c#使用webView2 访问本地静态html资源跨域Cors问题 - ToB企服应用市场:ToB评测及商务社交产业平台

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace WinApp.View
{
public partial class Cors : Form
{
// 创建HttpListener对象并指定绑定的端口
HttpListener _listener;
string _folderPath;
string _rootDirectory;
public Cors()
{
InitializeComponent();
// 初始化
InitializeAsync();
}
private async void InitializeAsync()
{
// 获取本地静态资源的路径
_rootDirectory = AppDomain.CurrentDomain.BaseDirectory + "offline-exam-player"; //设置本地离线播放器为代理服务
_rootDirectory = @"C:\Users\admin\Documents\WeChat Files\wxid_1ofgk575ybpt22\FileStorage\File\2024-02\ng-alain8\ng-alain8/";
_folderPath = @"C:\Users\admin\Documents\WeChat Files\wxid_1ofgk575ybpt22\FileStorage\File\2024-02\ng-alain8\ng-alain8/index.html";
_listener = new HttpListener();
// 设置代理服务器的监听地址和端口号
_listener.Prefixes.Add("http://localhost:8080/");
_listener.Start();
// 启动代理服务器
Task.Run(() =>
{
// 启动代理服务器
ProcessRequests();
});
// 停止代理服务器(这里演示就不停止了)
//server.Stop();
}
private void ProcessRequests()
{
try
{
while (_listener.IsListening)
{
HttpListenerContext context = _listener.GetContext();
string requestPath = context.Request.Url.AbsolutePath;
string filePath = _rootDirectory + requestPath;
// Serve the requested file if it exists
if (System.IO.File.Exists(filePath))
{
string extension = System.IO.Path.GetExtension(filePath);
string contentType;
switch (extension)
{
case ".html":
contentType = "text/html";
break;
case ".js":
contentType = "application/javascript";
break;
case ".less":
case ".css":
contentType = "text/css";
break;
case ".svg":
contentType = "image/svg+xml";
break;
default:
contentType = "application/octet-stream";
break;
}
context.Response.ContentType = contentType;
//context.Response.ContentType = "text/html";
byte[] responseBuffer = System.IO.File.ReadAllBytes(filePath);
context.Response.OutputStream.Write(responseBuffer, 0, responseBuffer.Length);
context.Response.Close();
}
else
{
// Return a 404 response if the file does not exist
context.Response.StatusCode = 404;
context.Response.Close();
}
}
}
catch (Exception ex)
{
// Handle any exceptions that may occur
Console.WriteLine(ex.ToString());
}
}
private async void Cors_Load(object sender, EventArgs e)
{
//本地静态资源，直接访问会出现跨院，如果通过iis访问则不会跨域；
// 确保CoreWebView2运行时已准备就绪
await webView21.EnsureCoreWebView2Async();
// 在WebView2控件中加载URL
//webView21.CoreWebView2.Navigate(_folderPath);
webView21.CoreWebView2.Navigate("http://localhost:8080/" + "index.html");
}
}
}

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