范围值显示组件，HTML代码在线实时编辑、实时预览

index.html

            
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            <!doctype html>
<html>
<head>
  <meta charset="UTF-8" />

  <!-- 引入 vue 入口文件 -->
  <script type="module" src="./main.js"></script>
  
</head>

<body>
  <div id="app"></div>
</body>

</html>

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main.js

            
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            import { createApp } from 'vue'
import './global.css'
import App from './App.vue'

createApp(App).mount('#app')

console.log(["Hello 笔.COOL 控制台"])

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App.vue

            
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            <!-- 参数范围 -->
<template>
  <div class="container-range">
    <div class="range-up">
      <template v-for="(item, indxe) in $prop.upRange">
        <div :style="{ width: item.width + 'px' }">
          {{ item.val }}
        </div>
      </template>
    </div>

    <div class="range-up-flag">
      <template v-for="(item, indxe) in $prop.valRange">
        <div :style="{ width: item.width + 'px' }"></div>
      </template>
    </div>

    <div class="range-val">
      <template v-for="(item, indxe) in $prop.valRange">
        <div :style="{ background: item.color, width: item.width + 'px' }"></div>
      </template>
    </div>

    <div class="range-down-flag">
      <template v-for="(item, indxe) in $prop.valRange">
        <div :style="{ width: item.width + 'px' }"></div>
      </template>
    </div>

    <div class="range-down">
      <template v-for="(item, indxe) in $prop.downRange">
        <div :style="{ width: item.width + 'px' }">
          {{ item.val }}
        </div>
      </template>
    </div>

    <div class="range-spot" :style="{ left: spotLeft + 'px' }"></div>
  </div>
</template>

<script lang="ts" setup>
import { ref } from "vue";

const $prop = ref({
      target: 1.2,
      valRange: [
        {
          width: 35,
          color: "#F88773",
          val: 0.42,
        },
        {
          width: 90,
          color: "#FECE40",
          val: 4.23,
        },
        {
          width: 35,
          color: "#BCDD6B",
          val: 10,
        },
      ],
      upRange: [
        {
          width: 25,
          val: "",
        },
        {
          width: 85,
          val: "0.42",
        },
        {
          width: 40,
          val: "4.23",
        },
      ],
      downRange: [
        {
          width: 2,
          val: "",
        },
        {
          width: 40,
          val: "",
        },
        {
          width: 40,
          val: "",
        },
      ],
    });

const spotLeft = ref(0);

comSpotPos();
//计算位置
function comSpotPos() {
  let size = 8; //黑点大小
  let target = $prop.value.target;
  let valRange = $prop.value.valRange;
  let l = 0;
  let pre = 0;
  for (let i = 0; i < valRange.length; i++) {
    let item = valRange[i];
    let val = Number(item.val);
    let w = item.width;
    if (target <= val) {
      l += (w / (val - pre)) * (target - pre);
      break;
    } else {
      pre = val;
      l += w;
    }
  }
  spotLeft.value = l - size/2;
}
</script>

<style scope>
.container-range {
  position: relative;
}

.range-up,
.range-val,
.range-down {
  display: flex;
  color: #4a4a53;
  height: 18px;
}
.range-up,
.range-down {
  align-items: center;
}
.range-val {
  height: 23px;
}

.range-up-flag,
.range-down-flag {
  display: flex;
  height: 3px;
}
.range-up-flag > div,
.range-down-flag > div {
  position: relative;
}
.range-up-flag > div:not(:last-child)::after {
  position: absolute;
  content: "";
  width: 1px;
  height: 2px;
  background: black;
  right: 0;
  bottom: 0;
}

.range-down-flag > div:not(:last-child)::after {
  position: absolute;
  content: "";
  width: 1px;
  height: 2px;
  background: black;
  right: 0;
  top: 0;
}

.range-spot {
  position: absolute;
  width: 8px;
  height: 8px;
  background: #4a4a53;
  border-radius: 50%;
  top: 28px;
}
</style>

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global.css

            
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            body {
  background-color: #fefefe;
}

#app{
  display: fles;
  justify-items: center;
  align-items: center;
}

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package.json

注意：新添加的依赖包首次加载可能会报错，稍后再次刷新即可

            
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            {
    "dependencies": {
      "vue": "3.5.15"
    }
  }

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