本文介绍了一种购物车系统的实现方案，包括用户登录、商品浏览、购物车管理等功能，并提供了两种不同的实现方法，一种侧重于购物流程，另一种增加了用户注册功能。
实现购物车
1. 商品信息－数量、单价、名称
2. 用户信息－账号、密码、余额
3. 用户可充值
4. 购物历史信息
5. 允许用户多次购买，每次可购买多件
6. 余额不足时进行提醒
实现方法1
备注：同级目录下需有 user_info.txt
1 #!/usr/local/env python 2 # coding:utf-8 3 import codecs, os, time 4 ISOTIMEFORMAT="%Y-%m-%d %X" 5 6 def user_login(): 7 global sUserName 8 global iMoney 9 count = 0 10 cart = [] 11 wel_msg = u"Welcome to Shopping Mall".center(50, "-") 12 cmd = input(''' 13 %s 14 1：登录系统 15 2：退出系统 16 请输入您的操作：''' % wel_msg) 17 18 if cmd.isdigit() and int(cmd) == 2: 19 exit() 20 21 elif cmd.isdigit() and int(cmd) == 1: 22 match = False 23 exist_user = False 24 lock = False 25 new_lines = [] 26 while count < 3: 27 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'user_info.txt'), 'r+', 'utf-8') 28 username = input('请输入用户名:') 29 lines = user_pass.readlines() 30 new_lines = [] 31 for j in range(len(lines)): 32 line = lines[j] 33 new_lines.append(line) 34 user_file, password_file, lock_file, money_file = line.strip('\n').split() 35 if username == user_file: 36 if int(lock_file) == 1: 37 print('用户被锁定') 38 lock = True 39 new_lines = lines 40 break 41 exist_user = True 42 password = input('请输入密码:') 43 if password == password_file: 44 print('用户名和密码正确') 45 match = True 46 new_lines = lines 47 sUserName = user_file 48 iMoney = int(money_file) 49 if os.path.exists(os.path.join(os.path.dirname(__file__), '%s cart.txt' % sUserName)): 50 cart_file = codecs.open(os.path.join(os.path.dirname(__file__), '%s cart.txt' % sUserName), 'r+', 'utf-8') 51 cart = cart_file.readlines() 52 break 53 else: 54 i = 0 55 for i in range(2): 56 password = input('密码错误，请重新输入密码:') 57 if password == password_file: 58 print('用户名和密码正确') 59 match = True 60 new_lines = lines 61 sUserName = user_file 62 iMoney = int(money_file) 63 if os.path.exists(os.path.join(os.path.dirname(__file__), '%s cart.txt' % sUserName)): 64 cart_file = codecs.open(os.path.join(os.path.dirname(__file__), '%s cart.txt' % sUserName), 'r+', 'utf-8') 65 cart = cart_file.readlines() 66 break 67 if i == 1: 68 print('密码输错3次，账户被锁定') 69 new_lines[j] = u"%s %s %d" % (user_file, password_file, 1) 70 71 count += 1 72 if lock: 73 user_pass.close() 74 if new_lines: 75 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'username_file.txt'), 'wb', 'utf-8') 76 user_pass.writelines(new_lines) 77 user_pass.close() 78 exit() 79 if not exist_user: 80 print('无效用户名') 81 continue 82 if not match: 83 print('密码和用户名不匹配') 84 user_pass.close() 85 if new_lines: 86 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'username_file.txt'), 'wb', 'utf-8') 87 user_pass.writelines(new_lines) 88 user_pass.close() 89 exit() 90 else: 91 print('登录成功') 92 user_pass.close() 93 if new_lines: 94 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'username_file.txt'), 'wb', 'utf-8') 95 user_pass.writelines(new_lines) 96 user_pass.close() 97 print('%s, 您的余额为: %d' % (sUserName, iMoney)) 98 return sUserName, iMoney, cart 99 print('重试超过3次，系统退出') 100 if new_lines: 101 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'username_file.txt'), 'wb', 'utf-8') 102 user_pass.writelines(new_lines) 103 user_pass.close() 104 105 else: 106 print('无效选项，程序已退出') 107 return 108 109 def print_cart(cart, money): 110 new_cart = [] 111 total_money = 0 112 for i in cart: 113 u_item, u_price, u_num, u_time = i.split("|") 114 flag = False 115 total_money += int(u_price) * int(u_num) 116 for j in range(len(new_cart)): 117 if new_cart[j].startswith(u_item): 118 flag = True 119 num = new_cart[j].split(",")[2] 120 new_cart[j] = "%s, %s, %d, %s" % (u_item, u_price, int(u_num)+int(num), u_time) 121 break 122 if not flag: 123 new_cart.append("%s, %s, %d, %s" % (u_item, u_price, int(u_num), u_time)) 124 print("%s %s %s %s" % ("商品", "单价", "数量", "加入购物车时间")) 125 j = 1 126 for i in new_cart: 127 print(("%d - %s") % (j, i)) 128 j += 1 129 130 cmd_input = input("请输入选项：1：充值，2：删除购物车条目，3：结账，4：返回商城") 131 if cmd_input.isdigit() and int(cmd_input) == 4: 132 return cart, money 133 134 elif cmd_input.isdigit() and int(cmd_input) == 1: 135 money_input = input("请输入充值金额") 136 money += int(money_input) 137 print("充值成功，余额为%d" % money) 138 return cart, money 139 140 elif cmd_input.isdigit() and int(cmd_input) == 2: 141 item_input = input("请输入要删除的条目编号") 142 if int(item_input) - 1 < len(cart): 143 del cart[int(item_input) - 1] 144 else: 145 print("输入错误") 146 return cart, money 147 148 elif cmd_input.isdigit() and int(cmd_input) == 3: 149 if total_money <= money: 150 print("购买成功") 151 money -= total_money 152 cart = [] 153 print("余额为 %d" % money) 154 else: 155 print("余额不足") 156 return cart, money 157 158 else: 159 print("请重新输入") 160 161 162 def display_list(username, money, cart): 163 category = {u"家电": {u"电视": ["45寸 2999", "55寸 3999", "60寸 4999"], u"空调": ["1匹 1999", "2匹 2999"]}, 164 u"服装": {u"上衣": ["短袖 299", "长袖 399"], u"裤子": ["短裤 299", "长裤 399"]}, 165 u"手机": {u"iPhone": ["16G 5288", "64G 6088"], u"小米": ["16G 999", "32G 1599"]}, 166 u"汽车": {u"BMW": ["320i 300000", "520i 400000"], u"BENZ": ["C200 300000", "E200, 400000"]}} 167 168 b_quit = False 169 counter = 0 170 while True: 171 for key in category: 172 print(key) 173 174 if counter > 2: 175 print("3次输入错误,程序退出") 176 break 177 178 cat_name = input("输入品类， c查看购物车， q退出， b返回上一级目录:") 179 if cat_name == "q": 180 b_quit = True 181 print("退出查询") 182 break 183 elif cat_name == "b": 184 print("已是一级目录,无法返回上一级") 185 continue 186 elif cat_name == "c": 187 cart, money = print_cart(cart, money) 188 continue 189 if cat_name in category: 190 item_name = category[cat_name] 191 b_quit = False 192 while True: 193 for key in item_name: 194 print(key) 195 item_input = input("输入物品名， c查看购物车， q退出， b返回上一级目录:") 196 if item_input == "q": 197 print("退出查询") 198 b_quit = True 199 break 200 if item_input == "b": 201 for key in category: 202 print(key) 203 break 204 if item_input == "c": 205 cart, money = print_cart(cart, money) 206 break 207 if item_input in item_name: 208 name = category[cat_name][item_input] 209 for i in name: 210 print(i) 211 else: 212 print("输入有误,请重新输入:") 213 continue 214 b_or_q = input("输入型号购买， c查看购物车， q退出， b返回上一级目录:") 215 if b_or_q == "b": 216 continue 217 elif b_or_q == "q": 218 print("退出查询") 219 b_quit = True 220 break 221 elif b_or_q == "c": 222 cart, money = print_cart(cart, money) 223 continue 224 else: 225 for i in category[cat_name][item_input]: 226 if b_or_q == i.split()[0]: 227 num_buy = input("请输入购买数量") 228 if num_buy.isdigit(): 229 print("已加入购物车") 230 cart.append("%s|%s|%s" % ("%s %s" % (item_input, i.replace(" ", "|")), num_buy, time.strftime(ISOTIMEFORMAT, time.localtime()))) 231 else: 232 print("输入有误，请重新输入") 233 break 234 if b_quit: 235 save_cart(username, cart, money) 236 print("系统退出") 237 exit() 238 else: 239 print("输入有误,请重新输入:") 240 counter += 1 241 continue 242 if b_quit: 243 save_cart(username, cart, money) 244 print("系统退出") 245 exit() 246 if b_quit: 247 save_cart(username, cart, money) 248 print("系统退出") 249 exit() 250 251 def save_cart(username, cart, money): 252 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'username_file.txt'), 'r+', 'utf-8') 253 lines = user_pass.readlines() 254 new_lines = [] 255 for j in range(len(lines)): 256 line = lines[j] 257 user_file, password_file, lock_file, money_file = line.strip('\n').split() 258 if username == user_file.strip(): 259 line = ("%s %s %s %s\r\n" % (user_file, password_file, lock_file, money)) 260 new_lines.append(line) 261 user_pass.close() 262 if new_lines: 263 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'username_file.txt'), 'w', 'utf-8') 264 user_pass.writelines(new_lines) 265 user_pass.close() 266 267 cart_file = codecs.open(os.path.join(os.path.dirname(__file__), '%s cart.txt' % username), 'w', 'utf-8') 268 sample_list = [line+'\r\n' for line in cart] 269 cart_file.writelines(sample_list) 270 cart_file.close() 271 272 username, money, cart = (user_login()) 273 display_list(username, money, cart)
实现方法2（新增注册功能）
备注： 同级目录下需有 user_info.txt,cart.txt
1 import os,codecs 2 import time 3 import string 4 ISOTIMEFORMAT="%Y-%m-%d %X" 5 6 def inputTypeCast(sValue): 7 if str.isdigit(sValue): 8 sValue = int(sValue) 9 return sValue 10 11 def signUp(): 12 try: 13 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'user_info.txt'), 'r+', 'utf-8') 14 lines = user_pass.readlines() 15 useNameList = [] 16 for j in range(len(lines)): 17 line = lines[j] 18 #print(line) 19 userName, passWord, lockFlag, accountBalance = line.strip('\n').split() 20 useNameList.append(userName) 21 22 signUpFlag = True 23 while signUpFlag: 24 sUserName = input("SingUp Here Buddy,Please Enter Your Name:") 25 if sUserName in useNameList: 26 print ('This name has been used,please enter a new one') 27 continue 28 elif sUserName == "q": 29 print('Thanks for your visiting') 30 exit() 31 user_pass.close() 32 33 else: 34 passwordFlag = True 35 while passwordFlag: 36 sPassword = input('PleaseEnter Your Password:') 37 if sPassword == 'q': 38 print('Thanks for your visiting, bye') 39 exit() 40 user_pass.close() 41 else: 42 sConfirmPassword = input('Please Confirm Your Password:') 43 if sConfirmPassword == 'q': 44 print('Thanks for your visiting, bye') 45 exit() 46 user_pass.close() 47 else: 48 if sConfirmPassword != sPassword: 49 print('Confirm password does not match,please re-enter your password') 50 continue 51 else: 52 bIncharge = input('Incharge Your Account Balance? (y/n) ') 53 if bIncharge == 'q': 54 lines = user_pass.writelines("\n%s %s %d %d" % (sUserName, sPassword, 0,0)) 55 print('Thanks for your registration, do not forget to incharge your account later.Re-login and happy shopping') 56 exit() 57 user_pass.close() 58 elif bIncharge == 'n': 59 lines = user_pass.writelines("\n%s %s %d %d" % (sUserName, sPassword, 0, 0)) 60 print('Thanks for your registration, do not forget to incharge your account later.Re-login and happy shopping') 61 user_pass.close() 62 signUpFlag = False 63 break 64 65 else: 66 while True: 67 dMoney = input('Please incharge your account with a numeber of..') 68 if dMoney == "q": 69 lines = user_pass.writelines("\n%s %s %d %d" % (sUserName, sPassword, 0,0)) 70 print('Thanks for your registration, do not forget to incharge your account later.Re-login and happy shopping') 71 user_pass.close() 72 exit() 73 if int(dMoney) < 0: 74 print('Negative number,please re-enter') 75 continue 76 else: 77 lines = user_pass.writelines("\n%s %s %d %d" % (sUserName, sPassword, 0,int(dMoney))) 78 print('Thanks for your registration,re-login and happy shopping!') 79 passwordFlag = False 80 signUpFlag = False 81 user_pass.close() 82 break 83 return sUserName,int(dMoney) 84 except EOFError as msg: 85 print (msg) 86 exit() 87 88 def userLogin(): 89 global sUserName 90 global iMoney 91 92 count = 0 93 match = False 94 exist_user = False 95 bLock = False 96 while count < 3: 97 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'user_info.txt'), 'r+', 'utf-8') 98 username = input('Please Enter Your Name:') 99 lines = user_pass.readlines() 100 new_lines = [] 101 for j in range(len(lines)): 102 line = lines[j] 103 new_lines.append(line) 104 #print(new_lines) 105 userName, passWord, lockFlag, accountBalance = line.strip('\n').split() 106 if username == userName: 107 if int(lockFlag) == 1: 108 bLock = True 109 print('Your Account Has Been Locked') 110 bLock = True 111 new_lines = lines 112 break 113 exist_user = True 114 password = input('Please Enter Your PassWord:') 115 if password == passWord: 116 str = 'Welcome %s!' % username 117 print(str.center(40, "-")) 118 match = True 119 new_lines = lines 120 sUserName = userName 121 iMoney = int(accountBalance) 122 break 123 else: 124 i = 0 125 for i in range(2): 126 password = input('Your PassWord is Incorrect,Please Re-Enter Your PassWord:') 127 if password == passWord: 128 print('UserName and PassWord Match!') 129 match = True 130 new_lines = lines 131 sUserName = userName 132 iMoney = int(accountBalance) 133 break 134 135 if i == 1: 136 print('Enter Incorrect PassWord for 3 Times.Your Account is Locked.Please Contact To The IST Help') 137 new_lines[j] = u"%s %s %d %d\ny" % (userName, passWord, 1, int(accountBalance)) 138 139 count += 1 140 if bLock: 141 user_pass.close() 142 if new_lines: 143 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'user_info.txt'), 'wb', 'utf-8') 144 user_pass.writelines(new_lines) 145 user_pass.close() 146 exit() 147 if not exist_user: 148 print('No Valid UserName') 149 continue 150 151 if not match: 152 print('UserName and PassWord Does Not Match') 153 user_pass.close() 154 if new_lines: 155 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'user_info.txt'), 'wb', 'utf-8') 156 user_pass.writelines(new_lines) 157 user_pass.close() 158 exit() 159 else: 160 print('Login Successfully') 161 user_pass.close() 162 if new_lines: 163 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'user_info.txt'), 'wb', 'utf-8') 164 user_pass.writelines(new_lines) 165 user_pass.close() 166 print('Dear %s, You Account Banlacne is: %d' % (sUserName, iMoney)) 167 return {'UserName':sUserName, 'AccountBalance':iMoney} 168 169 print('Repeat for 3 Times，System Quit!') 170 if new_lines: 171 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'user_info.txt'), 'wb', 'utf-8') 172 user_pass.writelines(new_lines) 173 user_pass.close() 174 else: 175 print('No Valid Choices,System Quit!') 176 return 177 # 178 def print_cart(): 179 # new_cart = [] 180 # for i in cart: 181 # u_item, u_price, u_num, u_time = i.split() 182 # flag = False 183 # for i in range(len(new_cart)): 184 # if new_cart[i].beginswith(u_item): 185 # flag = True 186 # num = new_cart[i].split()[2] 187 # new_cart[i] = "%s, %s, %d, %s" % (u_item, u_price, u_num+num, u_time) 188 # break 189 # if not flag: 190 # new_cart.append("%s, %s, %d, %s" % (u_item, u_price, u_num, u_time)) 191 # print("%s %s %s %s" % ("商品", "单价", "数量", "加入购物车时间")) 192 # for i in new_cart: 193 # print(i) 194 195 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'cart.txt'), 'r+', 'utf-8') 196 lines = user_pass.readlines() 197 if lines == []: 198 return False 199 else: 200 for j in range(len(lines)): 201 line = lines[j] 202 print(line) 203 204 205 if __name__ == '__main__': 206 207 category = {u"家电": {u"电视": ["45寸 2999", "55寸 3999", "60寸 4999"], u"空调": ["1匹 1999", "2匹 2999"]}, 208 u"服装": {u"上衣": ["短袖 299", "长袖 399"], u"裤子": ["短裤 299", "长裤 399"]}, 209 u"手机": {u"iPhone": ["16G 5288", "64G 6088"], u"小米": ["16G 999", "32G 1599"]}, 210 u"汽车": {u"BMW": ["320i 300000", "520i 400000"], u"BENZ": ["C200 300000", "E200, 400000"]}} 211 bLogin = False 212 str = " Welcome To My OnLine Mall " 213 print(str.center(40,"*")) 214 isLoginOrSignup = input("New to My Mall(y/n):") 215 if isLoginOrSignup =='y': 216 signUp() 217 elif isLoginOrSignup == 'n': 218 dict = userLogin() 219 userName = dict['UserName'] 220 money = dict['AccountBalance'] 221 bLogin = True 222 else: 223 print('No Valid Choice,System Quit!') 224 225 if bLogin: 226 cart = [] 227 for key in category: 228 print(key) 229 counter = 0 230 while True: 231 if counter > 2: 232 print('3次输入错误,程序退出!') 233 break 234 inputValue = input("输入品类， c查看购物车， q退出， b返回上一级目录:") 235 if inputValue == "q": 236 print('Quit') 237 break 238 elif inputValue == "b": 239 print('It`s already the first level menu!') 240 continue 241 242 elif inputValue == "c": 243 print_cart() 244 continue 245 246 if inputValue in category: 247 item_name = category[inputValue] 248 b_quit = False 249 while True: 250 for key in item_name: 251 print(key) 252 item_input = input("输入物品名， c查看购物车， q退出， b返回上一级目录:") 253 if item_input == "q": 254 print("欢迎下次再来") 255 b_quit = True 256 exit() 257 if item_input == "b": 258 for key in category: 259 print(key) 260 break 261 if item_input == "c": 262 print_cart() 263 break 264 if item_input in item_name: 265 name = category[inputValue][item_input] 266 for i in name: 267 print(i) 268 else: 269 print("输入有人误,请重新输入:") 270 continue 271 b_or_q = input("输入型号购买， c查看购物车， q退出， b返回上一级目录:") 272 if b_or_q == "b": 273 continue 274 elif b_or_q == "q": 275 b_quit = True 276 break 277 elif b_or_q == "c": 278 print_cart() 279 continue 280 281 else: 282 for i in category[inputValue][item_input]: 283 if b_or_q == i.split()[0]: 284 num_buy = input("请输入购买数量") 285 if num_buy.isdigit(): 286 print("已加入购物车") 287 cart.append("%s|%s|%s" % ("%s %s" % (item_input, i.replace(" ", "|")), num_buy,time.strftime(ISOTIMEFORMAT, time.localtime()))) 288 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'cart.txt'), 'r+','utf-8') 289 lines = user_pass.readlines() 290 if lines == []: 291 lines = user_pass.writelines("%s|%s|%s" % ("%s %s" % (item_input, i.replace(" ", "|")), num_buy,time.strftime(ISOTIMEFORMAT, time.localtime()))) 292 else: 293 lines = user_pass.writelines("\n%s|%s|%s" % ("%s %s" % (item_input, i.replace(" ", "|")), num_buy,time.strftime(ISOTIMEFORMAT, time.localtime()))) 294 295 b_or_q = input("a:继续购物 | b: 结账 | q: 退出") 296 if b_or_q == 'a': 297 break 298 elif b_or_q == 'q': 299 print('欢迎您下次再来') 300 exit() 301 elif b_or_q == 'b': 302 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'cart.txt'), 'r+','utf-8') 303 lines = user_pass.readlines() 304 lprice = [] 305 lQuanlity = [] 306 for j in range(len(lines)): 307 line = lines[j] 308 print(line) 309 productName, productPrice, produtQuanlity, produtInChartTime = line.strip('\n').split('|') 310 lprice.append(productPrice) 311 lQuanlity.append(produtQuanlity) 312 #print(lprice) 313 #print(lQuanlity) 314 lMoney = [] 315 for i in range(len(lprice)): 316 lMoney.append(int(lprice[i]) * int(lQuanlity[i])) 317 total_money = 0 318 for i in range(len(lMoney)): 319 total_money += lMoney[i] 320 #print(total_money) 321 # total_money = int(int(num_buy) * int(i.split()[1])) 322 323 324 if total_money <= money: 325 print("购买成功") 326 money -= total_money 327 #dictAccountInfo[userName] -= total_money 328 #money += int(moneyIncharge) 329 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'user_info.txt'), 'r+', 'utf-8') 330 lines = user_pass.readlines() 331 dictAccountInfo = {} 332 for j in range(len(lines)): 333 line = lines[j] 334 print(line) 335 userName, passWord, lockFlag, accountBalance = line.strip('\n').split() 336 print(userName, accountBalance) 337 dictAccountInfo.setdefault(userName, int(accountBalance)) 338 339 340 dictAccountInfo[userName] -= int(total_money) 341 user_pass = codecs.open( 342 os.path.join(os.path.dirname(__file__), 'user_info.txt'), 'r+', 'utf-8') 343 lines = user_pass.readlines() 344 new_lines = [] 345 for j in range(len(lines)): 346 line = lines[j] 347 new_lines.append(line) 348 print(new_lines) 349 username, passWord, lockFlag, accountBalance = line.strip('\n').split() 350 if username == userName: 351 new_lines[j] = u"%s %s %d %d\n" % (userName, passWord, int(lockFlag), int(dictAccountInfo[userName])) 352 user_pass = codecs.open( os.path.join(os.path.dirname(__file__), 'user_info.txt'), 'wb','utf-8') 353 user_pass.writelines(new_lines) 354 user_pass.close() 355 356 print('Dear %s, 您的余额为: %d' % (userName, money)) 357 358 b_or_q = input("a:继续购物 q: 退出") 359 if b_or_q == 'a': 360 break 361 elif b_or_q == 'q': 362 print('感谢您的光临,欢迎下次再来') 363 exit() 364 else: 365 inCharge = input("余额不足,是否充值(y/n)?") 366 if inCharge == 'y': 367 moneyIncharge = input("充入钱数: ") 368 if moneyIncharge == "q": 369 print('感谢您的光临,欢迎下次再来') 370 exit() 371 else: 372 print('充值中。。。。') 373 money += int(moneyIncharge) 374 user_pass = codecs.open(os.path.join(os.path.dirname(__file__), 'user_info.txt'), 'r+', 'utf-8') 375 lines = user_pass.readlines() 376 dictAccountInfo = {} 377 for j in range(len(lines)): 378 line = lines[j] 379 print(line) 380 userName, passWord, lockFlag, accountBalance = line.strip('\n').split() 381 print(userName, accountBalance) 382 dictAccountInfo.setdefault(userName, int(accountBalance)) 383 384 dictAccountInfo[userName] += int(moneyIncharge) 385 user_pass = codecs.open( os.path.join(os.path.dirname(__file__), 'user_info.txt'), 'r+','utf-8') 386 lines = user_pass.readlines() 387 new_lines = [] 388 for j in range(len(lines)): 389 line = lines[j] 390 new_lines.append(line) 391 print(new_lines) 392 username, passWord, lockFlag, accountBalance = line.strip('\n').split() 393 if username == userName: 394 new_lines[j] = u"%s %s %d %d\n" % (userName, passWord, int(lockFlag), int(dictAccountInfo[userName])) 395 user_pass = codecs.open(os.path.join(os.path.dirname(__file__),'user_info.txt'), 'wb', 'utf-8') 396 user_pass.writelines(new_lines) 397 user_pass.close() 398 399 import time 400 time.sleep(2) 401 inChargeDone = input('充值完毕-(b:继续看看 | q:退出 )') 402 if b_or_q == "b": 403 break 404 elif b_or_q == "q": 405 print("欢迎下次再来") 406 exit() 407 408 elif inCharge == 'n': 409 b_or_q = input('余额不足,无法购买-(b:继续看看 | q:退出)') 410 if b_or_q =="b": 411 break 412 else: 413 print("欢迎下次再来") 414 exit() 415 else: 416 print("输入有误，请重新输入") 417 break
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