你到底要红色还是蓝色??function mkDiv(x, y, w, h)
{
this.color="red";//这里自己改颜色
this.htm += '<div style="position:absolute;'+
'left:' + x + 'px;'+
'top:' + y + 'px;'+
'width:' + w + 'px;'+
'height:' + h + 'px;'+
'clip:rect(0,'+w+'px,'+h+'px,0);'+
'background-color:' + this.color + (!jg_moz? ';overflow:hidden' : '')+ ';"><\/div>';
document.all.div2.innerHTML=this.htm;
}
mkLinBlue(0,0,100,100);//这里不是mkLin(0,0,100,100);
{
this.color="red";//这里自己改颜色
this.htm += '<div style="position:absolute;'+
'left:' + x + 'px;'+
'top:' + y + 'px;'+
'width:' + w + 'px;'+
'height:' + h + 'px;'+
'clip:rect(0,'+w+'px,'+h+'px,0);'+
'background-color:' + this.color + (!jg_moz? ';overflow:hidden' : '')+ ';"><\/div>';
document.all.div2.innerHTML=this.htm;
}
mkLinBlue(0,0,100,100);//这里不是mkLin(0,0,100,100);
解决方案 »
- jquery中dialog有关
- 刷新出现不同的flash
- 动态元素id获取的问题
- JS 这段代码在IE6下可以用,在IE7下不能用,怎么办
- 多个form,当一个form提交后,怎么叛断哪个form提交的。
- for循环........
- 怎么判断一个INPUT在哪个DIV
- 能否在文本框text或textarea中不显示html代码而显示html代码的效果?如<textarea><font color="ff0000">test</font></textarea>结果显示t
- 关于表格的事件
- 关于选项卡的疑问,为什么当点击按钮时不会显示对应的DIV求解?
- 求一media播放器代码,要求只显示声音和播放控制的,同时脚本控制?
- 如何用javascript实现真正的仿outlook菜单
那如何画出不同粗细的线条来呢?要不要改这段程序?
要修改线条粗细,只要修改参数w和h就行了,改大点看看。
http://community.csdn.net/Expert/topic/4723/4723810.xml?temp=4.972476E-02
建议楼主还是有vml中的画线把
this.color="red";//这里自己改颜色
w=100;h=100;另外,运行了下程序,效率极低,如果不是有非这样用的必要,这样的方式真是毫不可取。
<body>
<div id="div2">
<script>
var jg_moz;
var color="blue"
var htm="";
function mkDiv(x, y, w, h)
{
this.htm += '<div style="position:absolute;'+
'left:' + x + 'px;'+
'top:' + y + 'px;'+
'width:' + w + 'px;'+
'height:' + h + 'px;'+
'clip:rect(0,'+w+'px,'+h+'px,0);'+
'background-color:' + this.color + (!jg_moz? ';overflow:hidden' : '')+ ';"><\/div>';
document.all.div2.innerHTML=this.htm;
}function mkLin(x1, y1, x2, y2)
{
if (x1 > x2)
{
var _x2 = x2;
var _y2 = y2;
x2 = x1;
y2 = y1;
x1 = _x2;
y1 = _y2;
}
var dx = x2-x1, dy = Math.abs(y2-y1),
x = x1, y = y1,
yIncr = (y1 > y2)? -1 : 1; if (dx >= dy)
{
var pr = dy<<1,
pru = pr - (dx<<1),
p = pr-dx,
ox = x;
while ((dx--) > 0)
{
++x;
if (p > 0)
{
this.mkDiv(ox, y, x-ox, 1);
y += yIncr;
p += pru;
ox = x;
}
else p += pr;
}
this.mkDiv(ox, y, x2-ox+1, 1);
} else
{
var pr = dx<<1,
pru = pr - (dy<<1),
p = pr-dy,
oy = y;
if (y2 <= y1)
{
while ((dy--) > 0)
{
if (p > 0)
{
this.mkDiv(x++, y, 1, oy-y+1);
y += yIncr;
p += pru;
oy = y;
}
else
{
y += yIncr;
p += pr;
}
}
this.mkDiv(x2, y2, 1, oy-y2+1);
}
else
{
while ((dy--) > 0)
{
y += yIncr;
if (p > 0)
{
this.mkDiv(x++, oy, 1, y-oy);
p += pru;
oy = y;
}
else p += pr;
}
this.mkDiv(x2, oy, 1, y2-oy+1);
}
}
}
mkLin(0,0,100,100);
</script>
</div>
</body>
http://www.walterzorn.com/jsgraphics/jsgraphics_e.htm
建议你看看,
<HEAD>
<script src="JScript.js"></script>
</HEAD><body>
<div id="div2">12</div>
<div id="div1">1212</div>
</body>将JScript.js(就是原来提供的代码)加入项目文件中。
然后在后台代码中加入以下代码:
int xr0=100,yr0=100,xr1=200,yr1=300;
string strScript = "<script>mkLin(" + xr0 + "," + yr0 + "," + xr1 + "," + yr1 + ");</script>";
this.RegisterClientScriptBlock("JScript", strScript);
画出来了线,但是颜色全是绿色的。
JScript.js代码如下:var jg_moz;
var color="red"
var htm="";
function mkDiv(x, y, w, h)
{
this.color="red";
this.htm += '<div style="position:absolute;'+
'left:' + x + 'px;'+
'top:' + y + 'px;'+
'width:' + w + 'px;'+
'height:' + h + 'px;'+
'clip:rect(0,'+w+'px,'+h+'px,0);'+
'background-color:' + this.color + (!jg_moz? ';overflow:hidden' : '')+ ';"><\/div>';
document.all.div2.innerHTML=this.htm;
}function mkLin(x1, y1, x2, y2)
{
if (x1 > x2)
{
var _x2 = x2;
var _y2 = y2;
x2 = x1;
y2 = y1;
x1 = _x2;
y1 = _y2;
}
var dx = x2-x1, dy = Math.abs(y2-y1),
x = x1, y = y1,
yIncr = (y1 > y2)? -1 : 1; if (dx >= dy)
{
var pr = dy<<1,
pru = pr - (dx<<1),
p = pr-dx,
ox = x;
while ((dx--) > 0)
{
++x;
if (p > 0)
{
this.mkDiv(ox, y, x-ox, 1);
y += yIncr;
p += pru;
ox = x;
}
else p += pr;
}
this.mkDiv(ox, y, x2-ox+1, 1);
} else
{
var pr = dx<<1,
pru = pr - (dy<<1),
p = pr-dy,
oy = y;
if (y2 <= y1)
{
while ((dy--) > 0)
{
if (p > 0)
{
this.mkDiv(x++, y, 1, oy-y+1);
y += yIncr;
p += pru;
oy = y;
}
else
{
y += yIncr;
p += pr;
}
}
this.mkDiv(x2, y2, 1, oy-y2+1);
}
else
{
while ((dy--) > 0)
{
y += yIncr;
if (p > 0)
{
this.mkDiv(x++, oy, 1, y-oy);
p += pru;
oy = y;
}
else p += pr;
}
this.mkDiv(x2, oy, 1, y2-oy+1);
}
}
}