feat: 推广海报页进入自动获取二维码并生成海报

Co-authored-by: Cursor <cursoragent@cursor.com>

pages/invite-manager/invite-manager.js

@@ -29,12 +29,29 @@ Page({
     this.setData({ posterBgUrl: bgUrl });
     this.loadFromCache();
     this.loadUserInfo();
+    this.autoFetchAndShowPoster();
   },
 
   onShow() {
     this.registerNotificationComponent();
   },
 
+  autoFetchAndShowPoster() {
+    if (this.data.qrcodeUrl) {
+      this.autoGeneratePoster();
+      return;
+    }
+    this.refreshQRCode({ silent: true, autoPoster: true });
+  },
+
+  autoGeneratePoster() {
+    if (!this.data.qrcodeUrl || this.data.showPosterCanvas || this._autoPosterRunning) return;
+    this._autoPosterRunning = true;
+    this.generateMyPoster({ silent: true }).finally(() => {
+      this._autoPosterRunning = false;
+    });
+  },
+
   registerNotificationComponent() {
     const notificationComp = this.selectComponent('#global-notification');
     if (notificationComp && notificationComp.showNotification) {
@@ -73,7 +90,13 @@ Page({
     this.setData({ avatarUrl, uid, nickName });
   },
 
-  refreshQRCode() {
+  refreshQRCode(opts = {}) {
+    const silent = !!opts.silent;
+    const autoPoster = !!opts.autoPoster;
+    if (this.data.qrcodeUrl && silent) {
+      if (autoPoster) this.autoGeneratePoster();
+      return;
+    }
     if (this.data.isLoading) return;
     this.setData({ isLoading: true });
     request({ url: '/peizhi/zuzhanghb', method: 'POST' })
@@ -90,14 +113,15 @@ Page({
             wx.setStorageSync(inviteKey, yaoqingma);
             this.setData({ yaoqingma });
           }
-          wx.showToast({ title: '获取成功', icon: 'success' });
-        } else {
+          if (!silent) wx.showToast({ title: '获取成功', icon: 'success' });
+          if (autoPoster && this.data.qrcodeUrl) this.autoGeneratePoster();
+        } else if (!silent) {
           wx.showToast({ title: res.data.msg || res.data.message || '获取失败', icon: 'none' });
         }
       })
       .catch((err) => {
         console.error('获取组长海报失败', err);
-        wx.showToast({ title: '网络错误', icon: 'none' });
+        if (!silent) wx.showToast({ title: '网络错误', icon: 'none' });
       })
       .finally(() => this.setData({ isLoading: false }));
   },

pages/poster/poster.js

@@ -26,12 +26,31 @@ Page({
     this.setData({ posterBgUrl: bgUrl });
     this.loadQRCodeFromCache();
     this.loadUserInfo();
+    // 进入页自动获取：有缓存不请求；没有则代替点击「获取二维码」，成功后再自动生成海报
+    this.autoFetchAndShowPoster();
   },
 
   onShow() {
     this.registerNotificationComponent();
   },
 
+  /** 有二维码则直接生成海报；没有则先拉二维码，成功后再生成 */
+  autoFetchAndShowPoster() {
+    if (this.data.qrcodeUrl) {
+      this.autoGeneratePoster();
+      return;
+    }
+    this.refreshQRCode({ silent: true, autoPoster: true });
+  },
+
+  autoGeneratePoster() {
+    if (!this.data.qrcodeUrl || this.data.showPosterCanvas || this._autoPosterRunning) return;
+    this._autoPosterRunning = true;
+    this.generateMyPoster({ silent: true }).finally(() => {
+      this._autoPosterRunning = false;
+    });
+  },
+
   registerNotificationComponent() {
     const notificationComp = this.selectComponent('#global-notification');
     if (notificationComp && notificationComp.showNotification) {
@@ -69,7 +88,14 @@ Page({
     this.setData({ avatarUrl, uid, nickName });
   },
 
-  refreshQRCode() {
+  refreshQRCode(opts = {}) {
+    const silent = !!opts.silent;
+    const autoPoster = !!opts.autoPoster;
+    // 已有二维码：不再重复获取
+    if (this.data.qrcodeUrl && silent) {
+      if (autoPoster) this.autoGeneratePoster();
+      return;
+    }
     if (this.data.isLoading) return;
     this.setData({ isLoading: true });
     request({
@@ -77,21 +103,23 @@ Page({
       method: 'POST',
     }).then((res) => {
       if (res.data && res.data.code === 0) {
-        const relativeUrl = res.data.data.url;
+        const relativeUrl = res.data.data && res.data.data.url;
         if (relativeUrl) {
           const key = this._qrCacheKey || posterQrCacheKey('guanshi');
           wx.setStorageSync(key, relativeUrl);
           this.setData({ qrcodeUrl: getFullImageUrl(relativeUrl, app) });
-          wx.showToast({ title: '获取成功', icon: 'success' });
-        } else {
+          if (!silent) wx.showToast({ title: '获取成功', icon: 'success' });
+          if (autoPoster) this.autoGeneratePoster();
+        } else if (!silent) {
           wx.showToast({ title: '返回数据异常', icon: 'none' });
         }
-      } else {
+      } else if (!silent) {
         wx.showToast({ title: res.data.msg || res.data.message || '获取失败', icon: 'none' });
       }
+      // silent 失败：不展示、不打扰
     }).catch((err) => {
       console.error('获取海报失败', err);
-      wx.showToast({ title: '网络错误', icon: 'none' });
+      if (!silent) wx.showToast({ title: '网络错误', icon: 'none' });
     }).finally(() => {
       this.setData({ isLoading: false });
     });
@@ -120,24 +148,25 @@ Page({
     });
   },
 
-  generateMyPoster() {
+  generateMyPoster(opts = {}) {
+    const silent = !!opts.silent;
     if (!this.data.qrcodeUrl) {
-      wx.showToast({ title: '请先生成二维码', icon: 'none' });
-      return;
+      if (!silent) wx.showToast({ title: '请先生成二维码', icon: 'none' });
+      return Promise.resolve();
     }
-    wx.showLoading({ title: '生成海报中...', mask: true });
+    if (!silent) wx.showLoading({ title: '生成海报中...', mask: true });
     const bgUrl = this.data.posterBgUrl;
     const urls = [bgUrl, this.data.qrcodeUrl, this.data.avatarUrl];
-    Promise.all(urls.map((url) => this.loadImage(url)))
+    return Promise.all(urls.map((url) => this.loadImage(url)))
       .then((images) => {
-        wx.hideLoading();
+        if (!silent) wx.hideLoading();
         this.setData({ showPosterCanvas: true }, () => {
           setTimeout(() => this.drawPoster(images[0], images[1], images[2]), 200);
         });
       })
       .catch((err) => {
-        wx.hideLoading();
-        wx.showToast({ title: '图片加载失败', icon: 'none' });
+        if (!silent) wx.hideLoading();
+        if (!silent) wx.showToast({ title: '图片加载失败', icon: 'none' });
         console.error('图片加载失败', err);
       });
   },