如何在网业上画线? 直线(水平或竖直)的可以直接用一个div层斜线把div层做成1*1的系列排起来就可以了呀 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 呵呵,正巧手头还真的有个不用vml的。<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><TITLE> emu </TITLE><META NAME="Author" CONTENT="emu(ston)"><META NAME="Keywords" CONTENT="javascript"><META NAME="Description" CONTENT="emu's test page"></HEAD><BODY><img src="http://www.csdn.net/images/Homeother/ad.JPG" onclick="tryDraw()"><div id=output></div><SCRIPT LANGUAGE="JavaScript"><!--var xx=50var yy=50;function tryDraw(){ var x = event.x var y = event.y output.innerHTML = drawLine(xx,yy,x,y,"red") xx=x;yy=y;}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 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 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 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 class=emuW style='top:"+top+";left:"+(x0+i)+";height:"+height+";background-color:"+color+"'/>"; } } rs = rs.join(""); } return rs}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>");//--></SCRIPT></BODY></HTML> 介绍个网站给你看看,可能有用http://www.walterzorn.com/ 去楼上介绍的网站看了下,果然不错,和我想到一块去了,从实现方式到优化手段都和我同出一辙。他的: 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) {...我的: var lx = x1-x0; var ly = y1-y0; if (Math.abs(lx)>Math.abs(ly)){ if (ly<0){...我原来画出来的老外几乎都画出来了,不过还缺一招老外没想出来:script画扇型(饼图)呵呵,我得意的笑。 用VMLhttp://www.lshdic.com/VMLEDIT.htm easyUI是jquery官方网站的插件吗 按扭单击事件问题 请教一个extjs的访问问题 GridView72绝技 JavaScrip接收外部参数的问题!急 请问如何通过一个页面元素获得另一页面元素 这段代码我看着别扭,但不知道怎么错了,请帮帮我。 请教一个window.showmodaldialog()的问题 超简单问题 大家英文觉得水平怎样,可不可以达到随见随说的地步? 怎么获得当前页面上的所有的元素,类似于document.all.elements[..]。但是我知道这不行! JS判断是数字且长度为8或9的?急解决,高分
<HTML>
<HEAD>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<TITLE> emu </TITLE>
<META NAME="Author" CONTENT="emu(ston)">
<META NAME="Keywords" CONTENT="javascript">
<META NAME="Description" CONTENT="emu's test page">
</HEAD>
<BODY>
<img src="http://www.csdn.net/images/Homeother/ad.JPG" onclick="tryDraw()">
<div id=output></div><SCRIPT LANGUAGE="JavaScript">
<!--
var xx=50
var yy=50;
function tryDraw(){
var x = event.x
var y = event.y
output.innerHTML = drawLine(xx,yy,x,y,"red")
xx=x;yy=y;
}
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 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 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 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 class=emuW style='top:"+top+";left:"+(x0+i)+";height:"+height+";background-color:"+color+"'/>";
}
}
rs = rs.join("");
}
return rs
}
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>");//-->
</SCRIPT>
</BODY>
</HTML>
http://www.walterzorn.com/
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)
{
...
我的:
var lx = x1-x0;
var ly = y1-y0;
if (Math.abs(lx)>Math.abs(ly)){
if (ly<0){
...
我原来画出来的老外几乎都画出来了,不过还缺一招老外没想出来:script画扇型(饼图)呵呵,我得意的笑。