组件c-progress的使用

导入

import CProgress from './../components/c-progress'

使用

<c-progress class="c-progress" :percent="70" @percentChange="onPercentChange" />
<c-progress class="c-progress" :percent="70" :show-slider="true" :show-per-text="false"/>
<c-progress class="c-progress" :percent="70" :show-slider="true" :width="400"/>
<c-progress class="c-progress" :percent="70" :show-slider="true" :width="200" :slider-width="15"/>
<c-progress class="c-progress" :percent="80" :show-slider="false" progress-color="red"/>
<c-progress class="c-progress" :percent="80" :show-slider="false" type="warning"/>
<c-progress class="c-progress" :percent="80" :show-slider="false" type="fail"/>
<c-progress class="c-progress" :percent="90" :show-slider="true" type="success" />

组件的属性

组件的事件

<c-progress class="c-progress" :percent="70" @percentChange="onPercentChange" />

onPercentChange (per) {
    console.log(per)
}

组件源码

            setProgressStyle () {
                const color = colorTable[this.type] || this.progressColor
                return {
                    width: `${this.progressWidth}px`,
                    background: color
                }
            },
            // 设置滑块的样式
            setSliderStyle () {
                const color = colorTable[this.type] || this.progressColor
                return {
                    border: `1px solid ${color}`,
                    width: `${this.sliderWidth}px`,
                    height: `${this.sliderWidth}px`,
                    left: `${this.sliderLeft}px`
                }
            }
        },
        mounted () {
            this.sliderLeft = this.width / 100 * this.percent
            this.progressWidth = this.sliderLeft + this.sliderWidth // 滑块的x坐标加上滑块的宽度
            this.tempPercent = this.percent
            this.addListener()
        },
        methods: {
            addListener () {
                const slider = this.$refs.slider
                const progress = this.$refs.progress
                let isClickSlider = false
                let distance = 0 // 滑块与点击坐标的绝对距离
                progress.onclick = (e) => {
                    // 阻止事件冒泡
                    if (e.target == slider) {
                        return
                    }
                    let curX = progress.offsetLeft
                    this.sliderLeft = e.offsetX - curX
                    if (this.sliderLeft <= 0) {
                        this.sliderLeft = 0
                    }
                    if (this.sliderLeft >= this.width) {
                        this.sliderLeft = this.width
                    }
                    this._countCurPercent()
                }
                slider.onmousedown = (e) => {
                    isClickSlider = true
                    let curX = slider.offsetLeft
                    distance = e.pageX - curX // 得出绝对距离
                }
                progress.onmousemove = (e) => {
                    if (isClickSlider) {
                        // 判断是否已经超出进度条的长度
                        if ((e.pageX - distance) >= 0 && (e.pageX - distance) <= (this.width - 0)) {
                            this.sliderLeft = e.pageX - distance
                            this._countCurPercent()
                        }
                    }
                }
                progress.onmouseup = () => {
                    isClickSlider = false
                }
            },
            // 算出百分比
            _countCurPercent () {
                this.tempPercent = Math.ceil(parseInt(this.sliderLeft / this.width * 100))
                this.progressWidth = this.sliderLeft + 20
                // 取整的时候宽度可能不为0，所以在0和100的时候也将宽度取整
                if (this.tempPercent <= 0) {
                    this.progressWidth = 0
                    this.sliderLeft = 0
                }
                if (this.tempPercent >= 100) {
                    this.progressWidth = this.width + 20
                    this.sliderLeft = this.width
                }
                this.$emit('percentChange', this.tempPercent)
            }
        }
    }
</script>

<style scoped lang="scss">
  .c-progress {
    $width: 300px;
    $radius: 5px;
    display: flex;
    align-items: center;
    
    span {
      margin-left: 5px;
      font-size: 14px;
      color: #666;
    }
    
    .c-progress-outer {
      width: $width;
      height: 10px;
      border-radius: $radius;
      background: #ebeef5;
      position: relative;
      display: flex;
      align-items: center;
      
      .c-progress-inner {
        width: 100px;
        height: 10px;
        background: #409EFF;
        border-radius: $radius;
      }
      
      .c-progress-slider {
        width: 20px;
        height: 20px;
        border-radius: 50%;
        background: #fff;
        border: 1px solid #409EFF;
        position: absolute;
        z-index: 10;
        left: 10px;
      }
    }
  }
</style>

效果图