116 lines
2.1 KiB
Vue
116 lines
2.1 KiB
Vue
<template>
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<div
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class="safe-avatar"
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:style="{
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width: size + 'px',
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height: size + 'px'
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}"
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>
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<img
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v-if="!imageError && src"
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:src="src"
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:alt="alt"
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@error="handleImageError"
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@load="handleImageLoad"
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/>
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<div v-else class="avatar-placeholder">
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<span class="avatar-text">{{ avatarText }}</span>
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</div>
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</div>
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</template>
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<script setup lang="ts">
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import { ref, computed } from 'vue'
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interface Props {
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src?: string
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alt?: string
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size?: number
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name?: string
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}
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const props = withDefaults(defineProps<Props>(), {
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src: '',
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alt: '头像',
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size: 32,
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name: '用户'
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})
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const imageError = ref(false)
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// 根据用户名生成头像文字
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const avatarText = computed(() => {
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if (props.name) {
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// 如果是中文名，取最后一个字
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if (/[\u4e00-\u9fa5]/.test(props.name)) {
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return props.name.slice(-1)
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}
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// 如果是英文名，取首字母
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return props.name.charAt(0).toUpperCase()
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}
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return '用'
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})
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const handleImageError = () => {
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imageError.value = true
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}
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const handleImageLoad = () => {
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imageError.value = false
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}
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</script>
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<style scoped>
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.safe-avatar {
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border-radius: 50%;
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overflow: hidden;
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display: flex;
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align-items: center;
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justify-content: center;
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background: #f0f0f0;
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}
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.safe-avatar img {
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width: 100%;
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height: 100%;
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object-fit: cover;
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}
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.avatar-placeholder {
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width: 100%;
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height: 100%;
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background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
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display: flex;
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align-items: center;
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justify-content: center;
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}
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.avatar-text {
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color: white;
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font-weight: 500;
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font-size: 14px;
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}
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/* 根据尺寸调整字体大小 */
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.safe-avatar[style*="width: 24px"] .avatar-text {
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font-size: 10px;
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}
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.safe-avatar[style*="width: 32px"] .avatar-text {
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font-size: 12px;
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}
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.safe-avatar[style*="width: 40px"] .avatar-text {
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font-size: 14px;
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}
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.safe-avatar[style*="width: 64px"] .avatar-text,
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.safe-avatar[style*="width: 80px"] .avatar-text {
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font-size: 18px;
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}
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.safe-avatar[style*="width: 100px"] .avatar-text {
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font-size: 24px;
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}
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</style>
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