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作业第二题 import re while True: loginname = input("输入用户名") if loginname[0]=="_"and(len(loginname)>3 and len(loginname)<30): print("用户名无误") elif not(len(loginname)>3 and len(loginname)<30): print("用户名长度在3-30之间") continue else: print("用户名开头使用_") continue loginpasswd=input("请输入密码") print(re.search(r'\W',loginpasswd)) if loginpasswd.isalnum()==False and (len(loginpasswd)>7 and len(loginpasswd)<17) and re.search(r'\W',loginpasswd)==None: print("密码无误注册成功") break elif not(len(loginpasswd)>8 and len(loginpasswd)<16): print("密码长度在8-16之间,且必须是由字母、数字、下划线，组成") elif loginpasswd.isalnum()==True : print("密码必须是由字母、数字、下划线，组成") print("没有下划线") else: print("密码有非法字符")
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寒假-QQ音乐案例 <html> <head> <meta charset="utf-8"> <title> QQ音乐 </title> <style> body{ background-image: url('img/背景.png'); background-size: cover; } ul{ list-style-type:none; margin:0; padding:0; display:inline; } li { display:inline; } #daohang{ background-image: url('img/导航栏.png'); width: 100%; height: 70px; } #yin{ text-align: center; margin-top: 80px; } .img{ width: 251px; height: 251px; margin-right: 5px; margin-bottom: 5px; } </style> </head> <body> <div id="daohang"> <ul> <li><a><img src="img/QQ音乐图标.png"></a></li> <li><a><img src="img/排行.png"></a></li> <li><a><img src="img/歌单.png"></a></li> <li><a><img src="img/电台.png"></a></li> <li><a><img src="img/MV.png"></a></li> </ul> </div> <div id="yin"> <div> <a href="MP4/1.mp4"> <img src="img/1.png" class="juzhong" class="img"> </a> <a href="MP4/2.mp4"> <img src="img/2.png" class="juzhong" class="img"> </a> <a href="MP4/3.mp4"> <img src="img/3.png" class="juzhong" class="img"> </a> <a href="MP4/4.mp4"> <img src="img/4.png" class="juzhong" class="img"> </a> </div> <div> <a href="MP4/5.mp4"> <img src="img/5.png" class="juzhong" class="img"> </a> <a href="MP4/6.mp4"> <img src="img/6.png" class="juzhong" class="img"> </a> <a href="MP4/7.mp4"> <img src="img/7.png" class="juzhong" class="img"> </a> <a href="MP4/8.mp4"> <img src="img/8.png" class="juzhong" class="img"> </a> </div> </body> </html>
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寒假-抖音案例 效果使用ie或火狐打开http://dy.cytao.top/<html> <head> <meta charset="utf-8"> <title>抖音记录美好生活</title> <style> body{ background-color: brown; color: white; margin: 0px; } #dou{ width: 100%; height: 200px; } #dou-1{ /* 当前div取消占一行的效果，允许占用多行 */ float: left; width: 100px; height: 100px; margin-left: 100px; margin-top: 50px; } #dou-2{ float: right; margin-top: 50px; margin-right: 200px; width: 300px; height: 100px; } #zj{ height: 500px; } #zj-1{ /* text-align: center; */ margin-top: 250px; margin-left: 700px; } #zj-2{ /* text-align: center; margin-top: 100px; */ width: 350px; height: 100px; margin-left: 800px; margin-top: 100px; } #db{ height: 100px; /* 文字对齐方式为居中 */ text-align: center; } video{ z-index: -99; position: absolute; } </style> </head> <body> <video src="img/douyin.mp4" controls="controls" autoplay="autoplay" loop="loop"> </video> <div id="dou"> <div id="dou-1"> <img src="img/logo.png"> </div> <div id="dou-2"> 抖音音乐人 机构认证 企业认证 <img src="img/yinliang.png"> </div> </div> <div id="zj"> <div id="zj-1"> <img src="img/wenben.png"> </div> <div id="zj-2"> <img src="img/appstore.png"> <img src="img/android.png"> <img src="img/erweima.png" width="50px" height="50px"> </div> </div> <div id="db"> <div></div> | 用户 | 用户协议 | 用户服务协议 | 隐私政策 | 账号找回 | 联系我们 <br/> 2022©抖音 </div> </body> </html>
