ios判断，红包修改

pages/index/prizeDraw/choujiangcanvas.vue

@@ -0,0 +1,138 @@
+<template>
+  <view class="lottery-container">
+    <!-- 抽奖圆盘 -->
+    <view class="lottery-wheel" @click="startLottery">
+      <view class="lottery-item" v-for="(item, index) in lotteryItems" :key="index">
+        <image :src="item.icon" mode="aspectFit"></image>
+        <text>{{ item.name }}</text>
+      </view>
+      <view class="start-btn">开始抽奖</view>
+    </view>
+    <!-- 剩余抽奖次数 -->
+    <view class="lottery-info">
+      <text>剩余免费抽奖{{ remainingTimes }}次</text>
+    </view>
+  </view>
+</template>
+
+<script setup>
+import { ref } from 'vue';
+
+// 抽奖项目数据
+const lotteryItems = [
+  {
+    name: '现金红包',
+    icon: 'https://example.com/red-envelope-icon.png'
+  },
+  {
+    name: '平板',
+    icon: 'https://example.com/tablet-icon.png'
+  },
+  {
+    name: '爱奇艺会员',
+    icon: 'https://example.com/iqiyi-icon.png'
+  },
+  {
+    name: '淘宝优惠券',
+    icon: 'https://example.com/taobao-coupon-icon.png'
+  },
+  {
+    name: '京东优惠券',
+    icon: 'https://example.com/jd-coupon-icon.png'
+  },
+  {
+    name: '拼多多优惠券',
+    icon: 'https://example.com/pdd-coupon-icon.png'
+  }
+];
+
+// 剩余抽奖次数
+const remainingTimes = ref(2);
+
+// 开始抽奖函数
+const startLottery = () => {
+  if (remainingTimes.value > 0) {
+    // 这里可以添加实际的抽奖逻辑，例如随机选择一个奖项
+    // 以下只是模拟抽奖过程
+    const randomIndex = Math.floor(Math.random() * lotteryItems.length);
+    const selectedItem = lotteryItems[randomIndex];
+    console.log('恭喜你获得：', selectedItem.name);
+    remainingTimes.value--;
+  } else {
+    uni.showToast({
+      title: '抽奖次数已用完',
+      icon: 'none'
+    });
+  }
+}
+</script>
+<style lang="scss">
+.lottery-container {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  height: 100vh;
+}
+
+.lottery-wheel {
+  width: 300px;
+  height: 300px;
+  border-radius: 50%;
+  background-color: #ffd700;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  position: relative;
+}
+
+.lottery-item {
+  width: 50%;
+  height: 50%;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  position: absolute;
+}
+
+.lottery-item:nth-child(1) {
+  transform: rotate(0deg);
+}
+
+.lottery-item:nth-child(2) {
+  transform: rotate(60deg);
+}
+
+.lottery-item:nth-child(3) {
+  transform: rotate(120deg);
+}
+
+.lottery-item:nth-child(4) {
+  transform: rotate(180deg);
+}
+
+.lottery-item:nth-child(5) {
+  transform: rotate(240deg);
+}
+
+.lottery-item:nth-child(6) {
+  transform: rotate(300deg);
+}
+
+.start-btn {
+  width: 100px;
+  height: 100px;
+  border-radius: 50%;
+  background-color: #ff4500;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  color: #fff;
+  font-size: 18px;
+}
+
+.lottery-info {
+  margin-top: 20px;
+}
+</style>