xiaoshi-wx/node_modules/wux-weapp/example/pages/textarea/index.js

const isTel = (value) => !/^1[34578]\d{9}$/.test(value)

import ad from '../index/ad'

ad({
    onChange(e) {
        console.log('onChange', e)
        this.setData({
            error: isTel(e.detail.value),
            value: e.detail.value,
        })
    },
    onFocus(e) {
        this.setData({
            error: isTel(e.detail.value),
        })
        console.log('onFocus', e)
    },
    onBlur(e) {
        this.setData({
            error: isTel(e.detail.value),
        })
        console.log('onBlur', e)
    },
    onConfirm(e) {
        console.log('onConfirm', e)
    },
    onClear(e) {
        console.log('onClear', e)
        this.setData({
            error: true,
            value: '',
        })
    },
    onError() {
        wx.showModal({
            title: 'Please enter 11 digits',
            showCancel: !1,
        })
    },
})