You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
131 lines
2.7 KiB
Vue
131 lines
2.7 KiB
Vue
<template>
|
|
<image
|
|
v-if="!state.isError"
|
|
class="su-img"
|
|
:style="customStyle"
|
|
:draggable="false"
|
|
:mode="mode"
|
|
:src="sheep.$url.cdn(src)"
|
|
@tap="onImgPreview"
|
|
@load="onImgLoad"
|
|
@error="onImgError"
|
|
></image>
|
|
</template>
|
|
|
|
<script setup>
|
|
/**
|
|
* 图片组件
|
|
*
|
|
* @property {String} src - 图片地址
|
|
* @property {Number} mode - 裁剪方式
|
|
* @property {String} isPreview - 是否开启预览
|
|
* @property {Number} previewList - 预览列表
|
|
* @property {String} current - 预览首张下标
|
|
*
|
|
* @event {Function} load - 图片加载完毕触发
|
|
* @event {Function} error - 图片加载错误触发
|
|
*
|
|
*/
|
|
|
|
import { reactive, computed } from 'vue';
|
|
import sheep from '@/sheep';
|
|
|
|
// 组件数据
|
|
const state = reactive({
|
|
isError: false,
|
|
imgHeight: 600,
|
|
});
|
|
|
|
// 接收参数
|
|
const props = defineProps({
|
|
src: {
|
|
type: String,
|
|
default: '',
|
|
},
|
|
errorSrc: {
|
|
type: String,
|
|
default: '/static/img/shop/empty_network.png',
|
|
},
|
|
mode: {
|
|
type: String,
|
|
default: 'widthFix',
|
|
},
|
|
isPreview: {
|
|
type: Boolean,
|
|
default: false,
|
|
},
|
|
previewList: {
|
|
type: Array,
|
|
default() {
|
|
return [];
|
|
},
|
|
},
|
|
current: {
|
|
type: Number,
|
|
default: -1,
|
|
},
|
|
height: {
|
|
type: Number,
|
|
default: 0,
|
|
},
|
|
width: {
|
|
type: Number,
|
|
default: 0,
|
|
},
|
|
radius: {
|
|
type: Number,
|
|
default: 0,
|
|
},
|
|
});
|
|
|
|
const emits = defineEmits(['load', 'error']);
|
|
|
|
const customStyle = computed(() => {
|
|
return {
|
|
height: (props.height || state.imgHeight) + 'rpx',
|
|
width: props.width ? props.width + 'rpx' : '100%',
|
|
borderRadius: props.radius ? props.radius + 'rpx' : '',
|
|
};
|
|
});
|
|
|
|
// 图片加载完成
|
|
function onImgLoad(e) {
|
|
if (props.height === 0) {
|
|
state.imgHeight = (e.detail.height / e.detail.width) * 750;
|
|
}
|
|
}
|
|
|
|
// 图片加载错误
|
|
function onImgError(e) {
|
|
state.isError = true;
|
|
emits('error', e);
|
|
}
|
|
|
|
// 预览图片
|
|
function onImgPreview() {
|
|
if (!props.isPreview) return;
|
|
uni.previewImage({
|
|
urls: props.previewList.length < 1 ? [props.src] : props.previewList,
|
|
current: props.current,
|
|
longPressActions: {
|
|
itemList: ['发送给朋友', '保存图片', '收藏'],
|
|
success: function (data) {
|
|
console.log('选中了第' + (data.tapIndex + 1) + '个按钮,第' + (data.index + 1) + '张图片');
|
|
},
|
|
fail: function (err) {
|
|
console.log(err.errMsg);
|
|
},
|
|
},
|
|
});
|
|
}
|
|
</script>
|
|
|
|
<style lang="scss" scoped>
|
|
.su-img {
|
|
position: relative;
|
|
width: 100%;
|
|
height: 100%;
|
|
display: block;
|
|
}
|
|
</style>
|