我想在 datalist 上获取 belongsTo 记录并显示父记录字段。
Ext.define('MyApp.model.Customer', {
extend: 'Ext.data.Model',
config: {
fields: ['Id',
'EMail'],
hasMany: [{
model: 'MyApp.model.OutstandingInvoice',
name: 'OutstandingInvoice',
primaryKey: 'Id',
foreignKey: 'customerId',
foreignStore: 'OutstandingInvoices'
}]
}
});
Ext.define('MyApp.model.OutstandingInvoice', {
extend: 'Ext.data.Model',
config: {
fields: [
'InvoiceDate',
'InvoiceID',
'customerId'
],
belongsTo: [{
model: 'MyApp.model.Customer',
name: 'Customer',
primaryKey: 'Id',
foreignKey: 'customerId',
foreignStore: 'Customers'
}]
}
});
Ext.define('MyApp.store.OutstandingInvoices', {
extend: 'Ext.data.Store',
config: {
model: 'MyApp.model.OutstandingInvoice',
storeId: 'OutstandingInvoiceStore',
proxy: {
useDefaultXhrHeader: false,
type: 'ajax',
url : 'http://localhost/getOutstandingInvoices',
reader: {
type: 'json'
}
},
autoLoad: false
}
});
Ext.define('MyApp.store.Customers', {
extend: 'Ext.data.Store',
config: {
model: 'MyApp.model.Customer',
storeId: 'CustomerStore',
proxy: {
useDefaultXhrHeader: false,
type: 'ajax',
url : 'http://localhost/getCustJList',
reader: {
type: 'json'
}
},
autoLoad: false,
sorters: [{
property : 'FName',
direction: 'ASC'
}]
}
});
Ext.define('MyApp.view.OutstandingInvoices', {
extend: 'Ext.Panel',
xtype: 'outstandingInvoicesXType',
config: {
cls : 'invoiceSummaryCls',
scrollable: 'vertical',
items: [
{
xtype: 'titlebar',
docked: 'top',
title: 'Outstanding Invoices'
},
{
xtype : 'list',
scrollable: false,
store: 'OutstandingInvoiceStore',
cls : 'p10',
itemTpl: [
'<div>Invoice # {InvoiceID}</div>',
'<div>{InvoiceDate}</div>',
'<div>{Customer.Email}</div>', // I want to show Customer name here as its belongsTo Customer
],
listeners: {
itemtap:function (list, index, targe, rec, e, eOpts) {
console.log(rec)
}
}
}
]
}
});
我想在数据列表中显示客户名称，但关联或 Xtemplate 有问题我收到此错误
Uncaught Error: [ERROR][Ext.XTemplate#apply] Cannot read property 'Email' of undefined
请帮我解决这个问题。