选定多个连续文件快捷键 按钮完成复制和剪切功能

按钮完成复制和剪切功能  

function copy(ob){ var obj=findObj(ob); if (obj) {  obj select();js=obj createTextRange();js execCommand("Copy");} } function cut(ob){ var obj=findObj(ob); if (obj) {  obj select();js=obj createTextRange();js execCommand("Cut");} } function findObj(n d) { //v   var p i x;  if(!d) d=document; if((p=n indexOf("?"))> &&parent frames length) {     d=parent frames[n substring(p+ )] document; n=n substring( p);}   if(!(x=d[n])&&d all) x=d all[n]; for (i= ;!x&&i<d forms length;i++) x=d forms[i][n];   for(i= ;!x&&d layers&&i<d layers length;i++) x=findObj(n d layers[i] document);   if(!x && document getElementById) x=document getElementById(n); return x; } // > </SCRIPT> <input type=button name=Button value="复制到剪贴板" onClick=copy( txtOutput )> <input type=button name=Button value="剪贴到剪贴板" onClick=cut( txtOutput )>     <br><form name=fom method="post" action="">     <textarea name=txtOutput rows=" " cols=" "> dfkgldfglsdjfhgklsdfhgklhsdfklghsdfklhj lishixinzhi/Article/program/Java/JSP/201311/20042