A10552-zhefeng-作业

homeworks/A10552/A10552-zhefeng-s2班级个人总结.md

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homeworks/A10552/homework1/Economics analyzer cwxz.py

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+# -*- coding: utf-8 -*-
+
+import codecs
+import os
+import random
+
+
+# 1. 读取文件
+# ['aa', 'aaa-bbb-sds'] => ['aa', 'aaa', 'bbb', 'sds']
+def word_split(words):
+	new_list = []
+	for word in words:
+		if '-' not in word:
+			new_list.append(word)
+		else:
+			lst = word.split('-')
+			new_list.extend(lst)
+	return new_list
+
+
+def read_file(file_path):
+	f = codecs.open(file_path, 'r', "utf-8")  # 打开文件
+	lines = f.readlines()
+	word_list = []
+	for line in lines:
+		line = line.strip()
+		words = line.split(" ")  # 用空格分割
+		words = word_split(words)  # 用-分割
+		word_list.extend(words)
+	return word_list
+
+
+def get_file_from_folder(folder_path):
+	file_paths = []
+	for root, dirs, files in os.walk(folder_path):
+		for file in files:
+			file_path = os.path.join(root, file)
+			file_paths.append(file_path)
+	return file_paths
+
+
+# 读取多文件里的单词
+def read_files(file_paths):
+	final_words = []
+	for path in file_paths:
+		final_words.extend(read_file(path))
+	return final_words
+
+
+# 2.获取格式化之后的单词
+def format_word(word):
+	fmt = 'abcdefghijklmnopqrstuvwxyz-'
+	for char in word:
+		if char not in fmt:
+			word = word.replace(char, '')
+	return word.lower()
+
+
+def format_words(words):
+	word_list = []
+	for word in words:
+		wd = format_word(word)
+		if wd:
+			word_list.append(wd)
+	return word_list
+
+
+# 3. 统计单词数目
+# 将元组的列表转换为列表的列表
+def tuple_to_list(t):
+	word_list = []
+	for item in t:
+		word_list.append(list(item))
+	return word_list
+
+
+# {'aa':4, 'bb':1}
+def statistics_words(words):
+	s_word_dict = {}
+	for word in words:
+		if s_word_dict.has_key(word):
+			s_word_dict[word] = s_word_dict[word] + 1
+		else:
+			s_word_dict[word] = 1
+	# 排序
+	sorted_word_tuples = sorted(s_word_dict.iteritems(), key=lambda d: d[1], reverse=True)
+	# 将排序后生成的元组的列表还原为列表的列表
+	word_list = tuple_to_list(sorted_word_tuples)
+	return word_list
+
+
+# 4.统计单词出现百分比
+def rate_words(vocabulary_list, total_count):
+	current_count = 0
+	for val in vocabulary_list:
+		num = val[1]
+		current_count = current_count + num
+		word_rate = (float(current_count) / total_count) * 100
+		val.append(word_rate)
+
+
+# 5.截取百分比区间单词
+def extract_rate_scale(word_list, scale):
+	scale_list = []
+	for item in word_list:
+		if item[2] >= scale[0]*100 and item[2] <= scale[1]*100:
+			scale_list.append(item)
+	return scale_list
+
+
+# 6.查找单词在词典中解释
+def read_dict(dict_file_path):
+	f = codecs.open(dict_file_path, 'r', "utf-8")  # 打开文件
+	lines = f.readlines()
+	word_dict = {}
+	for line in lines:
+		line = line.strip()
+		word, space, meaning = line.partition(' ')  # 以空格区分单词与释义
+		meaning = meaning.strip()
+		if word:
+			word_dict[word] = meaning
+	return word_dict
+
+
+def get_words_meaning(dict_file_path, word_list):
+	word_dict = read_dict(dict_file_path)
+	for item in word_list:
+		if word_dict.has_key(item[0]):
+			meaning = word_dict[item[0]]
+		else:
+			meaning = u'未找到释义'
+		item.append(meaning)
+
+
+# 7.生成每日单词表
+def generate_tasks(scale_list, num_of_words, choice_random):
+	if choice_random:
+		random.shuffle(scale_list)
+	else:
+		scale_list = sorted(scale_list, key=lambda d: d[0], reverse=False)
+	task_list = []
+	index = 0
+	while index < len(scale_list):
+		task_list.append(scale_list[index:index+num_of_words])
+		index = index + num_of_words
+	return task_list
+
+
+# 7.输出成csv
+def print_to_csv(vocabulary_list, to_file_path):
+	outfile = codecs.open(to_file_path, 'w+', "utf-8")
+	for val in vocabulary_list:
+		outfile.write("%s,%s,%0.2f,%s\n" % (val[0], str(val[1]), val[2], val[3]))
+	outfile.close()
+
+
+def print_tasks(task_list, to_file_path):
+	day = 1
+	for item in task_list:
+		print_to_csv(item, to_file_path+"day" + str(day) + '.csv')
+		day = day + 1
+
+
+def main():
+	# 1. 读取文本
+	words = read_files(get_file_from_folder('data1'))
+	print '获取了未格式化的单词 %d 个' % (len(words))
+
+	# 2. 清洗文本
+	f_words = format_words(words)
+	total_word_count = len(f_words)
+	print '获取了已经格式化的单词 %d 个' % (len(f_words))
+
+	# 3. 统计单词和排序
+	word_list = statistics_words(f_words)
+
+	# 4.统计单词出现百分比
+	rate_words(word_list, total_word_count)
+
+	# 5.为单词查找解释
+	get_words_meaning('8000-words.txt', word_list)
+
+	# 输出文件
+	if not os.path.exists("output"):
+		os.mkdir("output")
+	print_to_csv(word_list, 'output/words.csv')
+
+	# 6.询问是否要截取百分比区间的单词
+	extract = raw_input('是否要截取百分比区间(50%~70%)单词？ (Y/N) ')
+	if extract == 'Y' or extract == 'y':
+		start_and_end = [0.5, 0.7]  # 截取这一部分的单词
+		scale_list = extract_rate_scale(word_list, start_and_end)
+		print "截取了%d个单词" % (len(scale_list))
+		print_to_csv(scale_list, 'output/scale.csv')
+
+	# 7.生成背单词表
+	task_list = []
+	num_of_words = raw_input('将生成每日单词表。每天背几个单词？')
+	if num_of_words.isdigit():
+		if (type(eval(num_of_words)) == int) and (int(num_of_words) > 0):
+			choice_random = raw_input("是否随机生成单词表？(Y/N)")
+			if choice_random == 'Y' or choice_random == 'y':
+				task_list = generate_tasks(scale_list, int(num_of_words), True)
+			else:
+				task_list = generate_tasks(scale_list, int(num_of_words), False)
+		print_tasks(task_list, "output/")
+		print "生成了%d天的单词表" % len(task_list)
+
+
+if __name__ == "__main__":
+	main()

homeworks/A10552/homework2/pygame_ball.py

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+# -*- coding: utf-8 -*-
+import pygame
+
+MOU_CON = True
+WIDTH = 640
+HEIGHT = 480
+
+board = pygame.Rect(280, 400, 80, 5) #代表弹球板的方块
+circle = [100, 100] #球的圆心位置
+RADIUS = 10 #球半径
+SPEED = [1, -1] #球的速度
+
+
+def draw_surface(screen):
+    screen.fill([255, 255, 255])  # R G B white
+    pygame.draw.circle(screen, [255, 0, 0], circle, RADIUS)
+    pygame.draw.rect(screen, [0, 255, 255], board)
+    pygame.mouse.set_visible(False)
+    pygame.display.flip()
+
+def update_ball():
+    # 碰壁检测
+    if circle[1] - RADIUS == 0:
+        SPEED[1] *= -1
+    if circle[0] - RADIUS == 0 or circle[0] + RADIUS == WIDTH:
+        SPEED[0] *= -1
+    # 碰板子检测
+    if circle[0] >= board.left and circle[0] <= board.right and circle[1] + RADIUS == board.top:
+        SPEED[1] *= -1
+
+    circle[0] += SPEED[0]
+    circle[1] += SPEED[1]
+
+def update_board():
+    if MOU_CON:
+        (x, y) = pygame.mouse.get_pos() #获取鼠标的位置信息
+        board.centerx = x
+
+def w_down_cb():
+    if not MOU_CON:
+        board.centery -= 5
+
+def s_down_cb():
+    if not MOU_CON:
+        board.centery += 5
+
+def a_down_cb():
+    if not MOU_CON:
+        board.centerx -= 5
+
+def d_down_cb():
+    if not MOU_CON:
+        board.centerx += 5
+
+def correct_board_pos():
+    if board.left <= 0:
+        board.left = 0
+    if board.right >= WIDTH:
+        board.right = WIDTH
+
+def main():
+    pygame.init()
+    screen = pygame.display.set_mode([WIDTH, HEIGHT])
+    running  = True
+
+    while running:
+        pygame.time.delay(7)
+        update_board()  #根据鼠标输入更新弹球板的位置
+        update_ball()
+        for event in pygame.event.get():
+            if event.type == pygame.QUIT:
+                running = False
+            elif event.type == pygame.KEYDOWN:
+                if event.key == pygame.K_w:
+                    w_down_cb() # call_back 回调
+                elif event.key == pygame.K_s:
+                    s_down_cb()
+                elif event.key == pygame.K_a:
+                    a_down_cb()
+                elif event.key == pygame.K_d:
+                    d_down_cb()
+        correct_board_pos()
+        draw_surface(screen)  # 在画布上绘画
+    pygame.quit()
+
+if __name__ == '__main__':
+    main()