text: 
  const AB2String = (arrayBuffer) => {
    const unit8Arr = new Uint8Array(arrayBuffer)
    const encodedString = String.fromCharCode.apply(null, unit8Arr)
    const decodedString = decodeURIComponent(escape((encodedString)))// 没有这一步中文会乱码
    return decodedString
  }
  
  Page({
    onShareAppMessage() {
      return {
        title: 'UDPSocket',
        path: 'packageAPI/pages/network/udp-socket/udp-socket'
      }
    },
    data: {
      theme: 'light',
      port: undefined,
      remote_port: undefined,
      startUDP: false,
      mode: 'local',
      address: 'localhost',
      canIUse: true,
    },
    onLoad() {
      this.setData({
        theme: wx.getSystemInfoSync().theme || 'light'
      })
  
      if (wx.onThemeChange) {
        wx.onThemeChange(({theme}) => {
          this.setData({theme})
        })
      }
      const canIUse = wx.canIUse('createUDPSocket')
      if (!canIUse) {
        wx.showModal({
          title: '微信版本过低，暂不支持本功能'
        })
        this.setData({
          canIUse,
        })
      }
    },
    handleCreateUDPTap() {
      this.UDPSocket = wx.createUDPSocket()
      this.remoteUDPSocket = wx.createUDPSocket()
      this.port = this.UDPSocket.bind()
      this.remote_port = this.remoteUDPSocket.bind()
      this.setData({
        port: this.port,
        remote_port: this.remote_port,
        startUDP: true,
      })
      this.remoteUDPSocket.onMessage((res) => {
        const {remoteInfo} = res
        console.log(res)
        wx.showModal({
          title: `IP:${remoteInfo.address}发来的信息`,
          content: AB2String(res.message),
        })
      })
    },
  
    handleCloseUDPTap() {
      this.setData({
        startUDP: false,
        mode: 'local',
      })
      console.log(this.data)
      this.UDPSocket.close()
      this.remoteUDPSocket.close()
    },
    handleSendRemoteMessage() {
      this.UDPSocket.send({
        address: this.data.address || 'localhost', // 可以是任意 ip 和域名
        port: this.remote_port,
        message: `port[${this.port}] 向 remote-port[${this.remote_port}] 发送信息: Hello Wechat!`,
      })
    },
    changeMode() {
      this.setData({
        mode: 'remote',
      })
    },
    handleInputChange(e) {
      this.setData({
        address: e.detail.value,
      })
    },
    handleSendMessage() {
      this.UDPSocket.send({
        address: 'localhost', // 可以是任意 ip 和域名
        port: this.remote_port,
        message: `port[${this.port}] 向 remote-port[${this.remote_port}] 发送信息: Hello Wechat!`,
      })
    },
  
  
  })
  