1、获取鼠标位置
<!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" />
<title>获得鼠标的坐标值----当需求为获得的坐标值相对于body时</title>
</head>
<body>
<div style=" width:500px; margin:100px auto;">
<p id="x"></p>
<p id="y"></p>
</div>
<script type="text/javascript">
var x , y;
//当需求为获得的坐标值相对于body时，用：
function positionBody(event){
event = event||window.event;
//获得相对于body定位的横标值；
x=event.clientX
//获得相对于body定位的纵标值；
y=event.clientY
}
//应用：
document.onmousemove = function(event){
positionBody(event);
document.getElementById("x").innerHTML = "x= " + x + "px";
document.getElementById("y").innerHTML = "y= " + y + "px";
}
</script>
</body>
</html>
2、获得鼠标的坐标值----当需求为获得的坐标值相对于body时
<!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" />
<title>获得鼠标的坐标值----当需求为获得的坐标值相对于body时</title>
</head>
<body>
<div style=" width:500px; margin:100px auto;">
<p id="x"></p>
<p id="y"></p>
</div>
<script type="text/javascript" language=JavaScript charset="UTF-8">
document.onkeydown = function(event) {
var e = event || window.event || arguments.callee.caller.arguments[0]; //获取事件（最后一个是火狐）
if(e && e.keyCode == 27) { // 按 Esc
//要做的事情
alert("按下esc")
}
if(e && e.keyCode == 113) { // 按 F2
//要做的事情
alert("按下f2")
}
if(e && e.keyCode == 13) { // enter 键
//要做的事情
alert("按下enter")
}
};
</script>
</body>
</html>
3、控制人物走动
<html>
<head>
<meta charset="utf-8" />
<title>人物走动</title>
</head>
<body onkeydown="show()">
<ul style="posttion:absolute;border:1px solid #999;list-style:none;width:150px;padding:20px;background:#ffffef;">
<li>w：向上</li>
<li>s：向下</li>
<li>a：向左</li>
<li>d：向右</li>
<li>空格：停止</li>
</ul>
<div style="position:absolute;top:0;left:0" id=‘di‘><img src="http://files.jb51.net/file_images/article/201408/201482791327688.gif?201472791345" id="img"></div>
<script>
var img1=‘http://files.jb51.net/file_images/article/201408/201482791656841.gif?201472791722‘;
var img2=‘http://files.jb51.net/file_images/article/201408/201482791327688.gif?201472791345‘;
var x=0;
var y=0;
var xs=0;
var ys=0;
var flag=true;
var zq=null;
function ks(){
zq=setInterval(function(){
var s=document.getElementById(‘img‘);
var str=s.src;
var area=document.getElementById(‘di‘);
var xpos=parseInt(area.style.left);
var ypos=parseInt(area.style.top);
x=x+xs;
y=y+ys;
area.style.left=x;
area.style.top=y;
var pos=str.lastIndexOf(‘/‘)+1;
var hz=str.substr(pos);
if(hz==img1){
s.src= img2;
}else{
s.src= img1;
}
},50);
}
ks();
function show(){
var sz=window.event.keyCode;
switch(sz){
case 87:
img1=‘http://files.jb51.net/file_images/article/201408/ren_h_1.gif‘;
img2=‘http://files.jb51.net/file_images/article/201408/ren_h_2.gif‘;
ys=-5;
xs=0;
break;
case 65:
img1=‘http://files.jb51.net/file_images/article/201408/ren_l_1.gif‘;
img2=‘http://files.jb51.net/file_images/article/201408/ren_l_2.gif‘;
xs=-5;
ys=0;
break;
case 68:
img1=‘http://files.jb51.net/file_images/article/201408/ren_r_1.gif‘;
img2=‘http://files.jb51.net/file_images/article/201408/ren_r_2.gif‘;
xs=5;
ys=0;
break;
case 83:
img1=‘http://files.jb51.net/file_images/article/201408/ren_q_1.gif‘;
img2=‘http://files.jb51.net/file_images/article/201408/ren_q_2.gif‘;
ys=5;
xs=0;
break;
case 32:
if(flag){
clearInterval(zq);
flag=false;
break;
}
case 13:
if(!flag){
ks();
flag=true;
break;
}
}
}
</script>
</body>
</html>