
<div class="callback float" @click="onClick" @mousedown="down" @touchstart="down" @mouSEMove="move" @touchmove="move" @mouseup="end" @touchend="end" ref="fu" > <!-- <p @click="callback">返回</p> --> <img @click="callback" src="@/assets/images/callbs.jpg" alt /> </div>
CSS代码:
<style scoped>
.callback p {
font-size: 16px;
color: #fff;
background: rgba(56, 57, 58, 0.5);
border-radius: 50%;
text-align: center;
width: 50px;
height: 50px;
line-height: 50px;
font-family: PingFang SC;
font-weight: 600;
box-shadow: 0 0 10px #fff;
}
.callback img {
display: block;
width: 50px;
height: 50px;
box-shadow: 0 0 10px rgb(133, 129, 129);
border-radius: 50%;
background: #fff;
}
.callback {
position: fixed;
top: 40px;
left: 20px;
z-index: 99999;
}
.float {
position: fixed;
right: 20px;
top: 60%;
touch-action: none;
text-align: center;
width: 50px;
height: 50px;
border-radius: 24px;
line-height: 48px;
color: white;
}
</style>JS代码:
data() { return { isloading: false, flags: false, //控制使用 position: { x: 0, y: 0, }, nx: "", ny: "", dx: "", dy: "", xPum: "", yPum: "", }; }, methods: { callback() { this.$Router.go(-1); }, onRefresh() { // window.location.reload(); setTimeout((res) => { console.log(res); this.isLoading = false; }, 1000); }, down() { this.flags = true; var touch; if (event.touches) { touch = event.touches[0]; } else { touch = event; } this.position.x = touch.clientX; this.position.y = touch.clIEntY; this.dx = this.$refs.fu.offsetLeft; this.dy = this.$refs.fu.offsetTop; }, move() { if (this.flags) { var touch; if (event.touches) { touch = event.touches[0]; } else { touch = event; } this.nx = touch.clientX - this.position.x; this.ny = touch.clientY - this.position.y; this.xPum = this.dx + this.nx; this.yPum = this.dy + this.ny; let width = window.innerWidth - this.$refs.fu.offsetWidth; //屏幕宽度减去自身控件宽度 let height = window.innerHeight - this.$refs.fu.offsetHeight; //屏幕高度减去自身控件高度 this.xPum < 0 && (this.xPum = 0); this.yPum < 0 && (this.yPum = 0); this.xPum > width && (this.xPum = width); this.yPum > height && (this.yPum = height); // if (this.xPum >= 0 && this.yPum >= 0 && this.xPum<= width &&this.yPum<= height) { this.$refs.fu.style.left = this.xPum + "px"; this.$refs.fu.style.top = this.yPum + "px"; // } //阻止页面的滑动默认事件 document.addEventListener( "touchmove", function () { event.PReventdefault(); }, false ); } }, //鼠标释放时候的函数 end() { this.flags = false; }, onClick() { //在这里我是作为子组件来使用的 this.$Emit("click"); }, },







网友评论文明上网理性发言 已有0人参与
发表评论: