169 lines
4.0 KiB
Vue
169 lines
4.0 KiB
Vue
<!-- 海报弹窗 -->
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<template>
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<su-popup :show="show" round="10" @close="onClosePoster" type="center" class="popup-box">
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<view class="ss-flex-col ss-col-center ss-row-center">
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<image
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v-if="!!painterImageUrl"
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class="poster-img"
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:src="painterImageUrl"
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:style="{
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height: poster.css.height+ 'px',
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width: poster.css.width + 'px',
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}"
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:show-menu-by-longpress="true"
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/>
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</view>
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<view
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class="poster-btn-box ss-m-t-20 ss-flex ss-row-between ss-col-center"
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v-if="!!painterImageUrl"
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>
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<button class="cancel-btn ss-reset-button" @tap="onClosePoster">取消</button>
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<button class="save-btn ss-reset-button ui-BG-Main" @tap="onSavePoster">
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{{
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['wechatOfficialAccount', 'H5'].includes(sheep.$platform.name)
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? '长按图片保存'
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: '保存图片'
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}}
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</button>
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</view>
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<!-- 海报画板：默认隐藏只用来生成海报。生成方式为主动调用 -->
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<l-painter
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isCanvasToTempFilePath
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pathType="url"
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@success="setPainterImageUrl"
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hidden
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ref="painterRef"
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/>
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</su-popup>
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</template>
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<script setup>
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/**
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* 海报生成和展示
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* 提示：小程序码默认跳转首页，由首页进行 spm 参数解析后跳转到对应的分享页面
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* @description 用于生成分享海报，如：分享商品海报。
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* @tutorial https://ext.dcloud.net.cn/plugin?id=2389
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* @property {Boolean} show 弹出层控制
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* @property {Object} shareInfo 分享信息
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*/
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import { reactive, ref, unref } from 'vue';
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import sheep from '@/sheep';
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import { getPosterData } from '@/sheep/components/s-share-modal/canvas-poster/poster';
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const props = defineProps({
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show: {
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type: Boolean,
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default: false,
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},
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shareInfo: {
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type: Object,
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default: () => {
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},
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},
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});
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const poster = reactive({
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css: {
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// 根节点若无尺寸，自动获取父级节点
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width: sheep.$platform.device.windowWidth * 0.9,
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height: 600,
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},
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views: [],
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});
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const emits = defineEmits(['success', 'close']);
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const onClosePoster = () => {
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emits('close');
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};
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const painterRef = ref(); // 海报画板
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const painterImageUrl = ref(); // 海报 url
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// 渲染海报
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const renderPoster = async () => {
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await painterRef.value.render(unref(poster));
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};
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// 获得生成的图片
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const setPainterImageUrl = (path) => {
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painterImageUrl.value = path;
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};
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// 保存海报图片
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const onSavePoster = () => {
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if (['WechatOfficialAccount', 'H5'].includes(sheep.$platform.name)) {
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sheep.$helper.toast('请长按图片保存');
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return;
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}
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// 非H5 保存到相册
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uni.saveImageToPhotosAlbum({
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filePath: painterImageUrl.value,
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success: (res) => {
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onClosePoster();
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sheep.$helper.toast('保存成功');
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},
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fail: (err) => {
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sheep.$helper.toast('保存失败');
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console.log('图片保存失败:', err);
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},
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});
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};
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// 获得海报数据
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async function getPoster() {
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painterImageUrl.value = undefined
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poster.views = await getPosterData({
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width: poster.css.width,
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shareInfo: props.shareInfo,
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});
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await renderPoster();
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}
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defineExpose({
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getPoster,
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});
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</script>
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<style lang="scss" scoped>
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.popup-box {
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position: relative;
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}
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.poster-title {
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color: #999;
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}
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// 分享海报
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.poster-btn-box {
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width: 600rpx;
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position: absolute;
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left: 50%;
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transform: translateX(-50%);
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bottom: -80rpx;
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.cancel-btn {
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width: 240rpx;
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height: 70rpx;
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line-height: 70rpx;
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background: $white;
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border-radius: 35rpx;
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font-size: 28rpx;
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font-weight: 500;
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color: $dark-9;
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}
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.save-btn {
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width: 240rpx;
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height: 70rpx;
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line-height: 70rpx;
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border-radius: 35rpx;
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font-size: 28rpx;
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font-weight: 500;
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}
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}
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.poster-img {
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border-radius: 20rpx;
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}
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</style>
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