function saveCode(obj) { if(obj.value==""){ alert("请输入要保存的代码内容"); return false;} var winname = window.open('', '_blank', ''); winname.document.open('text/html', 'replace'); winname.document.writeln(obj.value); winname.document.close(); winname.document.execCommand('saveas','','savecode.htm'); winname.close(); } //-->