在Angularjs中使用pdfMake从HTML生成PDF

I am trying to create a PDF from my HTML using pdfMake and Angular (I've also tried jsPDF and couldn't get it to work either). I tried using the following code in my Angular controller:

我正在尝试使用pdfMake和angle从我的HTML创建一个PDF(我也尝试过jsPDF，但也无法让它工作)。我尝试在我的角度控制器中使用以下代码:

var blob = new Blob([document.getElementById('exportable').innerHTML])
var docDefinition = {
    content: [blob]
}
pdfMake.createPdf(docDefinition).open();

but I receive the following error:

但我收到以下错误:

Unrecognized document structure: {"_margin":null}".

未识别的文档结构:{“_margin”:零}”。

My HTML consists of two simple tables in a div exportable.

我的HTML包含一个div可导出的两个简单的表。

If anyone knows a solution to this issue, or another way to get the HTML into a PDF from Angular, PLEASE help.

如果有人知道这个问题的解决方案，或者从角度将HTML转换成PDF的另一种方法，请帮忙。

Any assistance is GREATLY appreciated!

非常感谢您的帮助!

3 个解决方案

#1

Okay, I figured this out. 1. You will need html2canvas and pdfmake. You do NOT need to do any injection in your app.js to either, just include in your script tags

好吧，我算出来了。1。您将需要html2canvas和pdfmake。您不需要在app.js中进行任何注入，只需在脚本标记中包含

On the div that you want to create the PDF of, add an ID name like below:

在要创建PDF的div中，添加如下所示的ID名:
```
 <div id="exportthis">
```
In your Angular controller use the id of the div in your call to html2canvas:

在您的角度控制器中，在您调用html2canvas时使用div的id:
change the canvas to an image using toDataURL()

使用toDataURL()将画布更改为图像
Then in your docDefinition for pdfmake assign the image to the content.

然后在pdfmake的docDefinition中，将图像分配给内容。

The completed code in your controller will look like this:

控制器中完成的代码如下所示:

       html2canvas(document.getElementById('exportthis'), {
            onrendered: function (canvas) {
                var data = canvas.toDataURL();
                var docDefinition = {
                    content: [{
                        image: data,
                        width: 500,
                    }]
                };
                pdfMake.createPdf(docDefinition).download("Score_Details.pdf");
            }
        });

I hope this helps someone else. Happy coding!

我希望这能帮助别人。编码快乐!

#2

I know its not relevant to this post but might help others converting HTML to PDF on client side. This is a simple solution if you use kendo. It also preserves the css (most of the cases).

我知道这与这篇文章无关，但可能会帮助其他人在客户端将HTML转换为PDF。如果您使用kendo，这是一个简单的解决方案。它还保留了css(大多数情况)。

var generatePDF = function() {
  kendo.drawing.drawDOM($("#formConfirmation")).then(function(group) {
    kendo.drawing.pdf.saveAs(group, "Converted PDF.pdf");
  });
}

<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <!-- Latest compiled and minified CSS -->
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
  <!-- Optional theme -->
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
  <!-- Latest compiled and minified JavaScript -->
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
  <script src="//kendo.cdn.telerik.com/2016.3.914/js/kendo.all.min.js"></script>
</head>

<body>
  <br/>
  <button class="btn btn-primary" onclick="generatePDF()"><i class="fa fa-save"></i> Save as PDF</button>
  <br/>
  <br/>
  <div id="formConfirmation">

    <div class="container theme-showcase" role="main">
      <!-- Main jumbotron for a primary marketing message or call to action -->
      <div class="jumbotron">
        <h1>Theme example</h1>
        <p>This is a template showcasing the optional theme stylesheet included in Bootstrap. Use it as a starting point to create something more unique by building on or modifying it.</p>
      </div>
      <div class="page-header">
        <h1>Buttons</h1>
      </div>
      <p>
        <button type="button" class="btn btn-lg btn-default">Default</button>
        <button type="button" class="btn btn-lg btn-primary">Primary</button>
        <button type="button" class="btn btn-lg btn-success">Success</button>
        <button type="button" class="btn btn-lg btn-info">Info</button>
        <button type="button" class="btn btn-lg btn-warning">Warning</button>
        <button type="button" class="btn btn-lg btn-danger">Danger</button>
        <button type="button" class="btn btn-lg btn-link">Link</button>
      </p>
      <p>
        <button type="button" class="btn btn-default">Default</button>
        <button type="button" class="btn btn-primary">Primary</button>
        <button type="button" class="btn btn-success">Success</button>
        <button type="button" class="btn btn-info">Info</button>
        <button type="button" class="btn btn-warning">Warning</button>
        <button type="button" class="btn btn-danger">Danger</button>
        <button type="button" class="btn btn-link">Link</button>
      </p>
      <p>
        <button type="button" class="btn btn-sm btn-default">Default</button>
        <button type="button" class="btn btn-sm btn-primary">Primary</button>
        <button type="button" class="btn btn-sm btn-success">Success</button>
        <button type="button" class="btn btn-sm btn-info">Info</button>
        <button type="button" class="btn btn-sm btn-warning">Warning</button>
        <button type="button" class="btn btn-sm btn-danger">Danger</button>
        <button type="button" class="btn btn-sm btn-link">Link</button>
      </p>
      <p>
        <button type="button" class="btn btn-xs btn-default">Default</button>
        <button type="button" class="btn btn-xs btn-primary">Primary</button>
        <button type="button" class="btn btn-xs btn-success">Success</button>
        <button type="button" class="btn btn-xs btn-info">Info</button>
        <button type="button" class="btn btn-xs btn-warning">Warning</button>
        <button type="button" class="btn btn-xs btn-danger">Danger</button>
        <button type="button" class="btn btn-xs btn-link">Link</button>
      </p>
      <div class="page-header">
        <h1>Tables</h1>
      </div>
      <div class="row">
        <div class="col-md-6">
          <table class="table">
            <thead>
              <tr>
                <th>#</th>
                <th>First Name</th>
                <th>Last Name</th>
                <th>Username</th>
              </tr>
            </thead>
            <tbody>
              <tr>
                <td>1</td>
                <td>Mark</td>
                <td>Otto</td>
                <td>@mdo</td>
              </tr>
              <tr>
                <td>2</td>
                <td>Jacob</td>
                <td>Thornton</td>
                <td>@fat</td>
              </tr>
              <tr>
                <td>3</td>
                <td>Larry</td>
                <td>the Bird</td>
                <td>@twitter</td>
              </tr>
            </tbody>
          </table>
        </div>
        <div class="col-md-6">
          <table class="table table-striped">
            <thead>
              <tr>
                <th>#</th>
                <th>First Name</th>
                <th>Last Name</th>
                <th>Username</th>
              </tr>
            </thead>
            <tbody>
              <tr>
                <td>1</td>
                <td>Mark</td>
                <td>Otto</td>
                <td>@mdo</td>
              </tr>
              <tr>
                <td>2</td>
                <td>Jacob</td>
                <td>Thornton</td>
                <td>@fat</td>
              </tr>
              <tr>
                <td>3</td>
                <td>Larry</td>
                <td>the Bird</td>
                <td>@twitter</td>
              </tr>
            </tbody>
          </table>
        </div>
      </div>
      <div class="row">
        <div class="col-md-6">
          <table class="table table-bordered">
            <thead>
              <tr>
                <th>#</th>
                <th>First Name</th>
                <th>Last Name</th>
                <th>Username</th>
              </tr>
            </thead>
            <tbody>
              <tr>
                <td rowspan="2">1</td>
                <td>Mark</td>
                <td>Otto</td>
                <td>@mdo</td>
              </tr>
              <tr>
                <td>Mark</td>
                <td>Otto</td>
                <td>@TwBootstrap</td>
              </tr>
              <tr>
                <td>2</td>
                <td>Jacob</td>
                <td>Thornton</td>
                <td>@fat</td>
              </tr>
              <tr>
                <td>3</td>
                <td colspan="2">Larry the Bird</td>
                <td>@twitter</td>
              </tr>
            </tbody>
          </table>
        </div>
        <div class="col-md-6">
          <table class="table table-condensed">
            <thead>
              <tr>
                <th>#</th>
                <th>First Name</th>
                <th>Last Name</th>
                <th>Username</th>
              </tr>
            </thead>
            <tbody>
              <tr>
                <td>1</td>
                <td>Mark</td>
                <td>Otto</td>
                <td>@mdo</td>
              </tr>
              <tr>
                <td>2</td>
                <td>Jacob</td>
                <td>Thornton</td>
                <td>@fat</td>
              </tr>
              <tr>
                <td>3</td>
                <td colspan="2">Larry the Bird</td>
                <td>@twitter</td>
              </tr>
            </tbody>
          </table>
        </div>
      </div>
      <div class="page-header">
        <h1>Thumbnails</h1>
      </div>
      <img data-src="holder.js/200x200" class="img-thumbnail" alt="A generic square placeholder image with a white border around it, making it resemble a photograph taken with an old instant camera">
      <div class="page-header">
        <h1>Labels</h1>
      </div>
      <h1>
        <span class="label label-default">Default</span>
        <span class="label label-primary">Primary</span>
        <span class="label label-success">Success</span>
        <span class="label label-info">Info</span>
        <span class="label label-warning">Warning</span>
        <span class="label label-danger">Danger</span>
      </h1>
      <h2>
        <span class="label label-default">Default</span>
        <span class="label label-primary">Primary</span>
        <span class="label label-success">Success</span>
        <span class="label label-info">Info</span>
        <span class="label label-warning">Warning</span>
        <span class="label label-danger">Danger</span>
      </h2>
      <h3>
        <span class="label label-default">Default</span>
        <span class="label label-primary">Primary</span>
        <span class="label label-success">Success</span>
        <span class="label label-info">Info</span>
        <span class="label label-warning">Warning</span>
        <span class="label label-danger">Danger</span>
      </h3>
      <h4>
        <span class="label label-default">Default</span>
        <span class="label label-primary">Primary</span>
        <span class="label label-success">Success</span>
        <span class="label label-info">Info</span>
        <span class="label label-warning">Warning</span>
        <span class="label label-danger">Danger</span>
      </h4>
      <h5>
        <span class="label label-default">Default</span>
        <span class="label label-primary">Primary</span>
        <span class="label label-success">Success</span>
        <span class="label label-info">Info</span>
        <span class="label label-warning">Warning</span>
        <span class="label label-danger">Danger</span>
      </h5>
      <h6>
        <span class="label label-default">Default</span>
        <span class="label label-primary">Primary</span>
        <span class="label label-success">Success</span>
        <span class="label label-info">Info</span>
        <span class="label label-warning">Warning</span>
        <span class="label label-danger">Danger</span>
      </h6>
      <p>
        <span class="label label-default">Default</span>
        <span class="label label-primary">Primary</span>
        <span class="label label-success">Success</span>
        <span class="label label-info">Info</span>
        <span class="label label-warning">Warning</span>
        <span class="label label-danger">Danger</span>
      </p>
      <div class="page-header">
        <h1>Badges</h1>
      </div>
      <p>
        <a href="#">Inbox <span class="badge">42</span></a>
      </p>
      <ul class="nav nav-pills" role="tablist">
        <li role="presentation" class="active"><a href="#">Home <span class="badge">42</span></a>
        </li>
        <li role="presentation"><a href="#">Profile</a>
        </li>
        <li role="presentation"><a href="#">Messages <span class="badge">3</span></a>
        </li>
      </ul>
      <div class="page-header">
        <h1>Dropdown menus</h1>
      </div>
      <div class="dropdown theme-dropdown clearfix">
        <a id="dropdownMenu1" href="#" class="sr-only dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
        <ul class="dropdown-menu" aria-labelledby="dropdownMenu1">
          <li class="active"><a href="#">Action</a>
          </li>
          <li><a href="#">Another action</a>
          </li>
          <li><a href="#">Something else here</a>
          </li>
          <li role="separator" class="divider"></li>
          <li><a href="#">Separated link</a>
          </li>
        </ul>
      </div>
      <div class="page-header">
        <h1>Navs</h1>
      </div>
      <ul class="nav nav-tabs" role="tablist">
        <li role="presentation" class="active"><a href="#">Home</a>
        </li>
        <li role="presentation"><a href="#">Profile</a>
        </li>
        <li role="presentation"><a href="#">Messages</a>
        </li>
      </ul>
      <ul class="nav nav-pills" role="tablist">
        <li role="presentation" class="active"><a href="#">Home</a>
        </li>
        <li role="presentation"><a href="#">Profile</a>
        </li>
        <li role="presentation"><a href="#">Messages</a>
        </li>
      </ul>
      <div class="page-header">
        <h1>Navbars</h1>
      </div>
      <nav class="navbar navbar-default">
        <div class="container">
          <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target=".navbar-collapse">
              <span class="sr-only">Toggle navigation</span>
              <span class="icon-bar"></span>
              <span class="icon-bar"></span>
              <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="#">Project name</a>
          </div>
          <div class="navbar-collapse collapse">
            <ul class="nav navbar-nav">
              <li class="active"><a href="#">Home</a>
              </li>
              <li><a href="#about">About</a>
              </li>
              <li><a href="#contact">Contact</a>
              </li>
              <li class="dropdown">
                <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
                <ul class="dropdown-menu">
                  <li><a href="#">Action</a>
                  </li>
                  <li><a href="#">Another action</a>
                  </li>
                  <li><a href="#">Something else here</a>
                  </li>
                  <li role="separator" class="divider"></li>
                  <li class="dropdown-header">Nav header</li>
                  <li><a href="#">Separated link</a>
                  </li>
                  <li><a href="#">One more separated link</a>
                  </li>
                </ul>
              </li>
            </ul>
          </div>
          <!--/.nav-collapse -->
        </div>
      </nav>
      <nav class="navbar navbar-inverse">
        <div class="container">
          <div class="navbar-header">
            <button type="button" class="navbar-toggle collapsed" data-toggle="collapse" data-target=".navbar-collapse">
              <span class="sr-only">Toggle navigation</span>
              <span class="icon-bar"></span>
              <span class="icon-bar"></span>
              <span class="icon-bar"></span>
            </button>
            <a class="navbar-brand" href="#">Project name</a>
          </div>
          <div class="navbar-collapse collapse">
            <ul class="nav navbar-nav">
              <li class="active"><a href="#">Home</a>
              </li>
              <li><a href="#about">About</a>
              </li>
              <li><a href="#contact">Contact</a>
              </li>
              <li class="dropdown">
                <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown <span class="caret"></span></a>
                <ul class="dropdown-menu">
                  <li><a href="#">Action</a>
                  </li>
                  <li><a href="#">Another action</a>
                  </li>
                  <li><a href="#">Something else here</a>
                  </li>
                  <li role="separator" class="divider"></li>
                  <li class="dropdown-header">Nav header</li>
                  <li><a href="#">Separated link</a>
                  </li>
                  <li><a href="#">One more separated link</a>
                  </li>
                </ul>
              </li>
            </ul>
          </div>
          <!--/.nav-collapse -->
        </div>
      </nav>
      <div class="page-header">
        <h1>Alerts</h1>
      </div>
      <div class="alert alert-success" role="alert">
        <strong>Well done!</strong> You successfully read this important alert message.
      </div>
      <div class="alert alert-info" role="alert">
        <strong>Heads up!</strong> This alert needs your attention, but it's not super important.
      </div>
      <div class="alert alert-warning" role="alert">
        <strong>Warning!</strong> Best check yo self, you're not looking too good.
      </div>
      <div class="alert alert-danger" role="alert">
        <strong>Oh snap!</strong> Change a few things up and try submitting again.
      </div>
      <div class="page-header">
        <h1>Progress bars</h1>
      </div>
      <div class="progress">
        <div class="progress-bar" role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100" style="width: 60%;"><span class="sr-only">60% Complete</span>
        </div>
      </div>
      <div class="progress">
        <div class="progress-bar progress-bar-success" role="progressbar" aria-valuenow="40" aria-valuemin="0" aria-valuemax="100" style="width: 40%"><span class="sr-only">40% Complete (success)</span>
        </div>
      </div>
      <div class="progress">
        <div class="progress-bar progress-bar-info" role="progressbar" aria-valuenow="20" aria-valuemin="0" aria-valuemax="100" style="width: 20%"><span class="sr-only">20% Complete</span>
        </div>
      </div>
      <div class="progress">
        <div class="progress-bar progress-bar-warning" role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100" style="width: 60%"><span class="sr-only">60% Complete (warning)</span>
        </div>
      </div>
      <div class="progress">
        <div class="progress-bar progress-bar-danger" role="progressbar" aria-valuenow="80" aria-valuemin="0" aria-valuemax="100" style="width: 80%"><span class="sr-only">80% Complete (danger)</span>
        </div>
      </div>
      <div class="progress">
        <div class="progress-bar progress-bar-striped" role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100" style="width: 60%"><span class="sr-only">60% Complete</span>
        </div>
      </div>
      <div class="progress">
        <div class="progress-bar progress-bar-success" style="width: 35%"><span class="sr-only">35% Complete (success)</span>
        </div>
        <div class="progress-bar progress-bar-warning" style="width: 20%"><span class="sr-only">20% Complete (warning)</span>
        </div>
        <div class="progress-bar progress-bar-danger" style="width: 10%"><span class="sr-only">10% Complete (danger)</span>
        </div>
      </div>
      <div class="page-header">
        <h1>List groups</h1>
      </div>
      <div class="row">
        <div class="col-sm-4">
          <ul class="list-group">
            <li class="list-group-item">Cras justo odio</li>
            <li class="list-group-item">Dapibus ac facilisis in</li>
            <li class="list-group-item">Morbi leo risus</li>
            <li class="list-group-item">Porta ac consectetur ac</li>
            <li class="list-group-item">Vestibulum at eros</li>
          </ul>
        </div>
        <!-- /.col-sm-4 -->
        <div class="col-sm-4">
          <div class="list-group">
            <a href="#" class="list-group-item active">
              Cras justo odio
            </a>
            <a href="#" class="list-group-item">Dapibus ac facilisis in</a>
            <a href="#" class="list-group-item">Morbi leo risus</a>
            <a href="#" class="list-group-item">Porta ac consectetur ac</a>
            <a href="#" class="list-group-item">Vestibulum at eros</a>
          </div>
        </div>
        <!-- /.col-sm-4 -->
        <div class="col-sm-4">
          <div class="list-group">
            <a href="#" class="list-group-item active">
              <h4 class="list-group-item-heading">List group item heading</h4>
              <p class="list-group-item-text">Donec id elit non mi porta gravida at eget metus. Maecenas sed diam eget risus varius blandit.</p>
            </a>
            <a href="#" class="list-group-item">
              <h4 class="list-group-item-heading">List group item heading</h4>
              <p class="list-group-item-text">Donec id elit non mi porta gravida at eget metus. Maecenas sed diam eget risus varius blandit.</p>
            </a>
            <a href="#" class="list-group-item">
              <h4 class="list-group-item-heading">List group item heading</h4>
              <p class="list-group-item-text">Donec id elit non mi porta gravida at eget metus. Maecenas sed diam eget risus varius blandit.</p>
            </a>
          </div>
        </div>
        <!-- /.col-sm-4 -->
      </div>
      <div class="page-header">
        <h1>Panels</h1>
      </div>
      <div class="row">
        <div class="col-sm-4">
          <div class="panel panel-default">
            <div class="panel-heading">
              <h3 class="panel-title">Panel title</h3>
            </div>
            <div class="panel-body">
              Panel content
            </div>
          </div>
          <div class="panel panel-primary">
            <div class="panel-heading">
              <h3 class="panel-title">Panel title</h3>
            </div>
            <div class="panel-body">
              Panel content
            </div>
          </div>
        </div>
        <!-- /.col-sm-4 -->
        <div class="col-sm-4">
          <div class="panel panel-success">
            <div class="panel-heading">
              <h3 class="panel-title">Panel title</h3>
            </div>
            <div class="panel-body">
              Panel content
            </div>
          </div>
          <div class="panel panel-info">
            <div class="panel-heading">
              <h3 class="panel-title">Panel title</h3>
            </div>
            <div class="panel-body">
              Panel content
            </div>
          </div>
        </div>
        <!-- /.col-sm-4 -->
        <div class="col-sm-4">
          <div class="panel panel-warning">
            <div class="panel-heading">
              <h3 class="panel-title">Panel title</h3>
            </div>
            <div class="panel-body">
              Panel content
            </div>
          </div>
          <div class="panel panel-danger">
            <div class="panel-heading">
              <h3 class="panel-title">Panel title</h3>
            </div>
            <div class="panel-body">
              Panel content
            </div>
          </div>
        </div>
        <!-- /.col-sm-4 -->
      </div>
    </div>
</body>

</html>

#3

this is what it worked for me I'm using html2pdf from an Angular2 app, so I made a reference to this function in the controller

这就是它对我的作用我使用了来自Angular2应用的html2pdf，所以我在控制器中引用了这个函数

var html2pdf = (function(html2canvas, jsPDF) {

declared in html2pdf.js.

在html2pdf.js声明。

So I added just after the import declarations in my angular-controller this declaration:

在我的angular-controller中导入声明之后我添加了这个声明:

declare function html2pdf(html2canvas, jsPDF): any;

then, from a method of my angular controller I'm calling this function:

然后，根据角度控制器的方法，我把这个函数叫做

generate_pdf(){
    this.someService.loadContent().subscribe(
      pdfContent => {
        html2pdf(pdfContent, {
          margin:       1,
          filename:     'myfile.pdf',
          image:        { type: 'jpeg', quality: 0.98 },
          html2canvas:  { dpi: 192, letterRendering: true },
          jsPDF:        { unit: 'in', format: 'A4', orientation: 'portrait' }
        });
      }
    );
  }

Hope it helps

希望它能帮助

#1