用， self就是谁
        # python中封装是 变量前 _ __ 下划线
        # self._name = name
        self.name = name
        self.age = age
    def say_hello(self):
        print("hello")
    def show_id(self):
        print("id = ", id(self))
    def show(self, name, age):
        print(name, age)
    # print下会被优先调用
    def __str__(self):
        return "haha"

    # 交互式下会被优先调用
    def __repr__(self):
        return "hehe"

    # 方法
# 实例化类（类被new的过程）
student1 = Student("lisi", 18)
student2 = Student("王五", 18)
print(student1)
print(student1.name)
print(student1.age)
student1.say_hello()
# 查看对象在内存中的地址
print(id(student1))
student1.show_id()
print(id(student2))
student2.show_id()

Java 面向对象

package com.myc.day04;

import java.util.ArrayList;
import java.util.Scanner;
// Java Bean 规范类
// 属性建议封装成私有， 必须有空参构造， 建议全参构造
// 要提供公有的get、set方法
public class Student {
    private String name; //null
    private Integer age; // 0
    Student(){}
    Student(String name, Integer age){
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Integer getAge() {
        return age;
    }

    public void setAge(Integer age) {
        this.age = age;
    }
    // 重写 toString


    @Override
    public String toString() {
        return "Student{" +
                "name='" + name + '\'' +
                ", age=" + age +
                '}';
    }

    public static void main(String[] args) {
        Student student1 = new Student();
        Student student2 = new Student("zhansgan", 19);
        System.out.println(student1); // com.myc.day04.Student@1b6d3586
        System.out.println(student2); // com.myc.day04.Student@1b6d3586
//        int[] arr = new int[10];
//        System.out.println(arr);
        ArrayList<Integer> list = new ArrayList<>();
        list.add(10);
        list.add(20);
        System.out.println(list); // 重写 object toString()
     
    }
}

继承

class A():
    def __init__(self):
        self.weight = 100
        self.height = 200
class C():
    def __init__(self):
        self.weight = 200
        self.height = 200
# 继承
class B(C, A):
    pass
b = B()
print(b.weight)