我很抱歉我的英语很差,而且我还是个初学者,但是我该怎么做呢?
<html>
<title>form</title>
<script type = "text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jspdf/1.3.2/jspdf.min.js"></script>
<script type= "text/javascript">
function genPDF() {
var doc = new jsPDF();
doc.text(45,45, "burgerking");
doc.addImage(imgData, 'JPEG',0.25, 0.25, 210, 300);
doc.addPage();
doc.addImage(imgData, 'JPEG',0.25, 0.25, 210, 300);
doc.addPage();
doc.addImage(imgData, 'JPEG',0.25, 0.25, 210, 300);
if (document.getElementById("ice-cream").value == "choco") {
doc.text(50,65, "please work")
}
else {
doc.text(50,65, "knowing that you'll learn stuff when");
doc.text(50,69, "failing miserably, you're filled with xd");
}
doc.save('form.pdf')
}
</script>
<div>
<label>what kind of ice cream do you want?```<br>
<select id="ice-cream" onchange="genPDF()">```<br>
<option value="vani"> Vanilla </option>```<br>
<option value="choco"> Chocolate </option>```<br>
</select><br><br>
</div>显然,代码不能工作,所以任何人都可以帮助;-;
发布于 2021-10-19 14:15:26
这是正常工作的代码。你查过imgData了吗。这就违反了规则。我刚刚发表了评论,它起作用了。同时检查Pdf的最后一页。
<html>
<title>form</title>
<script type = "text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jspdf/1.3.2/jspdf.min.js"></script>
<script type= "text/javascript">
function genPDF() {
var doc = new jsPDF();
doc.text(45,45, "burgerking");
//doc.addImage(imgData, 'JPEG',0.25, 0.25, 210, 300);
doc.addPage();
//doc.addImage(imgData, 'JPEG',0.25, 0.25, 210, 300);
doc.addPage();
//doc.addImage(imgData, 'JPEG',0.25, 0.25, 210, 300);
alert(document.getElementById("ice-cream").value)
if (document.getElementById("ice-cream").value == "choco") {
alert('ere');
doc.text(50,65, "please work")
}
else {
doc.text(50,65, "knowing that you'll learn stuff when");
doc.text(50,69, "failing miserably, you're filled with xd");
}
doc.save('form.pdf')
}
</script>
<div>
<label>what kind of ice cream do you want?```<br>
<select id="ice-cream" onchange="genPDF()">```<br>
<option value="vani"> Vanilla </option>```<br>
<option value="choco"> Chocolate </option>```<br>
</select><br><br>
</div>https://stackoverflow.com/questions/69632322
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