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'''
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Description:
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问卷：json串，键值为 l1, ... , ln
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返回json串 {"flag": 1} 或 {"flag": 0, "errorList": ["xxxxxx", "xxxxxx"]}
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Author: Fishermanykx
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LastEditors: Fishermanykx
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LastEditTime: 2021-05-28 11:12:58
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'''
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import json
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import pymysql
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from pprint import pprint
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MYSQL_HOSTS = "127.0.0.1"
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MYSQL_USER = "root"
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MYSQL_PASSWORD = "08239015"
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MYSQL_PORT = 3306
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MYSQL_DB = "computer_accessories"
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class CompatibilityChecking:
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def __init__(self):
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# 是否成功
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self.flag = 1
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# 读入问卷
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with open("questionnaire.json", 'r', encoding='UTF-8') as f:
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data = json.load(f)
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self.questionnaire = data # 问卷dict
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# pprint(data['l1'])
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# 数据库指针
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self.db = pymysql.connect(
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host=MYSQL_HOSTS,
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port=MYSQL_PORT,
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user=MYSQL_USER,
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passwd=MYSQL_PASSWORD,
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db=MYSQL_DB,
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charset="utf8")
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self.cursor = self.db.cursor(cursor=pymysql.cursors.DictCursor)
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def parseQuestionnaire(self):
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"""解析问卷并读入相关配件的参数"""
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accessories = ['cpu', 'motherboard', 'graphics_card', 'memory',
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'ssd', 'hdd', 'cpu_radiator', 'power_supply', 'computer_case']
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accessories_data = []
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for i in range(len(accessories)):
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query = "select * from " + \
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accessories[i]+" where link = '" + \
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self.questionnaire['l'+str(i+1)] + "'"
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self.cursor.execute(query)
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tmp_data = self.cursor.fetchone()
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# 若不存在该商品，报错
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if not tmp_data:
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return [False, self.questionnaire['l'+str(i+1)]]
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accessories_data.append(tmp_data)
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self.cpu = accessories_data[0]
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self.motherboard = accessories_data[1]
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self.graphics_card = accessories_data[2]
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self.memory = accessories_data[3]
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self.ssd = accessories_data[4]
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self.hdd = accessories_data[5]
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self.cpu_radiator = accessories_data[6]
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self.power_supply = accessories_data[7]
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self.computer_case = accessories_data[8]
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# pprint(self.cpu)
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return [True]
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def check(self):
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"""检测兼容性，若成功，返回[True]；否则返回[False, errorList]"""
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errorList = []
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# 检测 CPU 和 主板 的接口是否一致
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cpu_socket = self.cpu['socket']
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MB_socket = self.motherboard['cpu_socket']
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if cpu_socket != MB_socket:
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error = "主板与CPU接口不匹配"
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errorList.append(error)
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# 检测散热器接口是否与CPU一致
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radiator_sockets = self.cpu_radiator['socket']
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if cpu_socket not in radiator_sockets:
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error = "散热器支持接口与CPU接口不匹配"
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errorList.append(error)
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# 检测内存代数与主板是否匹配
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MB_ddr_gen = self.motherboard['ddr_gen']
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memory_ddr_gen = self.memory['ddr_gen']
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if MB_ddr_gen != memory_ddr_gen:
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error = "主板支持内存的代数与所选内存不匹配"
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errorList.append(error)
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# 检测内存容量是否超过主板最大支持容量
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memory_capacity = self.memory['total_capacity']
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MB_max_mem = self.motherboard['max_memory']
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if memory_capacity > MB_max_mem:
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error = "所选内存容量大于主板支持的最大内存容量"
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errorList.append(error)
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# 检测内存数量是否超过主板插槽数
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mem_num = int(self.memory['memory_num'][0])
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MB_slot_num = self.motherboard['slot_num']
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if mem_num > MB_slot_num:
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error = "所选内存数量大于所选主板上的插槽数量"
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errorList.append(error)
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# 机箱相关
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# 显卡长度
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card_len = self.graphics_card['card_length']
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max_card_len = self.computer_case['max_card_len']
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if card_len > max_card_len:
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error = "所选显卡长度大于所选机箱允许的最大卡长"
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errorList.append(error)
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# 主板大小
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max_form_factor = self.computer_case['max_form_factor']
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form_factor = self.motherboard['form_factor']
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fit = 1
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if max_form_factor == "MINI-ITX":
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if form_factor != "MINI-ITX":
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fit = 0
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elif max_form_factor == "M-ATX":
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if (form_factor == "ATX") or (form_factor == "E-ATX"):
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fit = 0
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elif max_form_factor == "ATX":
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if form_factor == "E-ATX":
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fit = 0
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if not fit:
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error = "所选主板板型大于所选机箱能容纳的最大主板大小"
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errorList.append(error)
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# 散热器相关
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# 机箱支持相关参数
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max_radiator_height = self.computer_case['max_radiator_height']
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max_water_cooling = 0 # 水冷尺寸限制
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case_radiators = self.computer_case['supported_radiator']
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if case_radiators == '0':
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max_water_cooling = 0
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else:
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case_radiators = case_radiators.split('~')
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max_water_cooling = int(case_radiators[0])
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# 散热器相关参数
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radiator_size = self.cpu_radiator['radiator_size'] # 散热器尺寸(若为 0 则是风冷)
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height = self.cpu_radiator['height'] # 散热器高度
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if not height:
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error = "散热器参数不足，无法判断"
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errorList.append(error)
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else:
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if not radiator_size:
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# 若散热器是风冷，检查风冷高度
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if height > max_radiator_height:
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error = "所选风冷散热器高度大于所选机箱散热器限高"
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errorList.append(error)
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else:
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# 若散热器是水冷，检查水冷大小
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if radiator_size > max_water_cooling:
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error = "所选水冷尺寸大于所选机箱支持的最大尺寸"
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errorList.append(error)
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# SSD接口
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m2_num = self.motherboard['m2_num']
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ssd_interface = self.ssd['interface']
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if (not m2_num) and (ssd_interface == 'M.2'):
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error = "所选主板上没有M.2接口，故不支持M.2接口的固态硬盘"
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errorList.append(error)
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# 电源大小
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power_size = self.power_supply['size']
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if max_form_factor == "MINI-ITX" and (power_size == "ATX" or power_size == "服务器电源"):
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error = "所选机箱无法容纳所选电源"
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errorList.append(error)
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if len(errorList):
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return [False, errorList]
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else:
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return [True]
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def main(self):
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errorList = []
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parse_res = self.parseQuestionnaire()
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if parse_res[0]:
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check_res = self.check()
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if not check_res[0]:
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errorList = check_res[1]
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else:
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error = "数据库中不存在链接 " + parse_res[1] + " 指向的商品"
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errorList.append(error)
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if len(errorList):
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self.flag = 0
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res = {"flag": self.flag, "errorList": errorList}
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else:
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res = {"flag": self.flag}
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res_json = json.dumps(res)
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# 写入文件
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with open("result.json", 'w', encoding='utf-8') as f:
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f.write(res_json)
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# for debugging
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print(res)
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if __name__ == "__main__":
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check = CompatibilityChecking()
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check.main()
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fishermanykx
3 years ago