请问是否可以再html用语句点到点画线? 那请问有程序吗?希望能给我一个![email protected] 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 <BODY><div id=div1></div><SCRIPT LANGUAGE="JavaScript"><!--div1.innerHTML = drawLine(100,100,500,300,"red");document.writeln("<style>");document.writeln(".emuW{position:absolute;font-size:1px;width:1}");document.writeln(".emuH{position:absolute;font-size:1px;height:1}");document.writeln(".emuWH{position:absolute;font-size:1px;width:1;height:1}");document.writeln("A{text-decoration:none;color:#FF66FF}");document.writeln("</style>");function drawLine(x0,y0,x1,y1,color){ x0 = Math.round(x0); x1 = Math.round(x1); y0 = Math.round(y0); y1 = Math.round(y1); var rs = ""; if (y0 == y1){ //»­ºáÏß if (x0>x1){var t=x0;x0=x1;x1=t} rs = "<img border=0 class=emuH style='top:"+y0+";left:"+x0+";background-color:"+color+"; width:"+Math.abs(x1-x0)+"'/>"; } else if (x0 == x1){ //»­ÊúÏß if (y0>y1){var t=y0;y0=y1;y1=t} rs = "<img border=0 class=emuW style='top:"+y0+";left:"+x0+";background-color:"+color+";height:"+Math.abs(y1-y0)+"'/>"; } else{ var lx = x1-x0; var ly = y1-y0; if (Math.abs(lx)>Math.abs(ly)){ if (ly<0){ var t=x0;x0=x1;x1=t; t=y0;y0=y1;y1=t; lx = -lx; ly = -ly; } var dx = lx/ly; rs = new Array(ly); for (var i=0;i<ly;i++){ var left,width; if (dx>0){ left = Math.round(i*dx); width = Math.round((i+1)*dx)-left; left += x0; if (width+left>x1) width = x1-left; }else{ left = Math.round((i+1)*dx); width = Math.round((i)*dx)-left; left += x0; if (left<x1) { width = width+left-x1; left=x1; } } rs[i] = "<img border=0 class=emuH style='top:"+(y0+i)+";left:"+left+";width:"+width+";background-color:"+color+"'/>"; } }else{ if (lx<0){ var t=x0;x0=x1;x1=t; t=y0;y0=y1;y1=t; lx = -lx; ly = -ly; } var dy = ly/lx; rs = new Array(lx); for (var i=0;i<lx;i++){ var top,height; if (dy>0){ top = Math.round(i*dy); height = Math.round((i+1)*dy)-top; top += y0; if (height+top>y1) height = y1-top; }else{ top = Math.round((i+1)*dy); height = Math.round((i)*dy)-top; top += y0; if (top<y1) { height = height+top-y1; top=y1; } } rs[i] = "<img border=0 class=emuW style='top:"+top+";left:"+(x0+i)+";height:"+height+";background-color:"+color+"'/>"; } } rs = rs.join(""); } return rs}//--></SCRIPT></BODY>呵呵,晕了没?div1.innerHTML = drawLine(100,100,500,300,"red");这一句可以改坐标和颜色。 新人求教JS 自动求和 js怎么获取表单的值!!! JavaScript实现文字收缩? 怎么遍历节点 如何执行AJAX返回的带SRC类型的script 正则表达式问题 在线等候~~ 高手快来!如何得到":"的ASCII码? 寻求正则式帮助,求html链接的搜索提取正则式 clientX, clientY,offsetX, offsetY,screenX, screenY, x, y 的区别是什么? 求高手合并两个jqery插件 本人刚入行新手勿喷 小问题 请问文本框有没有失去焦点事件
<div id=div1></div><SCRIPT LANGUAGE="JavaScript">
<!--
div1.innerHTML = drawLine(100,100,500,300,"red");
document.writeln("<style>");
document.writeln(".emuW{position:absolute;font-size:1px;width:1}");
document.writeln(".emuH{position:absolute;font-size:1px;height:1}");
document.writeln(".emuWH{position:absolute;font-size:1px;width:1;height:1}");
document.writeln("A{text-decoration:none;color:#FF66FF}");
document.writeln("</style>");
function drawLine(x0,y0,x1,y1,color){
x0 = Math.round(x0);
x1 = Math.round(x1);
y0 = Math.round(y0);
y1 = Math.round(y1);
var rs = "";
if (y0 == y1){ //»­ºáÏß
if (x0>x1){var t=x0;x0=x1;x1=t}
rs = "<img border=0 class=emuH style='top:"+y0+";left:"+x0+";background-color:"+color+"; width:"+Math.abs(x1-x0)+"'/>";
}
else if (x0 == x1){ //»­ÊúÏß
if (y0>y1){var t=y0;y0=y1;y1=t}
rs = "<img border=0 class=emuW style='top:"+y0+";left:"+x0+";background-color:"+color+";height:"+Math.abs(y1-y0)+"'/>";
}
else{
var lx = x1-x0;
var ly = y1-y0;
if (Math.abs(lx)>Math.abs(ly)){
if (ly<0){
var t=x0;x0=x1;x1=t;
t=y0;y0=y1;y1=t;
lx = -lx;
ly = -ly;
}
var dx = lx/ly;
rs = new Array(ly);
for (var i=0;i<ly;i++){
var left,width;
if (dx>0){
left = Math.round(i*dx);
width = Math.round((i+1)*dx)-left;
left += x0;
if (width+left>x1) width = x1-left;
}else{
left = Math.round((i+1)*dx);
width = Math.round((i)*dx)-left;
left += x0;
if (left<x1) {
width = width+left-x1;
left=x1;
}
}
rs[i] = "<img border=0 class=emuH style='top:"+(y0+i)+";left:"+left+";width:"+width+";background-color:"+color+"'/>";
}
}else{
if (lx<0){
var t=x0;x0=x1;x1=t;
t=y0;y0=y1;y1=t;
lx = -lx;
ly = -ly;
}
var dy = ly/lx;
rs = new Array(lx);
for (var i=0;i<lx;i++){
var top,height;
if (dy>0){
top = Math.round(i*dy);
height = Math.round((i+1)*dy)-top;
top += y0;
if (height+top>y1) height = y1-top;
}else{
top = Math.round((i+1)*dy);
height = Math.round((i)*dy)-top;
top += y0;
if (top<y1) {
height = height+top-y1;
top=y1;
}
}
rs[i] = "<img border=0 class=emuW style='top:"+top+";left:"+(x0+i)+";height:"+height+";background-color:"+color+"'/>";
}
}
rs = rs.join("");
}
return rs
}//-->
</SCRIPT>
</BODY>呵呵,晕了没?div1.innerHTML = drawLine(100,100,500,300,"red");这一句可以改坐标和颜色。