html代码：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<script src="1.js"></script>
</head>
<body>
<input onmouseover="wsug(event,‘【提示】<br/>此信息来自病人档案，如需修改请去病人档案处修改。‘)" onmouseout="wsug(event,0)"/>
</body>
</html>
js代码：
/**
* Created by acer on 2016/7/4.
*/
//鼠标放在input上 出现提示信息
function wsug(e, str) {
var oThis = arguments.callee;
if (!str) {
oThis.sug.style.visibility = ‘hidden‘;
document.onmousemove = null;
return;
}
if (!oThis.sug) {
var div = document.createElement(‘div‘), css = ‘top:0; left:0; position:absolute; z-index:100; visibility:hidden‘;
div.style.cssText = css;
div.setAttribute(‘style‘, css);
var sug = document.createElement(‘div‘), css = ‘font:normal 12px/16px "宋体"; white-space:nowrap; color:#666; padding:3px; position:absolute; left:0; top:0; z-index:10; background:#f9fdfd; border:1px solid #0aa‘;
sug.style.cssText = css;
sug.setAttribute(‘style‘, css);
var dr = document.createElement(‘div‘), css = ‘position:absolute; top:3px; left:3px; background:#333; filter:alpha(opacity=50); opacity:0.5; z-index:9‘;
dr.style.cssText = css;
dr.setAttribute(‘style‘, css);
var ifr = document.createElement(‘iframe‘), css = ‘position:absolute; left:0; top:0; z-index:8; filter:alpha(opacity=0); opacity:0‘;
ifr.style.cssText = css;
ifr.setAttribute(‘style‘, css);
div.appendChild(ifr);
div.appendChild(dr);
div.appendChild(sug);
div.sug = sug;
document.body.appendChild(div);
oThis.sug = div;
oThis.dr = dr;
oThis.ifr = ifr;
div = dr = ifr = sug = null;
}
var e = e || window.event, obj = oThis.sug, dr = oThis.dr, ifr = oThis.ifr;
obj.sug.innerHTML = str;
var w = obj.sug.offsetWidth, h = obj.sug.offsetHeight, dw = document.documentElement.clientWidth
|| document.body.clientWidth;
dh = document.documentElement.clientHeight || document.body.clientHeight;
var st = document.documentElement.scrollTop || document.body.scrollTop, sl = document.documentElement.scrollLeft
|| document.body.scrollLeft;
var left = e.clientX + sl + 17 + w < dw + sl && e.clientX + sl + 15
|| e.clientX + sl - 8 - w, top = e.clientY + st + 17 + h < dh + st
&& e.clientY + st + 17 || e.clientY + st - 5 - h;
obj.style.left = left + 10 + ‘px‘;
obj.style.top = top + 10 + ‘px‘;
dr.style.width = w + ‘px‘;
dr.style.height = h + ‘px‘;
ifr.style.width = w + 3 + ‘px‘;
ifr.style.height = h + 3 + ‘px‘;
obj.style.visibility = ‘visible‘;
document.onmousemove = function(e) {
var e = e || window.event, st = document.documentElement.scrollTop
|| document.body.scrollTop, sl = document.documentElement.scrollLeft
|| document.body.scrollLeft;
var left = e.clientX + sl + 17 + w < dw + sl && e.clientX + sl + 15
|| e.clientX + sl - 8 - w, top = e.clientY + st + 17 + h < dh
+ st
&& e.clientY + st + 17 || e.clientY + st - 5 - h;
obj.style.left = left + ‘px‘;
obj.style.top = top + ‘px‘;
}
}
页面显示：
时间： 2024-10-18 03:04:40