急！文本部分复制功能

Question

本帖最后由 liyuqa 于 2011-02-27 20:01:23 编辑

Answer 1

<meta http-equiv="content-type" content="text/html; charset=utf-8" />
<div>theforever_(赵亮,碧海情天,断水寒刀)theforever_(赵亮,碧海情天,断水寒刀)theforever_(赵亮,碧海情天,断水寒刀)</div>
<button onclick="alert(getInputSelText('theforever'));" >显示选中内容</button>
<script type="text/javascript">
function getInputSelText(id) {
var obj = document.getElementById(id);
var selectedText = "";
if (window.getSelection) {
selectedText = window.getSelection().toString();
}
if (selectedText == "" && document.getSelection) {
selectedText = document.getSelection();
}
if (selectedText == "" && document.selection) {
selectedText = document.selection.createRange().text;
}
if (selectedText == "" && typeof(obj) != 'undefined' && obj != null && obj.selectionStart != undefined && obj.selectionEnd != undefined) {
selectedText = obj.value.substring(obj.selectionStart, obj.selectionEnd);
}
return selectedText;
}
</script>