标签：rate 方便 动作 opera 抓取 port 用户 输出 log
import os file_name = ‘员工信息表‘ noun_list = [‘staff_id‘, ‘name‘, ‘age‘, ‘phone‘, ‘dept‘, ‘enroll_date‘] def file_operation(file): ‘‘‘ 先进行文件操作，把文件内容加载到内存，以方便调用的形式储存文件信息 :param file_name: :return: ‘‘‘ file_info = open(file, ‘r‘, encoding=‘utf-8‘) data_dic = {‘staff_id‘: [], ‘name‘: [], ‘age‘: [], ‘phone‘: [], ‘dept‘: [], ‘enroll_date‘: []} for line in file_info: info_id, info_name, info_age, info_tel, info_dept,info_time=line.split(‘,‘) # 按照上述的顺序依次把信息存入value的空列表中 data_dic[‘staff_id‘].append(info_id) data_dic[‘name‘].append(info_name) data_dic[‘age‘].append(info_age) data_dic[‘phone‘].append(info_tel) data_dic[‘dept‘].append(info_dept) data_dic[‘enroll_date‘].append(info_time) file_info.close() return data_dic def file_save(): f = open(‘临时存放‘,‘w‘,encoding=‘UTF-8‘) for id_index, id in enumerate(data[‘staff_id‘]): info_list = [] for noun in noun_list: info_list.append(data[noun][id_index]) f.write(‘,‘.join(info_list)) f.close() os.replace(‘临时存放‘,file_name) def catch_order(): #获取用户指令 # step:1 while True: user_order = input(‘请输入指令:\n--->\t‘).strip() # 交互第一步，让用户输入指令，首尾去空格 if not user_order: continue input_order(user_order) # 把用户指令传入（指令分析）的函数 # 2 def print_login(msg,login_type=‘info‘): if login_type == ‘info‘: print(‘\033[31;1m%s\033[0m‘ %msg) elif login_type == ‘error‘: print(‘\033[41;1m%s\033[0m‘ %msg) def input_order(order): # step:2 ‘‘‘ 获取并分析用户输入的指令 :return: ‘‘‘ judge = {‘find‘: find_info, ‘add‘: add_info, ‘del‘: del_info, ‘update‘: update_info} if order.split()[0] in (‘find‘, ‘add‘, ‘del‘, ‘update‘): # 查看指令的开头写的动作，是否在支持的范围内 if ‘where‘in order: left_order, right_order = order.split(‘where‘) # 以where为界，把信息分为两半，左半是动作，右半是条件 catch_info = judge_right(right_order) # 把右半边的筛选条件传入（判断where）的函数里面 # 3 -> 5 # 把抓取的信息和具体的操作指令传入操作函数中 info_action = order.split()[0] if info_action in judge: judge[info_action](catch_info, left_order) else: catch_info = [] for id_index, id in enumerate(data[‘staff_id‘]): info_list = [] for noun in noun_list: info_list.append(data[noun][id_index]) catch_info.append(info_list) info_action = order.split()[0] if info_action in judge: judge[info_action](catch_info, order) else: print_login(‘输入有误，无法获取具体指令！‘) def judge_greater(n, c): # 判断语句中有大于号的情况 # step:4 ‘‘‘ 判断大于的情况 :param n: 这是要筛选的对象名称（年龄，职位...） :param c: 这是要筛选的具体条件（IT，22, 2017...） :return: 把筛选出的内容 ‘‘‘ staff_info_1 = [] for index,condition in enumerate(data[n]): if float(condition) > float(c): # 如果原有信息大于传进来的具体条件 staff_info_2 = [] for noun in noun_list: staff_info_2.append(data[noun][index]) staff_info_1.append(staff_info_2) return staff_info_1 def judge_smaller(n, c): # 判断语句中有小于号的情况 # step:4 ‘‘‘ 判断小于的情况 :param n: 这是要筛选的对象名称（年龄，职位...） :param c: 这是要筛选的具体条件（IT，22, 2017...） :return: ‘‘‘ pass staff_info_1 = [] for index,condition in enumerate(data[n]): if float(condition) < float(c): staff_info_2 = [] for noun in noun_list: staff_info_2.append(data[noun][index]) staff_info_1.append(staff_info_2) return staff_info_1 def judge_equal(n, c): # 判断语句中有等于号的情况 # step:4 ‘‘‘ 判断等于的情况 :param n: 这是要筛选的对象名称（年龄，职位...） :param c: 这是要筛选的具体条件（IT，22, 2017...） :return: ‘‘‘ staff_info_1 = [] for index,condition in enumerate(data[n]): if condition == c: # 如果原有信息大于传进来的具体条件 staff_info_2 = [] for noun in noun_list: staff_info_2.append(data[noun][index]) staff_info_1.append(staff_info_2) return staff_info_1 def judge_like(n, c): # 判断语句中有like的情况 # step:4 ‘‘‘ 判断相似的情况 :param n: 这是要筛选的对象名称（年龄，职位...） :param c: 这是要筛选的具体条件（IT，22, 2017...） :return: ‘‘‘ staff_info_1 = [] for index, condition in enumerate(data[n]): if c in condition: # 如果原有信息大于传进来的具体条件 staff_info_2 = [] for noun in noun_list: staff_info_2.append(data[noun][index]) staff_info_1.append(staff_info_2) return staff_info_1 def judge_right(right_order): # step: 3 ‘‘‘ 分析右半边的筛选条件，并过滤数据输出符合条件的信息 :param right_order: :return: ‘‘‘ judge = {‘>‘: judge_greater, ‘<‘: judge_smaller, ‘=‘: judge_equal, ‘like‘: judge_like} # 把符号和对应的函数名存成字典，循环字典来判断语句中的筛选符号是什么 for judge_k,judge_func in judge.items(): if judge_k in right_order: noun, condition = (right_order.split(judge_k)) noun = str(noun).strip() condition = str(condition).strip() # 把名词，条件按照相应输入的判断符号来区分开 catch_info = judge_func(noun,condition) # 把获取来的名词和筛选条件传进匹配函数，来进行筛选 # 4 return catch_info else: print_login(‘输入有误，缺少明确的判断符号(>,<,=,like...)！‘) #走到这就说明指令里面没有明确的判断符，无法进行下一步判断 def find_info(catch_info, left_order): ‘‘‘ find name,age from staff_table where age > 22 find * from staff_table where dept = IT find * from staff_table where enroll_date like 2013 :param catch_info: :param left_order: :return: ‘‘‘ count = 0 if ‘*‘ not in left_order: noun_line = left_order.split(‘from‘)[0][4:].split(‘,‘) noun_point = [i.strip() for i in noun_line] for row_info in catch_info: for noun in noun_point: noun_index = noun_list.index(noun) print(noun, row_info[noun_index]) count += 1 else: print(catch_info) count = len(catch_info) print_login(‘本次共涉及%s条信息‘%(count), ‘info‘) def add_info(catch_info,left_order): ‘‘‘ add staff_table Alex Li,25,134435344,IT,2015‐10‐29 :param catch_info: [[‘1‘, ‘Alex Li‘, ‘22‘, ‘13651054608‘, ‘IT‘, ‘2013‐04‐01\n‘], [‘3‘, ‘Rain Wang‘, ‘21‘, ‘13451054608‘, ‘IT‘, ‘2017‐04‐01\n‘], [‘4‘, ‘Mack Qiao‘, ‘44‘, ‘15653354208‘, ‘Sales‘, ‘2016‐02‐01\n‘], [‘5‘, ‘Rachel Chen‘, ‘23‘, ‘13351024606‘, ‘IT‘, ‘2013‐03‐16\n‘], [‘6‘, ‘Eric Liu‘, ‘19‘, ‘18531054602‘, ‘Marketing‘, ‘2012‐12‐01\n‘], [‘7‘, ‘Chao Zhang‘, ‘21‘, ‘13235324334‘, ‘Administration‘, ‘2011‐08‐08\n‘], [‘8‘, ‘Kevin Chen‘, ‘22‘, ‘13151054603‘, ‘Sales‘, ‘2013‐04‐01\n‘], [‘9‘, ‘Shit Wen‘, ‘20‘, ‘13351024602‘, ‘IT‘, ‘2017‐07‐03\n‘], [‘10‘, ‘Shanshan Du‘, ‘26‘, ‘13698424612‘, ‘Operation‘, ‘2017‐07‐02‘]] :param left_order: add staff_table Alex Li,25,134435344,IT,2015‐10‐29 :return: ‘‘‘ info_list = [i.strip() for i in ‘‘.join([i.strip() for i in left_order.split(‘staff_table‘)[1:]]).split(‘,‘)] if info_list[2] not in data[‘phone‘]: data[‘staff_id‘].append(str(int(data[‘staff_id‘][-1]) + 1)) data[‘name‘].append(info_list[0]) data[‘age‘].append(info_list[1]) data[‘phone‘].append(info_list[2]) data[‘dept‘].append(info_list[3]) #info_list[4] = ‘%s\n‘%(info_list[4]) data[‘enroll_date‘].append(‘%s\n‘%(info_list[4])) file_save() else: print(‘电话号码有重复，不可注册！‘, ‘error‘) def del_info(catch_info,left_order): ‘‘‘ del from staff where staff_id=3 删除的语法要写staff_id,写id是找不到对应函数的 :param catch_info: :param left_order: del from staff where id=3 :return: ‘‘‘ count = 0 print(‘你将要删除:‘, catch_info) for info in catch_info: index = data[‘staff_id‘].index(info[0]) for noun in noun_list: del data[noun][index] count += 1 print_login(‘本次共涉及%s条信息‘%(count), ‘info‘) file_save() def update_info(catch_info,left_order): ‘‘‘ update staff_table set dept=Market where dept = IT update staff_table set age=25 where name = Alex Li :param catch_info: :param left_order: :return: ‘‘‘ count = 0 noun = [i.strip() for i in left_order.split(‘set‘)[1].strip().split(‘=‘)] print(‘你要修改 %s 为 %s‘%(noun[0], noun[1])) for info in catch_info: index_id = data[‘staff_id‘].index(info[0]) for n in noun_list: data[noun[0]][index_id] = noun[1] count += 1 print_login(‘本次共涉及%s条信息‘%(count), ‘info‘) file_save() data = file_operation(file_name) # 获得文件内容 catch_order() # 执行操作
标签：rate 方便 动作 opera 抓取 port 用户 输出 log
原文地址：https://www.cnblogs.com/quegai18/p/9395422.html
