vue三宫格走马灯抽奖
时间: 2023-08-19 20:17:59 浏览: 51
在Vue中实现三宫格走马灯抽奖效果可以借助九宫格的概念和跑马灯效果的实现方法。首先,我们可以将九宫格中除了中间的启动按钮以外的方块定义为奖池,作为组件的输入[1]。然后,可以通过定时器控制遮罩的出现顺序,实现跑马灯效果[3]。在移动遮罩时,遮罩的移动顺序需要与方块的索引之间建立映射关系,例如按照0,1,2,4,7,6,5,3的顺序循环移动[3]。对于减速运动的实现,可以使用匀速将速度逐渐减下来,或者借助贝塞尔函数实现更好的效果[2]。通过这些方法,我们可以在Vue中实现三宫格走马灯抽奖效果。
相关问题
vue3 卡片走马灯
在Vue3中,实现卡片走马灯的方法如下所示:
<template>
<el-carousel type="card" height="200px" :interval="2000" arrow="always">
<el-carousel-item v-for="item in imgList" :key="item.name">
<img :src="item.src" style="height:100%;width:100%;" :title="item.title" />
</el-carousel-item>
</el-carousel>
</template>
<script>
export default {
data() {
return {
imgList: [
{ name: "image1", src: "image1.jpg", title: "Image 1" },
{ name: "image2", src: "image2.jpg", title: "Image 2" },
{ name: "image3", src: "image3.jpg", title: "Image 3" },
],
};
},
};
</script>
<style scoped>
.el-carousel__item h3 {
color: #475669;
font-size: 14px;
opacity: 0.75;
line-height: 200px;
margin: 0;
}
.el-carousel__item:nth-child(2n) {
background-color: #99a9bf;
}
.el-carousel__item:nth-child(2n + 1) {
background-color: #d3dce6;
}
</style>
vue2实现9宫格抽奖
实现9宫格抽奖,可以使用Vue.js框架的component组件进行实现。具体步骤如下:
1. 创建一个九宫格的组件,可以通过table标签和tr、td标签组合实现:
```
<template>
<table>
<tr>
<td>1</td>
<td>2</td>
<td>3</td>
</tr>
<tr>
<td>4</td>
<td>5</td>
<td>6</td>
</tr>
<tr>
<td>7</td>
<td>8</td>
<td>9</td>
</tr>
</table>
</template>
```
2. 在组件中定义数据,用于控制九宫格指针的指向,以及奖品的位置:
```
<script>
export default {
data() {
return {
pointer: 0, // 指针位置
prizeIndex: 4, // 奖品位置
rotating: false // 是否正在旋转
};
}
};
</script>
```
3. 在组件中定义方法,用于处理抽奖逻辑,例如开始抽奖、停止抽奖等:
```
<script>
export default {
data() {
return {
pointer: 0, // 指针位置
prizeIndex: 4, // 奖品位置
rotating: false // 是否正在旋转
};
},
methods: {
start() {
if (this.rotating) return;
this.rotating = true;
let interval = setInterval(() => {
this.pointer = (this.pointer + 1) % 9;
}, 100);
setTimeout(() => {
clearInterval(interval);
this.rotating = false;
if (this.pointer === this.prizeIndex) {
alert("恭喜您中奖了!");
} else {
alert("很遗憾,您没有中奖!");
}
}, 3000);
}
}
};
</script>
```
4. 在组件中添加样式,用于实现九宫格的样式,以及指针的指向:
```
<style scoped>
table {
width: 200px;
height: 200px;
border-collapse: collapse;
}
td {
width: 30px;
height: 30px;
text-align: center;
vertical-align: middle;
border: 1px solid #ccc;
}
.active {
background-color: orange;
}
.pointer {
position: relative;
&::before,
&::after {
content: "";
position: absolute;
left: 50%;
transform: translateX(-50%);
width: 0;
height: 0;
border-style: solid;
border-width: 0 10px 20px 10px;
}
&::before {
top: -20px;
border-color: transparent transparent orange transparent;
}
&::after {
bottom: -20px;
border-color: orange transparent transparent transparent;
}
}
</style>
```
5. 在组件中添加指针的样式类,并根据指针位置动态添加该样式类:
```
<template>
<table>
<tr>
<td :class="{ active: pointer === 0 }">1</td>
<td :class="{ active: pointer === 1 }">2</td>
<td :class="{ active: pointer === 2 }">3</td>
</tr>
<tr>
<td :class="{ active: pointer === 7 }">4</td>
<td :class="{ active: pointer === 8 }">5</td>
<td :class="{ active: pointer === 3 }">6</td>
</tr>
<tr>
<td :class="{ active: pointer === 6 }">7</td>
<td :class="{ active: pointer === 5 }">8</td>
<td :class="{ active: pointer === 4 }">9</td>
</tr>
</table>
</template>
```
6. 在组件中添加开始抽奖按钮,以及绑定开始抽奖方法:
```
<template>
<div>
<table>
...
</table>
<button @click="start">开始抽奖</button>
</div>
</template>
```
完整代码如下:
```
<template>
<div>
<table>
<tr>
<td :class="{ active: pointer === 0 }">1</td>
<td :class="{ active: pointer === 1 }">2</td>
<td :class="{ active: pointer === 2 }">3</td>
</tr>
<tr>
<td :class="{ active: pointer === 7 }">4</td>
<td :class="{ active: pointer === 8 }">5</td>
<td :class="{ active: pointer === 3 }">6</td>
</tr>
<tr>
<td :class="{ active: pointer === 6 }">7</td>
<td :class="{ active: pointer === 5 }">8</td>
<td :class="{ active: pointer === 4 }">9</td>
</tr>
</table>
<button @click="start">开始抽奖</button>
</div>
</template>
<script>
export default {
data() {
return {
pointer: 0, // 指针位置
prizeIndex: 4, // 奖品位置
rotating: false // 是否正在旋转
};
},
methods: {
start() {
if (this.rotating) return;
this.rotating = true;
let interval = setInterval(() => {
this.pointer = (this.pointer + 1) % 9;
}, 100);
setTimeout(() => {
clearInterval(interval);
this.rotating = false;
if (this.pointer === this.prizeIndex) {
alert("恭喜您中奖了!");
} else {
alert("很遗憾,您没有中奖!");
}
}, 3000);
}
}
};
</script>
<style scoped>
table {
width: 200px;
height: 200px;
border-collapse: collapse;
}
td {
width: 30px;
height: 30px;
text-align: center;
vertical-align: middle;
border: 1px solid #ccc;
}
.active {
background-color: orange;
}
.pointer {
position: relative;
&::before,
&::after {
content: "";
position: absolute;
left: 50%;
transform: translateX(-50%);
width: 0;
height: 0;
border-style: solid;
border-width: 0 10px 20px 10px;
}
&::before {
top: -20px;
border-color: transparent transparent orange transparent;
}
&::after {
bottom: -20px;
border-color: orange transparent transparent transparent;
}
}
</style>
```