From b81ad69a2c092233eaa8d6b4dab03a3b6d13a306 Mon Sep 17 00:00:00 2001
From: Marvin Zhang <tikazyq@163.com>
Date: Sat, 6 Nov 2021 15:42:41 +0800
Subject: [PATCH] updated index.html

---
 frontend/public/index.html | 200 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 198 insertions(+), 2 deletions(-)

diff --git a/frontend/public/index.html b/frontend/public/index.html
index 4e9c641e..e71e5256 100644
--- a/frontend/public/index.html
+++ b/frontend/public/index.html
@@ -5,15 +5,211 @@
   <meta content="IE=edge" http-equiv="X-UA-Compatible">
   <meta content="width=device-width,initial-scale=1.0" name="viewport">
   <link href="<%= BASE_URL %>favicon.ico" rel="icon">
-  <link href="<%= BASE_URL %>font-awesome.min.css" rel="stylesheet">
+  <link href="font-awesome.min.css" rel="stylesheet">
   <title><%= htmlWebpackPlugin.options.title %></title>
-  <script src="<%= BASE_URL %>js/vue3-sfc-loader.js"></script>
+  <script src="/js/vue3-sfc-loader.js"></script>
+  <style>
+      #loading-placeholder {
+          position: fixed;
+          background: white;
+          z-index: -1;
+          top: 0;
+          left: 0;
+          width: 100vw;
+          height: 100vh;
+          display: flex;
+          align-items: center;
+          justify-content: center;
+      }
+
+      #loading-placeholder .title-wrapper {
+          height: 54px;
+      }
+
+      #loading-placeholder .title {
+          font-family: "Verdana", serif;
+          font-weight: 600;
+          font-size: 48px;
+          color: #409EFF;
+          text-align: center;
+          cursor: default;
+          letter-spacing: -5px;
+          margin: 0;
+      }
+
+      #loading-placeholder .title > span {
+          display: inline-block;
+          animation: change-shape 1s infinite;
+      }
+
+      #loading-placeholder .title > span:nth-child(1) {
+          animation-delay: calc(1s / 7 * 0 / 2);
+      }
+
+      #loading-placeholder .title > span:nth-child(2) {
+          animation-delay: calc(1s / 7 * 1 / 2);
+      }
+
+      #loading-placeholder .title > span:nth-child(3) {
+          animation-delay: calc(1s / 7 * 2 / 2);
+      }
+
+      #loading-placeholder .title > span:nth-child(4) {
+          animation-delay: calc(1s / 7 * 3 / 2);
+      }
+
+      #loading-placeholder .title > span:nth-child(5) {
+          animation-delay: calc(1s / 7 * 4 / 2);
+      }
+
+      #loading-placeholder .title > span:nth-child(6) {
+          animation-delay: calc(1s / 7 * 5 / 2);
+      }
+
+      #loading-placeholder .title > span:nth-child(7) {
+          animation-delay: calc(1s / 7 * 6 / 2);
+      }
+
+      #loading-placeholder .sub-title-wrapper {
+          position: relative;
+          display: flex;
+          align-items: center;
+          justify-content: center;
+          margin-bottom: 10px;
+          height: 28px;
+      }
+
+      #loading-placeholder .sub-title-wrapper .sub-title {
+          position: absolute;
+          font-size: 18px;
+          font-weight: 300;
+          font-family: "Verdana", serif;
+          font-style: italic;
+          color: #67C23A;
+          transform: rotate3d(1, 0, 0, 90deg);
+          animation: flip 20s infinite;
+          /*color: #E6A23C;*/
+          /*color: #F56C6C;*/
+      }
+
+      #loading-placeholder .sub-title-wrapper > .sub-title:nth-child(1) {
+          animation-delay: calc(20s / 4 * 0);
+      }
+
+      #loading-placeholder .sub-title-wrapper > .sub-title:nth-child(2) {
+          animation-delay: calc(20s / 4 * 1);
+      }
+
+      #loading-placeholder .sub-title-wrapper > .sub-title:nth-child(3) {
+          animation-delay: calc(20s / 4 * 2);
+      }
+
+      #loading-placeholder .sub-title-wrapper > .sub-title:nth-child(4) {
+          animation-delay: calc(20s / 4 * 3);
+      }
+
+      #loading-placeholder .loading-text {
+          text-align: center;
+          font-weight: bolder;
+          font-family: "Verdana", serif;
+          font-style: italic;
+          color: #889aa4;
+          font-size: 14px;
+          animation: blink-loading 2s ease-in infinite;
+      }
+
+      @keyframes blink-loading {
+          0% {
+              opacity: 100%;
+          }
+
+          50% {
+              opacity: 50%;
+          }
+
+          100% {
+              opacity: 100%;
+          }
+      }
+
+      @keyframes change-shape {
+          0% {
+              transform: scale(1);
+          }
+
+          25% {
+              transform: scale(1.2);
+          }
+
+          50% {
+              transform: scale(1);
+          }
+
+          100% {
+              transform: scale(1);
+          }
+      }
+
+      @keyframes flip {
+          0% {
+              transform: rotate3d(1, 0, 0, 90deg);
+          }
+
+          2% {
+              transform: rotate3d(1, 0, 0, 90deg);
+          }
+
+          7% {
+              transform: rotate3d(1, 0, 0, 0);
+          }
+
+          23% {
+              transform: rotate3d(1, 0, 0, 0);
+          }
+
+          27% {
+              transform: rotate3d(1, 0, 0, 90deg);
+          }
+
+          50% {
+              transform: rotate3d(1, 0, 0, 90deg);
+          }
+
+          100% {
+              transform: rotate3d(1, 0, 0, 90deg);
+          }
+      }
+  </style>
 </head>
 <body>
 <noscript>
   <strong>We're sorry but <%= htmlWebpackPlugin.options.title %> doesn't work properly without JavaScript enabled.
     Please enable it to continue.</strong>
 </noscript>
+<div id="loading-placeholder">
+  <div style="margin-bottom: 150px">
+    <div class="title-wrapper">
+      <h3 class="title">
+        <span>C</span>
+        <span>R</span>
+        <span>A</span>
+        <span>W</span>
+        <span>L</span>
+        <span>A</span>
+        <span>B</span>
+      </h3>
+    </div>
+    <div class="sub-title-wrapper">
+      <span class="sub-title"><i class="fa fa-cloud-download"></i> Easy Crawling</span>
+      <span class="sub-title"><i class="fa fa-diamond"></i> Better Management</span>
+      <span class="sub-title"><i class="fa fa-dollar"></i> Gain Data Value</span>
+      <span class="sub-title"><i class="fa fa-server"></i> Good Scalability</span>
+    </div>
+    <div class="loading-text">
+      Loading...
+    </div>
+  </div>
+</div>
 <div id="app"></div>
 <!-- built files will be auto injected -->
 </body>