103 lines
2.1 KiB
Vue
103 lines
2.1 KiB
Vue
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<template>
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<!-- 分享海报 -->
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<div class="content">
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<div class="share">
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<image class="poster" :src="posterImg" show-menu-by-longpress="{{true}}"
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@load="imgLoad"
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:style="{ width: imgWidth + 'px', height: imgHeight + 'px' }"
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></image>
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<view class="close" @click="closeShow"><up-icon name="close" color="#fff" size="26"/></view>
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<text>长按图片分享好友</text>
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</div>
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</div>
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</template>
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<script>
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import { ref, reactive, toRefs, watch } from 'vue'
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export default {
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props: {
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posterImg: String
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},
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setup(props, context) {
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const data = reactive({
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imgWidth: 1,
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imgHeight: 1
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})
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// 关闭
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function closeShow() {
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context.emit('closeShow')
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}
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function imgLoad(e) {
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let imgWidth = e.detail.width
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let imgHeight = e.detail.height
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let pWid = uni.getSystemInfoSync().windowWidth
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let pHig = uni.getSystemInfoSync().windowHeight
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let imgRate = imgWidth / imgHeight
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let pRate = pWid / pHig
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// 先判断图片宽高值
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if(imgWidth > imgHeight) {
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// 如果图片宽度大于屏幕宽度，就把图片宽度设为屏幕的宽度，高度设为其比例
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if(imgWidth > pWid) {
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data.imgWidth = pWid
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data.imgHeight = (pWid / imgRate).toFixed(2)
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} else {
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data.imgWidth = imgWidth
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data.imgHeight = imgHeight
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}
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} else {
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if(imgHeight > pHig * 0.65) {
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data.imgWidth = (pHig * 0.65 * imgRate).toFixed(2)
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data.imgHeight = (pHig * 0.65).toFixed(2)
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} else {
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data.imgWidth = imgWidth
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data.imgHeight = imgHeight
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}
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}
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}
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return {
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...toRefs(data),
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closeShow,
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imgLoad
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}
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}
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}
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</script>
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<style lang="scss" scoped>
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.content {
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width: 100%;
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height: 100%;
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position: fixed;
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top: 0;
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left: 0;
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background: rgba($color: #000000, $alpha: 0.7);
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z-index: 1001;
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display: flex;
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align-items: center;
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justify-content: center;
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.share{
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position: relative;
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display: inline-flex;
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align-items: center;
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justify-content: center;
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flex-direction: column;
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.close{
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position: absolute;
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right: 0;
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top: -70rpx;
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}
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text{
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font-size: 26rpx;
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color: #fff;
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margin-top: 20rpx;
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}
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.poster{
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border-radius: 16rpx;
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}
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}
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}
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</style>
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