📄 test.html
字号:
<html>
<head>
<title>Test of inserting characters at cursor position</title>
<script type="text/javascript" src="jquery.pack.js"></script>
<script>
function setCaret(textObj){
if(textObj.createTextRange){
textObj.caretPos=document.selection.createRange().duplicate();
}
}
function insertAtCaret(textObj,textFeildValue){
if(document.all&&textObj.createTextRange&&textObj.caretPos){
var caretPos=textObj.caretPos;
caretPos.text=caretPos.text.charAt(caretPos.text.length-1)==''?textFeildValue+'':textFeildValue;
}else if(textObj.setSelectionRange){
var rangeStart=textObj.selectionStart;
var rangeEnd=textObj.selectionEnd;
var tempStr1=textObj.value.substring(0,rangeStart);
var tempStr2=textObj.value.substring(rangeEnd);
textObj.value=tempStr1+textFeildValue+tempStr2;
textObj.focus();
var len=textFeildValue.length;
textObj.setSelectionRange(rangeStart+len,rangeStart+len);
textObj.blur();
}else {
textObj.value+=textFeildValue;
}
}
$(document).ready(function(){
if($.browser.msie){
$("#tag")
.click(function(){
setCaret($(this).get(0));
})
.select(function(){
setCaret($(this).get(0));
})
.keyup(function(){
setCaret($(this).get(0));
});
$("#tagA")
.click(function(){
setCaret($(this).get(0));
})
.select(function(){
setCaret($(this).get(0));
})
.keyup(function(){
setCaret($(this).get(0));
});
}
$("a.insertTag")
.click(function(){
insertAtCaret($("#tag").get(0),$(this).html());
});
$("a.insertTagA")
.click(function(){
insertAtCaret($("#tagA").get(0),$(this).html());
});
});
</script>
</head>
<body>
References:<br/>
http://www.dnew.cn/post/287.htm<br/>
http://blog.vishalon.net/Post/57.aspx
<div>
<form>
<input type="text" id="tag" value="testtesttest" size="50" /><br/>
<a class="insertTag" href="javascript:void(0)">tag1</a>
<a class="insertTag" href="javascript:void(0)">tag2</a>
<br/>
<textarea id="tagA" style="width:300px;height:120px;" >tttttt tttt</textarea><br/>
<a class="insertTagA" href="javascript:void(0)">tag3</a>
<a class="insertTagA" href="javascript:void(0)">tag4</a>
</form>
</div>
</body>
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