Js仿开心网好友印象功能（点击文字弹出印象框）

2009-12-31 综合应用 243℃

<!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>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="author" content="Chomo" />
<link rel="start" href="http://www.14px.com" title="Home" />
<title>仿开心网好友印象功能</title>
<style type="text/css">
	.box{ width:500px; padding:10px; height:auto; overflow:hidden; text-align:center}
	.box span{ line-height:30px; height:30px;white-space:nowrap; display:inline-block; cursor:pointer}
	.box a,.box a:hover{ padding:10px;color:#fff; line-height:16px;font-weight:bold; font-size:14px;text-decoration:none; position:relative; border:0;}
	.box a:hover{ border:2px #09e solid;padding:8px;}
	input.cur{ border:1px #c00 outset}
</style>
</head>
<body>
<div class="box"><span><a href="#">色鬼</a></span><span><a href="#">你懂个啥</a></span><span><a href="#">-……-</a></span><span><a href="#">休息</a></span><span><a href="#">帅气</a></span><span><a href="#" >天涯地方</a></span><span><a href="#">无法形容</a></span><span><a href="#" >才子</a></span></div>
<br/><br/><input type="text" value="asd" maxlength="20" id="input-txt"/><input type="button" value="评价" id="input-btn"/>
<script type="text/javascript">
function randomColor() {	//16进制方式表示颜色0-F	
	var arrHex = ["0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"];	
	var strHex = "#";	
	var index;	
	for(var i = 0; i < 6; i++) {	//取得0-15之间的随机整数	
		index = Math.round(Math.random() * 15);		
		strHex += arrHex[index];
	}	
	return strHex;
}
function changeColor(){
	var links = document.getElementsByTagName("a");
	for(var i=0;i<links.length;i++){
		var bgColor = randomColor();//改变背景色的代码，根据修去修改。
		links[i].style.backgroundColor = bgColor;
	}
}
function sayHi(){
	var scolor,links = document.getElementsByTagName("a");
	for(var i=0;i<links.length;i++){
		links[i].onmouseover = function(){
			scolor = this.style.backgroundColor;
			this.style.color = scolor;
			this.style.borderColor = scolor;
			this.style.backgroundColor = "white";
		}
		links[i].onmouseout = function(){
			this.style.color = "white";
			this.style.borderColor = "";
			this.style.backgroundColor = scolor;
		}
		links[i].onmousedown = function(){
			alert('你对XXX的印象是 "'+this.childNodes[0].nodeValue+'"');
		}
	}
}
function addEvaluation(){
	var txt = document.getElementById("input-txt");
	var btn = document.getElementById("input-btn");
	var divs = document.getElementsByTagName("div")[0];
	if(!txt) return false;
	if(!btn) return false;
	var texts,links,spans;
	txt.onfocus = function(){
		btn.className="cur";
	}
	txt.onblur = function(){
		btn.className="";
	}
	btn.onclick = function(){
		if(txt.value=="") {
			alert("请输入一个印象词");
			return false
		};
		texts = document.createTextNode(txt.value);
		links = document.createElement("a");
		spans = document.createElement("span");
		links.appendChild(texts);
		links.style.backgroundColor = randomColor();
		spans.appendChild(links);
		divs.appendChild(spans);
		sayHi();
	}
}
changeColor();
sayHi();
addEvaluation();
</script>
</body>
</html>

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