滑块验证 vue3 step代码
时间: 2023-07-09 13:06:15 浏览: 92
vue 登录滑动验证实现代码
5星 · 资源好评率100%
以下是一个基于 Vue 3 的滑块验证组件示例,其中包括一些用于处理滑块操作的步骤代码:
```
<template>
<div class="slider-verify">
<div class="slider-bg"></div>
<div class="slider-bar" :style="{ left: barLeft }" @mousedown="onMouseDown"></div>
<div class="slider-text">{{ sliderText }}</div>
</div>
</template>
<script>
import { reactive, toRefs } from 'vue';
export default {
name: 'SliderVerify',
props: {
successText: {
type: String,
default: '验证成功',
},
failText: {
type: String,
default: '验证失败,请重试',
},
verifyDistance: {
type: Number,
default: 200,
},
},
setup(props) {
const state = reactive({
isDragging: false,
barLeft: '0px',
sliderText: '请按住滑块拖动',
});
const onMouseDown = (e) => {
e.preventDefault();
state.isDragging = true;
const startX = e.clientX;
const onMouseMove = (e) => {
if (state.isDragging) {
const deltaX = e.clientX - startX;
const newLeft = Math.min(Math.max(0, deltaX), props.verifyDistance);
state.barLeft = `${newLeft}px`;
}
};
const onMouseUp = () => {
state.isDragging = false;
if (parseInt(state.barLeft) >= props.verifyDistance) {
state.sliderText = props.successText;
// 触发验证成功事件
emit('success');
} else {
state.sliderText = props.failText;
// 触发验证失败事件
emit('fail');
}
// 清除事件监听器
document.removeEventListener('mousemove', onMouseMove);
document.removeEventListener('mouseup', onMouseUp);
};
document.addEventListener('mousemove', onMouseMove);
document.addEventListener('mouseup', onMouseUp);
};
return {
...toRefs(state),
onMouseDown,
};
},
};
</script>
<style scoped>
.slider-verify {
position: relative;
width: 300px;
height: 50px;
margin: 20px auto;
}
.slider-bg {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: #ccc;
border-radius: 25px;
}
.slider-bar {
position: absolute;
top: 0;
left: 0;
width: 50px;
height: 50px;
background-color: #007aff;
border-radius: 25px;
cursor: pointer;
transition: left 0.2s ease-in-out;
}
.slider-text {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
font-size: 16px;
color: #333;
}
</style>
```
在这个示例中,我们使用了 `reactive` 和 `toRefs` 来创建响应式数据,并将 `barLeft` 和 `sliderText` 绑定到了模板中。在 `onMouseDown` 处理函数中,我们通过 `document` 对象监听了 `mousemove` 和 `mouseup` 事件,并在拖动结束后根据拖动距离判断验证是否成功,然后触发相应的事件。最后,我们将 `onMouseDown` 函数暴露出来,以便在模板中调用。
阅读全文