<a class="copy-button" data-clipboard-text="hello!!!" href="javascript:void();">复制地址</a>
//复制
var client = new ZeroClipboard( $(".copy-button") );

client.on( "ready", function( readyEvent ) {
	 //alert( "ZeroClipboard SWF is ready!" );

	client.on( "aftercopy", function( event ) {
		// `this` === `client`
		// `event.target` === the element that was clicked
		//event.target.style.display = "none";
		//alert("Copied text to clipboard: " + event.data["text/plain"] );
		alert("复制成功!");
	} );
} );

下载插件js/swf
https://github.com/zeroclipboard/zeroclipboard/blob/master/dist/ZeroClipboard.js
https://github.com/zeroclipboard/zeroclipboard/blob/master/dist/ZeroClipboard.swf