uniapp移动端悬浮按钮(吸附边缘)

2023-12-13 10:36:39

Uniapp移动端悬浮按钮可以通过CSS实现吸附边缘的效果。具体实现步骤如下:

html:

<movable-area class="movable-area">
			<movable-view class="movable-view" :position="position" :x="x" :y="y" :direction="direction"
				:damping="damping" @change="onChange" @touchend="onTouchend" @click="record">
				<image :src="url+'/uploads/20231209/45a4381a8d120d73e310d10ad5aadc41.png'" mode="widthFix"
					class="iconImage"></image>
			</movable-view>
		</movable-area>

js:

export default {
		data() {
			return {
				x: 364, //x坐标
				y: 700, //y坐标
				x1: 0,
				x2: 0,
				y1: 0,
				y2: 0,
				move: {
					x: 0,
					y: 0
				}
			}
		},
		onLoad() {
		},
		props: {
			damping: {
				type: Number,
				default: 10
			},
			direction: {
				type: String,
				default: "all"
			},
			position: {
				type: Number,
				default: 4
			},
		},
		mounted() {
			uni.getSystemInfo({
				success: (res) => {
					this.x1 = 0;
					this.x2 = parseInt(res.windowWidth) - 50;
					this.y1 = 0;
					this.y2 = parseInt(res.windowHeight) - 20;
					setTimeout(() => {
						if (this.position == 1 || this.position == 2) this.y = parseInt(this.y2 * 0.2);
						if (this.position == 3 || this.position == 4) this.y = parseInt(this.y2 * 0.8);
						if (this.position == 1 || this.position == 3) this.x = parseInt(this.x1);
						if (this.position == 2 || this.position == 4) this.x = parseInt(this.x2);
						this.move.x = this.x;
						this.move.y = this.y;
					}, 1000)
				}
			})
		},
		methods: {
			onChange(e) {
				if (e.detail.source == "touch") {
					this.move.x = e.detail.x;
					this.move.y = e.detail.y;
				}
			},
			onTouchend() {
				this.x = this.move.x;
				this.y = this.move.y;
				setTimeout(() => {
					if (this.move.x < this.x2 / 2) this.x = this.x1;
					else this.x = this.x2;
					console.log(this.x, this.y)
				}, 100)
			}
		}

css:

.iconImage {
?? ??? ?display: block;
?? ??? ?width: 120rpx;
?? ??? ?height: 120rpx;
?? ??? ?animation: iconImage 5s linear infinite;
?? ?}

?? ?@keyframes iconImage {
?? ??? ?0% {
?? ??? ??? ?-webkit-transform: rotate(0deg);
?? ??? ?}

?? ??? ?25% {
?? ??? ??? ?-webkit-transform: rotate(90deg);
?? ??? ?}

?? ??? ?50% {
?? ??? ??? ?-webkit-transform: rotate(180deg);
?? ??? ?}

?? ??? ?75% {
?? ??? ??? ?-webkit-transform: rotate(270deg);
?? ??? ?}

?? ??? ?100% {
?? ??? ??? ?-webkit-transform: rotate(360deg);
?? ??? ?}
?? ?}

?? ?.contact {
?? ??? ?width: 50px;
?? ??? ?height: 50px;
?? ??? ?overflow: hidden;
?? ??? ?position: absolute;
?? ??? ?left: 0px;
?? ??? ?top: 0px;
?? ??? ?border-radius: 100%;
?? ??? ?opacity: 0;
?? ?}

?? ?.movable-area {
?? ??? ?height: 100vh;
?? ??? ?width: 750rpx;
?? ??? ?top: 0;
?? ??? ?position: fixed;
?? ??? ?pointer-events: none;
?? ??? ?z-index: 9999999;
?? ?}

?? ?.movable-view {
?? ??? ?width: 96rpx;
?? ??? ?height: 96rpx;
?? ??? ?background-color: #2561EF;
?? ??? ?border-radius: 50%;
?? ??? ?pointer-events: auto;
?? ??? ?position: relative;
?? ??? ?z-index: 9999999;
?? ??? ?display: flex;
?? ??? ?align-items: center;
?? ??? ?justify-content: center;
?? ?}

?? ?.movable-view image {
?? ??? ?width: 50rpx;
?? ??? ?height: 50rpx;
?? ?}

文章来源:https://blog.csdn.net/m0_72603435/article/details/134903912
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