100 lines
3.4 KiB
Python
100 lines
3.4 KiB
Python
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from math import ceil
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def data_to_package(package_data):
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"""
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输入{"包裹1": {"宽": 20.0, "长": 200.0, "高": 20.0, "重量": 7500}, "包裹2": {"宽": 15.0, "长": 150.0, "高": 15.0, "重量": 5000}}
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返回一个packages对象
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"""
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packages = Package_group()
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for name, data in package_data.items():
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package = Package(name, data["长"],data["宽"], data["高"], data["重量"])
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packages.add_package(package)
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return packages
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class Package:
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def __init__(self,name, length, width, height, weight):
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self.length = length
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self.width = width
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self.height = height
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self.weight = weight
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self.name = name
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sizes = sorted([self.length, self.width, self.height])
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self.fst_size = sizes[2]
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self.sed_size = sizes[1]
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self.trd_size = sizes[0]
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self.girth = (self.sed_size + self.trd_size) * 2 + self.fst_size
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self.volume = self.length * self.width * self.height
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self.size_sum = self.fst_size + self.sed_size + self.trd_size # 三边和
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self.density = ceil(self.weight / self.volume * 1000)
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self.fst_inch = self.fst_size * 0.3937
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self.sed_inch = self.sed_size * 0.3937
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self.trd_inch = self.trd_size * 0.3937
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self.girth_inch = self.girth * 0.3937
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self.volume_inch = self.fst_inch *self.sed_inch*self.trd_inch
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self.lbs_weight = self.weight/1000 * 2.2046
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def get_volume_weight(self, volume_weight_ratio):
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volume_weight = (self.length * self.width * self.height) / volume_weight_ratio
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return volume_weight
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def __repr__(self):
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result = "{"
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result += f"\"长\":{self.length}, \"宽\"{self.width}, \"高\"{self.height}, \"重量\"{self.weight}"
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result +="}"
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return result
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class PackageLogistics(Package):
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def __init__(self, length, width, height, weight,convey,company):
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super().__init__(length,width,height,weight)
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self.company = company
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self.convey = convey
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class Package_group:
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def __init__(self, packages=None):
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self.packages = packages if packages else []
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self.volume_weight_key = None # 用于存储体积重系数的键
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self.density = self.density()
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def add_package(self, package):
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self.packages.append(package)
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# 设置体积重系数的键
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def set_volume_weight_key(self, key):
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self.volume_weight_key = key
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def total_volume_weight(self):
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total_volume_weight = 0
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for package in self.packages:
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if self.volume_weight_key: # 如果设置了体积重系数的键
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volume_weight = package[self.volume_weight_key]
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total_volume_weight += volume_weight
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return total_volume_weight
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def density(self):
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volume = 0
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weight = 0
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density = 0
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for package in self.packages:
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volume += package.length * package.width * package.height
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weight += package.weight
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density = ceil(weight / volume * 1000)
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return density
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def __iter__(self):
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return iter(self.packages)
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def __len__(self):
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return len(self.packages)
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def __repr__(self):
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result = "{"
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i=1
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for package in self.packages:
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result +=f"\"包裹{i}\": {package.__repr__()}"
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i+=1
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if i>len(self.packages):
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break
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result += ","
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result += "}"
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return result
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