问题描述
我正在尝试在下载 PDF 时在所有屏幕中添加页眉和页脚。我已经使用 jspdf-autotable 添加了带有模拟数据的表格并且能够下载它。但是标题只出现在下载的 PDF 的最后一页
我需要一些帮助才能在所有屏幕中获取带有页码的页眉和页脚。请帮忙。
沙箱中的代码:https://codesandbox.io/s/upbeat-cannon-cfiry?file=/src/App.js:0-1257
import jsPDF from "jspdf";
import "jspdf-autotable";
import { datas } from "./data";
import { renderToString } from "react-dom/server";
import PdfDocument from "./PdfDocument";
export default function App() {
const columns = [
{ title: "Rank",dataKey: "Rank" },{ title: "Name",dataKey: "Name" },{ title: "count",dataKey: "count" }
];
var rows = datas?.map((data) => ({
Rank: data?.Rank,Name: data?.Name,count: data?.count
}));
const downloadPdf = () => {
const string = renderToString(<PdfDocument />);
var doc = new jsPDF("p","pt");
doc.setFontSize(20);
doc.setTextColor(40);
doc.setFontStyle("normal");
doc.autoTable(columns,rows,{
startY: doc.autoTable() + 70,margin: { horizontal: 10 },styles: { overflow: "linebreak" },bodyStyles: { valign: "top" },columnStyles: { email: { columnWidth: "wrap" } },theme: "striped",showHead: "everyPage"
});
doc.fromHTML(string);
doc.save("random.pdf");
};
return (
<div className="App">
<h1>Hello CodeSandBox</h1>
<h2>Start editing to see some magic happen!</h2>
<button onClick={downloadPdf}> Download PDF </button>
</div>
);
}
解决方法
AutoTable
提供了用于自定义表格内容和样式的钩子列表。
您可以使用 didDrawPage
钩子将页眉和页脚添加到您的页面。你可以这样做:
doc.autoTable(columns,rows,{
startY: doc.autoTable() + 70,margin: { horizontal: 10 },styles: { overflow: "linebreak" },bodyStyles: { valign: "top" },columnStyles: { email: { columnWidth: "wrap" } },theme: "striped",showHead: "everyPage",didDrawPage: function (data) {
// Header
doc.setFontSize(20);
doc.setTextColor(40);
doc.text("Report",data.settings.margin.left,22);
// Footer
var str = "Page " + doc.internal.getNumberOfPages();
doc.setFontSize(10);
// jsPDF 1.4+ uses getWidth,<1.4 uses .width
var pageSize = doc.internal.pageSize;
var pageHeight = pageSize.height
? pageSize.height
: pageSize.getHeight();
doc.text(str,pageHeight - 10);
}
});
结果: