Files
ZhHealth/components/vueScale/index.vue
2022-01-11 17:15:00 +08:00

338 lines
9.3 KiB
Vue

<template>
<view class="scroll-choose-all">
<view class="middleLine">
<span class="sanjiao"></span>
</view>
<scroll-view
class="scroll-choose"
scroll-x="true"
upper-threshold="5"
lower-threshold="5"
:scroll-left="scrollLeftInit"
show-scrollbar="false"
@scroll="scroll"
@scrolltoupper="upper"
@scrolltolower="lower"
scroll-with-animation="true"
>
<view
class="scroll-con"
:style="{width: scrollWid}"
>
<view class="topLine">
<view
class="allLine"
:style="{'marginRight': maginL + 'px'}"
:class="item.type"
v-for="(item,index) in scrollList"
:key="index"
></view>
</view>
<view
class="bottomNum"
:style="{'paddingLeft': allNumLeft}"
>
<text
class="allNum"
:style="{width: (maginL + 2) * 10 + 'px',left: -((maginL + 2) * 5) + 'px'}"
v-for="(item,index) in scrollNumList"
:key="index"
>
{{radix ? item*0.1 : item}}
</text>
</view>
</view>
</scroll-view>
</view>
</template>
<script>
export default {
name: "ScrollChoose",
props: {
//起始值和终止值差距不要过大,否则会影响页面性能(暂不支持设置小数)
/**
* 初始值(注意:初始值应在起始值和终止值之间)
*/
scrollLeft: {
type: Number,
default: 0,
},
/**
* 滚动区域起始值(注意:起始值不能大于终止值)
*/
scrollStart: {
type: Number,
default: 20,
},
/**
* 滚动区域终止值
*/
scrollEnd: {
type: Number,
default: 240,
},
/**
* 线间距
*/
maginL: {
type: Number,
default: 10,
},
/**
* 小数
*/
radix: {
type: Boolean,
default: false,
},
},
data() {
return {
scrollList: [],
scrollNumList: [],
scrollWid: "100vw",
scrollLeftInit: 0,
allNumLeft: "",
timer: {},
};
},
mounted() {
this.init();
},
watch: {
radix: {
handler(val) {
this.init();
},
},
},
computed: {},
methods: {
init() {
this.scrollList = [];
this.scrollNumList = [];
for (let i = this.scrollStart; i < this.scrollEnd + 1; i++) {
let _line = {};
if (i % 5 == 0) {
if (i % 10 == 0) {
this.scrollNumList.push(i);
_line.type = "LLine";
} else {
_line.type = "MLine";
}
} else {
if (!this.radix) {
_line.type = "SLine";
}
}
this.scrollList.push(_line);
}
this.scrollWid =
uni.upx2px(750) +
(this.scrollEnd - this.scrollStart) * (this.maginL + 2) +
"px";
if (this.scrollStart % 10 != 0) {
if (this.scrollStart > 0) {
this.allNumLeft =
(10 - (this.scrollStart % 10)) * (this.maginL + 2) +
uni.upx2px(372) +
"px";
} else {
this.allNumLeft =
Math.abs(this.scrollStart % 10) * (this.maginL + 2) +
uni.upx2px(372) +
"px";
}
}
setTimeout(() => {
this.changScroll(
Math.round(
(this.scrollLeft - this.scrollStart) * (this.maginL + 2)
)
);
}, 100);
},
changScroll(scrollLeft) {
if (!this.radix)
this.$emit(
"scroll",
Math.round(
scrollLeft / (this.maginL + 2) + this.scrollStart
)
);
clearTimeout(this.timer);
this.timer = setTimeout(() => {
let scrollLen = (
Number(scrollLeft / (this.maginL + 2)) + this.scrollStart
).toFixed(1);
console.log(typeof scrollLen);
this.scrollLeftInit =
(scrollLen - this.scrollStart) * (this.maginL + 2);
this.$emit("scroll", scrollLen);
// //#region
// if (this.radix) {
// if (
// scrollLen > 10 &&
// (scrollLen % 5 != 0 || scrollLen % 10 != 0)
// ) {
// let strNum = Number(
// scrollLen
// .toString()
// .charAt(scrollLen.toString().length - 1)
// );
// if (strNum <= 3) {
// scrollLen -= strNum;
// } else if (strNum > 7) {
// scrollLen += 10 - strNum;
// } else if (strNum > 3 && strNum < 5) {
// scrollLen += 5 - strNum;
// } else if (strNum <= 7) {
// scrollLen += 5 - strNum;
// }
// console.log(strNum);
// }
// this.scrollLeftInit =
// (scrollLen - this.scrollStart) * (this.maginL + 2);
// this.$emit("scroll", scrollLen * 0.1);
// } else {
// this.scrollLeftInit =
// (scrollLen - this.scrollStart) * (this.maginL + 2);
// this.$emit("scroll", scrollLen);
// }
////#endregion
}, 50);
},
upper: function (e) {
setTimeout(() => {
// console.log('----' + this.scrollStart)
// this.$emit('scroll', this.radix ? this.scrollStart * 0.1 : this.scrollStart);
}, 50);
},
lower: function (e) {
setTimeout(() => {
// console.log('v----' + this.scrollStart)
// this.$emit('scroll', this.radix ? this.scrollStart * 0.1 : this.scrollStart);
}, 50);
},
scroll: function (e) {
this.changScroll(e.detail.scrollLeft);
},
},
};
</script>
<style lang="scss" scoped>
@charset "UTF-8";
// * {
// touch-action: none;
// }
.scroll-choose-all {
width: 750rpx;
height: 100px;
background: rgba($color: $main-color, $alpha: 0.1);
margin: 10px 0;
// border-bottom: 1px solid #ccc;
// border-top: 1px solid #ccc;
position: relative;
}
.sanjiao {
width: 0;
height: 0;
border-radius: 10rpx;
border-right: 25rpx solid transparent;
border-left: 25rpx solid transparent;
border-top: 25rpx solid $main-color;
position: relative;
left: -22rpx;
top: 18rpx;
z-index: 2;
}
.middleLine {
position: absolute;
width: 2px;
height: 32px;
background: $main-color;
left: 375rpx;
margin-left: -5rpx;
z-index: 1;
}
.middleLine:after {
width: 0;
height: 0;
border-left: 50px solid transparent;
border-right: 50px solid transparent;
border-bottom: 100px solid $main-color;
}
.scroll-choose {
width: 750rpx;
height: 100px;
.scroll-con {
height: 100px;
overflow: hidden;
.topLine {
height: 70px;
padding: 0 372rpx;
}
.bottomNum {
height: 70px;
padding: 0 0 0 372rpx;
width: 100%;
// display: flex;
// flex-wrap: nowrap;
.allNum {
display: inline-block;
position: relative;
// width: 70px;
// left: -35px;
text-align: center;
font-size: $title-size;
color: #999;
}
}
.allLine {
display: inline-block;
// margin-right: 5px;
width: 2px;
// background: #999;
position: relative;
}
.allLine:last-child {
margin-right: 0px !important;
}
.LLine {
height: 60px;
background: #dddddd;
}
.MLine {
height: 50px;
top: -10px;
background-color: #dddddd;
}
.SLine {
height: 35px;
top: -15px;
background: #ebebeb;
}
}
}
</style>