原文链接：https://www.c-sharpcorner.com/article/creating-pdf-in-asp-net-core-mvc-using-rotativa-aspnetcore/
引入类库：Rotativa.AspNetCore
修改类Startup的方法Configure(IApplicationBuilder app, IHostingEnvironment env)
添加如下代码：
RotativaConfiguration.Setup(env);
调用ViewAsPdf 方法
public IActionResult Index()
{
return new ViewAsPdf("Index");
}
zai www文件夹中添加必要的文件：
view 内容
@{
Layout = null;
}
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width" />
<title>Index</title>
</head>
<body>
<header>
<h1>Invoice</h1>
<address contenteditable>
<p>Jonathan Neal</p>
<p>101 E. Chapman Ave<br>Orange, CA 92866</p>
<p>(800) 555-1234</p>
</address>
</header>
<article>
<h1>Recipient</h1>
<address contenteditable>
<p>Demo Company<br>c/o Saineshwar</p>
</address>
<table class="meta">
<tr>
<th><span contenteditable>Invoice #</span></th>
<td><span contenteditable>000001</span></td>
</tr>
<tr>
<th><span contenteditable>Date</span></th>
<td><span contenteditable>January 1, 2018</span></td>
</tr>
<tr>
<th><span contenteditable>Amount Due</span></th>
<td><span id="prefix" contenteditable>र </span><span>600.00</span></td>
</tr>
</table>
<table class="inventory">
<thead>
<tr>
<th><span contenteditable>Item</span></th>
<th><span contenteditable>Description</span></th>
<th><span contenteditable>Rate</span></th>
<th><span contenteditable>Quantity</span></th>
<th><span contenteditable>Price</span></th>
</tr>
</thead>
<tbody>
<tr>
<td><a class="cut">-</a><span contenteditable>Front End Consultation</span></td>
<td><span contenteditable>Experience Review</span></td>
<td><span data-prefix>र </span><span contenteditable>150.00</span></td>
<td><span contenteditable>4</span></td>
<td><span data-prefix>र </span><span>600.00</span></td>
</tr>
</tbody>
</table>
<table class="balance">
<tr>
<th><span contenteditable>Total</span></th>
<td><span data-prefix>र </span><span>600.00</span></td>
</tr>
<tr>
<th><span contenteditable>Amount Paid</span></th>
<td><span data-prefix>र </span><span contenteditable>0.00</span></td>
</tr>
<tr>
<th><span contenteditable>Balance Due</span></th>
<td><span data-prefix>र </span><span>600.00</span></td>
</tr>
</table>
</article>
<aside>
<h1><span contenteditable>Additional Notes</span></h1>
<div contenteditable>
<p>A finance charge of 1.5% will be made on unpaid balances after 30 days.</p>
</div>
</aside>
</body>
</html>
最终效果图：
