代码示例

import Taro, { Component } from '@tarojs/taro'
import { View, Image, Button } from '@tarojs/components'
import './tab.scss'
class Tab extends Component {
  onNewTodo = () => {
    // dosth
  }
  componentWillMount () { }
  componentDidMount () { }
  componentWillUnmount () { }
  componentWillReceiveProps () { }
  render () {
    return (
      <View className='tab'>
        tab
      </View>
    )
  }
}