unity 鼠标悬浮在物体上显示名称（读取xml文件）_unity鼠标悬浮在物体上显示名称,读取

实现鼠标放在某一个物体上显示物体的名称或者其他信息，用xml储存名称等信息，鼠标触碰时触发条件
附上代码比较垃圾，但是可以使用

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Xml;
using System.IO;
using UnityEngine.UI;
using System;

public class xmltest : MonoBehaviour {
    string  id1;
    public  string name1;

    public Text textname;
    public Camera maincam;
    //xml文件位置
    public string filePath;
    
    RaycastHit hit;
    public bool bhit = false;
    Dictionary<int, string> dicxml;
    public  int dicindex = 0;
    XmlNodeList node;
    XmlDocument xmlDoc;
    private void Start()
    {
        parseXml();

    }

    private void Update()
    {
        getcode();
    }

    //解析xml
    void parseXml()
    {
        dicxml = new Dictionary<int, string>();
        filePath = Application.dataPath + "/Resources/item.xml";
        if (File.Exists(filePath))
        {
            xmlDoc = new XmlDocument();
            xmlDoc.Load(filePath);
            node = xmlDoc.SelectSingleNode("item").ChildNodes;
            //也可以前面加上@，区别就是有@的话，双引号里面的内容不转义，比如" \" "
            for (int i = 0; i < node.Count; i++)
            {
                dicxml.Add(dicindex++, node[i].Name);
                
            }
        }

      
            
    }


    void getcode()
    {
        Ray ray = maincam.ScreenPointToRay(Input.mousePosition);
        if (Physics.Raycast(ray, out hit))
        {
            if (dicxml.ContainsValue(hit.collider.name))
            {
                XmlElement xmlElem = xmlDoc.DocumentElement;//获取根节点
                XmlNodeList xnl = xmlElem.GetElementsByTagName(hit.collider.name);//取节点名
                for (int i = 0; i < xnl.Count; i++)
                {
                    foreach (XmlElement i1 in xnl[i].ChildNodes)
                    {
                        bhit = true;
                        if (i1.Name == "name")
                        {
                            name1 = i1.InnerText;
                            textname.text = i1.InnerText;
                        }
                        if (i1.Name == "id")
                        {

                        }
                    }
                }
            }
            else
            {
                bhit = false;
            }
        }
    }
    void OnGUI()
    {
        try
        {
            if (bhit==true )
            {
                GUI.skin.box.fontSize = 12;
                GUI.Box(new Rect(Input.mousePosition.x, Screen.height - Input.mousePosition.y - 10, 100, 25), textname.text);
            }
        }
        catch (Exception  ex)
        {

            Debug.Log(ex.Message);
        }
      
        
    }

}

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