save project

diy2.py

-username = "python"
-userpassword = "123456"
+import turtle
+import time
+pen=turtle.Pen()
+screen=turtle.Screen()
+screen.bgcolor("sky blue")
+pen.penup()
+pen.color("blue")
+username="2"
+userpassword="123"
+i=3
 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!")
-    print("用户名和密码错误!请重新输入")
-print("欢迎来到贝尔编程!")
\ No newline at end of file
+    if i>0:
+        i=i-1
+        name=screen.textinput("输入框","姓名")
+        
+        if  name!=username:
+            pen.goto(-30,-100)
+            pen.write("登录错误\n姓名错误",font=("Times",30,"normal"))
+            time.sleep(1)
+            pen.clear()
+            continue  
+        password=screen.textinput("输入框","请输入密码")
+        if  password!=userpassword:
+            pen.goto(-30,-100)
+            pen.write("登录错误\n密码错误",font=("Times",30,"normal"))
+            time.sleep(1)
+            pen.clear()
+            continue   
+        if  name==username and password==userpassword:
+            pen.goto(-30,-100)
+            pen.write("登录成功",font=("Times",50,"normal"))
+            time.sleep(1)
+            pen.clear()
+            break
+    else:
+        pen.write("你的账号已经被封锁，\n请明年在来m_m ",font=("Times",30,"normal"))    
+pen.goto(-100,-100)
+time.sleep(1)
+pen.clear()
+pen.write("欢迎登陆系统",font=("Times",50,"normal"))   
\ No newline at end of file