virtualpath = "Images/Main.jpg";
return Content("<img src='" + virtualpath + "' />");
var c=e.match(/\{.*\}/)[0];
//e=<IMG src="Images/Main.jpg">
//e.match=null !
namespace BlazorDemoApp.Models;
public record Product
{
public int Id { get; set; }
public required string Title { get; set; }
public required string Description { get; set; }
public decimal Price { get; set; }
public List<int> Related { get; set; } = new();
} using BlazorDemoApp.Models;
namespace BlazorDemoApp.Services;
public interface IProductStore
{
IList<Product> GetAllProducts();
Product GetProduct(int id);
IList<Product> GetRelatedProducts(int productId);
}
public class ProductStore : IProductStore
{
private static readonly List<Product> ProductsDataSource =
new()
{
new Product
{
Id = 1, Title = "Smart speaker", Price = 22m,
Description =
"This smart speaker delivers excellent sound quality and comes with built-in voice control, offering an impressive music listening experience.",
Related = new List<int> { 2, 3 },
},
new Product
{
Id = 2, Title = "Regular speaker", Price = 89m,
Description =
"Enjoy room-filling sound with this regular speaker. With its slick design, it perfectly fits into any room in your house.",
Related = new List<int> { 1, 3 },
},
new Product
{
Id = 3, Title = "Speaker cable", Price = 12m,
Description =
"This high-quality speaker cable ensures a reliable and clear audio connection for your sound system.",
},
};
public IList<Product> GetAllProducts() => ProductsDataSource;
public Product GetProduct(int id) => ProductsDataSource.Single(p => p.Id == id);
public IList<Product> GetRelatedProducts(int productId)
{
var product = ProductsDataSource.Single(x => x.Id == productId);
return ProductsDataSource.Where(p => product.Related.Contains(p.Id)).ToList();
}
} builder.Services.AddScoped<IProductStore, ProductStore>();
@page "/Products"
@using BlazorDemoApp.Models
@using BlazorDemoApp.Services
@inject IProductStore Store
@attribute [StreamRendering]
<h3>Products</h3>
@if (_products == null)
{
<p>Loading...</p>
}
else
{
@foreach (var item in _products)
{
<a href="/ProductDetails/@item.Id">
<div>
<div>
<h5>@item.Title</h5>
</div>
<div>
<h5>@item.Price.ToString("c")</h5>
</div>
</div>
</a>
}
}
@code {
private IList<Product>? _products;
protected override Task OnInitializedAsync() => GetProductsAsync();
private async Task GetProductsAsync()
{
await Task.Delay(1000); // Simulates asynchronous loading to demonstrate streaming rendering
_products = Store.GetAllProducts();
}
} 
@page "/ProductDetails/{ProductId}"
@using BlazorDemoApp.Models
@using BlazorDemoApp.Services
@inject IProductStore Store
@attribute [StreamRendering]
@if (_product == null)
{
<p>Loading...</p>
}
else
{
<div>
<div>
<h5>
@_product.Title (@_product.Price.ToString("C"))
</h5>
<p>
@_product.Description
</p>
</div>
@if (_product.Related.Count > 0)
{
<div>
<RelatedProducts ProductId="Convert.ToInt32(ProductId)" />
</div>
}
</div>
<NavLink href="/Products">Back</NavLink>
}
@code {
private Product? _product;
[Parameter]
public string? ProductId { get; set; }
protected override Task OnInitializedAsync() => GetProductAsync();
private async Task GetProductAsync()
{
await Task.Delay(1000); // Simulates asynchronous loading to demonstrate streaming rendering
_product = Store.GetProduct(Convert.ToInt32(ProductId));
}
} <RelatedProducts ProductId="Convert.ToInt32(ProductId)" />
@using BlazorDemoApp.Models
@using BlazorDemoApp.Services
@inject IProductStore Store
<button @onclick="LoadRelatedProducts">Related products</button>
@if (_loadRelatedProducts)
{
@if (_relatedProducts == null)
{
<p>Loading...</p>
}
else
{
<div>
@foreach (var item in _relatedProducts)
{
<a href="/ProductDetails/@item.Id">
<div>
<h5>@item.Title (@item.Price.ToString("C"))</h5>
</div>
</a>
}
</div>
}
}
@code{
private IList<Product>? _relatedProducts;
private bool _loadRelatedProducts;
[Parameter]
public int ProductId { get; set; }
private async Task LoadRelatedProducts()
{
_loadRelatedProducts = true;
await Task.Delay(1000); // Simulates asynchronous loading to demonstrate InteractiveServer mode
_relatedProducts = Store.GetRelatedProducts(ProductId);
}
} <RelatedProducts ProductId="Convert.ToInt32(ProductId)" @rendermode="@InteractiveServer"/>
<script src="_framework/blazor.web.js"></script>
<RelatedProducts ProductId="Convert.ToInt32(ProductId)" @rendermode="@(new InteractiveServerRenderMode(false))"/>
@using static Microsoft.AspNetCore.Components.Web.RenderMode
public static class RenderMode
{
public static InteractiveServerRenderMode InteractiveServer { get; } = new InteractiveServerRenderMode();
public static InteractiveWebAssemblyRenderMode InteractiveWebAssembly { get; } = new InteractiveWebAssemblyRenderMode();
public static InteractiveAutoRenderMode InteractiveAuto { get; } = new InteractiveAutoRenderMode();
}
public class InteractiveServerRenderMode : IComponentRenderMode
{
public InteractiveServerRenderMode()
: this(true)
{
}
public InteractiveServerRenderMode(bool prerender) => this.Prerender = prerender;
public bool Prerender { get; }
} 
D:\electron\test1>npm init
npm i electron-prebuilt --save-dev
atom .
{
"name": "electron",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"start": "electron ."
},
"author": "",
"license": "ISC"
} const electron = require('electron');
const {app} = electron;
const {BrowserWindow} = electron; let win;
app.on('ready', function() {
// Create the browser window.
win = new BrowserWindow({
width: 800,
height: 600
});
}); npm start
win.loadURL(`file://${__dirname}/index.html`); %windir%\system32\inetsrv\config\schema
احتمال زیاد دسترسی برای ویرایش این دایرکتوری به خاطر مراتب امنیتی با مشکل برخواهید خورد برای ویرایش این نکته امنیتی از اینجا یا به خصوص از اینجا کمک بگیرید.<configSchema> <sectionSchema name="system.webServer/imageCopyright"> <attribute name="enabled" type="bool" defaultValue="false" /> <attribute name="message" type="string" defaultValue="Your Copyright Message" /> <attribute name="color" type="string" defaultValue="Red"/> </sectionSchema> </configSchema>
به هر کدام از تگ‌های بالا یک مقدار پیش فرض داده ایم تا اگر مقداردهی نشدند، ماژول طبق مقادیر پیش فرض کار خود را انجام هد.
<configSections>
...
<sectionGroup name="system.webServer">
<section name="imageCopyright" overrideModeDefault="Allow"/>
...
</sectionGroup>
</configSections> <section name="windowsAuthentication" overrideModeDefault="Allow" />
<location path="AdministratorSite" overrideMode="Allow">
<security>
<authentication>
<providers>
<windowsAuthentication enabled="false">
</providers>
<add value="Negotiate" />
<add value="NTLM" />
</location>
</windowsAuthentication>
</authentication>
</security> <system.webServer>
<imageCopyright />
</system.webServer> <system.webServer> <imageCopyright enabled="true" message="an example of www.dotnettips.info" color="Blue" /> </system.webServer>
%windir%\system32\inetsrv\appcmd set config -section:system.webServer/imageCopyright /color:yellow /message:"Dotnettips.info" /enabled:true
%windir%\system32\inetsrv\appcmd list config -section:system.webServer/imageCopyright
c:\inetpub\mypictures
%windir%\system32\inetsrv\appcmd add app -site.name:"Default Web Site" -path:/mypictures -physicalPath:%systemdrive%\inetpub\mypictures
%windir%\system32\inetsrv\appcmd set config "Default Web Site/mypictures" -section:directoryBrowse -enabled:true
c:\inetpub\mypictures\App_Code\imagecopyrighthandler.cs
#region Using directives
using System;
using System.Web;
using System.Drawing;
using System.Drawing.Imaging;
using Microsoft.Web.Administration;
#endregion
namespace IIS7Demos
{
public class imageCopyrightHandler : IHttpHandler
{
public void ProcessRequest(HttpContext context)
{
ConfigurationSection imageCopyrightHandlerSection =
WebConfigurationManager.GetSection("system.webServer/imageCopyright");
HandleImage( context,
(bool)imageCopyrightHandlerSection.Attributes["enabled"].Value,
(string)imageCopyrightHandlerSection.Attributes["message"].Value,
(string)imageCopyrightHandlerSection.Attributes["color"].Value
);
}
void HandleImage( HttpContext context,
bool enabled,
string copyrightText,
string color
)
{
try
{
string strPath = context.Request.PhysicalPath;
if (enabled)
{
Bitmap bitmap = new Bitmap(strPath);
// add copyright message
Graphics g = Graphics.FromImage(bitmap);
Font f = new Font("Arial", 50, GraphicsUnit.Pixel);
SolidBrush sb = new SolidBrush(Color.FromName(color));
g.DrawString( copyrightText,
f,
sb,
5,
bitmap.Height - f.Height - 5
);
f.Dispose();
g.Dispose();
// slow, but good looking resize for large images
context.Response.ContentType = "image/jpeg";
bitmap.Save(
context.Response.OutputStream,
System.Drawing.Imaging.ImageFormat.Jpeg
);
bitmap.Dispose();
}
else
{
context.Response.WriteFile(strPath);
}
}
catch (Exception e)
{
context.Response.Write(e.Message);
}
}
public bool IsReusable
{
get { return true; }
}
}
} <system.web>
<compilation>
<assemblies>
<add assembly="Microsoft.Web.Administration, Version=7.0.0.0,
Culture=neutral, PublicKeyToken=31bf3856ad364e35, processorArchitecture=MSIL"/>
</assemblies>
</compilation>
</system.web> appcmd set config "Default Web Site/mypictures/" -section:handlers /+[name='JPGimageCopyrightHandler',path='*.jpg',verb='GET',type='IIS7Demos.imageCopyrightHandler']
appcmd recycle AppPool DefaultAppPool
