staff/uni_modules/wot-design-uni/components/wd-img/wd-img.vue

90 lines
2.2 KiB
Vue

<!--
* @Author: 810505339
* @Date: 2024-09-25 11:30:46
* @LastEditors: 810505339
* @LastEditTime: 2025-01-09 11:37:45
* @FilePath: \wot-design-uni\src\uni_modules\wot-design-uni\components\wd-img\wd-img.vue
* 记得注释
-->
<template>
<view :class="rootClass" @click="handleClick" :style="rootStyle">
<image
:class="`wd-img__image ${customImage}`"
:style="status !== 'success' ? 'width: 0;height: 0;' : ''"
:src="src"
:mode="mode"
:show-menu-by-longpress="showMenuByLongpress"
:lazy-load="lazyLoad"
@load="handleLoad"
@error="handleError"
/>
<slot v-if="status === 'loading'" name="loading"></slot>
<slot v-if="status === 'error'" name="error"></slot>
</view>
</template>
<script lang="ts">
export default {
name: 'wd-img',
options: {
virtualHost: true,
addGlobalClass: true,
styleIsolation: 'shared'
}
}
</script>
<script lang="ts" setup>
import { computed, ref } from 'vue'
import { addUnit, isDef, objToStyle } from '../common/util'
import { imgProps } from './types'
const props = defineProps(imgProps)
const emit = defineEmits<{
(e: 'error', event: Event): void
(e: 'click', event: MouseEvent): void
(e: 'load', event: Event): void
}>()
const rootStyle = computed(() => {
const style: Record<string, string | number> = {}
if (isDef(props.height)) {
style['height'] = addUnit(props.height)
}
if (isDef(props.width)) {
style['width'] = addUnit(props.width)
}
if (isDef(props.radius)) {
style['border-radius'] = addUnit(props.radius)
style['overflow'] = 'hidden'
}
return `${objToStyle(style)};${props.customStyle}`
})
const rootClass = computed(() => {
return `wd-img ${props.round ? 'is-round' : ''} ${props.customClass}`
})
const status = ref<'loading' | 'error' | 'success'>('loading')
function handleError(event: any) {
status.value = 'error'
emit('error', event)
}
function handleClick(event: MouseEvent) {
if (props.enablePreview && props.src && status.value == 'success') {
uni.previewImage({
urls: [props.src]
})
}
emit('click', event)
}
function handleLoad(event: any) {
status.value = 'success'
emit('load', event)
}
</script>
<style lang="scss" scoped>
@import './index.scss';
</style>