feat:rename subtree from frontend-vue to frontend
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93
frontend/src/components/MultiLineTooltip/index.vue
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93
frontend/src/components/MultiLineTooltip/index.vue
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<template>
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<el-tooltip :disabled="!isOverflow" effect="light" placement="top" :content="text">
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<div
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ref="containerRef"
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class="multi-line-ellipsis"
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:style="containerStyle"
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@mouseenter="handleMouseEnter"
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@mouseleave="handleMouseLeave"
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>
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<slot>
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{{ text }}
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</slot>
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</div>
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</el-tooltip>
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</template>
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<script lang="ts" setup>
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import { computed, type HTMLAttributes, nextTick, onMounted, ref } from 'vue'
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import { ElTooltip } from 'element-plus'
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// 定义组件 props 类型
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interface Props {
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text?: string
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lines?: number
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maxWidth?: string | number
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}
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const props = withDefaults(defineProps<Props>(), {
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text: '',
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lines: 3,
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maxWidth: '100%',
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})
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const isOverflow = ref(false)
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const containerRef = ref<HTMLElement | null>(null)
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// 计算容器样式
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const containerStyle = computed(
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() =>
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({
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maxWidth: props.maxWidth,
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display: '-webkit-box',
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WebkitBoxOrient: 'vertical',
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WebkitLineClamp: props.lines,
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overflow: 'hidden',
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textOverflow: 'ellipsis',
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lineHeight: '1.5',
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wordBreak: 'break-all',
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}) as HTMLAttributes['style'],
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)
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// 检查文字是否溢出
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const checkOverflow = (element: HTMLElement): boolean => {
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// 单行情况下使用宽度判断
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if (props.lines === 1) {
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return element.scrollWidth > element.clientWidth
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}
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// 多行情况下使用高度判断
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else {
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return element.scrollHeight > element.clientHeight
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}
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}
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// 鼠标进入处理
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const handleMouseEnter = (event: MouseEvent) => {
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const element = event.target as HTMLElement
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console.log(checkOverflow(element))
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isOverflow.value = checkOverflow(element)
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}
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// 鼠标离开处理
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const handleMouseLeave = () => {
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isOverflow.value = false
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}
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// 初始化时检查溢出状态
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onMounted(() => {
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nextTick(() => {
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if (containerRef.value) {
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isOverflow.value = checkOverflow(containerRef.value)
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}
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})
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})
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</script>
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<style scoped>
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.multi-line-ellipsis {
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cursor: default;
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overflow: hidden;
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text-overflow: ellipsis;
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white-space: normal;
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}
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</style>
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