打印网页内容而不从下拉菜单刷新页面 [英] Print content of a web page without refreshing the page from a dropdown menu
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问题描述
我正在创建一个简单的HTML页面,使用javascript在HTML页面中显示一些内容,我想从下拉菜单中打印内容一切正常,但是当我打印完成并且ynamic数据从网络中消失时页面会刷新页。
我试过
event.preventDefault();和< a href = # önclick = printReading( event);返回false; >
等但是从下一次操作中禁用了下拉菜单。
我的示例代码是
< html >
< head >
< span class =code-keyword>< meta charset = utf-8 >
< title > 示例< / title >
< meta name = viewport content = width = device-width,initial-scale = 1.0 >
< / head >
< body >
< div < span class =code-attribute> class = click-nav >
< ul class = no-js >
< li >
< a CLA ss = clicker > < img src = img / i-1.png alt = 图标 > 选项< / a >
< ul >
< li > < a href = # önClick = printReading(event); > < img src = img / i-2.png alt = 图标 > 打印< / a > < / li >
< li > < span class =code-keyword>< a href = # > < img src = img / i-5.png alt = 图标 > 帮助< < span class =co de-leadattribute> / a > < / li >
< < span class =code-leadattribute> / ul >
< / li >
< / ul >
< ; / div >
< span class =code-keyword>< script src = http://ajax.googleapis.com/ajax/libs/jquer y / 1.9.1 / jquery.min.js > < / script >
< script >
$ ( function (){
// Clickable下拉
$(' 。click-nav> ul')。toggleClass(' no-js js');
$(' 。click-nav .js ul')。hide();
$(' 。click-nav .js')。click( function (e){
$(' 。click-nav .js ul')。slideToggle( 200 );
$(' 。clicker')。toggleClass(' active');
e.stopPropagation();
});
$( document )。click( function (){
if ($(' 。click-nav .js ul')。is(' :visible')){
$(' 。click-nav .js ul', this ).slideUp();
$(' 。clicker')。removeClass(' active');
}
});
});
function printReading(event)
{
var divElements = document .getElementById( printarea跨度>)的innerHTML。
var oldPage = document .body.innerHTML;
document .body.innerHTML =
< html>< head>< title>< / title>< / head>< body> +
divElements + < / body>;
window .print();
document .body.innerHTML = oldPage;
// event.preventDefault();
}
< span class =code-keyword> function addDummyData()
{
var table = document .getElementById(' readings_table');
var row = table.insertRow( 0 );
var cell1 = row.insertCell( 0 );
cell1.innerHTML = 示例数据;
}
< / script >
< 按钮 onclick = addDummyData() > 点击我< / button >
< div id = printarea >
< table id = readings_table width = 100% border = 1 > < / table >
< / div >
< / body >
< / html >
解决方案
( function (){
// Clickable Dropdown
(' 。click-nav> ul')。toggleClass(' no-js js');
(' 。click-nav .js ul')。hide() ;
I am creating a simple HTML page to display some content in HTML page using javascript and I want to print the content from a drop down menu everything works but the page is refreshing when I print finishes and the ynamic data is disappeared from web page.
I tried
event.preventDefault(); and <a href="#" önclick="printReading(event);return false;">
etc but that disabled the dropdown menu from next operation.
My sample code is
<html>
<head>
<meta charset="utf-8">
<title>Sample </title>
<meta name="viewport" content="width=device-width,initial-scale=1.0">
</head>
<body>
<div class="click-nav">
<ul class="no-js">
<li>
<a class="clicker"><img src="img/i-1.png" alt="Icon">Options</a>
<ul>
<li><a href="#" önClick="printReading(event);"><img src="img/i-2.png" alt="Icon">Print</a></li>
<li><a href="#"><img src="img/i-5.png" alt="Icon">Help</a></li>
</ul>
</li>
</ul>
</div>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script>
$(function() {
// Clickable Dropdown
$('.click-nav > ul').toggleClass('no-js js');
$('.click-nav .js ul').hide();
$('.click-nav .js').click(function(e) {
$('.click-nav .js ul').slideToggle(200);
$('.clicker').toggleClass('active');
e.stopPropagation();
});
$(document).click(function() {
if ($('.click-nav .js ul').is(':visible')) {
$('.click-nav .js ul', this).slideUp();
$('.clicker').removeClass('active');
}
});
});
function printReading(event)
{
var divElements = document.getElementById("printarea").innerHTML;
var oldPage = document.body.innerHTML;
document.body.innerHTML =
"<html><head><title></title></head><body>" +
divElements + "</body>";
window.print();
document.body.innerHTML = oldPage;
//event.preventDefault();
}
function addDummyData()
{
var table = document.getElementById('readings_table');
var row = table.insertRow(0);
var cell1 =row.insertCell(0);
cell1.innerHTML ="Sample data";
}
</script>
<button onclick="addDummyData()">Click me</button>
<div id="printarea">
<table id="readings_table" width="100%" border="1" ></table>
</div>
</body>
</html>
解决方案
(function() { // Clickable Dropdown
('.click-nav > ul').toggleClass('no-js js');
('.click-nav .js ul').hide();
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