付款页setDate、getDate不支持，替换成getTime、setTime方法

“pengye”
1 parent 010f85ad
Showing 1 changed file with 37 additions and 36 deletions
miniprogram/pack-activity/pack/buyFreeCoupon.js
--- a/miniprogram/pack-activity/pack/buyFreeCoupon.js
View file @3e48468
+++ b/miniprogram/pack-activity/pack/buyFreeCoupon.js
View file @3e48468
@@ -63,7 +63,7 @@ Page({
             if (res.ret == 200 && res.data && res.data.length > 0) {
                 let list = res.data
                 // console.log('listlistlist',JSON.stringify(list));
-                // list= monidata
+                // list= list.concat(monidata)
                 list.forEach(detail => {
                     detail.stringifyUse = detail.use ? JSON.stringify(detail.use) : '';
                     detail.exp_date = detail.exp_date ? util.determine(detail.exp_date) : '';
@@ -85,7 +85,7 @@ Page({
                     let edateText = ''; //有效期截止时间（领取日期+领取后几天有效的日期）
                     let date = new Date(detail.cdate * 1000);
                     if (detail.arule.is_same_day != '1') {
-                        date.setDate(date.getDate() + 1);
+                        date.setTime(date.getTime() + 24 * 60 * 60 * 1000); // 加一天的毫秒数
                     }
                     date.setHours(0, 0, 0, 0);
                     let newTimestamp = Math.floor(date.getTime() / 1000);
@@ -96,7 +96,7 @@ Page({
                         detail.deadlineDate = detail.etime
                     } else {
                         let time = new Date(detail.cdate * 1000);
-                        time.setDate(time.getDate() + parseInt(detail.aexpiration));
+                        time.setTime(time.getTime() + parseInt(detail.aexpiration) * 24 * 60 * 60 * 1000); // 加上有效期天数的毫秒数
                         time.setHours(23, 59, 0, 0);
                         let deadlineDate = Math.floor(time.getTime() / 1000);
                         detail.deadlineDate = deadlineDate
@@ -171,7 +171,7 @@ Page({
             list.forEach(item => {
                 if (item.accumulationShow == "0" || (remaining - item.price < 0 && !item.checked)) {
                     item.showCpupon = '0';
-                } else if (item.accumulationShow == "1") {
+                } else if (item.accumulationShow == "1" && item.canCheck == '1') {
                     item.showCpupon = '1';
                 }
             })
@@ -316,24 +316,25 @@ Page({
             ...obj
         });
         list.forEach(coupon => {
-            const startUseDate = new Date(currentDate);
-            let endUseDate = new Date(currentDate);
             const couponDate = new Date(coupon.cdate * 1000);
+            const startUseDate = new Date(couponDate);
+            const endUseDate = new Date(couponDate);
             if (coupon.arule.is_same_day) {
-                startUseDate.setDate(couponDate.getDate() - 1);
+                startUseDate.setTime(couponDate.getTime() - 24 * 60 * 60 * 1000); // 前一天
             } else {
-                startUseDate.setDate(couponDate.getDate());
+                startUseDate.setTime(couponDate.getTime()); // 直接设置为 couponDate 的时间
             }
+    
             // 券领取天数为0或者为空 默认券可使用最晚时间是券有效期截止时间
             if (coupon.aexpiration == '0' || coupon.aexpiration == '') {
                 let date = new Date(coupon.etime * 1000);
-                endUseDate = date
+                endUseDate.setTime(date.getTime());
             } else {
-                endUseDate.setDate(couponDate.getDate() + parseInt(coupon.aexpiration));
+                endUseDate.setTime(couponDate.getTime() + parseInt(coupon.aexpiration) * 24 * 60 * 60 * 1000); // 加上有效期天数
             }
             endUseDate.setHours(23, 59, 59, 999);
             // 今天不是领取当日，但在有效天数内 && 今天是领取当日且可用 && 券是开启状态
-            const isUseDate = (currentDate > startUseDate && currentDate < endUseDate) && coupon.is_open == '1'
+            const isUseDate = (currentDate > startUseDate && currentDate < endUseDate) && coupon.is_open == '1';
             let selectedValue = true;
             let str = true
             if (coupon.exp_date && coupon.exp_date.week_data && coupon.exp_date.week_data.length > 0) {
@@ -377,14 +378,14 @@ Page({
             coupon.isOk = isUseDate && (availableDate || coupon.exp_date.week_show == '无') ? '1' : '0'; //是否在可用时间内 1可使用 2不可使用
             coupon.expirationDate = coupon.deadlineDate;
         });
-        return list
+        return list;
     },
     // 最优惠的消费券组合(消费要求为无门槛 或者 满足优惠券使用金额 && 勾选最优的、最早到期的)
     findBestCoupons(arr) {
         console.log('勾选最优的之前', arr);
         let inputValue = this.data.inputValue;
         const amount = parseFloat(inputValue);
-        const validCoupons = arr.filter(coupon => (coupon.isOk == '1' && parseFloat(coupon.desc) <= amount));
+        const validCoupons = arr.filter(coupon => (coupon.isOk == '1' && parseFloat(coupon.desc) <= amount) && amount>=parseFloat(coupon.price));
         // 排序后，优先选择最大优惠的券
         validCoupons.sort((a, b) => parseFloat(b.price) - parseFloat(a.price));
         arr.forEach(item => {
@@ -396,28 +397,28 @@ Page({
         let list2 = []; // 最优惠的不可叠加的优惠券
         let finalList = []; //最终用的优惠券组合
         // 计算可叠加的组合
-        let remainingValue = amount; // 剩余金额
-        let totalDiscount = 0; // 总优惠金额
-        // 尝试组合可叠加的优惠券
-        validCoupons.forEach(coupon => {
-            // 可叠加券
-            if (coupon.accumulationShow == '1') {
-                const discountAmount = parseFloat(coupon.price);
-                // 只有在添加优惠券后剩余金额仍大于或等于0时才添加
-                if (remainingValue - discountAmount >= 0) {
-                    list1.push(coupon);
-                    totalDiscount += discountAmount; // 累加优惠金额
-                    remainingValue -= discountAmount; // 减少应付金额
+        let maxDiscount = 0;
+
+        function backtrack(startIndex, currentCombination, currentDiscount, remainingValue) {
+            // 如果当前组合的优惠大于最大优惠且剩余金额不小于0，更新最大优惠和最佳组合
+            if (currentDiscount > maxDiscount && remainingValue >= 0) {
+                maxDiscount = currentDiscount;
+                list1 = [...currentCombination];
+            }
+            for (let i = startIndex; i < validCoupons.length; i++) {
+                const coupon = validCoupons[i];
+                if (coupon.accumulationShow == '1') { // 仅考虑可叠加的优惠券
+                    const discountAmount = parseFloat(coupon.price);
+                    if (remainingValue - discountAmount >= 0) { // 确保剩余金额足够
+                        currentCombination.push(coupon);
+                        backtrack(i + 1, currentCombination, currentDiscount + discountAmount, remainingValue - discountAmount); // 递归时从 i + 1 开始
+                        currentCombination.pop(); // 回溯
+                    }
                 }
             }
-        });
-        console.log('可叠加的优惠券组合1:', list1);
-        // 检查可叠加组合是否有效
-        if (remainingValue < 0) {
-            list1 = []; // 如果剩余金额小于0，清空可叠加列表
         }
-        // 重置剩余金额，用于不可叠加的优惠券
-        remainingValue = amount;
+        backtrack(0, [], 0, amount); // 开始回溯
+        console.log('最佳可叠加优惠券组合:', list1);
         // 遍历有效优惠券，寻找不可叠加的优惠券
         validCoupons.forEach(coupon => {
             if (coupon.accumulationShow === '0') {
@@ -439,7 +440,7 @@ Page({
         // 计算两个列表的最大优惠值
         let maxStackableValue = list1.reduce((total, coupon) => total + parseFloat(coupon.price), 0);
         let maxNonStackableValue = list2.reduce((total, coupon) => total + parseFloat(coupon.price), 0);
-
+        
         // 比较两个最大值并输出结果
         if (maxStackableValue > maxNonStackableValue) {
             console.log(`可叠加优惠券组合的最大优惠值更高: ${maxStackableValue}`);
@@ -605,11 +606,11 @@ Page({
         var curdate = new Date();
         var year = curdate.getFullYear();
         var month = curdate.getMonth() + 1;
-        var date = curdate.getDate();
+        var date = Math.floor((curdate.getTime() % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60 * 24)) + 1; // 计算当前日期
         var formattedDate = year + "-" + month + "-" + date;
         obj.isshow = '0'
-        //该日期同时满足2个条件即为节假日：1.在节假日数组内或在周末. 2.不在周末上班日期数组
-        if ((holidays.indexOf(formattedDate) >= 0 || (curdate.getDay() == 0 || curdate.getDay() == 6)) && nWeekend.indexOf(formattedDate) < 0) {
+        //在节假日数组内
+        if ((holidays.indexOf(formattedDate) >= 0) && nWeekend.indexOf(formattedDate) < 0) {
             obj.isshow = '1'
         } else {
             obj.isshow = '0'