145 lines
3.0 KiB
Vue
145 lines
3.0 KiB
Vue
<template>
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<view class="files-wrap">
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<view class="files-label" :class="required ? 'form-cell--required' : ''">{{ name }}</view>
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<view class="grid">
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<view v-for="(f, idx) in files" :key="idx" class="item" @click="preview(idx)">
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<image class="thumb" :src="f.url" mode="aspectFill" />
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<view class="remove" @click.stop="remove(idx)">×</view>
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</view>
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<view class="add" @click="add">
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<view class="plus">+</view>
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</view>
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</view>
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</view>
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</template>
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<script setup>
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import { computed } from 'vue';
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import { chooseAndUploadImage } from '@/utils/file';
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import { toast } from '@/utils/widget';
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const emits = defineEmits(['change']);
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const props = defineProps({
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form: { type: Object, default: () => ({}) },
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name: { default: '' },
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required: { type: Boolean, default: false },
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title: { default: '' },
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disableChange: { type: Boolean, default: false },
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max: { type: [Number, String], default: 9 },
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});
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const maxCount = computed(() => {
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const n = Number(props.max);
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return Number.isFinite(n) && n > 0 ? Math.min(n, 9) : 9;
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});
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const files = computed(() => {
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const v = props.form?.[props.title];
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if (Array.isArray(v)) {
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return v
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.map((i) => {
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if (typeof i === 'string') return { url: i };
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if (i && typeof i === 'object' && i.url) return { url: String(i.url) };
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return null;
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})
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.filter(Boolean);
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}
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if (typeof v === 'string' && v) return [{ url: v }];
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return [];
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});
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function emitValue(list) {
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emits('change', { title: props.title, value: list });
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}
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function preview(idx) {
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const urls = files.value.map((i) => i.url);
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if (!urls.length) return;
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uni.previewImage({ urls, current: urls[idx] });
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}
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function remove(idx) {
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if (props.disableChange) return;
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const next = files.value.filter((_, i) => i !== idx);
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emitValue(next);
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}
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async function add() {
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if (props.disableChange) return;
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if (files.value.length >= maxCount.value) {
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toast(`最多上传${maxCount.value}张`);
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return;
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}
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const url = await chooseAndUploadImage({ count: 1 });
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if (!url) return;
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emitValue([...files.value, { url }]);
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}
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</script>
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<style lang="scss" scoped>
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@import '../cell-style.css';
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.files-wrap {
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padding: 24rpx 30rpx;
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border-bottom: 1px solid #eee;
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background: #fff;
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}
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.files-label {
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font-size: 28rpx;
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line-height: 42rpx;
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}
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.grid {
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margin-top: 18rpx;
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display: flex;
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flex-wrap: wrap;
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gap: 18rpx;
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}
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.item {
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width: 160rpx;
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height: 160rpx;
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border-radius: 10rpx;
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overflow: hidden;
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position: relative;
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background: #f6f6f6;
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}
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.thumb {
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width: 100%;
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height: 100%;
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}
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.remove {
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position: absolute;
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top: 6rpx;
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right: 6rpx;
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width: 36rpx;
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height: 36rpx;
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line-height: 36rpx;
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text-align: center;
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background: rgba(0, 0, 0, 0.55);
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color: #fff;
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border-radius: 18rpx;
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font-size: 28rpx;
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}
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.add {
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width: 160rpx;
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height: 160rpx;
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border-radius: 10rpx;
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border: 1px dashed #cfcfcf;
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display: flex;
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align-items: center;
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justify-content: center;
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color: #999;
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}
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.plus {
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font-size: 56rpx;
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line-height: 56rpx;
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}
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</style>
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