我正在使用 python 使用下面的代码基于现有的 html 模板生成 pdf。pdf 打印正常，但它跳过了文本之间的所有间隙。例如，在第一页中，某些文本是页脚上的打印机，但在 pdf 中，它会立即打印页脚文本而没有间隙。但是，当我在浏览器中打开 html 时，底部会正确打印页脚！任何想法可能是什么问题？
类 GeneratePdf(webapp2.RequestHandler): def get(self): self.response.headers['Content-Type'] = 'application/pdf' self.response.headers['Content-Disposition'] = 'attachment; filename=will.pdf' will = Will() will.name="Albus Dumbledore" will.children = "Aberforth Dumbledore" will.partner = "Harry Potter" will.address = "Hogwarts school of w & w." will.exec1_name = "西弗勒斯·斯内普" will.exec1_address = "萨里" will.guardian_name="Prongs" will.guardian_address="Dept of Mysteries" will.children="Ariana & Aberforth" will.funeral_preference="@hogwarts"
f=open('template.htm','r')
sourceHtml = f.read()
f.close()
sourceHtml = sourceHtml.replace('__name__',will.name)
sourceHtml = sourceHtml.replace('__address__',will.address)
sourceHtml = sourceHtml.replace('__partner1__',will.partner)
sourceHtml = sourceHtml.replace('__exec1_name__',will.exec1_name)
sourceHtml = sourceHtml.replace('__exec1_address__',will.exec1_address)
sourceHtml = sourceHtml.replace('__guardian_name__',will.guardian_name)
sourceHtml = sourceHtml.replace('__guardian_address__',will.guardian_address)
sourceHtml = sourceHtml.replace('__children__',will.children)
sourceHtml = sourceHtml.replace('__funeral_preference__',will.funeral_preference)
pisa.CreatePDF(sourceHtml,dest=self.response.out)
pisa.pisaDocument(sourceHtml,dest=self.response.out)
编辑：这是 template.htm 的开始方式：
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<HTML>
<HEAD>
<META http-equiv="Content-Type" content="text/html; charset=UTF-8">
<META http-equiv="X-UA-Compatible" content="IE=8">
<TITLE>Created by BCL easyConverter SDK 3 (HTML Version)</TITLE>
<META name="generator" content="BCL easyConverter SDK 3.0.60">
<STYLE type="text/css">
body {margin-top: 0px;margin-left: 0px;}
#page_1 {position:relative; overflow: hidden;margin: 133px 0px 132px 120px;padding: 0px;border: none;width: 673px;}
#page_1 #id_1 {border:none;margin: 0px 0px 0px 0px;padding: 0px;border:none;width: 486px;overflow: hidden;}
#page_1 #id_2 {border:none;margin: 769px 0px 0px 0px;padding: 0px;border:none;width: 673px;overflow: hidden;}
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#page_2 {position:relative; overflow: hidden;margin: 37px 0px 78px 120px;padding: 0px;border: none;width: 673px;}
#page_3 {position:relative; overflow: hidden;margin: 37px 0px 78px 120px;padding: 0px;border: none;width: 673px;}
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</STYLE>
<!--prahlad
<style>
@page {
size: a4 portrait;
@frame header_frame {
-pdf-frame-content: header_content;
left: 50pt; width: 512pt; top: 50pt; height: 40pt;
}
@frame content_frame {
left: 50pt; width: 512pt; top: 90pt; height: 632pt;
}
@frame footer_frame {
-pdf-frame-content: footer_content;
left: 50pt; width: 512pt; top: 772pt; height: 20pt;
}
}
</style>-->
</HEAD>
<BODY>
<DIV id="page_1">
<DIV id="dimg1">
<IMG src="template_images/template1x1.jpg" id="img1">
</DIV>
<DIV id="id_1">
<P class="p0 ft0">This is the last Will and Testament of __name__</P>
</DIV>
<DIV id="id_2">
<P class="p0 ft1">Willys</P>
</DIV>
</DIV>
<DIV id="page_2">
<P class="p1 ft1">LAST WILL AND TESTAMENT OF __NAME__</P>
<P class="p2 ft2">2</P>
<P class="p3 ft3">This will is made by me __name__ of __address__.</P>
<P class="p4 ft5"><SPAN class="ft2">1.</SPAN><SPAN class="ft4">Last will and testament</SPAN></P>
<P class="p5 ft3">I revoke all prior wills and testamentary acts.</P>
<P class="p4 ft5"><SPAN class="ft2">2.</SPAN><SPAN class="ft4">Executor</SPAN></P>
<P class="p5 ft3"><SPAN class="ft2">(a)</SPAN><SPAN class="ft6">I appoint my partner __partner1__ to be the executor of my Will.</SPAN></P>
<P class="p6 ft8"><SPAN class="ft2">(b)</SPAN><SPAN class="ft7">If __partner1__ is unable or unwilling to act as my executor I appoint in the alternative __exec1_name__ of __exec1_address__, to act as my executor.</SPAN></P>
<P class="p7 ft5"><SPAN class="ft2">3.</SPAN><SPAN class="ft4">Guardians</SPAN></P>
<P class="p8 ft8"><SPAN class="ft2">(a)</SPAN><SPAN class="ft9">I appoint __guardian_name__ of __guardian_address__ to be guardian of any minor children I have at the time of my death.</SPAN></P>
<P class="p9 ft11"><SPAN class="ft2">(b)</SPAN><SPAN class="ft10">This appointment applies only if the other parent of any minor children I have at the time of my death does not survive me or is unable to care for them.</SPAN></P>
<P class="p10 ft5"><SPAN class="ft2">4.</SPAN><SPAN class="ft4">Beneficiaries</SPAN></P>
<P class="p11 ft13"><SPAN class="ft2">(a)</SPAN><SPAN class="ft12">If my partner survives me by 30 days, I give my entire estate to __partner__.</SPAN></P>
<P class="p12 ft13"><SPAN class="ft2">(b)</SPAN><SPAN class="ft14">If my partner does not survive me by 30 days I give the balance of my estate in equal shares to my children __children__.</SPAN></P>
<P class="p13 ft11"><SPAN class="ft2">(c)</SPAN><SPAN class="ft15">If any of my children die before any gift to them takes effect and they are survived by children of their own (i.e. my grandchildren) then I give the share of my estate that would have gone to my deceased child to their children in equal shares.</SPAN></P>
<P class="p14 ft5"><SPAN class="ft2">5.</SPAN><SPAN class="ft4">Alternative beneficiaries</SPAN></P>
<P class="p15 ft16">If the gifts above fail to take effect then and only then I give my estate in equal shares to __children__.</P>
<P class="p10 ft5"><SPAN class="ft2">6.</SPAN><SPAN class="ft4">Funeral directions</SPAN></P>
<TABLE cellpadding=0 cellspacing=0 class="t0">
<TR>
<TD class="tr0 td0"><P class="p16 ft17">___________________</P></TD>
<TD class="tr0 td1"><P class="p17 ft17">___________________</P></TD>
<TD class="tr0 td2"><P class="p18 ft18">___________________</P></TD>
</TR>
<TR>
<TD class="tr1 td0"><P class="p16 ft17">Testator sign</P></TD>
<TD class="tr1 td1"><P class="p19 ft17">Witness 1 sign</P></TD>
<TD class="tr1 td2"><P class="p20 ft17">Witness 2 sign</P></TD>
</TR>
</TABLE>
</DIV>
<DIV id="page_3">
<P class="p1 ft1">LAST WILL AND TESTAMENT OF __NAME__</P>
<P class="p2 ft2">3</P>
............