Unity 读取xml

ReadXml.cs内容：

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

public class ReadXml : MonoBehaviour
{
    private XmlDocument xmldoc;
    private XmlNode root;
    private string url;

    void Start()
    {
        InitAccount();
        InitCases();
    }
    void InitAccount()
    {
        url = Application.streamingAssetsPath + "/Account_config.xml";
        xmldoc = new XmlDocument();
        xmldoc.Load(url);
        root = xmldoc.SelectSingleNode("root");

        ReadAccount();
    }
    void ReadAccount()
    {
        /*XmlNode account = root.SelectSingleNode("account");
        XmlElement ele = (XmlElement)account;
        Debug.Log(ele.GetAttribute("Username") + " " + ele.GetAttribute("Password"));*/

        /*XmlNode usernameNode = root.SelectSingleNode("username");
        Debug.Log(((XmlElement)usernameNode).InnerText);
        XmlElement passwordEle = (XmlElement)root.SelectSingleNode("password");
        Debug.Log(passwordEle.InnerText);*/

        foreach (var item in root.ChildNodes)
        {
            XmlNode xmlNode = item as XmlNode;
            Debug.Log(xmlNode.Name + "：" + xmlNode.InnerText);
        }
    }
    void InitCases()
    {
        url = Application.streamingAssetsPath + "/Cases_config.xml";
        xmldoc = new XmlDocument();
        xmldoc.Load(url);
        root = xmldoc.SelectSingleNode("casesList");

        ReadCases();
    }
    void ReadCases()
    {
        foreach (var item1 in root.ChildNodes)
        {
            XmlNode xmlNode1 = item1 as XmlNode;

            foreach (var item2 in xmlNode1.ChildNodes)
            {
                XmlNode xmlNode2 = item2 as XmlNode;
                Debug.Log(xmlNode2.Name + "：" + xmlNode2.InnerText);
            }
        }
    }
}

Cases_config.xml内容：

<?xml version="1.0" encoding="utf-8"?>
<casesList>
    <case>
        <name>张三三</name>
        <gender>男</gender>
        <age>32</age>
        <chiefComplaint>间断呼吸困难2年，加重伴下肢水肿4天。</chiefComplaint>
        <historyOfPpresentIllness>患者于3天前疑似因发热服用布洛芬出现便血，暗红色，稀烂便，1天5次，每次约200ml，中途呕血1次，鲜红色，血中有胃内容物，约300ml，伴肚脐上方腹胀。患者面色苍白，有头晕、乏力、口渴，有心悸、反酸，尿量减少。无口腔溃疡、头痛、意识不清，无咳嗽、咳痰、气促，无胸闷、胸痛，无烧心、嗳气、里急后重。患者为求进一步诊治，于1天前来我院急诊就诊，行“血常规”，示“Hb 103g/L”，拟“消化道出血”收入我科。患者自起病以来，胃纳、精神差，睡眠可，大小便如上所述，体重体力无明显变化。</historyOfPpresentIllness>
        <pastHistory>xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx</pastHistory>
    </case>
    <case>
        <name>李四四</name>
        <gender>男</gender>
        <age>34</age>
        <chiefComplaint>aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa</chiefComplaint>
        <historyOfPpresentIllness>bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb</historyOfPpresentIllness>
        <pastHistory>yyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyyy</pastHistory>
    </case>
</casesList>

Account_config.xml内容：

<?xml version="1.0" encoding="utf-8"?>
<root>
    <!--<account Username="admin" Password="123456" />-->
    <username>admin</username>
    <number>007</number>
    <department>科室1</department>
    <group>组1</group>
    <gender>男</gender>
    <role>管理员</role>
    <password>123456</password>
</root>