356 lines
10 KiB
JavaScript
356 lines
10 KiB
JavaScript
// pages/zuzhanghaibao/zuzhanghaibao.js
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import request from '../../utils/request.js';
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const app = getApp();
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Page({
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data: {
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qrcodeUrl: '', // 二维码完整URL
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yaoqingma: '', // 组长邀请码字符串
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isLoading: false,
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showPosterCanvas: false,
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posterImageTemp: '', // 生成的海报临时路径
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avatarUrl: '', // 用户头像完整URL
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uid: '',
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nickName: '',
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},
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onLoad() {
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this.loadFromCache();
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this.loadUserInfo();
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},
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onShow() {
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this.registerNotificationComponent();
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},
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registerNotificationComponent() {
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const notificationComp = this.selectComponent('#global-notification');
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if (notificationComp && notificationComp.showNotification) {
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app.globalData.globalNotification = {
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show: (data) => notificationComp.showNotification(data),
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hide: () => notificationComp.hideNotification()
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};
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}
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},
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/**
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* 从缓存加载二维码URL和邀请码
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* 缓存键名使用独特拼音，避免与管事页面冲突
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*/
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loadFromCache() {
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try {
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const relativeUrl = wx.getStorageSync('zuzhang_haibao_url');
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if (relativeUrl) {
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const fullUrl = this.getFullImageUrl(relativeUrl);
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this.setData({ qrcodeUrl: fullUrl });
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}
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const yaoqingma = wx.getStorageSync('zuzhang_yaoqingma');
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if (yaoqingma) {
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this.setData({ yaoqingma });
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}
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} catch (error) {
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console.error('读取缓存失败', error);
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}
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},
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/**
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* 加载用户头像、昵称、UID
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*/
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loadUserInfo() {
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const touxiang = wx.getStorageSync('touxiang');
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const ossUrl = app.globalData.ossImageUrl || '';
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const defaultAvatar = ossUrl + (app.globalData.morentouxiang || 'avatar/default.jpg');
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let avatarUrl = defaultAvatar;
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if (touxiang && typeof touxiang === 'string' && touxiang.trim() !== '') {
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avatarUrl = this.getFullImageUrl(touxiang);
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}
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const uid = wx.getStorageSync('uid') || '';
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// 组长昵称可能从全局变量或缓存获取
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let nickName = app.globalData.nicheng || wx.getStorageSync('nicheng') || '组长';
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this.setData({ avatarUrl, uid, nickName });
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},
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/**
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* 拼接完整图片URL
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*/
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getFullImageUrl(url) {
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if (!url) return '';
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const ossUrl = app.globalData.ossImageUrl || '';
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return url.startsWith('http') ? url : ossUrl + url;
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},
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/**
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* 刷新/获取二维码和邀请码
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* 调用 /peizhi/zuzhanghb 接口
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*/
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refreshQRCode() {
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if (this.data.isLoading) return;
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this.setData({ isLoading: true });
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request({
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url: '/peizhi/zuzhanghb',
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method: 'POST',
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})
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.then(res => {
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if (res.data && res.data.code === 0) {
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const { url: relativeUrl, yaoqingma } = res.data.data; // 假设返回字段为 url 和 yaoqingma
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if (relativeUrl) {
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wx.setStorageSync('zuzhang_haibao_url', relativeUrl);
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const fullUrl = this.getFullImageUrl(relativeUrl);
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this.setData({ qrcodeUrl: fullUrl });
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}
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if (yaoqingma) {
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wx.setStorageSync('zuzhang_yaoqingma', yaoqingma);
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this.setData({ yaoqingma });
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}
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wx.showToast({ title: '获取成功', icon: 'success' });
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} else {
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wx.showToast({ title: res.data.msg || '获取失败', icon: 'none' });
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}
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})
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.catch(err => {
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console.error('获取组长海报失败', err);
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wx.showToast({ title: '网络错误', icon: 'none' });
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})
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.finally(() => {
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this.setData({ isLoading: false });
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});
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},
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/**
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* 保存二维码到相册（先下载网络图片）
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*/
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saveToAlbum() {
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if (!this.data.qrcodeUrl) {
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wx.showToast({ title: '暂无二维码', icon: 'none' });
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return;
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}
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wx.showLoading({ title: '保存中...', mask: true });
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wx.downloadFile({
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url: this.data.qrcodeUrl,
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success: (res) => {
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wx.hideLoading();
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if (res.statusCode === 200) {
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this.downloadAndSave(res.tempFilePath);
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} else {
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wx.showToast({ title: '下载失败', icon: 'none' });
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}
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},
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fail: (err) => {
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wx.hideLoading();
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console.error('下载二维码失败', err);
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wx.showToast({ title: '下载失败', icon: 'none' });
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}
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});
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},
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/**
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* 复制邀请码到剪贴板
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*/
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copyInviteCode() {
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if (!this.data.yaoqingma) {
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wx.showToast({ title: '暂无邀请码', icon: 'none' });
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return;
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}
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wx.setClipboardData({
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data: this.data.yaoqingma,
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success: () => {
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wx.showToast({ title: '复制成功', icon: 'success' });
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},
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fail: () => {
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wx.showToast({ title: '复制失败', icon: 'none' });
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}
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});
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},
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/**
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* 生成专属海报（包含头像、二维码、昵称、标语）
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*/
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generateMyPoster() {
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if (!this.data.qrcodeUrl) {
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wx.showToast({ title: '请先生成二维码', icon: 'none' });
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return;
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}
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wx.showLoading({ title: '生成海报中...', mask: true });
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const ossUrl = app.globalData.ossImageUrl || '';
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// 🔥 组长海报背景图路径：beijing/zuzhangbeijing.jpg
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const bgUrl = ossUrl + 'beijing/zuzhangbeijing.jpg';
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const urls = [bgUrl, this.data.qrcodeUrl, this.data.avatarUrl];
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// 并行加载所有图片
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const promises = urls.map(url => this.loadImage(url));
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Promise.all(promises)
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.then((images) => {
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wx.hideLoading();
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this.setData({ showPosterCanvas: true }, () => {
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// 确保 canvas 已渲染
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setTimeout(() => {
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this.drawPoster(images[0], images[1], images[2]);
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}, 200);
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});
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})
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.catch((err) => {
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wx.hideLoading();
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wx.showToast({ title: '图片加载失败', icon: 'none' });
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console.error('图片加载失败', err);
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});
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},
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/**
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* 加载图片为本地路径（用于 canvas 绘制）
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*/
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loadImage(url) {
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return new Promise((resolve, reject) => {
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wx.getImageInfo({
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src: url,
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success: (res) => resolve(res.path),
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fail: reject
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});
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});
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},
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/**
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* 绘制海报
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* @param {string} bgPath 背景图本地路径
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* @param {string} qrPath 二维码本地路径
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* @param {string} avatarPath 头像本地路径
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*/
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drawPoster(bgPath, qrPath, avatarPath) {
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const ctx = wx.createCanvasContext('posterCanvas', this);
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const query = wx.createSelectorQuery().in(this);
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query.select('.poster-canvas').boundingClientRect(rect => {
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if (!rect) {
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wx.showToast({ title: '画布获取失败', icon: 'none' });
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return;
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}
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const canvasWidth = rect.width;
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const canvasHeight = rect.height;
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// 1. 绘制背景
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ctx.drawImage(bgPath, 0, 0, canvasWidth, canvasHeight);
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// 🔥【位置调整】二维码向右上角移动一丢丢 (增加 margin 从 5 到 15)
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const qrSize = 100;
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const margin = 15; // 原来 5，现在 15，向右下各移一点，但看起来更协调
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const qrX = canvasWidth - qrSize - margin;
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const qrY = canvasHeight - qrSize - margin;
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ctx.drawImage(qrPath, qrX, qrY, qrSize, qrSize);
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// 🔥【位置调整】头像也向右上移动一丢丢 (原来 margin 5，现在 margin 15)
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const avatarSize = 60;
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const avatarMargin = 15;
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const avatarX = avatarMargin + 10; // 原来 margin 5+20，现在 15+20，相当于右移10
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const avatarY = canvasHeight - avatarSize - avatarMargin;
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// 圆形头像裁剪
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ctx.save();
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ctx.beginPath();
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ctx.arc(avatarX + avatarSize/2, avatarY + avatarSize/2, avatarSize/2, 0, 2 * Math.PI);
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ctx.clip();
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ctx.drawImage(avatarPath, avatarX, avatarY, avatarSize, avatarSize);
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ctx.restore();
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// 绘制昵称（右侧）
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ctx.setFontSize(16);
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ctx.setFillStyle('#333333'); // 根据背景图颜色可调整
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ctx.setTextAlign('left');
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let nick = this.data.nickName || '组长';
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if (nick.length > 3) {
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nick = nick.substring(0, 3) + '...';
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}
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const nameText = nick;
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const textX = avatarX + avatarSize + 8;
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const textY = avatarY + avatarSize/2 + 6;
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ctx.fillText(nameText, textX, textY);
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// 绘制邀请语
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ctx.setFontSize(18);
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ctx.setFillStyle('#9333ea'); // 金黄色，呼应组长主题
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ctx.setTextAlign('left');
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const slogan = '加入我的团队 ✦';
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const sloganX = avatarX;
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const sloganY = avatarY - 12;
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ctx.fillText(slogan, sloganX, sloganY);
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// 异步绘制
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ctx.draw(false, () => {
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wx.canvasToTempFilePath({
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canvasId: 'posterCanvas',
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success: (res) => {
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this.setData({ posterImageTemp: res.tempFilePath });
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},
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fail: (err) => {
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console.error('生成海报临时文件失败', err);
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}
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}, this);
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});
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}).exec();
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},
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/**
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* 保存生成的海报
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*/
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savePoster() {
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if (!this.data.posterImageTemp) {
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wx.showToast({ title: '海报尚未生成', icon: 'none' });
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return;
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}
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this.downloadAndSave(this.data.posterImageTemp);
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},
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/**
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* 隐藏海报画布，返回主界面
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*/
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hidePoster() {
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this.setData({ showPosterCanvas: false, posterImageTemp: '' });
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},
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/**
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* 通用保存图片到相册（带权限检查）
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*/
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downloadAndSave(filePath) {
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wx.getSetting({
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success: (res) => {
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if (!res.authSetting['scope.writePhotosAlbum']) {
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wx.authorize({
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scope: 'scope.writePhotosAlbum',
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success: () => {
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this._saveImage(filePath);
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},
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fail: () => {
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wx.showModal({
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title: '提示',
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content: '需要您授权保存到相册',
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success: (modalRes) => {
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if (modalRes.confirm) {
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wx.openSetting();
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}
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}
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});
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}
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});
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} else {
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this._saveImage(filePath);
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}
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}
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});
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},
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_saveImage(filePath) {
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wx.saveImageToPhotosAlbum({
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filePath: filePath,
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success: () => {
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wx.showToast({ title: '保存成功', icon: 'success' });
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},
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fail: (err) => {
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console.error('保存失败', err);
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wx.showToast({ title: '保存失败', icon: 'none' });
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}
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});
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},
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}); |