标签：bottom head 完成 用户 groov onclick 字母 hold center
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 href="../static/vv.css" rel="stylesheet" type="text/css"> <script src="../static/vv.js"></script> </head> <body bgcolor="#778899" class="div4"> <div class="div1"> <h2 class="title"> <div class="normal-title"> <a class="div2" href="vv.html">登录</a> <b>|</b> <a class="div2" href="vv1.html">注册</a> </div> </h2> <div class="div3"> 用户：<input id="username" type="text" placeholder="请输入昵称"> </div> <div class="div3"> 密码：<input id="userpass" type="text" placeholder="请输入密码"> </div> <div id="error_box"><br></div> <div class="div3"> <button onclick="myLogin()">Login</button> </div> <div class="div2">ByYin</div> </div> <br> </body> </html>
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>注册</title> <link href="../static/vv.css" rel="stylesheet" type="text/css"> <script src="../static/new.js"></script> </head> <body bgcolor="#778899" class="div4"> <div class="div1"> <h2 class="title"> <div class="normal-title"> <a class="div2" href="vv.html">登录</a> <b>|</b> <a class="div2" href="vv1.html">注册</a> </div> </h2> <div class="div3"> 用户：<input id="newname1" type="text" placeholder="请输入昵称"> </div> <div class="div3"> 密码：<input id="newpass1" type="text" placeholder="请输入密码"> </div> <div class="div3"> 密码：<input id="newpass2" type="text" placeholder="请再次输入密码"> </div> <div id="error_box"><br></div> <div class="div3"> <button onclick="myRegister()">Register</button> </div> <div class="div2">ByYin</div> </div> <br> </body> </html>
div{
margin: 0 auto;
text-align: center;
background-color: lightgray;
}
.div1{
width: 350px;
height: 250px;
border-color: lightgray;
border-style: groove;
border-width: 2px;
margin-top:100px ;
}
.div2{
font-family: 方正清刻本悦宋简体;
border-bottom-style: groove;
border-bottom-width: 2px;
line-height: 30px;
background-color: gainsboro;
}
.div3{
font-family: 幼圆;
width: 350px;
height: 50px;
font-size: 18px;
align:"center";
}
.div4{
background: url(http://p2.so.qhimgs1.com/bdr/_240_/t017dcea294f50fbf92.jpg);
}
function myLogin() { var uName = document.getElementById("username"); var uError = document.getElementById("error_box"); var uPass =document.getElementById("userpass"); uError.innerHTML="<br>" if (uName.value.length < 6||uName.value.length > 20) { uError.innerHTML = "用户名为6位到20位！" return; } else if ((uName.value.charCodeAt(0)) >= 48 && uName.value.charCodeAt(0) <= 57) { uError.innerHTML = "用户名首字母不能为数字" return; } else for(var i=0;i<uName.value.length;i++){ if((uName.value.charCodeAt(i)<48||uName.value.charCodeAt(i)>57)&&(uName.value.charCodeAt(i)<97||uName.value.charCodeAt(i)>122)){ uError.innerHTML="用户名只能为字母或数字" return; } } if (uPass.value.length<6||uPass.value.length>20){ uError.innerHTML="密码为6-20位！" return; } window.alert("您已登录成功！") }
function myRegister() {
var nName = document.getElementById("newname1");
var nError = document.getElementById("error_box");
var nPass =document.getElementById("newpass1");
var nPass1=document.getElementById("newpass2")
nError.innerHTML="<br>"
if (nName.value.length < 6||nName.value.length > 20) {
nError.innerHTML = "用户名为6位到20位！"
return;
}
else if ((nName.value.charCodeAt(0)) >= 48 && nName.value.charCodeAt(0) <= 57) {
nError.innerHTML = "用户名首字母不能为数字"
return;
}
else for(var i=0;i<nName.value.length;i++){
if((nName.value.charCodeAt(i)<48||nName.value.charCodeAt(i)>57)&&(nName.value.charCodeAt(i)<97||nName.value.charCodeAt(i)>122)){
nError.innerHTML="用户名只能为字母或数字！"
return;
}
}
if (nPass.value.length<6||nPass.value.length>20){
nError.innerHTML="密码为6-20位！"
return;
}
if(nPass.value!=nPass1.value){
nError.innerHTML="您输入的密码不一致！请重新输入！"
return;
}
window.alert("您已注册成功！")
}
标签：bottom head 完成 用户 groov onclick 字母 hold center
原文地址：http://www.cnblogs.com/yin-yeah/p/7760768.html
