初始化版本，引入智慧食堂模块，第三方模块

src/theme/loading.scss

@@ -0,0 +1,51 @@
+.loading-next {
+	width: 100%;
+	height: 100%;
+}
+.loading-next .loading-next-box {
+	position: absolute;
+	top: 50%;
+	left: 50%;
+	transform: translate(-50%, -50%);
+}
+.loading-next .loading-next-box-warp {
+	width: 80px;
+	height: 80px;
+}
+.loading-next .loading-next-box-warp .loading-next-box-item {
+	width: 33.333333%;
+	height: 33.333333%;
+	background: var(--el-color-primary);
+	float: left;
+	animation: loading-next-animation 1.2s infinite ease;
+	border-radius: 1px;
+}
+.loading-next .loading-next-box-warp .loading-next-box-item:nth-child(7) {
+	animation-delay: 0s;
+}
+.loading-next .loading-next-box-warp .loading-next-box-item:nth-child(4),
+.loading-next .loading-next-box-warp .loading-next-box-item:nth-child(8) {
+	animation-delay: 0.1s;
+}
+.loading-next .loading-next-box-warp .loading-next-box-item:nth-child(1),
+.loading-next .loading-next-box-warp .loading-next-box-item:nth-child(5),
+.loading-next .loading-next-box-warp .loading-next-box-item:nth-child(9) {
+	animation-delay: 0.2s;
+}
+.loading-next .loading-next-box-warp .loading-next-box-item:nth-child(2),
+.loading-next .loading-next-box-warp .loading-next-box-item:nth-child(6) {
+	animation-delay: 0.3s;
+}
+.loading-next .loading-next-box-warp .loading-next-box-item:nth-child(3) {
+	animation-delay: 0.4s;
+}
+@keyframes loading-next-animation {
+	0%,
+	70%,
+	100% {
+		transform: scale3D(1, 1, 1);
+	}
+	35% {
+		transform: scale3D(0, 0, 1);
+	}
+}