jQuery简单实现点击文本框复制内容到剪贴板上的方法

//点击文本框复制其内容到剪贴板上方法

functioncopyToClipboard(txt) {

if(window.clipboardData) {

window.clipboardData.clearData();

window.clipboardData.setData("Text", txt);

alert("已经成功复制到剪帖板上！");

}elseif(navigator.userAgent.indexOf("Opera") != -1) {

window.location = txt;

}elseif(window.netscape) {

try{

netscape.security.PrivilegeManager.enablePrivilege("UniversalXPConnect");

}catch(e) {

alert("被浏览器拒绝！\n请在浏览器地址栏输入'about:config'并回车\n然后将'signed.applets.codebase_principal_support'设置为'true'");

}

varclip = Components.classes['@mozilla.org/widget/clipboard;1'].createInstance(Components.interfaces.nsIClipboard);

if(!clip)return;

vartrans = Components.classes['@mozilla.org/widget/transferable;1'].createInstance(Components.interfaces.nsITransferable);

if(!trans)return;

trans.addDataFlavor('text/unicode');

varstr =newObject();

varlen =newObject();

varstr = Components.classes["@mozilla.org/supports-string;1"].createInstance(Components.interfaces.nsISupportsString);

varcopytext = txt;

str.data = copytext;

trans.setTransferData("text/unicode", str, copytext.length * 2);

varclipid = Components.interfaces.nsIClipboard;

if(!clip)returnfalse;

clip.setData(trans,null, clipid.kGlobalClipboard);

alert("已经成功复制到剪帖板上！");

}

}

//点击文本框复制其内容到剪贴板上

functionsetCopyLink() {

$("#txt_CopyLink").val(document.URL)

.focus(function() {

$(this).css({"background-color":"#ddd"}).select();

copyToClipboard($("#txt_CopyLink").val());

}).blur(function() {

$(this).css({"background-color":"#fff"});

});

}