wxmini/dist/progress/index.js

import { VantComponent } from '../common/component';
import { BLUE } from '../common/color';
VantComponent({
    props: {
        inactive: Boolean,
        percentage: Number,
        pivotText: String,
        pivotColor: String,
        showPivot: {
            type: Boolean,
            value: true
        },
        color: {
            type: String,
            value: BLUE
        },
        textColor: {
            type: String,
            value: '#fff'
        }
    },
    data: {
        pivotWidth: 0,
        progressWidth: 0
    },
    watch: {
        pivotText: 'getWidth',
        showPivot: 'getWidth'
    },
    computed: {
        portionStyle() {
            const width = (this.data.progressWidth - this.data.pivotWidth) * this.data.percentage / 100 + 'px';
            const background = this.getCurrentColor();
            return `width: ${width}; background: ${background}; `;
        },
        pivotStyle() {
            const color = this.data.textColor;
            const background = this.data.pivotColor || this.getCurrentColor();
            return `color: ${color}; background: ${background}`;
        },
        text() {
            return this.data.pivotText || this.data.percentage + '%';
        }
    },
    mounted() {
        this.getWidth();
    },
    methods: {
        getCurrentColor() {
            return this.data.inactive ? '#cacaca' : this.data.color;
        },
        getWidth() {
            this.getRect('.van-progress').then(rect => {
                this.set({
                    progressWidth: rect.width
                });
            });
            this.getRect('.van-progress__pivot').then(rect => {
                this.set({
                    pivotWidth: rect.width || 0
                });
            });
        }
    }
});