正文
js 指定位置插入html标签（可编辑div）
提示：扫一扫查出行【扫一扫了解最新限行尾号】
复制提示
demo效果如下：
html代码部分如下：
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>js获取编辑框游标的位置</title>
<script src="http://www.w3school.com.cn/jquery/jquery-1.11.1.min.js" type="text/javascript"></script> <style type="text/css">
#Div1, #Div2
{
width: 500px;
height: 100px;
border: solid 1px black;
}
</style>
</head>
<body>
<button type="button" id="ddddd" >
插入字符
</button>
<div contentEditable="true" style="height:50px; border:2px solid red;" id="test">
dasdsadasdasdasd<img src="http://www.cnblogs.com/images/xml.gif" alt="订阅">dasdasdasdasdsadsa
</div></body>
</html>
<script>
$('#ddddd').click(function(){
document.getElementById('test').focus();
insertHtmlAtCaret('<img src="http://www.cnblogs.com/images/xml.gif" />');
})
function insertHtmlAtCaret(html) {
var sel, range;
if (window.getSelection) {
sel = window.getSelection();
if (sel.getRangeAt && sel.rangeCount) {
range = sel.getRangeAt(0);
range.deleteContents();
var el = document.createElement("div");
el.innerHTML = html;
var frag = document.createDocumentFragment(), node, lastNode;
while ( (node = el.firstChild) ) {
lastNode = frag.appendChild(node);
}
range.insertNode(frag);
if (lastNode) {
range = range.cloneRange();
range.setStartAfter(lastNode);
range.collapse(true);
sel.removeAllRanges();
sel.addRange(range);
}
}
} else if (document.selection && document.selection.type != "Control") {
// IE < 9
document.selection.createRange().pasteHTML(html);
}
}
</script>
