最近，在用swiper组件，初始化显示第几个slide，我用current，设置值，发现没有效果，始终都是第一张，有解决的么？

我也遇到这个问题，无法禁止微信默认的查看来源。禁用了下拉也会有问题。只能在h5下用。
后来勉强封装了一个,微信中要轻轻的下拉，暂停一会，才能触发，否则根本不会触发thouchend事件，所以，用cancel事件来复原下拉，要不在微信就没法复原了。我的封装组件：

import Taro, { Component } from '@tarojs/taro';
import { ScrollView, View } from '@tarojs/components';
import { AtActivityIndicator } from 'taro-ui';
import { getWindowHeight } from '@/utils/utils';
import './index.scss';

// 楼宇选择器
export default class WScroll extends Component {
  static defaultProps = {
    height: getWindowHeight(false, 0),
    upperThreshold: 50,
    lowerThreshold: 50,
    scrollY: true,
    onScroll: () => {},
    onScrollToUpper: () => {},
    onScrollToLower: () => {},
    reload: () => {}
  };
  constructor (props) {
    super(props)
    this.state = {
      // eslint-disable-next-line react/no-unused-state
      scrollTop: 0,
      downText: '下拉刷新',
      hide: true, // 提示元素隐藏
      // eslint-disable-next-line react/no-unused-state
      flage: false, // 执行刷新函数标志位
      // eslint-disable-next-line react/no-unused-state
      transitionWidth: 0 // 保证能进入【下拉刷新】就能继续【释放更新】的变量,
    }
  }
  componentDidMount = () => {
    if (process.env.TARO_ENV === 'h5') {
      this.wrapBoxHandle()
      this.refresh()
    }
  };
  // 滚动时触发
  onScroll = event => {
    // 只有scrollTop为0，才可以下拉刷新
    if (event.detail.scrollTop <= 100) {
      // eslint-disable-next-line react/no-unused-state
      this.setState({ scrollTop: event.detail.scrollTop })
    }
    this.props.onScroll(event)
  };
  // 滚动到顶部/左边，会触发 scrolltoupper 事件
  onScrollToUpper = event => {
    this.props.onScrollToUpper(event)
  };
  // 滚动到底部/右边，会触发 scrolltolower 事件，滚动底部，下一页
  onScrollToLower = event => {
    this.props.onScrollToLower(event)
  };
  refresh = () => {
    // 下拉刷新功能函数
    let that = this
    let _element = document.getElementById('refreshContainer'),
      _startPos = 0,
      _startX = 0,
      _transitionWidth = 0,
      _transitionHeight = 0

    _element.addEventListener(
      'touchstart',
      function (e) {
        _startPos = e.touches[0].pageY
        _startX = e.touches[0].pageX
        _element.style.position = 'relative';
        _element.style.transition = 'transform 0s';
        that.setState({
          flage: false
        })
      },
      false
    )
    _element.addEventListener(
      'touchmove',
      function (e) {
        if (that.state.transitionWidth === 0) {
          // 阻止其频繁变动，保证能进入【下拉刷新】就能继续【释放更新】
          _transitionWidth = Math.abs(e.touches[0].pageX - _startX) // 防止横向滑动
        }
        _transitionHeight = e.touches[0].pageY - _startPos

        if (
          that.state.scrollTop === 0 &&
          _transitionWidth < 10 &&
          _transitionHeight > 0 &&
          _transitionHeight < 60
        ) {
          that.setState({
            hide: false,
            downText: '下拉刷新',
            transitionWidth: _transitionWidth // 保证能进入【下拉刷新】就能继续【释放更新】
          })
          if (_transitionHeight > 30) {
            _element.style.transform = 'translateY(30px)';
            that.setState({
              downText: '释放更新',
              flage: true,
              transitionWidth: 0 // 一个流程走完，重置
            })
          }
        }
      },
      false
    )
    _element.addEventListener(
      'touchend',
      function (e) {
        _element.style.transition = 'transform 0.5s';
        _element.style.transform = 'translateY(0px)';
        if (that.state.flage) {
          // 标志下滑的值达到刷新，就执行刷新函数
          that.setState({
            downText: '正在刷新...'
          })
          that.props.reload({ type: 'refresh', page: 1 }).then(() => {
            that.setState({
              hide: true
            })
          })
        } else {
          that.setState({
            hide: true
          })
        }
      },
      false
    )
    _element.addEventListener(
      'touchcancel',
      function (e) {
        _element.style.transition = 'transform 0.5s';
        _element.style.transform = 'translateY(0px)';
        that.setState({
          hide: true
        })
      },
      false
    )
  };
  wrapBoxHandle = () => {
    // 兼容Android，解决下拉触发微信网页的下拉。
    let that = this
    let _element = document.getElementById('app'),
      _startPos = 0,
      _transitionHeight = 0
    _element.addEventListener(
      'touchstart',
      function (e) {
        _startPos = e.touches[0].pageY
      },
      false
    )
    _element.addEventListener(
      'touchmove',
      function (e) {
        _transitionHeight = e.touches[0].pageY - _startPos
        console.log(that.state.scrollTop, _transitionHeight)
        if (that.state.scrollTop === 0 && _transitionHeight > 0) {
          // 位于滚动元素顶部并且向下滑动时
          e.preventDefault() // 取消事件的默认动作。可屏蔽android端微信网页自带的拉下动作。
        }
      },
      false
    )
  };
  render () {
    const { downText, hide } = this.state
    const { height, lowerThreshold, upperThreshold, scrollY } = this.props
    return (
      <View className='wx-scroll' style={{ height: height }}>
        {!hide && (
          <View className='wx-scroll__down'>
            <AtActivityIndicator content={downText}></AtActivityIndicator>
          </View>
        )}
        <ScrollView
          id='refreshContainer'
          scrollWithAnimation
          className='wx-scroll-view'
          scrollY={scrollY}
          style={{ height: height }}
          lowerThreshold={lowerThreshold}
          upperThreshold={upperThreshold}
          onScrollToLower={this.onScrollToLower}
          onScrollToUpper={this.onScrollToUpper}
          onScroll={this.onScroll}
        >
          <View id='RefreshContainer-scroll'>{this.props.children}</View>
        </ScrollView>
      </View>
    )
  }
}

Taro的swiper组件，onChange中怎么获取source的值？？

问题：Taro中，Swiper中onChange，没有找到source字段