<script type="text/javascript">
//<input ID="xy" /><input id="xy2" />
//SetSizeByDrop('WebChart1');
document.onmousemove = this_MouseMove;
var oldCss = "";
function SetSizeByDrop(ID)
{
var obj = document.getElementById(ID);
// var div = document.createElement('<div id="div' + ID + '"></div>');
// obj.parentNode.insertBefore(div); div.insertBefore(obj);
// div.style.height = obj.offsetHeight; div.style.width = obj.offsetWidth;
obj.classname = 'vframe';
}
//鼠标移动事件
function this_MouseMove(e){
var e, obj;
obj = document.getElementById('WebChart1');
e=window.event?window.event:e;
SetDivFrameStyle(e,obj,oldCss);
}
//设置对象边框及光标样式
function SetDivFrameStyle(e1,obj1,oldCss)
{
var b = SetCursorStyle(e1,obj1);
if(b)
{
oldCss = obj1.className;
obj1.className = 'vframe';
}
else
{
obj1.className = oldCss;
}
}
//设置光标样式
function SetCursorStyle(e2,obj2)
{
obj2 = document.getElementById('WebChart1');
var x,y,r,b,i,isL,isR,isT,isb;
x = e2.clientX; y = e2.clientY; i = 10;
r = obj2.offsetLeft+obj2.offsetWidth; b = obj2.offsetTop+obj2.offsetHeight;
isT = similar(y,obj2.offsetTop,i);
isB = similar(y,b,i);
isL = similar(x,obj2.offsetLeft,i);
isR = similar(x,r,i);
// $('xy2').value = obj2.offsetLeft +" | 上"+ obj2.offsetTop +" | 右"+ r +" | 下"+ b;
// $('xy').value = x +":"+ y + obj2.classname;
if(isL && isT) {obj2.style.cursor = "nw-resize";return true;} //左上
if(isL && isB) {obj2.style.cursor = "sw-resize";return true;}
if(isR && isT) {obj2.style.cursor = "ne-resize";return true;} //右上
if(isR && isB) {obj2.style.cursor = "se-resize";return true;}
if(isL) {obj2.style.cursor = "e-resize";return true;} //左
if(isR) {obj2.style.cursor = "e-resize";return true;} //右
if(isT) {obj2.style.cursor = "s-resize";return true;} //上
if(isB) {obj2.style.cursor = "s-resize";return true;} //下
obj2.style.cursor = "";
return false;
}
//比较n1与n2之差是否在模糊值i的范围之内
function similar(n1,n2,i)
{
if(Math.abs(n1-n2)<=i) return true;
else return false;
}
</script>
在做到鼠标移到图片边框,让图片外的DIV显示红色边框时,显示不出来,有谁看看是那的原因? 手头还有其他事,回头我再看看