JavaScript

[JavaScript] 로딩

mart3n 2023. 10. 12. 17:39

로딩창을 html 로 따로 만드는 것이 좋다

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>loading</title>
</head>
<body>
    <div id="load">
        <div id="preloader">
            <div id="loader"></div>
        </div>
    </div>

    <script>
        const loading_page = document.getElementById("load");
        window.onload = function(){
            loading_page.style.display = 'none';
        }
    </script>
</body>
</html>

CSS

#load{
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    position: fixed;
    display: block;
    opacity: 0.8;
    background: black;
    text-align: center;
    z-index: 9999999;
}

#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
#loader {
    display: block;
    position: relative;
    left: 50%;
    top: 50%;
    width: 150px;
    height: 150px;
    margin: -75px 0 0 -75px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #9370DB;
    -webkit-animation: spin 2s linear infinite;
    animation: spin 2s linear infinite;
}
#loader:before {
    content: "";
    position: absolute;
    top: 5px;
    left: 5px;
    right: 5px;
    bottom: 5px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #BA55D3;
    -webkit-animation: spin 3s linear infinite;
    animation: spin 3s linear infinite;
}
#loader:after {
    content: "";
    position: absolute;
    top: 15px;
    left: 15px;
    right: 15px;
    bottom: 15px;
    border-radius: 50%;
    border: 3px solid transparent;
    border-top-color: #FF00FF;
    -webkit-animation: spin 1.5s linear infinite;
    animation: spin 1.5s linear infinite;
}
@-webkit-keyframes spin {
    0%   {
        -webkit-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}
@keyframes spin {
    0%   {
        -webkit-transform: rotate(0deg);
        -ms-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        -ms-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

jsp includ 형식으로 풀러와도 되고

thymeleaf 면 thymeleaf-layout-dialect  방식을 사용해서 페이지 마다 세팅해주면 편하다.

 

ajax 처리방법 

beforeSend , complete 를 쓰자~

$.ajax({
    url: "/check",
    method: 'POST',
    datatype: 'JSON',
    data: param,
    success: function (dataMap) {
        궁시렁..궁시렁
    },
    //완료 되기 전
    beforeSend:function(){
        loading_page.style.display = 'block'
    },
    //완료 된 후
    complete:function(){
        loading_page.style.display = 'none'
    },
    error: function () {
        궁시렁..궁시렁
    }
});