//第一组 
    var g1 = document.getElementById('g1');
    var ops1 = {
        animation: 1000,
        draggable: ".item",
        delay: 1000,  
        //拖动结束
        onEnd: function (evt) {
            console.log(evt);
            //获取拖动后的排序
            var arr = sortable1.toArray();
            document.getElementById("msg").innerHTML = "A组排序结果：" + JSON.stringify(arr);
        },
    };
    function del() {
        alert("执行了del事件")
    }
    var sortable1 = Sortable.create(g1, ops1);