save project

diy2.py

-username = "python"
-userpassword = "123456"
-while True:
-    name = input("请输入用户名:")
-    password = input("请输入密码:")
-    if name == username and password == userpassword:
-        print("登录成功!")
-        break
-    if name !=username:
-        print(("用户名无，请从新输入")) 
-    if password !=userpassword:       
-    print("用户名和密码错误!请重新输入")
-    exit()
-print("欢迎来到贝尔编程!")
+
+#注册时填写的账号密码，保存在服务器的数据库里面
+username="python"
+userPassword="123456"
+i=3
+#客端端要进行登录验证
+while True: 
+    if i>0:#如果输入次数大于0
+        i-=1
+        personName=input("请输入账号")
+        personPassword=input("请输入密码") 
+        if username==personName and userPassword==personPassword:
+            print("账号密码正确")
+            break
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+        if username !=personName:
+            print("账号不正确")
+            print("剩余次数"+str(i))
+            continue
+        if personPassword!=userPassword:
+            print("密码不正确")
+            print("剩余次数"+str(i))
+    else:
+        print("账户已被锁定，请带上二代身份证到我司解锁")
+        exit()#结束整个程序
+
+print("欢迎xxx用户登录成功")
+
+    
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