[英]WeasyPrint and Bootstrap
所以我有一个非常简单的模板,我正在使用 WeasyPrint 进行测试。 如果将模板呈现为常规网页,它会很好地呈现。 如果我尝试生成 PDF 样式消失。 PDF 正确生成的唯一时间是当我删除引导程序引用时。 一旦我引入引导程序 css 文件,是否有人对为什么样式不起作用有任何想法? 我尝试了一些 Bootstrap3 和 Bootstrap2 文件。 本地和 CDN 服务。
模板:
<!doctype html>
<html lang="en">
{% load static from staticfiles %}
{% block head %}
<head>
{% block css %}
<link rel="stylesheet" href="{% static "css/bootstrap.min.css" %}">
<link rel="stylesheet" href="{% static "css/main.css" %}">
{% endblock css %}
</head>
{% endblock head %}
<body>
{% block content %}
<div id="content" class="container">
<div id="logo" class="col-md-3">
<img src="{% static "images/logo_small.png" %}">
</div>
<div id="heading" class="col-md-6">
<h1>Packing Slip</h1>
</div>
<div class="col-md-3">
<h2>{{ packslip_id }}</h2>
</div>
</div>
{% endblock %}
</body>
</html>
我的观点:
class WeasyPDF(TemplateView):
template_name = 'jinja2/Shipping/test_pdf.html'
def get(self, request, *args, **kwargs):
packslip_id = kwargs.get('packslip_id')
context= {'packslip_id': packslip_id }
template_string = render_to_string(self.template_name, context)
html = HTML(string=template_string, base_url=request.build_absolute_uri())
main_doc = html.render()
pdf = main_doc.write_pdf()
response = HttpResponse(pdf, content_type='application/pdf')
#Download as attachment
# response['Content-Disposition'] = 'attachment; filename=packslip-{0}.pdf'.format(packslip_id)
# Display in browser
response['Content-Disposition'] = 'filename=packslip-{0}.pdf'.format(packslip_id)
return response
最后是 urls.py 条目
url(r'^weasypdf/(?P<packslip_id>\d+)$', WeasyPDF.as_view(), name='weasypdf'),
我相信您需要将CSS渲染到html对象中:html = HTML(string = template_string,base_url = request.build_absolute_uri(),stylesheet =“ filename.css”)
完成后,Weasyprint会将其渲染到HTML对象中,以PDF和HTML形式显示
您应该将样式表的位置放在视图中,而不是模板中。
class WeasyPDF(TemplateView):
template_name = 'jinja2/Shipping/test_pdf.html'
def get(self, request, *args, **kwargs):
packslip_id = kwargs.get('packslip_id')
context= {'packslip_id': packslip_id }
template_string = render_to_string(self.template_name, context)
html = HTML(string=template_string, base_url=request.build_absolute_uri())
main_doc = html.render()
pdf = main_doc.write_pdf(
stylesheets=[
# Change this to suit your css path
settings.BASE_DIR + 'css/bootstrap.min.css',
settings.BASE_DIR + 'css/main.css',
],
)
response = HttpResponse(pdf, content_type='application/pdf')
#Download as attachment
# response['Content-Disposition'] = 'attachment; filename=packslip-{0}.pdf'.format(packslip_id)
# Display in browser
response['Content-Disposition'] = 'filename=packslip-{0}.pdf'.format(packslip_id)
return response
styles = CSS(settings.STATIC_ROOT + "/css/bootstrap.min.css")
http_response = HttpResponse(content_type="application/pdf")
http_response[
"Content-Disposition"
] = 'attachment;filename="pdf_file.pdf"'
HTML(string=html_string, base_url=request.build_absolute_uri()).write_pdf(
http_response,
stylesheets=[
styles,
],
)
return http_response
完成后,Weasyprint 会将其渲染到 HTML object 中,以在 PDF 和 Z4C4AD5FCA2E007A3F7AA1CEDCEDCEDB1 中显示
在此处查看 weasyprint 样式文档
在您的 django 模板中使用
{% load static %}
<!doctype html>
.
.
.
<link href="{% static 'css/bootstrap.min.css' %}" rel="stylesheet" >
.
.
.
在您看来使用
HTML(string=html_string, base_url=request.build_absolute_uri()).write_pdf(
http_response,
presentational_hints=True,
)
return http_response
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