zhishifufei_uniapp/mixins/poster.js

import { getMiniprogramQrcodeByPage,getTouTiaoMiniprogramQrcodeByPage } from "@/api/auth";
export default {
    data() {
        return {
            qrcodeText: "",
            isPosterCanvasVisable: false,
            isQrcodeCanvasVisable: false,
            filename: "",
            is_preview: true,
        };
    },
    methods: {
        handleQrcodeCreateSuccess(path) {
            this.x_cb(path);
        },
        pathToQrcodePath(type = 'poster', data) {
            if (this.pre_qrcode) return Promise.resolve(this.pre_qrcode);
            // #ifdef MP
            switch (type) {
                case 'poster':
                    var { full_path, scene } = this.$util.getFullPath(this.shareQrcodeData);
                    break;
                case 'gift':
                    var full_path = data.url;
                    var scene = `id=${data.id}&guid=${data.uid}&goid=${data.oid}`;
                    break;
                case 'pink':
                    var full_path = data.url;
                    var scene = `id=${data.id}&uid=${data.uid}&pid=${data.pid}&oid=${data.oid}`;
                    break;
                case 'download':
                    var full_path = data.url;
                    var scene = `id=${data.id}&spread_uid=${data.spread_uid}`;
                    break;
                case 'spread':
                    var full_path = data.url;
                    var scene = `spread_uid=${data.spread_uid}`;
                    break;
                case 'special':
                    var full_path = data.url;
                    var scene = `id=${data.id}&spread_uid=${data.spread_uid}`;
                    break;
                default:
                    break;
            }
            /* #ifndef MP-TOUTIAO */
            return getMiniprogramQrcodeByPage(full_path, scene).then((res) => {
                return this.$util.getImagePath(
                    res.data.url + "?t=" + new Date().getTime()
                );
            });
            /* #endif */
            return getTouTiaoMiniprogramQrcodeByPage(full_path, scene).then((res) => {
                return this.$util.getImagePath(
                    res.data.url + "?t=" + new Date().getTime()
                );
            }).catch(err=>{
                this.$util.showMsg(err)
               setTimeout(() => {
                uni.navigateBack({
                    delta: 1
                 });
               }, 1500);
              });
            // #endif
            // #ifndef MP
            switch (type) {
                case 'poster':
                    var path = this.site_url;
                    this.qrcodeText = path;
                    break;
                case 'gift':
                    var path = this.site_url;
                    this.qrcodeText = path;
                    break;
                case 'pink':
                    var path = this.site_url;
                    this.qrcodeText = path;
                    break;
                case 'download':
                    var path = this.url;
                    this.qrcodeText = path;
                    break;
                case 'spread':
                    var path = this.url;
                    this.qrcodeText = path;
                    break;
                default:
                    break;
            }
            return new Promise((resolve) => {
                this.x_cb = (v) => {
                    this.isQrcodeCanvasVisable = false;
                    resolve(v);
                };
                this.isQrcodeCanvasVisable = true;
            });
            // #endif
        },
        // 生成分享海报
        async createSharePoster(type = "poster", data = {}) {
            /* #ifdef MP-KUAISHOU */
            return this.$util.showMsg("点击右上角分享");
            /* #endif */
            let filename = this.filename;
            if (!filename) {
                uni.showLoading({
                    mask: true,
                });
                const task1 = this.$util.getImagePath(this.poster_image);
                console.log(this.is_certificate,data.pre_qrcode);
                let task2;
                if (this.is_certificate) {
                 task2 = this.$util.getImagePath(this.pre_qrcode);  
                } else {
                     task2 = this.pathToQrcodePath(type, data);
                }

                try {
                    const [bgPath, codePath] = await Promise.all([task1, task2]);
                    this.isPosterCanvasVisable = true;
                    await this.$util.asyncNextTick(this);
                    const fn = this.renderProductPoster || this.$poster.renderProductPoster;
					console.log(fn)
                    const result = await fn(this, "poster", bgPath, codePath);
					console.log(result)
                    this.isPosterCanvasVisable = false;
                    filename = this.filename = result;
                    uni.hideLoading();
                } catch (err) {
                    uni.hideLoading();
                    this.isPosterCanvasVisable = false;
                    this.$util.showMsg(err);
                    return;
                }
            }

            this.is_preview && uni.previewImage({
                current: 0,
                urls: [filename],
            });
        },
    }
};