76 lines
1.9 KiB
Vue
76 lines
1.9 KiB
Vue
<template>
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<!-- 全局错误兜底:子树渲染/生命周期抛错时显示降级 UI,防止白屏。
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用法:用 <ErrorBoundary> 包裹可能出错的子组件树(slot 透传)。 -->
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<template v-if="error">
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<div class="error-boundary">
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<div class="error-boundary-icon">⚠</div>
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<div class="error-boundary-title">{{ $t('error.title') }}</div>
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<div class="error-boundary-desc">{{ $t('error.desc') }}</div>
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<button class="error-boundary-retry" @click="reset">{{ $t('error.retry') }}</button>
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</div>
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</template>
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<slot v-else />
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</template>
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<script setup lang="ts">
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import { ref, onErrorCaptured } from 'vue'
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// errorCaptured 捕获子组件树抛出的错误(渲染/生命周期),返回 false 阻止继续向上冒泡
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const error = ref<unknown>(null)
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onErrorCaptured((err) => {
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error.value = err
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console.error('[ErrorBoundary] 子树渲染错误:', err)
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return false
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})
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// 重试:重置 errorState,slot 重新挂载子树
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function reset() {
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error.value = null
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}
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</script>
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<style scoped>
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.error-boundary {
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display: flex;
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flex-direction: column;
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align-items: center;
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justify-content: center;
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gap: 8px;
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padding: 32px 16px;
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color: var(--df-text-secondary, #888);
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text-align: center;
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}
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.error-boundary-icon {
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font-size: 28px;
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color: var(--df-danger, #e5484d);
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line-height: 1;
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}
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.error-boundary-title {
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font-size: 14px;
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font-weight: 500;
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color: var(--df-text, #333);
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}
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.error-boundary-desc {
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font-size: 12px;
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line-height: 1.5;
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max-width: 360px;
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}
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.error-boundary-retry {
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margin-top: 8px;
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padding: 5px 16px;
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font-size: 12px;
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font-weight: 500;
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font-family: var(--df-font-sans);
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background: var(--df-accent, #7b6ff0);
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color: #fff;
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border: none;
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border-radius: var(--df-radius-sm, 4px);
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cursor: pointer;
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transition: filter 0.15s;
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}
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.error-boundary-retry:hover {
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filter: brightness(1.1);
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}
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</style>
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