【发布时间】：2013-03-07 12:42:11
【问题描述】：
我正在尝试解析下面响应中的 childId 值。我无法解析该值。我是协会的新手，有很多概念。我在 app.js 中给出了一个警报 childId 值，但它没有显示。谁能告诉我我的映射是否正确？谁能告诉我问题是什么以及如何解决？
Sample.Json
{
"parents":{
"parent1":{
"parent":[
{
"children":{
"child":[
{
"childId":1,
"childdetails": {
"childrendetails": [
{
"childName": "Test",
"childAge": "19"
},
{
"childName": "Test1",
"childAge": "20"
}
]
}
},
{
"childId":2,
"childdetails": {
"childrendetails": [
{
"childName": "Test2",
"childAge": "25"
},
{
"childName": "Test3",
"childAge": "24"
}
]
}
}
]
}
},
{
"children":{
"child":[
{
"childId":3,
"childdetails": {
"childrendetails": [
{
"childName": "Test4",
"childAge": "25"
},
{
"childName": "test5",
"childAge": "21"
}
]
}
},
{
"childId":4,
"childdetails": {
"childrendetails": [
{
"childName": "Test6",
"childAge": "26"
},
{
"childName": "test7",
"childAge": "27"
}
]
}
}
]
},
"parentName":"firstName",
"parentAge":"28"
},
{
"children":{
"child":[
{
"childId":5,
"childdetails": {
"childrendetails": [
{
"childName": "Test8",
"childAge": "24"
},
{
"childName": "Test9",
"childAges": "27"
}
]
}
},
{
"childId":6,
"childdetails": {
"childrendetails": [
{
"childName": "Test10",
"childAge": "25"
},
{
"childName": "Test11",
"childAge": "24"
}
]
}
}
]
}
},
{
"children":{
"child":[
{
"childId":7,
"childdetails": {
"childrendetails": [
{
"childName": "Test12",
"childAge": "25"
},
{
"childName": "Test13",
"childAge": "21"
}
]
}
},
{
"childId":8,
"childdetails": {
"childrendetails": [
{
"childName": "Test14",
"childAge": "26"
},
{
"childName": "Test15",
"childAge": "27"
}
]
}
}
]
},
"parentName":"secondname",
"parentAge":"35"
}
]
}
}
}
ParentModel.js
Ext.define("extcityview.model.ParentModel", {
extend: 'Ext.data.Model',
fields: [
'parentName', 'parentAge'
],
hasMany: {model: 'extcityview.model.ChildrenModel', name: 'children'},
});
Ext.define("extcityview.model.ChildrenModel", {
extend: 'Ext.data.Model',
hasMany : {model:'extcityview.model.ChildModel', name:'child', associationKey: 'childItems'},
belongsTo: 'extcityview.model.ParentModel'
});
Ext.define("extcityview.model.ChildModel", {
extend: 'Ext.data.Model',
fields: [
'childId'
],
belongsTo: 'extcityview.model.ChildrenModel'
});
ChildStore.js
Ext.define('extcityview.store.ChildStore', {
extend : 'Ext.data.Store',
storeId : 'samplestore',
model : 'extcityview.model.ParentModel',
autoLoad : 'true',
proxy : {
type : 'ajax',
url : 'sample.json',
reader : {
type : 'json',
root :'parents.parent1.parent'
}
}
});
app.js
var store = Ext.create('extcityview.store.ChildStore', {
model: "extcityview.model.ParentModel",
});
store.load({
callback: function()
{
console.log("i am in callback");
var parent = store.first();
alert("parent"+parent);
console.log("parent"+parent);
parent.children().each(function(children){
children.child().each(function(child) {
alert("sub region anme"+child.get('childId'));
console.log("sub region name"+child.get('childId'));
});
});
}
});
谢谢
【问题讨论】：
标签： extjs sencha-touch-2 extjs4.1 sencha-architect