兼容Android 和 ios JavaScript copy paste
<!DOCTYPE html>
<html>
<head>
<title>关于我们Frame</title>
<meta charset="utf-8">
<meta name="viewport" content="maximum-scale=1.0,minimum-scale=1.0,user-scalable=0,width=device-width,initial-scale=1.0"/>
<meta name="format-detection" content="telephone=no,email=no,date=no,address=no">
<meta name="copyright" content="www.acc5.com" />
<style>
</style>
<script src="http://www.acc5.com/xueli/js/jquery-1.11.3.js"></script>
<script src="http://app-static.acc5.com/app/copy2clipboard.js"></script>
</head>
<body>
hello ,welcome!!!
<input type='text' value='test text144' /><br>
<button onclick="select_all_and_copy(document.getElementById('test'))">Copy to Clipboard</button>
</body>
<script>
$().ready(function(){
$('#test').val('test'+Math.random());
try{
document.execCommand('copy');
}catch(e){}
})
/*
function iosCopyToClipboard(el) {
var oldContentEditable = el.contentEditable,
oldReadOnly = el.readOnly,
range = document.createRange();
el.contenteditable = true;
el.readonly = false;
range.selectNodeContents(el);
var s = window.getSelection();
s.removeAllRanges();
s.addRange(range);
el.setSelectionRange(0, 999999); // A big number, to cover anything that could be inside the element.
el.contentEditable = oldContentEditable;
el.readOnly = oldReadOnly;
document.execCommand('copy');
}
iosCopyToClipboard(document.getElementById('test'))
*/
</script>
</html>
function tooltip(el, message)
{
var scrollLeft = document.body.scrollLeft || document.documentElement.scrollLeft;
var scrollTop = document.body.scrollTop || document.documentElement.scrollTop;
var x = parseInt(el.getBoundingClientRect().left) + scrollLeft + 10;
var y = parseInt(el.getBoundingClientRect().top) + scrollTop + 10;
if (!document.getElementById("copy_tooltip"))
{
var tooltip = document.createElement('div');
tooltip.id = "copy_tooltip";
tooltip.style.position = "absolute";
tooltip.style.border = "1px solid black";
tooltip.style.background = "#dbdb00";
tooltip.style.opacity = 1;
tooltip.style.transition = "opacity 0.3s";
tooltip.style.zIndex = "1999999999"; // Version 1.2b
document.body.appendChild(tooltip);
}
else
{
var tooltip = document.getElementById("copy_tooltip")
}
tooltip.style.opacity = 1;
tooltip.style.display = "block"; // Version 1.2b
tooltip.style.left = x + "px";
tooltip.style.top = y + "px";
tooltip.innerHTML = message;
setTimeout(function() { tooltip.style.display = "none"; tooltip.style.opacity = 0; }, 2000);
}
function paste(el)
{
if (window.clipboardData) {
// IE
el.value = window.clipboardData.getData('Text');
el.innerHTML = window.clipboardData.getData('Text');
}
else if (window.getSelection && document.createRange) {
// non-IE
if (el.tagName.match(/textarea|input/i) && el.value.length < 1)
el.value = " "; // iOS needs element not to be empty to select it and pop up 'paste' button
else if (el.innerHTML.length < 1)
el.innerHTML = " "; // iOS needs element not to be empty to select it and pop up 'paste' button
var editable = el.contentEditable; // Record contentEditable status of element
var readOnly = el.readOnly; // Record readOnly status of element
el.contentEditable = true; // iOS will only select text on non-form elements if contentEditable = true;
el.readOnly = false; // iOS will not select in a read only form element
var range = document.createRange();
range.selectNodeContents(el);
var sel = window.getSelection();
sel.removeAllRanges();
sel.addRange(range);
if (el.nodeName == "TEXTAREA" || el.nodeName == "INPUT")
el.select(); // Firefox will only select a form element with select()
if (el.setSelectionRange && navigator.userAgent.match(/ipad|ipod|iphone/i))
el.setSelectionRange(0, 999999); // iOS only selects "form" elements with SelectionRange
if (document.queryCommandSupported("paste"))
{
var successful = document.execCommand('Paste');
if (successful) tooltip(el, "Pasted.");
else
{
if (navigator.userAgent.match(/android/i) && navigator.userAgent.match(/chrome/i))
{
tooltip(el, "Click blue tab then click Paste");
if (el.tagName.match(/textarea|input/i))
{
el.value = " "; el.focus();
el.setSelectionRange(0, 0);
}
else
el.innerHTML = "";
}
else
tooltip(el, "Press CTRL-V to paste");
}
}
else
{
if (!navigator.userAgent.match(/ipad|ipod|iphone|android|silk/i))
tooltip(el, "Press CTRL-V to paste");
}
el.contentEditable = editable; // Restore previous contentEditable status
el.readOnly = readOnly; // Restore previous readOnly status
}
}
function select_all_and_copy(el)
{
// Copy textarea, pre, div, etc.
if (document.body.createTextRange) {
// IE
var textRange = document.body.createTextRange();
textRange.moveToElementText(el);
textRange.select();
textRange.execCommand("Copy");
tooltip(el, "Copied!");
}
else if (window.getSelection && document.createRange) {
// non-IE
var editable = el.contentEditable; // Record contentEditable status of element
var readOnly = el.readOnly; // Record readOnly status of element
el.contentEditable = true; // iOS will only select text on non-form elements if contentEditable = true;
el.readOnly = false; // iOS will not select in a read only form element
var range = document.createRange();
range.selectNodeContents(el);
var sel = window.getSelection();
sel.removeAllRanges();
sel.addRange(range); // Does not work for Firefox if a textarea or input
if (el.nodeName == "TEXTAREA" || el.nodeName == "INPUT")
el.select(); // Firefox will only select a form element with select()
if (el.setSelectionRange && navigator.userAgent.match(/ipad|ipod|iphone/i))
el.setSelectionRange(0, 999999); // iOS only selects "form" elements with SelectionRange
el.contentEditable = editable; // Restore previous contentEditable status
el.readOnly = readOnly; // Restore previous readOnly status
if (document.queryCommandSupported("copy"))
{
var successful = document.execCommand('copy');
if (successful) tooltip(el, "Copied to clipboard.");
else tooltip(el, "Press CTRL+C to copy");
}
else
{
if (!navigator.userAgent.match(/ipad|ipod|iphone|android|silk/i))
tooltip(el, "Press CTRL+C to copy");
}
}
} // end function select_all_and_copy(el)
function make_copy_button(el)
{
//var copy_btn = document.createElement('button');
//copy_btn.type = "button";
var copy_btn = document.createElement('span');
copy_btn.style.border = "1px solid black";
copy_btn.style.padding = "5px";
copy_btn.style.cursor = "pointer";
copy_btn.style.display = "inline-block";
copy_btn.style.background = "lightgrey";
copy_btn.setAttribute("role", "button");
copy_btn.setAttribute("tabindex", 0);
el.parentNode.insertBefore(copy_btn, el.nextSibling);
copy_btn.onclick = function() { select_all_and_copy(el); };
//if (document.queryCommandSupported("copy") || parseInt(navigator.userAgent.match(/Chrom(e|ium)/([0-9]+)./)[2]) >= 42)
// Above caused: TypeError: 'null' is not an object (evaluating 'navigator.userAgent.match(/Chrom(e|ium)/([0-9]+)./)[2]') in Safari
if (document.queryCommandSupported("copy"))
{
// Desktop: Copy works with IE 4+, Chrome 42+, Firefox 41+, Opera 29+
// Mobile: Copy works with Chrome for Android 42+, Firefox Mobile 41+
//copy_btn.value = "Copy to Clipboard";
copy_btn.innerHTML = "Copy to Clipboard";
}
else
{
// Select only for Safari and older Chrome, Firefox and Opera
/* Mobile:
Android Browser: Selects all and pops up "Copy" button
iOS Safari: Selects all and pops up "Copy" button
iOS Chrome: Form elements: Selects all and pops up "Copy" button
*/
//copy_btn.value = "Select All";
copy_btn.innerHTML = "Select All";
}
}
/* Note: document.queryCommandSupported("copy") should return "true" on browsers that support copy
but there was a bug in Chrome versions 42 to 47 that makes it return "false". So in those
versions of Chrome feature detection does not work!
See https://code.google.com/p/chromium/issues/detail?id=476508
*/
from：http://www.seabreezecomputers.com/tips/copy2clipboard.htm
from：https://*.com/questions/34045777/copy-to-clipboard-using-javascript-in-ios