vue 斑马线进度条,渐变进度条

2023-12-20 19:18:58

功能:

  • 自定义渐变(是否渐变,渐变颜色)
  • 自定义斑马线(角度,宽度)
  • 自定义百分比位置以及前缀文字、后缀文字
  • 自定义动画时间

1 进度条

<template>
  <div class="wrapper" :style="{ width: width, height: height }">
    <div class="progress">
      <div
        class="bg"
        :style="{
          width: curProgress,
          background: percent >= 100 ? '#00EE00' : background,
          backgroundSize: backgroundSize,
        }"
      ></div>
    </div>
  </div>
</template>
<script setup lang="ts">
import { computed, onMounted, onBeforeUnmount } from "vue";

const props = defineProps({
  width: {
    type: Number, // 进度条总宽度
    default: 300,
  },
  height: {
    type: Number, // 进度条高度
    default: 10,
  },
  percent: {
    type: Number, // 当前进度
    default: 50,
  },
  stripeAngle: {
    type: Number, // 进度条线的角度  和-x的夹角,顺时针
    default: 45,
  },
  stripe: {
    type: Array, // 进度条斑马线数组
    default: () => [
      {
        color: "#FF4500",
        width: 15,
      },
      {
        color: "#00EE00",
        width: 15,
      },
      {
        color: "#00FFFF",
        width: 15,
      },
    ],
  },
  gradient: {
    type: Boolean, // 渐变
    default: false,
  },
  duration: {
    type: Number, //动画时间
    default: 2,
  },
  animation: {
    type: String,
    default: "move",
  },
});

const width = computed(() => {
  return props.width ? `${props.width}px` : "100%";
});
const height = computed(() => {
  return props.height ? `${props.height}px` : "100%";
});
const curProgress = computed(() => {
  return (props.percent >= 100 ? 100 : props.percent) + "%";
});
const background = computed(() => {
  const positions = [];
  const stripeCopy = JSON.parse(JSON.stringify(props.stripe));
  if (props.gradient) {
    stripeCopy.push(stripeCopy[0]);
  }
  stripeCopy.forEach((s, index) => {
    const sum = stripeCopy.slice(0, index).reduce((a, b) => a + b.width, 0);
    if (!props.gradient) {
      positions.push(sum);
    }
    positions.push(sum + s.width);
  });
  return `repeating-linear-gradient(
       ${props.stripeAngle}deg, ${stripeCopy
    .map((s, index) => {
      if (!props.gradient) {
        return `${s.color} ${positions[index]}px, ${s.color} ${
          positions[2 * index + 1]
        }px`;
      }
      return `${s.color} ${positions[index]}px`;
    })
    .join(",")})`;
});
const totalStripeWidth = computed(() => {
  return props.stripe.reduce((a, b) => a + b.width, 0);
});
const backgroundSize = computed(() => {
  let size = "";
  if (props.stripeAngle === 0) {
    size = "";
  }
  if (props.stripeAngle % 90 === 0) {
    size = `${totalStripeWidth.value}px ${props.height}px`;
  } else {
    size = `${
      totalStripeWidth.value / Math.sin((props.stripeAngle * Math.PI) / 180)
    }px ${props.height}px`;
  }
  return size;
});

onMounted(() => {
  initAnimation();
});
onBeforeUnmount(() => {
  document.styleSheets[0].deleteRule(0);
  document.styleSheets[0].deleteRule(1);
});
const initAnimation = () => {
  document.styleSheets[0].insertRule(
    `@keyframes move{
         from {
           background-position: 0 0;
         }
         to {
           background-position: ${
             totalStripeWidth.value /
             Math.sin((props.stripeAngle * Math.PI) / 180)
           }px 0;
         }
       }`,
    0
  );

  document.styleSheets[0].insertRule(
    `.bg {
              animation: ${props.animation} ${props.duration}s linear infinite
           }`,
    1
  );
};
</script>
<style lang="scss" scoped>
.wrapper {
  width: 100%;
  position: relative;
  display: flex;
  align-items: center;

  .progress {
    height: 100%;
    display: inline-block;
    width: 100%;
    background: #c7c7c7;
    border-radius: 100px;
    display: flex;
    justify-content: space-between;
    .bg {
      height: 100%;
      text-align: center;
      border-radius: 100px;
      transition: all 0.3s cubic-bezier(0.08, 0.82, 0.17, 1);
    }
  }
}

.percent {
  font-size: 14px;
  line-height: 24px;
  font-weight: bold;
  color: rgba(0, 0, 0, 0.45);
}
</style>

动图(省略)

2 增加百分比显示,位置选择以及前缀后缀文字


<template>
  <div class="wrapper" :style="{ width: width, height: height }">
    <slot name="prefix">
      <span v-if="prefix" class="prefix">
        {{ prefix }}
      </span>
    </slot>
    <div class="progress">
      <div
        class="bg"
        :style="{
          width: curProgress,
          background: percent >= 100 ? '#00EE00' : background,
          backgroundSize: backgroundSize,
        }"
      >
        <span
          v-if="position === 3 && percent >= 10"
          class="percent"
          :style="{
            fontSize: height,
            lineHeight: height,
            color: 'rgba(0, 0, 0, 0.8)',
          }"
        >
          {{ curProgress }}
        </span>
      </div>
      <span
        v-if="position === 2 || percent < 10"
        class="percent"
        :style="{
          fontSize: height,
          lineHeight: height,
          marginRight: '10px',
        }"
      >
        {{ curProgress }}
      </span>
    </div>
    <span
      v-if="position === 1"
      class="percent"
      :style="{
        marginLeft: '10px',
      }"
    >
      {{ curProgress }}
    </span>
    <slot name="suffix">
      <span v-if="suffix" class="suffix">
        {{ suffix }}
      </span>
    </slot>
  </div>
</template>
<script setup lang="ts">
import { computed, onMounted, onBeforeUnmount } from "vue";

const props = defineProps({
  width: {
    type: Number, // 进度条总宽度
    default: 300,
  },
  height: {
    type: Number, // 进度条高度
    default: 10,
  },
  percent: {
    type: Number, // 当前进度
    default: 50,
  },
  stripeAngle: {
    type: Number, // 进度条线的角度  和-x的夹角,顺时针
    default: 45,
  },
  stripe: {
    type: Array, // 进度条斑马线数组
    default: () => [
      {
        color: "#FF4500",
        width: 15,
      },
      {
        color: "#00EE00",
        width: 15,
      },
      {
        color: "#00FFFF",
        width: 15,
      },
    ],
  },
  gradient: {
    type: Boolean, // 渐变
    default: false,
  },
  prefix: {
    type: String, //前缀
    default: "",
  },
  suffix: {
    type: String, //后缀
    default: "",
  },
  position: {
    type: Number, // 百分比位置 0 不显示 1 外部  2 内部  3 进度条上
    default: 1,
  },
  duration: {
    type: Number, //动画时间
    default: 2,
  },
  animation: {
    type: String,
    default: "move",
  },
});

const width = computed(() => {
  return props.width ? `${props.width}px` : "100%";
});
const height = computed(() => {
  return props.height ? `${props.height}px` : "100%";
});
const curProgress = computed(() => {
  return (props.percent >= 100 ? 100 : props.percent) + "%";
});
const background = computed(() => {
  const positions = [];
  const stripeCopy = JSON.parse(JSON.stringify(props.stripe));
  if (props.gradient) {
    stripeCopy.push(stripeCopy[0]);
  }
  stripeCopy.forEach((s, index) => {
    const sum = stripeCopy.slice(0, index).reduce((a, b) => a + b.width, 0);
    if (!props.gradient) {
      positions.push(sum);
    }
    positions.push(sum + s.width);
  });
  return `repeating-linear-gradient(
       ${props.stripeAngle}deg, ${stripeCopy
    .map((s, index) => {
      if (!props.gradient) {
        return `${s.color} ${positions[index]}px, ${s.color} ${
          positions[2 * index + 1]
        }px`;
      }
      return `${s.color} ${positions[index]}px`;
    })
    .join(",")})`;
});
const totalStripeWidth = computed(() => {
  return props.stripe.reduce((a, b) => a + b.width, 0);
});
const backgroundSize = computed(() => {
  let size = "";
  if (props.stripeAngle === 0) {
    size = "";
  }
  if (props.stripeAngle % 90 === 0) {
    size = `${totalStripeWidth.value}px ${props.height}px`;
  } else {
    size = `${
      totalStripeWidth.value / Math.sin((props.stripeAngle * Math.PI) / 180)
    }px ${props.height}px`;
  }
  return size;
});

onMounted(() => {
  initAnimation();
});
onBeforeUnmount(() => {
  document.styleSheets[0].deleteRule(0);
  document.styleSheets[0].deleteRule(1);
});
const initAnimation = () => {
  document.styleSheets[0].insertRule(
    `@keyframes move{
         from {
           background-position: 0 0;
         }
         to {
           background-position: ${
             totalStripeWidth.value /
             Math.sin((props.stripeAngle * Math.PI) / 180)
           }px 0;
         }
       }`,
    0
  );

  document.styleSheets[0].insertRule(
    `.bg {
              animation: ${props.animation} ${props.duration}s linear infinite
           }`,
    1
  );
};
</script>
<style lang="scss" scoped>
.wrapper {
  width: 100%;
  position: relative;
  display: flex;
  align-items: center;

  .prefix,
  .suffix {
    font-size: 14px;
    color: #000;
    position: absolute;
    left: -70px;
  }

  .progress {
    height: 100%;
    display: inline-block;
    width: 100%;
    background: #c7c7c7;
    border-radius: 100px;
    display: flex;
    justify-content: space-between;
    .bg {
      height: 100%;
      text-align: center;
      border-radius: 100px;
      transition: all 0.3s cubic-bezier(0.08, 0.82, 0.17, 1);
    }
  }
}

.percent {
  font-size: 14px;
  line-height: 24px;
  font-weight: bold;
  color: rgba(0, 0, 0, 0.45);
}
</style>

默认效果:

改变斑马线角度:

改变斑马线宽度:

开启渐变:

改变百分比位置:

动图(省略)

文章来源:https://blog.csdn.net/weixin_56624286/article/details/135069869
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