ext_GridPanel2_6
var grid = new Ext.grid.GridPanel({title: "中国公民",width: 700,autoHeight: true,cm: cm,sm: sm, //指定行选择模型为CheckboxSelectionModel，默认为RowSelectionModelstore: store,renderTo: "a",frame: true,autoExpandColumn: "memo",buttonAlign: "center",buttons: [ { text: "第一行", handler: function(){ var rsm = grid.getSelectionModel(); //得到行选择模型 rsm.selectFirstRow(); } }, { text: "上一行", handler: function(){ var rsm = grid.getSelectionModel(); if(!rsm.hasPrevious()){ Ext.Msg.alert("警告","已经达到第一行"); } else { rsm.selectPrevious(); } } }, { text: "下一行", handler: function(){ var rsm = grid.getSelectionModel(); if(!rsm.hasNext()){ Ext.Msg.alert("警告","已经达到最后一行 "); } else { rsm.selectNext(); } } }, { text: "最后一行", handler: function(){ var rsm = grid.getSelectionModel(); rsm.selectLastRow(); } }, { text: "全选", handler: function(){ var rsm = grid.getSelectionModel(); rsm.selectAll(); } }, { text: "全不选", handler: function(){ var rsm = grid.getSelectionModel(); rsm.deselectRange(0,grid.getView().getRows().length - 1); } }, { text: "反选", handler: function(){ var rsm = grid.getSelectionModel(); for(var i = grid.getView().getRows().length - 1; i >=0; i--){ if(rsm.isSelected(i)){ rsm.deselectRow(i); } else { rsm.selectRow(i,true); //必须保留原来的，否则效果无法实现 } } } } ]});});/** * Extjs中的复选框是图片做的，不是传统的<input type=checkbox/>标记。如果要实现单选，为行选择模型配置singleSelect: true */?