标签：mylog bottom script es2017 html else i++ href src
完成登录与注册页面的HTML+CSS+JS，其中的输入项检查包括：
用户名6-12位
首字母不能是数字
只能包含字母和数字
密码6-12位
注册页两次密码是否一致
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>登录</title> <link rel="stylesheet" type="text/css" href="../static/css/ww.css"> <script src="../static/js/ww.js"></script> </head> <body bgcolor="#a9a9a9"> <div class="box"> <h2>登录</h2> <div class="input_box" > <input id="uname" type="text" placeholder="请输入用户名"> </div> <div class="input_box"> <input id="upass" type="password" placeholder="请输入密码"> </div> <div id="error_box"><br></div> <div class="input_box"> <button onclick="myLogin()">登录</button> </div> </div> </div> </div> </body> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>注册</title> <link rel="stylesheet" type="text/css" href="../static/css/ww.css"> <script src="../static/js/ww.js"></script> </head> <body bgcolor="#a9a9a9"> <div class="box"> <h2>用户注册</h2> <div class="input_box" > <input id="uname" type="text" placeholder="请输入用户名"> </div> <div class="input_box"> <input id="upass" type="password" placeholder="请输入密码"> </div> <div class="input_box"> <input id="upass" type="password" placeholder="请再次确认密码"> </div> <div id="error_box"><br></div> <div class="input_box"> <button onclick="myLogin()">注册</button> </div> </div> </div> </div> </body> </html>
h2{
color:black;
text-align:center;
}
div{
margin: 0 auto;
text-align: center;
background-color:gold;
width: 300px;
}
.input_box{
width: 300px;
height: 30px;
border-bottom-width: 2px;
line-height: 30px;
font-weight: bold;
background-color:black;
}
.input_box{
font-size: 8px;
font-weight: bold;
border-color: blanchedalmond;
}
.error_box{
width: 80px;
height: 30px;
border-bottom-width: 2px;
line-height: 30px;
font-weight: bold;
background-color:darkorange;
}
function fnlogin() { var oUname = document.getElementById("uname"); var oUpass = document.getElementById("upass"); var oPas=document.getElementById("upas") var oError = document.getElementById("error_box"); oError.innerHTML = "<br>" if (oUname.value.length < 6 || oUname.value.length > 12) { oError.innerHTML = "name:6-20"; return; } else if(oUname.charCodeAt(0)>=48&&oUname.charCodeAt(0)<=57){ oError.innerHTML="first number."; return; }else for(var i=0;i<oUname.value.length;i++){ if((oUname.value.charCodeAt(i)<48||oUname.value.charCodeAt(i)>57)&&(oUname.value.charCodeAt(i)<97||oUname.value.charCodeAt(i)>122)){ oError.innerHTML="only letter or number." } } if(oPas.value!=oPass.value){ oError.innerHTML=‘密码输入不正确‘ } if (oUpass.value.length < 6 || oUpass.value.length >20) { oError.innerHTML = "password:6-20"; return; } window.alert("登录成功！") }
标签：mylog bottom script es2017 html else i++ href src
原文地址：http://www.cnblogs.com/renninwang/p/7768382.html
