提交项目二Python版代码。

.gitignore

@@ -3,4 +3,5 @@ node_modules
 *.out
 *.pyc
 package-lock.json
-.vscode
+.vscode
+*.bin

02/backend/main_binary.py

@@ -0,0 +1,108 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+import pickle
+import os
+import sys
+import time
+from random import random
+
+save_path = 'data.bin'
+
+def set_name(data):
+    print('请输入你的名字：')
+    data['name'] = raw_input().decode(sys.stdin.encoding)
+    return save(data)
+
+def guess(data):
+    name = data['name']
+    rand_number = int(random() * 1000 + 1)
+    guess_number = 0
+    count = 0
+    start = int(time.time())
+
+    print('请输入1~1000的数字：')
+    while rand_number != guess_number:
+        guess_number = input()
+        if guess_number < rand_number:
+            print('小了')
+        elif guess_number > rand_number:
+            print('大了')
+        count += 1
+    cost = int(time.time() - start)
+    print('恭喜你！猜中了！你一共猜测了{}次'.format(count))
+
+
+    if not name:
+        print('这是你第一次玩猜数字。')
+        data = set_name(data)
+
+    data['records'].append({
+        'name': data['name'],
+        'number': rand_number,
+        'count': count,
+        'start': start,
+        'cost': cost
+    })
+    return data
+
+def load(path):
+    data = {
+        'name': '',
+        'records': []
+    }
+    if os.path.exists(path):
+        with open(path, 'r') as fp:
+            data = pickle.load(fp)
+    return data
+
+def save(data):
+    with open(save_path, 'w') as fp:
+        pickle.dump(data, fp)
+    return data
+
+def view(data):
+    if data['records']:
+        print('姓名\t所猜数字\t猜测次数\t花费秒数\t开始时间')
+        for record in data['records']:
+            print(u'{name}\t{number}\t\t{count}\t\t{cost}\t\t{start}'.format(
+                name = record['name'],
+                number = record['number'],
+                count = record['count'],
+                cost = record['cost'],
+                start=time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(record['start']))
+            ))
+    else:
+        print('你还没有玩过呢。')
+    print('')
+    return data
+
+def menu(name):
+    if name:
+		print(u'你好！{name}！'.format(name=name))
+    print('欢迎来玩『 猜数字 』!')
+    print('')
+    print('1. 开始游戏！')
+    print('2. 查看历史！')
+    print('3. 更改昵称!')
+    print('4. 退出游戏！')
+    print('')
+
+    return raw_input()
+
+
+def main():
+    data = load(save_path)
+    fun_dict = {
+        '1': lambda: save(guess(data)),
+        '2': lambda: view(data),
+        '3': lambda: set_name(data),
+        '4': exit
+    }
+    while True:
+        cmd = menu(data['name'])
+        fun = fun_dict.get(cmd, None)
+        if fun:
+            data = fun()
+
+if __name__ == '__main__':
+    main()

02/backend/main_json.py

@@ -0,0 +1,107 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+import json
+import os
+import sys
+import time
+from random import random
+
+save_path = 'data.json'
+
+def set_name(data):
+    print('请输入你的名字：')
+    data['name'] = raw_input().decode(sys.stdin.encoding)
+    return save(data)
+
+def guess(data):
+    name = data['name']
+    rand_number = int(random() * 1000 + 1)
+    guess_number = 0
+    count = 0
+    start = int(time.time())
+
+    print('请输入1~1000的数字：')
+    while rand_number != guess_number:
+        guess_number = input()
+        if guess_number < rand_number:
+            print('小了')
+        elif guess_number > rand_number:
+            print('大了')
+        count += 1
+    cost = int(time.time() - start)
+    print('恭喜你！猜中了！你一共猜测了{}次'.format(count))
+
+    if not name:
+        print('这是你第一次玩猜数字。')
+        data = set_name(data)
+
+    data['records'].append({
+        'name': data['name'],
+        'number': rand_number,
+        'count': count,
+        'start': start,
+        'cost': cost
+    })
+    return data
+
+def load(path):
+    data = {
+        'name': '',
+        'records': []
+    }
+    if os.path.exists(path):
+        with open(path, 'r') as fp:
+            data = json.load(fp)
+    return data
+
+def save(data):
+    with open(save_path, 'w') as fp:
+        json.dump(data, fp)
+    return data
+
+def view(data):
+    if data['records']:
+        print('姓名\t所猜数字\t猜测次数\t花费秒数\t开始时间')
+        for record in data['records']:
+            print(u'{name}\t{number}\t\t{count}\t\t{cost}\t\t{start}'.format(
+                name = record['name'],
+                number = record['number'],
+                count = record['count'],
+                cost = record['cost'],
+                start=time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(record['start']))
+            ))
+    else:
+        print('你还没有玩过呢。')
+    print('')
+    return data
+
+def menu(name):
+    if name:
+		print(u'你好！{name}！'.format(name=name))
+    print('欢迎来玩『 猜数字 』!')
+    print('')
+    print('1. 开始游戏！')
+    print('2. 查看历史！')
+    print('3. 更改昵称!')
+    print('4. 退出游戏！')
+    print('')
+
+    return raw_input()
+
+
+def main():
+    data = load(save_path)
+    fun_dict = {
+        '1': lambda: save(guess(data)),
+        '2': lambda: view(data),
+        '3': lambda: set_name(data),
+        '4': exit
+    }
+    while True:
+        cmd = menu(data['name'])
+        fun = fun_dict.get(cmd, None)
+        if fun:
+            data = fun()
+
+if __name__ == '__main__':
+    main()