Extjs 点击复选框在表格中增加相关信息行

// 定义初始 存放表格数据
var gridItems = [];
//省份复选框
var $provinceCheckbox01 = new Ext.form.CheckboxGroup({
xtype: 'checkboxgroup',
fieldLabel: '省份选择',
labelWidth: 60,
columns: 9,
vertical: true,
margin: '10 0 0 15',
defaults: {
labelWidth: 80,
width: 60,
labelAlign: "left"
},
items: provinceItems, //provinceItems是从其他渠道获取的数据
listeners: {
change: OnChange // 复选框改变事件
}
});
//表格初始数据模型
var gridPanelStore = new Ext.data.Store({
fields: ['discount', 'provinceId', 'provinceName'],
data: {'items': ''},
proxy: {
type: 'memory',
reader: {
type: 'json',
root: 'items'
}
}
});
// grid
var $grid = new Ext.grid.Panel({
store: gridPanelStore,
selType: 'rowmodel',
singleSelect: true,
margin: '20 0 0 0',
columns: [{
xtype: 'rownumberer',
header: '序号',
width: 70,
align: 'center'
}, {
header: '省份',
width: 150,
sortable: true,
menuDisabled: true,
align: 'center',
dataIndex: 'provinceName'
}, {
header: '折扣',
width: 100,
menuDisabled: true,
sortable: true,
align: 'center',
dataIndex: 'discount',
editor: {
allowBlank: false
}
}],
dockedItems: [{
xtype: "pagingtoolbar",
dock: "bottom",
displayInfo: true
}],
plugins: [cellEditing]
});
//事件监听
function OnChange(newValue, oldValue, eOpts) {
// 清空数据
gridItems = [];
//选中省份ID
var checkedId = this.getValue().xxx;
//判断选中数量
if(checkedId==undefined){
gridItems = [];
} else if (checkedId.length == undefined) {
for (var i = 0; i < provinceItems.length; i++) {
if (provinceItems[i].inputValue == checkedId) {
gridItems[0] = {
"provinceId": checkedId,
"provinceName": provinceItems[i].boxLabel,
"discount": "1"
};
}
}
}else if(checkedId.length !== undefined){
for(var j = 0;j<checkedId.length;j++){
for (var o = 0; o < provinceItems.length; o++) {
if (provinceItems[o].inputValue == checkedId[j]) {
gridItems[j] = {
"provinceId": checkedId[j],
"provinceName": provinceItems[o].boxLabel,
"discount": "1"
};
}
}
}
}
//console.log($gridItems);
$grid.store.loadData($gridItems, false);
}