如何解决数据表 PDFExport 将行内容垂直居中
我有一个导出 pdf 文档的数据表，如下所示：
如何使行内的文本垂直居中对齐，如下所示？
这是我的示例代码：
<html>
<head>
<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/1.10.23/css/jquery.dataTables.css"/>
<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/buttons/1.6.5/css/buttons.dataTables.css"/>
</head>
<body>
<table id="example" class="display" style="width:100%">
<thead>
<tr>
<th>Name</th>
<th>Position</th>
<th>Office</th>
<th>Age</th>
<th>Start<br />date</th>
<th>Salary</th>
</tr>
</thead>
<tbody>
<tr>
<td>Tiger<br />Nixon</td>
<td>System<br />Architect</td>
<td>Edinburgh</td>
<td>61</td>
<td>2011/04/25</td>
<td>$320,800</td>
</tr>
<tr>
<td>Garrett<br />Winters</td>
<td>Accountant</td>
<td>Tokyo</td>
<td>63</td>
<td>2011/07/25</td>
<td>$170,750</td>
</tr>
<tr>
<td>Ashton<br />Cox</td>
<td>Junior<br />Technical<br />Author</td>
<td>San<br />Francisco</td>
<td>66</td>
<td>2009/01/12</td>
<td>$86,000</td>
</tr>
<tr>
<td>Cedric<br />Kelly</td>
<td>Senior<br />Javascript<br />Developer</td>
<td>Edinburgh</td>
<td>22</td>
<td>2012/03/29</td>
<td>$433,060</td>
</tr>
<tr>
<td>Airi<br />Satou</td>
<td>Accountant</td>
<td>Tokyo</td>
<td>33</td>
<td>2008/11/28</td>
<td>$162,700</td>
</tr>
</tbody>
<tfoot>
<tr>
<th>Name</th>
<th>Position</th>
<th>Office</th>
<th>Age</th>
<th>Start<br />date</th>
<th>Salary</th>
</tr>
</tfoot>
</table>
<script type="text/javascript" src="https://code.jquery.com/jquery-3.3.1.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/pdfmake/0.1.36/pdfmake.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/pdfmake/0.1.36/vfs_fonts.js"></script>
<script type="text/javascript" src="https://cdn.datatables.net/1.10.23/js/jquery.dataTables.js"></script>
<script type="text/javascript" src="https://cdn.datatables.net/buttons/1.6.5/js/dataTables.buttons.js"></script>
<script type="text/javascript" src="https://cdn.datatables.net/buttons/1.6.5/js/buttons.html5.js"></script>
<script>
$(document).ready(function() {
$('#example').DataTable({
dom: "Bftrip",buttons: [
{
extend: 'pdfHtml5',footer: true,exportOptions: {
format: {
header: function ( data,row,column,node ) {
return data.replace(/<br\s*\/?>/ig,"\r\n");
},body: function ( data,footer: function ( data,"\r\n");
}
},},customize: function(doc) {
doc.pageMargins = [50,50,50];
doc.content.splice(0,1);
doc.content[0].table.widths = [80,80,80];
var rowCount = document.getElementById('example').rows.length-1;
for(var a=1; a<rowCount; a++) {
doc.content[0].table.body[a][0].alignment = 'left';
doc.content[0].table.body[a][1].alignment = 'center';
doc.content[0].table.body[a][2].alignment = 'center';
doc.content[0].table.body[a][3].alignment = 'center';
doc.content[0].table.body[a][4].alignment = 'center';
doc.content[0].table.body[a][5].alignment = 'right';
}
var objLayout = {};
objLayout['hLineWidth'] = function(i) { return .5; };
objLayout['vLineWidth'] = function(i) { return .5; };
objLayout['hLineColor'] = function(i) { return '#aaa'; };
objLayout['vLineColor'] = function(i) { return '#aaa'; };
objLayout['paddingLeft'] = function(i) { return 2; };
objLayout['paddingRight'] = function(i) { return 2; };
doc.content[0].layout = objLayout;
}
}
]
});
});
</script>
</body>
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