transform.html源代码 求下载地址
谢谢,很有用
这里老师没给代码 我补充一下
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>Examples</title>
<meta name="description" content="">
<meta name="keywords" content="">
<link href="" rel="stylesheet">
<style type="text/css">
svg{
background:#FCFCFC;
display: block;
margin: 20px auto;
border: 1px solid #CCC;
}
#transform{
width: 300px;
}
</style>
</head>
<body>
<fieldset>
<legend>set</legend>
<label>group:
<select id="group">
<option value="a">a</option>
<option value="b">-b</option>
<option value="c">--c</option>
<option value="d">-d</option>
</select>
</label>
<label>change
<input id="tc" type="text" />
<span id="ts"></span>
</label>
</fieldset>
<svg xmlns="http;//www.w3.org/2000/svg" width="1000" height="600" viewBox="-200.5 -100.5 1000 600">
<defs>
<g id="coord">
<line x1="0" y1="0" x2="300" y2="0" />
<line x1="0" y1="0" x2="0" y2="300" />
<circle cx="0" cy="0" r="2" />
<circle cx="100" cy="0" r="2" />
<circle cx="200" cy="0" r="2" />
<circle cx="0" cy="100" r="2" />
<circle cx="0" cy="200" r="2" />
</g>
</defs>
<use xlink:href="#coord" stroke='black' fill="black" />
<text fill="black" x="5" y="20">hello,world!</text>
<g id="a" stroke="red" fill="red">
<use xlink:href="#coord"/>
<text x="5" y="20">a</text>
<g id="b" stroke="blue" fill="blue">
<use xlink:href="#coord"/>
<text x="5" y="20">b</text>
<g id="c" stroke="green" fill="green">
<use xlink:href="#coord"/>
<text x="5" y="20">c</text>
</g>
</g>
<g id="d" stroke="pink" fill="pink">
<use xlink:href="#coord"/>
<text x="5" y="20">d</text>
</g>
</g>
</svg>
<script type="text/javascript">
function target(){
return document.getElementById(group.value);
}
function tc2ts(tc){
var arr = (tc || '').split(' ');
var ts = '';
var elem,lastElemType;
var cmd = {
't':'translate(',
'r':'rotate(',
's':'scale(',
'm':'matrix('
};
while(elem = arr.shift()){
if(cmd[elem]){
if(lastElemType == 'number') ts +=') ';
ts += cmd[elem];
lastElemType = 'command';
}else{
if(lastElemType == 'number') ts += ', ';
ts += elem;
lastElemType = 'number';
}
}
if(ts.length) ts += ')';
return ts;
}
group.oninput = function(){
tc.value = target().tc || '';
ts.innerHTML = tc2ts(tc.value);
};
tc.oninput = function(){
target().tc = tc.value;
target().setAttribute('transform',ts.innerHTML = tc2ts(tc.value));
}
</script>
</body>
</html>