python

# 服务器端代码
import socket
import random
import struct
import time# 创建一个服务器Socket
server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)# 监听的地址和端口
host = '127.0.0.1'
port = 12345# 绑定地址和端口
server_socket.bind((host, port))# 开始监听连接
server_socket.listen(1)# 等待客户端连接
client_socket, addr = server_socket.accept()
print('连接来自：', addr)try:# 发送和接收数据while True:data = client_socket.recv(1024).decode('utf-8')if not data:breakprint('接收到数据：', data)# client_socket.sendall('已收到数据'.encode('utf-8'))time.sleep(0.5)distance = random.uniform(0, 1)# distance = 3.1415926print(distance)strs = "Elegance is the only beauty that never fades."dis = "the distance is %.3f meters. " % distance# client_socket.send(dis.encode('utf-8') + b'\n' + strs.encode('utf-8'))bytes_value = struct.pack("d", distance)  # Big-endian formatclient_socket.send(bytes_value)print('已发送数据：', dis)
except ConnectionResetError:print("Unity客户端关闭连接")
finally:# 关闭连接client_socket.close()server_socket.close()

unity3d

RecvData.cs

// Unity 3D客户端代码
using System;
using System.Net;
using System.Net.Sockets;
using System.Text;
using UnityEngine;public class RecvData : MonoBehaviour
{// 服务器地址和端口private string serverAddress = "127.0.0.1";private int port = 12345;// 与服务器的连接private TcpClient client;private NetworkStream stream;private bool isConnect = false;byte[] receiveBuffer = new byte[1024];public static double dis_value = -1.0f;// Start is called before the first frame updatevoid Start(){// 连接到服务器ConnectToServer();}// Update is called once per framevoid Update(){if(isConnect){SendDataToServer("Hello Server");Debug.Log(ReceiveDataFromServer());            ;}}// 连接到服务器private void ConnectToServer(){try{client = new TcpClient(serverAddress, port);stream = client.GetStream();isConnect = true;Debug.Log("成功连接到服务器");}catch (Exception e){Debug.Log("无法连接到服务器：" + e);}}// 发送数据到服务器public void SendDataToServer(string data){if (stream != null){byte[] byteData = Encoding.UTF8.GetBytes(data);stream.Write(byteData, 0, byteData.Length);Debug.Log("已发送数据到服务器：" + data);}else{Debug.Log("无法发送数据，连接未建立");}}// 从服务器接收数据public string ReceiveDataFromServer(){try{int bytesRead = stream.Read(receiveBuffer, 0, receiveBuffer.Length);//Debug.Log("bytesRead is " + bytesRead);dis_value = BitConverter.ToDouble(receiveBuffer, 0);print("dis_value is " + dis_value);return dis_value.ToString();}catch (Exception e){Debug.Log("接收数据时发生异常：" + e);return null;}}// 关闭连接private void OnApplicationQuit(){if (stream != null){stream.Close();}if (client != null){client.Close();}}
}

需要导入xchart绘图package

ValueChat.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using XCharts.Runtime;public class ValueChat : MonoBehaviour
{public double distance_gap = 0.0f;LineChart gap_chart = null;private float timeBetweenGenerations = 0.01f; // 两次生成之间的时间间隔private bool isShow = false; // 标记当前是否正在生成物体public Text gapValue_text;// Start is called before the first frame updatevoid Start(){SetValue_Show();StartCoroutine("ShowData"); // 调用协程函数}// Update is called once per framevoid Update(){if (RecvData.dis_value != -1.0f){//distance_gap = double.Parse(HelloRequester.gap_value);distance_gap = RecvData.dis_value;string formattedNumber = distance_gap.ToString("0.000");gapValue_text.text = "The gap value is " + formattedNumber + " mm";}//distance_gap = double.Parse(HelloRequester.gap_value);}IEnumerator ShowData(){while (true){if (!isShow){yield return new WaitForSeconds(timeBetweenGenerations); // 等待指定的时间间隔后再进行下一次生成Show_Line(gap_chart);isShow = true; // 设置为正在生成状态}else{yield return null; // 不进行任何操作直到下一次生成isShow = false; // 设置为正在生成状态}}}void SetValue_Show(){var chart = gameObject.GetComponent<LineChart>();if (chart == null){chart = gameObject.AddComponent<LineChart>();chart.Init();}gap_chart = chart;//设置标题：var title = chart.EnsureChartComponent<Title>();title.text = "Gap Value Line";//设置提示框和图例是否显示：var tooltip = chart.EnsureChartComponent<Tooltip>();tooltip.show = true;var legend = chart.EnsureChartComponent<Legend>();legend.show = false;//设置坐标轴：var xAxis = chart.EnsureChartComponent<XAxis>();xAxis.splitNumber = 10;xAxis.boundaryGap = true;xAxis.type = Axis.AxisType.Category;var yAxis = chart.EnsureChartComponent<YAxis>();yAxis.type = Axis.AxisType.Value;//清空默认数据，添加Line类型的Serie用于接收数据：chart.RemoveData();chart.AddSerie<Line>("line");添加10个数据：//for (int i = 0,  j = 1 ; i<60 ; i = i + 5, j++)//    {//        chart.AddXAxisData("T " + j);//    //chart.AddData(0, Random.Range(10, 20));//    chart.AddData(0, distance_gap);//    Debug.Log("-----------" + distance_gap);//    }}void Show_Line(LineChart _gap){_gap.AddData(0, distance_gap);}
}

运行

修改图的坐标和平均数显示的小数点后位数。