getSelectionModel().getSelections()什么意思

Question

 var cumgrid = new Ext.grid.GridPanel({ 
     width:600, 
     autoHeight:true, 
     //列重新计算后自动填满[Ext.grid.GridView] 
     viewConfig:{ 
         forceFit:true, 
         columnsText:"显示的列", 
         sortAscText:"升序", 
         sortDescText:"降序" 
     }, 
        store:store, 
        cm:cm, 
        sm:sm, 
        renderTo:"cumgrid" 
    }); 

    store.load();    
    cumgrid.on("click",function(){
        var selections = cumgrid.getSelectionModel().getSelections(); 
        for(var i=0;i<selections.length;i++){
         var record = selections[i]; 
         Ext.Msg.alert("提示","您所选中的行的编号为"+record.get("memid")+",名称为"+record.get("memName")); 
        }
    }); 

Answer 1

ext中
cumgrid.getSelectionModel().getSelections()是选中的行数据