Python第一天-----简单登录验证

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　　编写登录接口

要求：1、输入用户名密码

　　　2、认证成功后显示欢迎信息

　　　3、输错三次后锁定

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#coding=utf-8

__author__ = ‘wangwc‘

import sys,os

count = 0locked = 0mark_user = 0mark_passwd = 0#获取路径def cur_file_dir():    path = sys.path[0]    if os.path.isdir(path):        return path    elif os.path.isfile(path):        return os.path.dirname(path)#print (cur_file_dir())path = cur_file_dir()#print(path)path1 = path.replace("\\",‘/‘) + ‘/‘#print (path1)#path2 = path1 + ‘/‘

#循环输入while count < 3:    name = input("Username:").strip()    if len(name) == 0:        print ("Username can not be empty....")        continue    key = input("Password:").strip()    if len(key) == 0:        print("The password can not be empty!Try again...")        continue    f = open(path1 + "username.txt","r")    userlist = f.readlines()    for user in userlist:        if user.strip() == name:            mark_user = 1    f.close()

    if mark_user == 1:        f = open(path1 + "%s_lock.txt" %(name),"r")        locked = int(f.readline().strip())        f.close()    else:        print ("Username or Passsord wrong....")        break    if locked == 1:        print("Sorry, the username had been locked!!!Please call the system administrator...")    else:        f = open (path1 + "%s_passwd.txt" %(name),"r")        passwd = (f.readline().strip())        if passwd.strip() == key:            mark_passwd = 1        if mark_user == 1 and mark_passwd == 1:            f = open("%s_count.txt" %(name),"w")            f.write("0")            f.close()            print("%s,welcome BABY!" %(name) )            #input(‘Press Enter to exit‘)        else:            f = open("%s_count.txt" %(name),"r")            count = int((f.read().strip()))            f.close()            count +=1            f = open("%s_count.txt" %(name),"w")            f.write(str(count))            f.close()            print ("Username or password wrong!And the username ‘%s‘ has %d more chances to retry!" %(name,3 - count))            if(count == 3):                print ("‘%s‘ has been locked!!!" %(name))                if os.path.exists(path1 + "%s_lock.txt" %(name)):                    fobj = open(path1 + "%s_lock.txt" %(name),"w")                    fobj.writelines("1\n")                else:                    print ("Username or password wrong!")            continue