Python背包系统代码尚未完结，不断更新

大家好，我是尘风，本期给大家用Python实现背包系统。

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废话不多说，直接上代码。

代码部分

首先，先定义一个类，命名为bag_tools

1.  
   clsss bag_tools():
2.  
   pass

然后，构建初始化魔法函数__init__()初始化类变量

1.  
   class bag_tools():
2.  
   def __init__(self,tools_name,tools_nums):
3.  
   pass

我们目前初始化的变量有：

tools_name: 物品名称

tools_list: 物品列表

tools_nums: 物品数量

throw_things: 丢弃物品数量

del_things: 删除物品数量

self.exchange_person_name: 交换物品主人名字

self.choose_exchange_person_name: 交换物品主人是否同意

然后将其初始化

1.  
   class bag_tools():
2.  
   def __init__(self,tools_name,tools_nums):
3.  
   self.tools_name = tools_name
4.  
   self.tools_list = {}
5.  
   self.tools_nums = tools_nums
6.  
   self.throw_nums = 0
7.  
   self.del_nums = 0
8.  
   self.exchange_person_name = ''
9.  
   self.choose_exchange_person_name = None

 然后构建add_things方法

1.  
   def add_things(self):
2.  
   try:
3.  
   self.tools_list[self.tools_name] = int(self.tools_nums)
4.  
   except Exception as e:
5.  
   print("You input isn't a number")
6.  
   finally:
7.  
   return self.tools_list
8.  
   # 更改物品在列表中的数量，如果没有，则按数量添加此物品

使用try... except...的原因是防止出现Error

然后构建throw_things方法

1.  
   def throw_things(self):
2.  
   try:
3.  
   self.throw_nums = int(input())
4.  
   try:
5.  
   if self.throw_nums > self.tools_list[self.tools_name]:
6.  
   pass
7.  
   else:
8.  
   del self.tools_list[self.tools_name]
9.  
   except Exception as e:
10.  
    print("You input isn't a number")
11.  
    except Exception as e:
12.  
    pass

然后构建del_things方法

1.  
   def del_things(self):
2.  
   try:
3.  
   self.del_nums = int(input())
4.  
   try:
5.  
   if self.del_nums > self.tools_list[self.tools_name]:
6.  
   pass
7.  
   else:
8.  
   del self.tools_list[self.tools_name]
9.  
   except Exception as e:
10.  
    print("You input isn't a number")
11.  
    except Exception as e:
12.  
    pass

然后构建exchange_things方法

1.  
   def exchange_things(self,name,choose):
2.  
   self.exchange_person_name = name
3.  
   if isinstance(choose,bool):
4.  
   self.choose_exchange_person_name = choose
5.  
   else:
6.  
   print("Please choose again.")

完整代码

1.  
   class bag_tools():
2.  
   def __init__(self,tools_name,tools_nums):
3.  
   self.tools_name = tools_name
4.  
   self.tools_list = {}
5.  
   self.tools_nums = tools_nums
6.  
   self.throw_nums = 0
7.  
   self.del_nums = 0
8.  
   self.exchange_person_name = ''
9.  
   self.choose_exchange_person_name = None
10.  
    def add_things(self):
11.  
    try:
12.  
    self.tools_list[self.tools_name] = int(self.tools_nums)
13.  
    except Exception as e:
14.  
    print("You input isn't a number")
15.  
    finally:
16.  
    return self.tools_list
17.  
    def get_things(self):
18.  
    pass
19.  
    def exchange_things(self,name,choose):
20.  
    self.exchange_person_name = name
21.  
    if isinstance(choose,bool):
22.  
    self.choose_exchange_person_name = choose
23.  
    else:
24.  
    print("Please choose again.")
25.  
    def throw_things(self,nums):
26.  
    try:
27.  
    self.throw_nums = int(nums)
28.  
    try:
29.  
    if self.throw_nums > self.tools_list[self.tools_name]:
30.  
    pass
31.  
    else:
32.  
    del self.tools_list[self.tools_name]
33.  
    except Exception as e:
34.  
    print("You input isn't a number")
35.  
    except Exception as e:
36.  
    pass
37.  
    def del_things(self,nums):
38.  
    try:
39.  
    self.del_nums = int(nums)
40.  
    try:
41.  
    if self.del_nums > self.tools_list[self.tools_name]:
42.  
    pass
43.  
    else:
44.  
    del self.tools_list[self.tools_name]
45.  
    except Exception as e:
46.  
    print("You input isn't a number")
47.  
    except Exception as e:
48.  
    pass

本期博客就到此结束啦！

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