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JavaWeb开发之模仿知乎首页完整代码

转载 作者：qq735679552 更新时间：2022-09-29 22:32:09 29 4
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这篇CFSDN的博客文章JavaWeb开发之模仿知乎首页完整代码由作者收集整理，如果你对这篇文章有兴趣，记得点赞哟.

闲来无事，就根据知乎的首页，参考了一些资料模拟写了下，包含了动态的背景，以及登录和注册功能 。

登录这里使用的是spring security 。

注册是ajax发送的 。

具体代码很简单，一看就知道，包含了数据的检查等 。

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<%@ page language= "java" import = "java.util.*" pageEncoding= "utf-8" %>
<%@ taglib uri= "http://java.sun.com/jsp/jstl/core" prefix= "c" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+ "://" +request.getServerName()+ ":" +request.getServerPort()+path+ "/" ;
%>
<!DOCTYPE html>
<html>
<head>
<meta charset= "UTF-8" >
<title></title>
<script src= "jquery/jquery.js" ></script>
<style>
body{padding: 0 ;margin: 0 ;background: #F7FAFC;}
a{text-decoration: none;}
.index-box{width:300px;height: auto;margin: 0 auto;margin-top: 40px;}
.logo{background:url(images/header/headerNew4.png) no-repeat;;width: 350px;height: 100px;margin: 0 auto}
.title{font-size: 18px;text-align: center;color: # 707171 ;font-weight: bold;margin: 30px auto;}
.index-body{text-align: center;}
.nav-sliders{position: relative;display: inline-block;margin-bottom: 20px;}
.nav-sliders>a{font-size: 20px;display: inline-block;width:60px ;font-family: "微软雅黑" ;color: # 999 ;cursor: pointer; float : left;$width}
.nav-sliders>a.active{color: #0f88eb;}
.nav-sliders>span{position: absolute;height: 2px;background:#0f88eb;display:block;left: 5px;width: 50px;bottom:-8px;}
.stage{position:absolute;left: 0 ;top: 0 ;width: 100 %;height: 100 %;background:#F7FAFC;}
.login-box{width: 300px;}
.wrap{border:1px solid #d5d5d5;border-radius: 5px;background: #fff;}
.wrap>div{position: relative;overflow: hidden;}
.wrap>div>input{width: 95 %;border:none;padding:17px 2.5 %;border-radius: 5px;}
.wrap>div>label.error{position: absolute;color: #c33;top: 0 ;line-height: 50px;transform: translate(25px, 0 );transition: all 0 .5s ease-out;-webkit-transform: translate(25px, 0 );-moz-transform: translate(25px, 0 );opacity: 0 ;visibility:hidden;cursor: text;}
.wrap>div>label.move{transform: translate( 0 , 0 );transition: all 0 .5s ease-out;-webkit-transform: translate( 0 , 0 );-moz-transform: translate( 0 , 0 );opacity: 1 ;visibility: visible;}
.password{border-top: solid 1px #d5d5d5 ;}
.code{right:115px ;}
.name{right:5px ;}
.loginName{right:5px ;}
.loginPass{right:5px ;}
.pass{right:5px ;}
.passagain{right:5px ;}
.button{height: 40px;background:#0f88eb;text-align: center;line-height: 40px;border-radius: 5px;margin-top: 25px;color: #fff;font-family: "微软雅黑" ;cursor: pointer;}
.remember{text-align: left;margin-top: 20px;font-family: "微软雅黑" ;color: # 666666 ;}
.remember>a{ float :right;cursor: pointer;color: # 666666 ;}
.other{text-align: left;margin-top: 20px;font-family: "微软雅黑" ;color: # 666666 ;overflow: hidden;}
.other>span{font-size: 14px; float : left;margin-top: 2px;cursor: pointer;}
.other>div{ float : left; transition: all 1s ease-in;-webkit-transition: all 0 .3s ease-in;opacity: 0 ;transform: translateX(-20px);-webkit-transform: translateX(-18px);-moz-transform: translateX(-18px);visibility: hidden;}
.other>div>a{margin-left: 20px;color: # 666666 ;font-size: 15px;}
.other>.hidden{ transition: all 1s ease-in;display: block;-webkit-transition: all 0 .3s ease-in;opacity: 1 ;transform: translateX( 0 );-webkit-transform: translateX( 0 );-moz-transform: translateX( 0 );visibility: visible;}
.download{border:solid 1px #0f88eb;height: 40px;line-height: 40px;border-radius: 5px;color:#0f88eb ;font-family: "微软雅黑" ;margin-top: 50px;cursor: pointer;position: relative;}
.download>.close{display: none;}
.download .pic{display:none;position: absolute;background: #fff;bottom: 78px;width: 310px;left: -10px;z-index: 5 ;padding: 40px 0 ;border-radius: 8px;box-shadow: 0 0 8px 0 rgba( 0 , 0 , 0 ,. 15 );}
.registered-box{width: 300px; display: none;}
.text{font-size: 14px;margin-top: 20px;font-family: "微软雅黑" ;color: # 666666 ;}
.text>a{color: #0f88eb;}
.verification-code{position: absolute;right:22px;top: 14px;font-family: "微软雅黑" ;font-size: 18px;cursor: pointer;}
#register:hover{opacity: 0.7 ;}
#login:hover{opacity: 0.7 ;}
</style>
</head>
<body>
<div class = "index-box" style= "z-index:9999;position:relative" >
<div class = "index-header" >
<h1 class = "logo" ></h1>
<h2 class = "title" >Speed4C开发平台</h2>
</div>
<div class = "index-body" >
<div class = "nav-sliders" >
<a id= "loginButton" class = "login active" >登录</a>
<a class = "registered" >注册</a>
<span class = "on" ></span>
</div>
<div class = "change" >
<!--登录开始-->
<div class = "login-box" >
<form id= "loginForm" action= "${pageContext.request.contextPath}/j_spring_security_check" method= "post" >
<div class = "wrap" >
<div class = "phone" >
<input type= "email" id= "username" name= 'j_username' value= "" placeholder= "用户名" >
<label class = "error loginName" >请输入登录名（email地址）</label>
</div>
<div class = "password" >
<input type= "password" id= "password" name= 'j_password' placeholder= "密码" >
<label class = "error loginPass" >密码</label>
</div>
</div>
<div class = "button" id= "login" >登录</div>
<div class = "remember" >
<label><input id= "rememberMe" name= "_spring_security_remember_me" type= "checkbox" >记住我:</label>
<a>无法登陆?</a>
</div>
</form>
<div class = "other" >
<span>社交账号登录</span>
<div class = "other-login" >
<a href = "javascript:volid(0);" >扣扣</a>
<a href = "javascript:volid(0);" >微信</a>
<a href = "javascript:volid(0);" >微博</a>
</div>
</div>
<div class = "other" >
<span style= "color:red" >${sessionScope.SPRING_SECURITY_LAST_EXCEPTION.message}</span>
</div>
</div>
<!--登录结束-->
<!--注册开始-->
<div class = "registered-box" >
<form id= "registerForm" method= "post" action= "registerUser.do" >
<div class = "wrap" >
<div class = "phone" >
<input type= "email" name= "name" value= "" id= "name" placeholder= "用户名（邮箱）" >
<label class = "error name" >请输入用户名</label>
</div>
<!-- <div class = "password" >
<input type= "text" id= "phone" value= "" placeholder= "手机号" >
<label class = "error phone restet" >请输入手机号</label>
</div> -->
<div class = "password" >
<input type= "password" id= "passwor" name= "passwor" value= "" placeholder= "密码" >
<label class = "error pass" >请输入密码</label>
</div>
<div class = "password" >
<input type= "password" id= "pssworAgain" name= "" value= "" placeholder= "再次输入密码" >
<label class = "error passagain" >请再次输入密码</label>
</div>
<div class = "password" >
<input type= "text" id= "code" name= "" maxlength= "6" value= "" placeholder= "验证码" >
<label class = "error passwor code" >请输入验证码</label>
<div class = "verification-code" id= "createCade" ></div>
</div>
</div>
<div class = "button" id= "register" >注册</div>
</form>
</div>
<!--注册结束-->
</div>
</div>
</div>
<canvas id= "canvas" class = "stage" style= "z-index:1000" ></canvas>
<script>
"use strict" ;(function(h,d){var g=typeof d=== "string" ?document.querySelector(d):d,f=g.getBoundingClientRect(),c=f.width,l=f.height,n=g.getContext( "2d" ),j={x:c/ 2 ,y:l/ 2 ,radius: 180 },k= 40 ,e= 60 ,a=[],b;g.width=c;g.height=l;h.raf=h.requestAnimationFrame||webkitRequestAnimationFrame||function(p){ return setTimeout(p, 1000 / 60 );};h.caf=h.cancelAnimationFrame||webkitCancelAnimationFrame||function(p){clearTimeout(p);};Function.prototype.method=function(q,p){ return this .prototype[q]=p, this ;};function i(p,r,q){ this .x= this .ox=p; this .y= this .oy=r; this .radius=Math.random()* 1 + 2 ; this .timer=q| 0 ;}i.method( "draw" ,function(p,v,r){var s= this .closest,q,u,t= this .getAlpha(r); if (t> 0 ){p.fillStyle=p.strokeStyle= "rgba(156,217,249," +t+ ")" ;p.beginPath();p.arc( this .x, this .y, this .radius, 0 ,Math.PI* 2 , true );p.closePath();p.fill(); if (s){q=s.length; while (q--){u=v[s[q]];p.beginPath();p.moveTo( this .x, this .y);p.lineTo(u.x,u.y);p.stroke();}}} if ( this ._isMove){ this .move(); return ;} if ( this .timer++=== this ._moveFrames){ this .setMove();}}).method( "setMove" ,function(){ this ._isMove= true ; this ._frames=Math.random()* 100 + 120 ; this ._frame= 0 ; this ._tx= this .ox+Math.random()* 100 - 50 ; this ._ty= this .oy+Math.random()* 100 - 50 ;}).method( "move" ,function(){ this .x= this .ease( this ._frame++, this .x, this ._tx- this .x, this ._frames); this .y= this .ease( this ._frame, this .y, this ._ty- this .y, this ._frames); if (Math.abs( this .x- this ._tx)< 0.5 &&Math.abs( this .y- this ._ty)< 0.5 ){ this ._isMove= false ; this .timer= 0 ;}}).method( "getAlpha" ,function(s){var q= this .x-s.x,p= this .y-s.y,u=Math.sqrt(q*q+p*p),t=s.radius; return u>t? 0 :( 1 -u/t)* 0.6 ;}).method( "ease" ,function(q,p,s,r){ if ((q/=r/ 2 )< 1 ){ return s/ 2 *q*q+p;} return -s/ 2 *((--q)*(q- 2 )- 1 )+p;}).method( "_moveFrames" ,e);function m(){var q=Math.max( 60 ,c* 1.5 /k),t=l* 1.5 /q+ 0.5 | 0 ,v,r= 0 ,s,u,p;v=c/q+ 0.5 | 0 ; for (;r<t;r++){ for (s= 0 ;s<v;s++){u= new i(s*q+(Math.random()*q* 2 -q),r*q+(Math.random()*q* 2 -q),Math.random()*e);p=r*v+s;a[p]=u; if (r& 1 &&s&& 1 ){u.closest=[p- 1 ,p-v,p-v- 1 ];s<v- 1 &&u.closest.push(p+ 1 );r<t- 1 &&u.closest.push(p+v);}}}o();}function o(){n.clearRect( 0 , 0 ,c,l);a.forEach(function(r,q,p){r.draw(n,p,j);});b=raf(o);}g.addEventListener( "mousemove" ,function(p){j.x=p.clientX-f.left;j.y=p.clientY-f.top;}, false );h.addEventListener( "resize" ,function(){caf(b);a=[];f=g.getBoundingClientRect();g.width=c=f.width;g.height=l=f.height;m();}, false );m();})( this ,document.querySelector( ".stage" ));
</script>
<script>
var code; //定义一个全局验证码
$(function(){
jcPublic.register();
jcPublic.Tab();
jcPublic.login();
/* jcPublic.downLoad(); */
jcPublic.createCode();
jcPublic.clickCode();
$(".wrap>div>input").focus(function(){
$(this).css({"outline": "none" });
var $this = $(this);
$this.next("label").removeClass("move");//隐藏提示信息
});
$(".other>span").on("click",function(){
$(this).parent().children("div").toggleClass("hidden");
});
});
var jcPublic = {
register:function(){//注册
var currentThis = this;//当前对象
$("#register").on("click",function(){
var $this = $(this);
var name = $("#name").val();//姓名
var registerName = document.getElementById("name");
var passwor = $("#passwor").val();
var passworAgain = $("#pssworAgain").val();
var Code = $("#code").val();//验证码
if(name.length==0 && passwor.length==0){//同时为空
$this.prev(".wrap").find("label").addClass("move");
return false;
}else if(name == "" || name == "undefined" || name == "null"){
$this.prev(".wrap").find(".name").html("请输入用户名").addClass("move");
return false;
}else if(!registerName.checkValidity()){
$this.prev(".wrap").find(".name").html("请输入有效的email地址").addClass("move");
return false;
}else if(passwor == "" || passwor == "undefined" || passwor == null ){
$this.prev(".wrap").find(".pass").addClass("move");
return false;
}else if(passworAgain == "" || passworAgain == "undefined" || passworAgain == null ){
$this.prev(".wrap").find(".passagain").addClass("move");
return false;
}else if(passworAgain == "" || passworAgain == "undefined" || passworAgain == null ){
$this.prev(".wrap").find(".passagain").addClass("move");
return false;
}else if(passworAgain != passwor){
$this.prev(".wrap").find(".passagain").html("请确保输入的密码一致").addClass("move");
return false;
}else if(code !== Code ){
$this.prev(".wrap").find(".code").html("验证码有误").addClass("move");
return currentThis.createCode();//验证码输入有误就刷新验证码重新输入
}else{
//发送添加用户申请
$.ajax({
type : "POST",
url : "registerUser.do",
data : {"name":name,"password":passwor},
dataType: "json",
error: function(XMLHttpRequest, textStatus, errorThrown){
alert("Error:"+XMLHttpRequest.status+",,,"+textStatus);
},
success : function(msg) {
alert(msg.messageString);
if(msg.messageString == "注册成功"){
$("#loginButton").click();
$("#registerForm")[0].reset();
}
}
});
/* $("#registerForm").ajaxSubmit(function(message){
alert(message.messageString);
}); */
}
});
},
Tab:function(){ //切换注册和登录
$( ".nav-sliders>a" ).on( "click" ,function(){
$( this ).addClass( "active" ).siblings().removeClass( "active" );
var $width = $( this ).width(); //当前a的宽度
var $index = $( this ).index(); //索引
$( ".on" ).stop( true , true ).animate({ "left" :$width*$index+ 5 + "px" }, 300 );
$( this ).parents( ".index-body" ).children( ".change" ).children().eq($index).stop( true , false ).show().siblings().hide();
});
},
login:function(){
$( "#login" ).on( "click" ,function(){
var $ this = $( this );
var username = $( "#username" ).val();
var password = $( "#password" ).val();
var checkloginName = document.getElementById( "username" );
if ((password.length== 0 ) && (username.length== 0 )){ //同时为空
$ this .prev( ".wrap" ).find( "label" ).addClass( "move" );
return false ;
} else if (username == "" || username == "undefined" || username == null ){
$ this .prev( ".wrap" ).find( ".loginName" ).addClass( "move" );
return false ;
} else if (!checkloginName.checkValidity()){
$ this .prev( ".wrap" ).find( ".loginName" ).html( "请输入有效的email地址" ).addClass( "move" );
return false ;
} else if (password == "" || password == "undefined" || password == null ){
$ this .prev( ".wrap" ).find( ".loginPass" ).addClass( "move" );
return false ;
} else {
//全部通过再提交
$( "#loginForm" ).submit();
}
});
},
downLoad:function(){
$( ".download" ).on( "click" ,function(){
$( this ).children( ".pic" ).toggle( 300 );
});
},
createCode:function(){ //验证码
var selectChar = new Array( 0 , 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 , 9 , 'A' , 'B' , 'C' , 'D' , 'E' , 'F' , 'G' , 'H' , 'I' , 'J' , 'K' , 'L' , 'M' , 'N' , 'O' , 'P' , 'Q' , 'R' , 'S' , 'T' , 'U' , 'V' , 'W' , 'X' , 'Y' , 'Z' ); //所有候选组成验证码的字符，也可以用中文的
code= "" ;
var codeLength= 4 ; //验证码的长度
for (var i = 0 ;i<codeLength;i++){
var index = Math.floor(Math.random()*selectChar.length); //随机数
code +=selectChar[index];
//$("#createCade").html(code)
}
return $( "#createCade" ).html(code);
},
clickCode:function(){ //切换验证码
var $ this = this ;
$( "#createCade" ).on( "click" ,function(){
return $ this .createCode();
});
}
};
</script>
</body>
</html>

以上所述是小编给大家介绍的JavaWeb开发之模仿知乎首页完整代码，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对我网站的支持！ 。

原文链接：http://blog.csdn.net/wuhawang/article/details/53125898 。

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