//第一组
     var moveItemId = -1;
     var g1 = document.getElementById('g1');
     var ops1 = {
         animation: 166,
         draggable: ".item",
         sort: true,
         group: {
             name: "itxst.com",
             pull: function () {
                 //第二个元素不允许被拖走
                 if (moveItemId == '2') return false;
                 return 'clone';
             },
             put: function () {
                 //B组的google不允许被拖入
                 if (moveItemId == '5') return false;
                 return true;
             }
         },
         //开始拖动记录下用户点击的那个元素
         onStart: function (evt) {
             moveItemId = evt.clone.dataset.id;
         },
         //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);
         },
     };
     var sortable1 = Sortable.create(g1, ops1);

     //第二组
     var g2 = document.getElementById('g2');
     var ops2 = {
         animation: 166,
         draggable: ".item",
         sort: false,
         group: { name: "itxst.com", pull: true, put: true },
         //开始拖动记录下用户点击的那个元素
         onStart: function (evt) {
             moveItemId = evt.clone.dataset.id;
         },
         //拖动结束
         onEnd: function (evt) {
             console.log(evt);
             //获取拖动后的排序
             var arr = sortable2.toArray();
             document.getElementById("msg").innerHTML = "B组排序结果：" + JSON.stringify(arr);
         },
     };
     var sortable2 = Sortable.create(g2, ops2);

     //第三组
     var g3 = document.getElementById('g3');
     var ops3 = {
         animation: 166,
         draggable: ".item",
         group: { name: "itxst.com", pull: true, put: true },
         //拖动结束
         onEnd: function (evt) {
             console.log(evt);
             //获取拖动后的排序
             var arr = sortable3.toArray();
             document.getElementById("msg").innerHTML = "C组排序结果：" + JSON.stringify(arr);
         },
     };
     var sortable3 = Sortable.create(g3, ops3);