384 lines
9.5 KiB
Vue
384 lines
9.5 KiB
Vue
<template>
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<!-- 九宫格容器 -->
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<view> </view>
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<view class="lottery-grid">
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<!-- 高亮选中框 -->
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<view
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class="highlight-box"
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:style="{
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top: highlightTop,
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left: highlightLeft,
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transition: isRotating ? 'all 0.07s linear' : 'none',
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}"
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></view>
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<!-- 9个格子 -->
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<view class="grid-item" v-for="(item, index) in 9" :key="index">
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<!-- 中间格子作为抽奖按钮 (索引4) -->
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<template v-if="index === 4">
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<image
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:src="prizesObj.prizes[index]?.iconUrl"
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class="prize-img-button"
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mode="widthFix"
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@click="handleStartLottery(1)"
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></image>
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</template>
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<!-- 其他8个奖品格子 -->
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<template v-else>
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<image
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:src="prizesObj.prizes[index]?.iconUrl"
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class="prize-img"
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mode="widthFix"
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></image>
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<text class="prize-name">{{ prizesObj.prizes[index]?.name }}</text>
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</template>
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</view>
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</view>
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<view
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class="coiled-lottery"
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v-if="prizesObj.times > 9"
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@click="handleStartLottery(10)"
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>
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连续抽奖10次
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</view>
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</template>
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<script>
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import { raffleExecute } from "@/api/raffle.js";
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import { getUserInfo } from "@/api/auth.js";
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export default {
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props: {
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// 奖品数据数组
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prizesObj: {
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type: Object,
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required: true,
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default: () => ({ prizes: [] }),
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},
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// 是否禁用抽奖
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isDisabled: {
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type: Boolean,
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default: false,
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},
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remainCount: {
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type: Number,
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default: 0,
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},
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},
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data() {
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return {
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isRotating: false, // 是否正在旋转
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highlightTop: "0rpx", // 高亮框顶部位置
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highlightLeft: "0rpx", // 高亮框左侧位置
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// 抽奖配置常量
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LOTTERY_PATH: [0, 1, 2, 5, 8, 7, 6, 3], // 抽奖路径顺序（顺时针）
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INITIAL_SPEED: 100, // 初始速度(ms) - 调慢以便观察
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MAX_STEPS: 50, // 最大步数，防止无限循环
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ACCELERATE_STEPS: 5, // 加速步数
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SPEED_DECREMENT: 10, // 加速时的速度减少量
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SPEED_INCREMENT: 15, // 减速时的速度增加量
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MIN_SPEED: 50, // 最小速度
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STOP_SPEED: 250, // 停止时的速度阈值
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animationTimer: null, // 动画计时器
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targetIndex: 0,
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currentPrize: [],
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currentUserData: {},
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};
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},
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mounted() {
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this.getUserInfo();
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},
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methods: {
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// 查询用户等级
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async getUserInfo() {
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const result = await getUserInfo();
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if (result && result.bizcode === 100) {
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const data = result.data;
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this.currentUserData = result.data || {};
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}
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},
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/**
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* 移动高亮框到指定索引位置
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* @param {number} index - 格子索引
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*/
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moveHighlight(index) {
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const row = Math.floor(index / 3); // 计算行
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const col = index % 3; // 计算列
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this.highlightTop = `${row * 194}rpx`; // 使用高度值194rpx而不是宽度值203rpx
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this.highlightLeft = `${col * 203}rpx`; // 水平位置使用宽度值203rpx保持不变
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},
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/**
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* 执行抽奖动画
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* @param {Object} options - 动画参数
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*/
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runAnimation(options) {
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const { currentStep, speed, targetStep, cycleCount, totalSteps } =
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options;
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// 清除之前的计时器
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if (this.animationTimer) {
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clearTimeout(this.animationTimer);
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}
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// 计算下一步
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const nextStep = (currentStep + 1) % this.LOTTERY_PATH.length;
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const nextTotalSteps = totalSteps + 1;
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let nextCycleCount = cycleCount;
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let nextSpeed = speed;
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// 计算循环次数
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if (nextStep === 0) {
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nextCycleCount++;
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}
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// 速度控制逻辑
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if (nextCycleCount < 1 && nextTotalSteps < this.ACCELERATE_STEPS) {
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// 加速阶段
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nextSpeed = Math.max(this.MIN_SPEED, nextSpeed - this.SPEED_DECREMENT);
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} else {
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// 减速阶段
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nextSpeed += this.SPEED_INCREMENT;
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}
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// 移动高亮框到当前步骤位置
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this.moveHighlight(this.LOTTERY_PATH[nextStep]);
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// 检查是否应该停止
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const shouldStop =
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(nextSpeed > this.STOP_SPEED && nextStep === targetStep) ||
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nextTotalSteps > this.MAX_STEPS;
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if (shouldStop) {
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// 动画结束
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this.isRotating = false;
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this.animationTimer = null;
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// 触发抽奖完成事件，返回中奖奖品
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this.$emit(
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"complete",
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this.prizesObj.prizes[this.LOTTERY_PATH[nextStep]]
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);
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return;
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}
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// 继续下一帧动画
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this.animationTimer = setTimeout(() => {
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this.runAnimation({
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currentStep: nextStep,
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speed: nextSpeed,
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targetStep,
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cycleCount: nextCycleCount,
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totalSteps: nextTotalSteps,
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});
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}, nextSpeed);
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},
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/**
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* 处理开始抽奖事件
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*/
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async handleStartLottery(num) {
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if (this.currentUserData.contractStatus != 4) {
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uni.showToast({
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title: `您当前尚未签署合同，请先签署合同再参与抽奖～`,
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icon: "none",
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});
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return;
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}
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if (this.prizesObj.times <= 0) {
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uni.showToast({
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title: `您当前未获取到抽奖次数，快去获取吧～`,
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icon: "none",
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});
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return;
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}
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if (this.prizesObj.times < num - 1) {
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return;
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}
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const params = {
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id: this.prizesObj.id,
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times: num,
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};
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const { data } = await raffleExecute(params);
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this.targetIndex = this.prizesObj.prizes.findIndex(
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(ele) => ele.id === data.idList[0]
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);
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console.log(
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"0------",
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this.prizesObj.prizes,
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data.idList,
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this.targetIndex
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);
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this.currentPrize = data.prizeList;
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this.handleStartClick(num);
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},
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/**
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* 处理开始抽奖点击事件
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*/
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handleStartClick(num) {
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// 如果正在抽奖或被禁用，则不执行
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if (this.isDisabled || this.isRotating) {
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console.log("抽奖被禁用或正在进行中");
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return;
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}
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// 减少抽奖次数
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if (this.remainCount <= 0) {
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uni.showToast({
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title: "抽奖次数不足",
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icon: "none",
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});
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return;
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}
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// 标记为正在抽奖
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this.isRotating = true;
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// 通知父组件开始抽奖
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this.$emit("start", num, this.currentPrize);
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// 开始抽奖动画（无论父组件做了什么处理）
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this.startLotteryAnimation();
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},
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/**
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* 开始抽奖动画
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*/
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startLotteryAnimation() {
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// 重置动画参数
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clearTimeout(this.animationTimer);
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// 开始动画
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this.runAnimation({
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currentStep: 0,
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speed: this.INITIAL_SPEED,
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targetStep: this.targetIndex,
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cycleCount: 0,
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totalSteps: 0,
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});
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},
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},
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beforeDestroy() {
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// 组件销毁时清理计时器
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if (this.animationTimer) {
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clearTimeout(this.animationTimer);
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this.animationTimer = null;
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}
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},
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};
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</script>
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<style scoped>
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.lottery-grid {
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width: 615rpx;
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height: 605rpx;
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display: flex;
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flex-wrap: wrap;
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position: relative;
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border-radius: 16rpx;
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background-color: transparent;
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box-sizing: content-box;
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margin: 45rpx 0 0 10rpx;
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}
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.grid-item {
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width: 203rpx;
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height: 194rpx;
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box-sizing: border-box;
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border: 8rpx solid #ff4646;
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display: flex;
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flex-direction: column;
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justify-content: center;
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align-items: center;
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position: relative;
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flex-shrink: 0;
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background: linear-gradient(180deg, #fff7e7 0%, #ffdab2 100%);
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box-shadow: inset 0px 0 24rpx 0px rgba(255, 129, 9, 0.5);
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border-radius: 20rpx;
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}
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.lottery-btn {
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width: 203rpx;
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height: 194rpx;
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background: linear-gradient(135deg, #ff5252 0%, #e63946 100%);
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border-radius: 50%;
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display: flex;
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justify-content: center;
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align-items: center;
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box-shadow: 0 6rpx 12rpx rgba(230, 57, 70, 0.3);
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/* 增加点击反馈 */
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transition: transform 0.2s;
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}
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.lottery-btn:active {
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transform: scale(0.95);
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}
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.lottery-btn text {
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color: #fff;
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font-size: 32rpx;
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font-weight: bold;
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text-align: center;
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padding: 0 10rpx;
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}
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.prize-img {
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width: 100rpx;
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height: 100rpx;
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margin-bottom: 10rpx;
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}
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.prize-img-button {
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width: 100%;
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height: 100%;
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}
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.prize-name {
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font-size: 26rpx;
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color: #333;
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text-align: center;
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padding: 0 10rpx;
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white-space: nowrap;
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overflow: hidden;
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text-overflow: ellipsis;
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}
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.highlight-box {
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position: absolute;
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width: 203rpx;
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height: 194rpx;
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box-sizing: border-box;
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border: 6rpx solid #ffdab2;
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background-color: rgba(255, 64, 129, 0.4);
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z-index: 1;
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pointer-events: none;
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border-radius: 20rpx;
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box-shadow: inset 0px 0 24px 0px rgba(255, 129, 9, 0.5);
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}
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.coiled-lottery {
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width: 670rpx;
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height: 88rpx;
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min-height:88rpx;
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background: linear-gradient(
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180deg,
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#ffe361 0%,
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#ff7b21 70%,
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#ffb931 91%,
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#ffb245 100%
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);
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box-shadow: inset 0px 0 24rpx 0px rgba(255, 255, 255, 0.5);
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border-radius: 44rpx;
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margin: 120rpx auto 0;
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display: flex;
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align-items: center;
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justify-content: center;
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font-weight: 500;
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font-size: 32rpx;
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color: #ffffff;
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}
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</style>
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