业务

coderljw 2024-10-13

React
业务

大约 3 分钟

# 1. 扫码盒微信/支付宝支付

import React, { useEffect, useRef, useState } from 'react'
import { Input, message, Modal } from 'antd'
import type { InputRef } from 'antd'
import { useRequest } from 'ahooks'
import { OrderPay } from '@/services/OrderService'
import styles from './index.less'

type ScanPayProps = {
  visible: true
  hidden: () => void
  refresh: () => void
  currentRow: API.Order
}

const ScanPay: React.FC<ScanPayProps> = ({
  visible,
  hidden,
  refresh,
  currentRow,
}) => {
  const inputRef = useRef<InputRef>(null)
  const [payOrderCode, setPayOrderCode] = useState('')
  const [timestamp, setTimestamp] = useState(0)
  const timer = useRef<NodeJS.Timer>()

  const { run: pay, loading: payLoading } = useRequest(OrderPay, {
    manual: true,
    onSuccess: () => {
      message.success('支付成功')
      hidden()
      refresh()
    },
    onFinally: () => {
      message.destroy()
    },
  })

  const { orderId, orderNo, actualAmount } = currentRow || {}

  useEffect(() => {
    setTimeout(() => inputRef?.current?.focus(), 300)
  }, [])

  useEffect(() => {
    clearInterval(timer.current)
    timer.current = setInterval(async () => {
      if (timestamp && +new Date() - timestamp > 500 && payOrderCode) {
        clearInterval(timer.current)
        message.loading('提交中', 0)
        await pay({ orderId, payCode: payOrderCode })
      }
    }, 500)
    return () => {
      clearInterval(timer.current)
    }
  }, [timestamp])

  return (
    <Modal
      title={`${orderNo}（支付金额：${actualAmount}）`}
      visible={visible}
      maskClosable={false}
      footer={null}
      onCancel={hidden}
      destroyOnClose
      width={600}
    >
      <Input
        ref={inputRef}
        value={payOrderCode}
        onBlur={_ => inputRef.current?.focus?.()}
        onChange={({ target }) => {
          if (payLoading) return
          setTimestamp(+new Date())
          // 扫码机30ms内延迟
          if (timestamp && +new Date() - timestamp > 30 && payOrderCode) {
            setPayOrderCode(target.value.slice(-1))
          } else {
            setPayOrderCode(target.value)
          }
        }}
        className={styles['pay-input']}
      />
      <div style={{ display: 'flex', justifyContent: 'center' }}>
        <div className={styles['qr-scanner']}>
          <div className={styles.box}>
            <div className={styles.line}></div>
            <div className={styles.angle}></div>
          </div>
        </div>
      </div>
    </Modal>
  )
}

export default ScanPay

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# 2. SKU 排列组合

const combine = (...chunks) => {
  const result = [],
    chunkQuantity = chunks.length

  function recursion(chunkIndex, prev) {
    const chunk = chunks[chunkIndex],
      isLast = chunkIndex === chunkQuantity - 1

    chunk.forEach(i => {
      if (isLast) return result.push([...prev, i])
      return recursion(chunkIndex + 1, [...prev, i])
    })
  }

  recursion(0, [])
  return result
}

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# 3. 禁止打开 DevTools

import devtools from 'devtools-detect'

// 禁止右键菜单
window.oncontextmenu = _ => false

// 禁止打开DevTools
document.onkeydown = event => {
  const { keyCode, ctrlKey, shiftKey } = event

  if (keyCode === 123 || (ctrlKey && shiftKey && keyCode === 73)) {
    return false
  }
}

/**
 * 监听打开DevTools，跳转about:blank（空白页）
 * Bug：根据可视宽高判断，如果改为手机模式是区分不了的
 * Tips：window.close() 只能关闭通过JS打开的窗口
 */
if (devtools.isOpen) window.location.href = 'about:blank'

window.addEventListener('devtoolschange', event => {
  if (event.detail.isOpen) window.location.href = 'about:blank'
})

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Context Config