愿意以100RMB 解决此问题。高手们快来。不为钱也为了实力嘛

<SCRIPT LANGUAGE="JavaScript"> var x,y,a,b,i = 0; function drawline(fromX,fromY,toX,toY) { var strElement= "<v:Line id='line_"+fromX+"_"+fromY+"_"+toX+"_"+toY+"' from='" + fromX + "," + fromY + "' to='" + toX + "," + toY + "' strokecolor='red'></v:Line>"; var newPoint = document.createElement(strElement); document.getElementById("map").appendChild(newPoint); } function draw() { i++; if(i%2==1) { x=window.event.x;y=window.event.y;return false; } a=window.event.x;b=window.event.y; drawline(x,y,a,b); x=a;y=b; } function draws() { if(i%2==1) { if(x==undefined&&b==undefined){return false;} if(x==window.event.x&&b==window.event.y){return false;} if(document.getElementById("TempLine")){document.getElementById("TempLine").outerHTML=""} var strElement= "<v:Line id='TempLine' from='" + x + "," + y + "' to='" + window.event.x + "," + window.event.y + "' strokecolor='red'></v:Line>"; var newPoint = document.createElement(strElement); } document.getElementById("map").appendChild(newPoint); } </SCRIPT> <html xmlns:v="urn:schemas-microsoft-com:vml"> <HEAD> <META http-equiv="Content-Type" content="text/html;Charset=gb2312"> <title>vml实例</title> <STYLE> v\:*{behavior:url(#default#VML);}/*声明V为VML变量*/ </STYLE> </HEAD> <BODY> <table border="1" align="center"> <tr> <td><div id="map" style="width:600px;height:500px;background-color:#cccccc;position:relative;" onmousedown="draw();" onmousemove="draws();"></div> </td> </tr> </table> </body> </html>

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dingsongtao
一翁傾塵『舍得』
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发表于：2008-04-29 22:57:1614楼得分:100

HTML code

<SCRIPT LANGUAGE="JavaScript"> 
var x,y,a,b,i = 0;  
function drawline(fromX,fromY,toX,toY)
{   
    var strElement=   "<v:Line id='line_"+fromX+"_"+fromY+"_"+toX+"_"+toY+"' from='" + fromX + "," + fromY + "' to='" + toX + "," + toY + "' strokecolor='red'></v:Line>";   
    var newPoint = document.createElement(strElement);   
    document.getElementById("map").appendChild(newPoint);     
}
function draw()
{
    i++;
    if(i%2==1)
    {
        x=window.event.x;y=window.event.y;return false;
    }
    a=window.event.x;b=window.event.y;
    drawline(x,y,a,b);
    x=a;y=b;    
}
function draws()
{
    if(i%2==1)
    {
        if(x==undefined&&b==undefined){return false;}
        if(x==window.event.x&&b==window.event.y){return false;}
        if(document.getElementById("TempLine")){document.getElementById("TempLine").outerHTML=""}
        var strElement=   "<v:Line id='TempLine' from='" + x + "," + y + "' to='" + window.event.x + "," + window.event.y + "' strokecolor='red'></v:Line>";  
        var newPoint = document.createElement(strElement);  }  
        document.getElementById("map").appendChild(newPoint);     
}
function savemap(){
    var mapobj=document.getElementById("map");
    var nodes=mapobj.childNodes;
    var nodesNum = nodes.length;
    var cobj,_from,_to,re;
    var LineString="";
    for(var i=nodesNum-1;i>=0;i--) { 
        cobj=nodes[i];
        if(cobj.id!="TempLine"){
            _from=cobj.from+"";
            _to=cobj.to+"";
            re = /pt/g;
            _from=_from.replace(re,"");
            _to=_to.replace(re,"");
            LineString=LineString+_from+"&"+_to+"|";
        }
    }
    mapobj.innerHTML=LineString;
    //将LineString通过ajax方式提交到php页面.并根据返回结果进行提示.
    //ajax的代码就不写了哈,都是晓得的
}
</SCRIPT>
<html xmlns:v="urn:schemas-microsoft-com:vml">   
<HEAD>   
<META http-equiv="Content-Type" content="text/html;Charset=gb2312">   
<title>vml实例</title>   
<STYLE>   
v\:*{behavior:url(#default#VML);}/*声明V为VML变量*/   
</STYLE>   
</HEAD>   
<BODY>
<table border="1" align="center">
    <tr>
        <td><div id="map" style="width:600px;height:500px;background-color:#cccccc;position:relative;" onmousedown="draw();" onmousemove="draws();"></div>
        </td>
    </tr>
</table>
<p align="center">
  <input type="button" name="Submit" value="保存图象" onClick="return savemap();">
</p>
</body>   
</html>

修改删除举报引用回复

<?php header("Content-type: image/jpeg"); $IM = imagecreate (600,500); $White = imagecolorallocate($IM,0xf5,0xf5,0xf5); $Red = imagecolorallocate($IM,0xff,0x00,0x00); //$LineString=$_GET["LineString"]; //$LineString=$_POST["LineString"]; $LineString="318,135&327,263.25|148.5,263.25&327,262.5|318.75,137.25&148.5,263.25|139.5,137.25&148.5,262.5|138.75,136.5&318,135.75|";//例子 $LineArray=explode("|",$LineString); foreach($LineArray as $LineData){ $LineChild=explode("&",$LineData); if(count($LineChild)==2){ $LineStart=explode(",",$LineChild[0]); $LineEnd=explode(",",$LineChild[1]); imageline($IM,$LineStart[0],$LineStart[1],$LineEnd[0],$LineEnd[1],$Red); } } imagejpeg($IM); //imagejpeg($IM,"test.jpg",80);//保存图片.80为图片质量 //推荐用ImagePNG()输出,这样图片质量要好些,文件大小也小些 ?>