ExtJS 中Grid使用SimpleStore、多选框的方法

 1///<reference path="./vswd-ext_2.0.2.js" />  
 2Ext.onReady(function(){
 3var data = [
 4[1,"wilson.fu",10],
 5[2,"wilson.fu2",20],
 6[3,"wilson.fu3",30]
 7];
 8
 9var sqldata = new Array() ;
10for(var i=0;i<10;i++)
11{
12    sqldata.push([i.toString(),"wilson.fu" + i.toString(),10*i]);
13}
14
15var sm = new Ext.grid.CheckboxSelectionModel({handleMouseDown:Ext.emptyFn});
16var cm = new Ext.grid.ColumnModel([
17sm,
18{header:"编号",dataIndex:"id",sortable:true},
19{header:"姓名",dataIndex:"name"},
20{header:"排序值",dataIndex:"ordernum",sortable:true}
21]);
22
23var store = new Ext.data.SimpleStore({
24fields:[
25{name:"id"},
26{name:"name"},
27{name:"ordernum"}
28]
29});
30
31store.loadData(sqldata);
32
33 var gd = new Ext.grid.GridPanel({
34renderTo:"grid",
35cm:cm,
36sm:sm,
37store:store,
38loadMask:true
39});
40
41Ext.get("btn").on("click",function(){
42var selections = gd.getSelectionModel().getSelections();
43    debugger
44    //得到选择的行的值
45});    
46
47});
48