feat: 完成三类字母描红开发

miniprogram/utils/downloadPrint.ts

@@ -14,6 +14,25 @@ const STORAGE_KEY_WATCHED_AD_TODAY = 'watchedAdToday';
 // 免费下载次数限制
 const FREE_DOWNLOAD_LIMIT = 5;
 
+/**
+ * 开发调试环境：本地 develop 包或开发者工具（含桌面模拟器）
+ * 此环境下不弹广告、不限制下载次数
+ */
+function isDevBypassLimits(): boolean {
+    try {
+        const env = wx.getAccountInfoSync().miniProgram.envVersion || 'release';
+        if (env === 'develop') {
+            return true;
+        }
+        if (wx.getSystemInfoSync().platform === 'devtools') {
+            return true;
+        }
+    } catch {
+        // ignore
+    }
+    return false;
+}
+
 // 激励视频广告单元ID
 const AD_UNIT_ID = 'adunit-eff5626f8b68c2e0';
 
@@ -34,7 +53,7 @@ function getTodayDateString(): string {
 export function getTodayDownloadCount(): number {
     const today = getTodayDateString();
     const downloadDate = wx.getStorageSync(STORAGE_KEY_DOWNLOAD_DATE);
-    
+
     // 如果不是今天，重置计数
     if (downloadDate !== today) {
         wx.setStorageSync(STORAGE_KEY_DOWNLOAD_COUNT, 0);
@@ -42,7 +61,7 @@ export function getTodayDownloadCount(): number {
         wx.setStorageSync(STORAGE_KEY_WATCHED_AD_TODAY, false);
         return 0;
     }
-    
+
     return wx.getStorageSync(STORAGE_KEY_DOWNLOAD_COUNT) || 0;
 }
 
@@ -80,19 +99,19 @@ function createVideoAd() {
     if (!wx.createRewardedVideoAd) {
         return null;
     }
-    
+
     const videoAd = wx.createRewardedVideoAd({
         adUnitId: AD_UNIT_ID,
     });
-    
+
     videoAd.onLoad(() => {
         console.log('激励视频广告加载成功');
     });
-    
+
     videoAd.onError((err) => {
         console.error('激励视频广告加载失败', err);
     });
-    
+
     return videoAd;
 }
 
@@ -102,7 +121,7 @@ function createVideoAd() {
 function showVideoAd(): Promise<boolean> {
     return new Promise((resolve) => {
         const videoAd = createVideoAd();
-        
+
         if (!videoAd) {
             wx.showToast({
                 title: '当前环境不支持激励广告',
@@ -111,18 +130,18 @@ function showVideoAd(): Promise<boolean> {
             resolve(false);
             return;
         }
-        
+
         // 显示 loading
         wx.showLoading({
             title: '加载中...',
             mask: true,
         });
-        
+
         // 监听广告关闭事件
         videoAd.onClose((res) => {
             // 隐藏 loading（如果还在显示）
             wx.hideLoading();
-            
+
             if (res && res.isEnded) {
                 // 用户完整观看了广告
                 markWatchedAdToday();
@@ -132,7 +151,7 @@ function showVideoAd(): Promise<boolean> {
                 resolve(false);
             }
         });
-        
+
         // 显示广告
         videoAd
             .show()
@@ -186,10 +205,10 @@ function doDownload(
             tracker.reportDownload(options.trackerName);
         }
     }
-    
+
     // 增加下载次数
     incrementDownloadCount();
-    
+
     // 执行下载（checkAndSaveImage 内部已有成功提示，这里不需要额外处理）
     checkAndSaveImage(canvas);
 }
@@ -220,23 +239,28 @@ export async function downloadPrint(
         });
         return;
     }
-    
+
+    if (isDevBypassLimits()) {
+        doDownload(canvas, options);
+        return;
+    }
+
     // 获取今日下载次数
     const downloadCount = getTodayDownloadCount();
     const hasWatchedAd = hasWatchedAdToday();
-    
+
     // 如果已观看广告，直接下载
     if (hasWatchedAd) {
         doDownload(canvas, options);
         return;
     }
-    
+
     // 如果未超过免费次数，直接下载
     if (downloadCount < FREE_DOWNLOAD_LIMIT) {
         doDownload(canvas, options);
         return;
     }
-    
+
     // 超过免费次数，需要观看广告
     const watched = await showVideoAd();
     if (watched) {