studytour-front/uni_modules/uv-ui-tools/libs/css/variable.scss

// 超出行数，自动显示行尾省略号，最多5行
// 来自uvui的温馨提示：当您在控制台看到此报错，说明需要在App.vue的style标签加上【lang="scss"】
@if variable-exists(show-lines) {
	@for $i from 1 through 5 {
		.uv-line-#{$i} {
			/* #ifdef APP-NVUE */
			// nvue下，可以直接使用lines属性，这是weex特有样式
			lines: $i;
			text-overflow: ellipsis;
			overflow: hidden;
			flex: 1;
			/* #endif */

			/* #ifndef APP-NVUE */
			// vue下，单行和多行显示省略号需要单独处理
			@if $i == '1' {
				overflow: hidden;
				white-space: nowrap;
				text-overflow: ellipsis;
			} @else {
				display: -webkit-box!important;
				overflow: hidden;
				text-overflow: ellipsis;
				word-break: break-all;
				-webkit-line-clamp: $i;
				-webkit-box-orient: vertical!important;
			}
			/* #endif */
		}
	}
}
@if variable-exists(show-border) {
	$uv-bordercolor: #dadbde;
	@if variable-exists(uv-border-color) {
		$uv-bordercolor: $uv-border-color;
	}
	// 此处加上!important并非随意乱用，而是因为目前*.nvue页面编译到H5时，
	// App.vue的样式会被uni-app的view元素的自带border属性覆盖，导致无效
	// 综上，这是uni-app的缺陷导致我们为了多端兼容，而必须要加上!important
	// 移动端兼容性较好，直接使用0.5px去实现细边框，不使用伪元素形式实现
	@if variable-exists(show-border-surround) {
		.uv-border {
			border-width: 0.5px!important;
			border-color: $uv-bordercolor!important;
			border-style: solid;
		}
	}
	@if variable-exists(show-border-top) {
		.uv-border-top {
			border-top-width: 0.5px!important;
			border-color: $uv-bordercolor!important;
			border-top-style: solid;
		}
	}
	@if variable-exists(show-border-left) {
		.uv-border-left {
			border-left-width: 0.5px!important;
			border-color: $uv-bordercolor!important;
			border-left-style: solid;
		}
	}
	@if variable-exists(show-border-right) {
		.uv-border-right {
			border-right-width: 0.5px!important;
			border-color: $uv-bordercolor!important;
			border-right-style: solid;
		}
	}
	@if variable-exists(show-border-bottom) {
		.uv-border-bottom {
			border-bottom-width: 0.5px!important;
			border-color: $uv-bordercolor!important;
				border-bottom-style: solid;
		}
	}
	@if variable-exists(show-border-top-bottom) {
		.uv-border-top-bottom {
			border-top-width: 0.5px!important;
			border-bottom-width: 0.5px!important;
			border-color: $uv-bordercolor!important;
			border-top-style: solid;
			border-bottom-style: solid;
		}
	}
}
@if variable-exists(show-reset-button) {
	// 去除button的所有默认样式，让其表现跟普通的view、text元素一样
	.uv-reset-button {
		padding: 0;
		background-color: transparent;
		/* #ifndef APP-PLUS */
		font-size: inherit;
		line-height: inherit;
		color: inherit;
		/* #endif */
		/* #ifdef APP-NVUE */
		border-width: 0;
		/* #endif */
	}

	/* #ifndef APP-NVUE */
	.uv-reset-button::after {
		 border: none;
	}
	/* #endif */
}
@if variable-exists(show-hover) {
	.uv-hover-class {
		opacity: 0.7;
	}
}