轻松解决文字拷贝clipboard.js

//初始化复制实例
var copytext = $(".copywriting .content p:nth-child(1)").text() || '', btnDom = document.getElementById('btn'), clipboard;
$.ajax({
    url: "/public/dist/clipboard.min.js",
    dataType: "script",
    success: function () {
        if ($(".copywriting .pBtn.on").length > 0) {
            copytext = $(".copywriting .content p:nth-child(1)").text() || '';
        } else {
            copytext = $(".copywriting .content p:nth-child(2)").text() || '';
        }
        clipboard = new ClipboardJS(btnDom, {
            text: function () {
                return copytext;
            }
        });
        clipboard.on('success', function(e) {
            Utils.simpleMsg("文案复制成功!");
        });
        return clipboard
    }
});