http://www.codesky.net/article/doc/201004/20100417043179.htm
下面这个是cnblogs的实现代码
复制代码 代码如下:
<script type="text/javascript">
function runCode(obj) {
var winname = window.open('', "_blank", '');
winname.document.open('text/html', 'replace');
winname.document.write(obj.value);
winname.document.close();
}
</script>
<textarea style="width: 80%" id="content" rows="10">
<script type="text/javascript">
alert("Got it!");
</script>
</textarea><br/ />
<input type="button" value="run" onclick="runCode(document.getElementById('content'))"/>
<script type="text/javascript"> function runCode(id) { var myWin = window.open('', '_blank', ''); var t = document.getElementById(obj).value; myWin.document.open('text/html', 'replace'); myWin.opener = null; myWin.document.write(t); myWin.document.close(); } </script>
源码爱好者
<script type="text/javascript">
function $(objname){return document.getElementById(objname);}
function runCode(objname) {
var winname = window.open('', "_blank", '');
var obj = $(objname);
winname.document.open('text/html', 'replace');
winname.opener = null // 防止代码对论谈页面修改
winname.document.write(obj.value);
winname.document.close();
}
function saveCode(objname){
var winname = window.open('', '_blank', 'top=10000');
winname.document.open('text/html', 'replace');
var obj = $(objname);
winname.document.write(obj.value);
winname.document.execCommand('saveas','','code.htm');
winname.close();
}
function oCopy(objname){
var obj = $(objname);
obj.select();
js=obj.createTextRange();
js.execCommand("Copy");
alert("源码爱好者提示:代码已经被成功复制!");
}
</script>
<input type="button" name="Submit" value="运行代码" onclick="runCode('content')"/>
<input type="button" name="Submit3" value="全选代码" onclick="$('content').select();" />
<input type="button" name="Submit4" value="复制代码" onclick="oCopy('content')" />
<input type="button" name="Submit2" value="保存代码" onclick="saveCode('content')" />
阿里西西网页特效代码
<script type="text/javascript"> function Preview(obj) { var TestWin=open(''); TestWin.document.write(obj.value); } function copyCode(obj) { var rng = document.body.createTextRange(); rng.moveToElementText(obj); rng.scrollIntoView(); rng.select(); rng.execCommand("Copy"); rng.collapse(false); } function saveCode(obj) { var winname = window.open('', '_blank', 'top=10000'); winname.document.open('text/html', 'replace'); winname.document.writeln(obj.value); winname.document.execCommand('saveas','','homepage.yesky.com.htm'); winname.close(); } </SCRIPT> <div> <TEXTAREA id=code2 style="WIDTH: 570px; HEIGHT: 244px" rows=15 cols=47>欢迎访问阿里西西网页特效频道<hr size="1" noshade="noshade" style="border:1px #cccccc dotted"/></TEXTAREA><BR><BUTTON onclick=Preview(code2)>运行代码</BUTTON><BUTTON onclick=copyCode(code2)>复制代码</BUTTON><BUTTON onclick=saveCode(code2)>另存代码</BUTTON> </div>
下面这个是 csdn下实现代码。
复制代码 代码如下:
<script type="text/javascript"><!-- function viewPage(html) { var page = window.open('', '', ''); page.opener = null; page.document.write(html); page.document.close(); } // --></script> <a href="javascript:viewPage(document.getElementsByTagName('textarea')[0].value)">运行代码</a></p> <p><textarea cols="83" rows="15" name="code" class="xhtml"> <script> alert('脚本之家'); </script> </textarea>