From 0e7f215a763c440aa72ec09d87f5f7c10d69d149 Mon Sep 17 00:00:00 2001 From: pbr4nzfkh <18879212807@163.com> Date: Mon, 11 Mar 2024 14:01:57 +0800 Subject: [PATCH 1/2] ADD file via upload --- 基本结构/051享元模式/tf-38.py | 52 +++++++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 基本结构/051享元模式/tf-38.py diff --git a/基本结构/051享元模式/tf-38.py b/基本结构/051享元模式/tf-38.py new file mode 100644 index 0000000..ff9c8b9 --- /dev/null +++ b/基本结构/051享元模式/tf-38.py @@ -0,0 +1,52 @@ +# -*- encoding:utf-8 -*- +from cppy.cp_util import * +'''享元模式 享元模式是一种结构型设计模式,在享元模式中,对象被设计为可共享的,可以被多个上下文使用,而不必在每个上下文中都创建新的对象。 +如果我们有大量不同的词频分析需求,有时需要词频前10的单词,有时需要词频前20的单词,有时还需要限定词汇的长度,那就需要创建多个词频统计器,每个词频统计器都独立创建并存储其内部状态, +那么系统的内存占用可能会很大,在这种情况下,享元模式共享相同类型的词频统计器对象,每种类型的词频统计器只需创建一个共享实例,然后通过设置不同的参数个性化 +每个对象,通过共享相同的内部状态,降低了对象的创建和内存占用成本。 +''' +#以需要的词频数量分类 +# class Type(number): +def get_number(): + number = int(input("请输入需要显示词频前几的单词")) + return number + +#定义享元接口 +class WordFrequencyController(): + def print_word_freqs(self,number): + pass + +#定义具体的享元类 +class ConcreteWordFrequencyController(WordFrequencyController): + def __init__(self, controllertype,filepath): + self.word_list = extract_words(filepath) + self.word_freq = get_frequencies(self.word_list) + self.word_freq = sort_dict(self.word_freq) + def print_word_freqs(self, number): + for (w, c) in self.word_freq[:number]: + print(w, '-', c) + +#定义享元工厂 +class WordFrequencyControllerFactory(): + def __init__(self): + self.types = {} + + def get_WordFrequencyController(self, controller_type,testfilepath): + if controller_type not in self.types: + self.types[controller_type] = ConcreteWordFrequencyController(controller_type,testfilepath) + #创建新的享元对象 + print(self.types)#显示已存在的享元对象 + return self.types[controller_type]#重复使用已存在的享元对象 + +def process_command(factory: WordFrequencyControllerFactory, number: str): + controller_type = number + WordFrequencyController = factory.get_WordFrequencyController(controller_type,testfilepath) + WordFrequencyController.print_word_freqs(int(number)) +if __name__ == "__main__": + factory = WordFrequencyControllerFactory() + while True: + try: + number = input("请输入需要显示词频前几的单词") + process_command(factory, number) + except EOFError: + break \ No newline at end of file -- 2.34.1 From d6893ebf7aab97db1231463cce9f4705bd0048c2 Mon Sep 17 00:00:00 2001 From: pbr4nzfkh <18879212807@163.com> Date: Mon, 11 Mar 2024 14:02:22 +0800 Subject: [PATCH 2/2] ADD file via upload --- 基本结构/051享元模式/readme071.txt | 8 ++++++++ 1 file changed, 8 insertions(+) create mode 100644 基本结构/051享元模式/readme071.txt diff --git a/基本结构/051享元模式/readme071.txt b/基本结构/051享元模式/readme071.txt new file mode 100644 index 0000000..96cb03e --- /dev/null +++ b/基本结构/051享元模式/readme071.txt @@ -0,0 +1,8 @@ +ԪģʽһֽṹģʽԪģʽУΪɹģԱʹãÿжµĶ + +дͬĴƵʱҪƵǰ10ĵʣʱҪƵǰ20ĵʣǾҪƵͳÿƵͳ洢ڲ״̬ +ôϵͳڴռÿܻܴ£Ԫģʽͬ͵ĴƵͳÿ͵ĴƵͳֻ贴һʵȻͨòͬIJԻ +ÿͨͬڲ״̬˶Ĵڴռóɱ + +磬Ҫ3ļȡƵǰʮĵʣ3ļȡƵǰʮĵʣôֻҪ2Ƶͳÿ󶼴洢ͬڲ״̬ȡĴ +һȡǰʮĵʣһȡǰʮĵʣô6 \ No newline at end of file -- 2.34.1