$(function() {
    //复制
    $(".redeem>a").click(function(){
        var qrcodeLink = $(this).parent().children("div").children("span").text();
        var clipboard = new Clipboard('.redeem>a', {
                text: function() {
                    return qrcodeLink;
                }
            });
            clipboard.on('success', function(e) {
                console.log("复制成功");
            });
        
            clipboard.on('error', function(e) {
                console.log("复制失败");
            });
    })
})