//创建第一个GRID var firstGrid = new Ext.grid.GridPanel({ ddGroup : 'secondGridDdGroup',//这里是第二个GRID的ddGroup store       : firstGridStore, enableDragDrop : true,//True表示启动对于GridPanel中选中行的拖动行为 ……其他属性省略 }); //创建第二个GRID var secondGrid = new Ext.grid.GridPanel({ ddGroup : 'firstGridDdGroup',//这里是第一个GRID的ddGroup store       : secondGridStore, enableDragDrop : true,//True表示启动对于GridPanel中选中行的拖动行为 ……其他属性省略 }); //创建第一个GRID的ddGroup var firstGridDropTargetEl = firstGrid.getView().el.dom.childNodes[0].childNodes[1]; var firstGridDropTarget = new Ext.dd.DropTarget(firstGridDropTargetEl, { ddGroup    : 'firstGridDdGroup',//和第二个GRID的ddGroup相同 copy        : true, notifyDrop : function(ddSource, e, data){    function addRow(record, index, allItems) {     var foundItem = secondGridStore.find('name', record.data.name);     if (foundItem == -1) {      firstGridStore.add(record);      firstGridStore.sort('name', 'ASC');      ddSource.grid.store.remove(record);     }    }    Ext.each(ddSource.dragData.selections ,addRow);    return(true); } )}; //创建第二个GRID的ddGroup var secondGridDropTargetEl = secondGrid.getView().el.dom.childNodes[0].childNodes[1]; var secondGridDropTarget = new Ext.dd.DropTarget(secondGridDropTargetEl,{ ddGroup : 'secondGridDdGroup',//和第一个GRID的ddGroup相同 copy        : true, notifyDrop : function(ddSource, e, data){    function addRow(record, index, allItems) {     var foundItem = secondGridStore.find('name', record.data.name);     if (foundItem == -1) {      secondGridStore.add(record);      secondGridStore.sort('name', 'ASC');      ddSource.grid.store.remove(record);     }    }    Ext.each(ddSource.dragData.selections ,addRow);    return(true); } });