JavaScript实现自适应窗口大小的网页
发布日期:2021-09-01 18:44:16 浏览次数:1 分类:技术文章

本文共 6957 字,大约阅读时间需要 23 分钟。

  hot3.png





Login
body{
text-align: left;
background-color: F6F6F6;
background-attachment: fixed;}#imgcenter{
position:relative;
height: auto;
width:50%;
left:20%;
top:250px;}#center{
position:relative;
height: auto;
width:50%;
left:20%;
top:220px;}#account{
position:relative;
height: auto;
left:60%;
top:-110px;
padding:2%;
width:50%;}#pwd{
position:relative;
height: auto;
left:60%;
top:-100px;
padding:2%;
width: 50%;}#login{
position:relative;
height: auto;
left:60%;
top:-95px;
padding:1%;
width: 25%;}#logo{
padding:3%;
width: 50%;
height: auto;}#div_forgetpwd{
position:relative;
height: 30%;
left: 90%;
top:-115px;
width: 25%;
font-size: 1pt;
   white-space:nowrap;}#div_forgetpwd a{
text-decoration: none;
margin: auto;}#div_forgetpwd a:hover{
text-decoration: underline;
margin: auto;}.Clew{
position:relative;
height: 15px;
left:-10%;
top:-80%;
padding:2% 50%;
white-space:nowrap;
color: #FFFFD5;
font-weight: bold;
font-family: century gothic, arial;
background: #FCBE47;
border-top: 2px solid #db6e3c;
border-bottom: 2px solid #db6e3c;}

//error clewvar userFlag=0;var pwdFlag=0;$().ready(function() {
$("form :input").blur(function() {
var $parent = $(this).parent();
$parent.find(".clew").remove();
if($(this).is(".username")) {
if(this.value=="" || this.value.length < 0) {
var errorMsg = "Please enter your account.";
$parent.append(" "+errorMsg+"");
}else
userFlag=1;
}
if($(this).is(".password")) {
if(this.value=="" || this.value.length < 0) {
var errorMsg = "Please enter your password.";
$parent.append(" "+errorMsg+"");
}else
pwdFlag=1;
}
   }).keyup(function() {
$(this).triggerHandler("blur");
}).focus(function() {
$(this).triggerHandler("blur");
});});//提交检验function validate_form(thisform){
with (thisform){
if (userFlag==0||pwdFlag==0){
username.focus();
return false;
}
}}





class="username">







注册帐号
忘记密码




//更改元素CSS属性
function set(){
var setImgDiv = document.getElementById("imgcenter");
setImgDiv.style.top = "150px";
setImgDiv.style.left = "36%";
var setTextDiv = document.getElementById("center");
setTextDiv.style.top = "280px";
setTextDiv.style.left = "8%";
var setLogo=document.getElementById("logo");
setLogo.style.height="100px";
setLogo.style.width="240px";
var setAccount=document.getElementById("account");
setAccount.style.height="15px";
setAccount.style.width="240px";
var setPwd=document.getElementById("pwd");
setPwd.style.height="15px";
setPwd.style.width="240px";
var setLogin=document.getElementById("login");
setLogin.style.height="25px";
setLogin.style.width="100px";
var setForgetPwd=document.getElementById("div_forgetpwd");
setForgetPwd.style.width="100px";
setForgetPwd.style.left="100%";
}
function reSet(){
var reSetImgDiv = document.getElementById("imgcenter");
reSetImgDiv.style.top = "250px";
reSetImgDiv.style.left = "20%";
var reSetTextDiv = document.getElementById("center");
reSetTextDiv.style.top = "220px";
reSetTextDiv.style.left = "20%";
var reSetLogo=document.getElementById("logo");
reSetLogo.style.height="auto";
reSetLogo.style.width="50%";
var reSetAccount=document.getElementById("account");
reSetAccount.style.height="auto";
reSetAccount.style.width="50%";
var reSetPwd=document.getElementById("pwd");
reSetPwd.style.height="auto";
reSetPwd.style.width="50%";
var reSetLogin=document.getElementById("login");
reSetLogin.style.height="auto";
reSetLogin.style.width="25%";
var reSetForgetPwd=document.getElementById("div_forgetpwd");
reSetForgetPwd.style.width="100px";
reSetForgetPwd.style.left="90%";
}
function setSizeMid(){
var setSizeMidImgDiv = document.getElementById("imgcenter");
setSizeMidImgDiv.style.top = "150px";
setSizeMidImgDiv.style.left = "22%";
var setSizeMidTextDiv = document.getElementById("center");
setSizeMidTextDiv.style.top = "280px";
setSizeMidTextDiv.style.left = "-35px";
var setSizeMidLogo=document.getElementById("logo");
setSizeMidLogo.style.height="100px";
setSizeMidLogo.style.width="240px";
var setSizeMidAccount=document.getElementById("account");
setSizeMidAccount.style.height="15px";
setSizeMidAccount.style.width="240px";
var setSizeMidPwd=document.getElementById("pwd");
setSizeMidPwd.style.height="15px";
setSizeMidPwd.style.width="240px";
var setSizeMidLogin=document.getElementById("login");
setSizeMidLogin.style.height="25px";
setSizeMidLogin.style.width="80px";
var setSizeMidForgetPwd=document.getElementById("div_forgetpwd");
setSizeMidForgetPwd.style.width="80px";
setSizeMidForgetPwd.style.left="110%";
}
function setSizeMini(){
var setSizeMiniImgDiv = document.getElementById("imgcenter");
setSizeMiniImgDiv.style.top = "150px";
setSizeMiniImgDiv.style.left = "6%";
var setSizeMiniTextDiv = document.getElementById("center");
setSizeMiniTextDiv.style.top = "280px";
setSizeMiniTextDiv.style.left = "-60px";
var setSizeMiniLogo=document.getElementById("logo");
setSizeMiniLogo.style.height="100px";
setSizeMiniLogo.style.width="240px";
var setSizeMiniAccount=document.getElementById("account");
setSizeMiniAccount.style.height="15px";
setSizeMiniAccount.style.width="240px";
var setSizeMiniPwd=document.getElementById("pwd");
setSizeMiniPwd.style.height="15px";
setSizeMiniPwd.style.width="240px";
var setSizeMiniLogin=document.getElementById("login");
setSizeMiniLogin.style.height="25px";
setSizeMiniLogin.style.width="80px";
var setSizeMiniForgetPwd=document.getElementById("div_forgetpwd");
setSizeMiniForgetPwd.style.width="80px";
setSizeMiniForgetPwd.style.left="125%";
}
//获取当前窗口尺寸
 var winWidth = 0;
 var winHeight = 0;
 function findDimensions() //函数:获取尺寸
 {
//获取窗口宽度
if (window.innerWidth)
winWidth = window.innerWidth;
else if ((document.body) && (document.body.clientWidth))
winWidth = document.body.clientWidth;
//获取窗口高度
if (window.innerHeight)
winHeight = window.innerHeight;
else if ((document.body) && (document.body.clientHeight))
winHeight = document.body.clientHeight;
//通过深入Document内部对body进行检测,获取窗口大小
if (document.documentElement  && document.documentElement.clientHeight && document.documentElement.clientWidth)
{
winHeight = document.documentElement.clientHeight;
winWidth = document.documentElement.clientWidth;
}
//结果输出至两个文本框
if(winWidth<420||winHeight<537)
setSizeMini();
else if(420<=winWidth&&winWidth<=595)
setSizeMid();
else if(595 <850||537 <590)
set();
else
reSet();
}
 findDimensions();
 //调用函数,获取数值
 window.onresize=findDimensions; 

  

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