//下面是用来装载本地的数据(就是自定义的数据)
Ext.onReady(function () {
Ext.regModel("user", {
fields: [{ name: "name",
type: "string" }, { name: "age", type: "int"}]
});
var data =
[{ name: "likeshan1", age: 1 }, { name: "likeshan2", age:
2}];
var store
= Ext.create("Ext.data.Store", {
model: "user",
data: data,
autoLoad: true
//这个默认的是false,要制定其为true
});
store.each(function (model) {
alert(model.get("name"));
},
this);
});
//当然我们也可以不适用model,而直接在store里面定以fields,如下所示
Ext.onReady(function () {
Ext.define("user", {
extend:
"Ext.data.Model",
fields: [{ name: "name",
type: "string" }, { name: "age", type: "int"}]
});
var data =
[{ name: "liudehua", age: 20 }, { name: "zhangxueyou", age:
25}];
var store
= new Ext.data.Store({
fields: [{ name: "name",
type: "string" }, { name: "age", type: "int"}],
//这个是用来代替model,在这里定义了这个fields之后,就会自动创建一个匿名的model来使用的
data: data,
autoLoad: true
});
store.each(function (model) {
alert(model.get("name"));
},
this);
});
//从服务端加载数据
Ext.onReady(function () {
Ext.define("user", {
extend:
"Ext.data.Model",
fields: [{ name: "username",
type: "string" }, { name: "age", type: "int"}]
});
var store
= Ext.create("Ext.data.Store", {
model: "user",
proxy: {
type: "ajax",
url: "test2.aspx",
//Response.Write("[{username:'likeshan',age:20},{username:'liudehua',age:50}]");
reader: {
type:
"json"
}
}//,
//autoLoad:true//在使用ajax的时候最好不要使用自动加载,因为我们有的时候需要自己手动加载,这样就可以真正地操作我们需要的数据,否则会加载两次
});
store.load(function (records, operation, success)
{//注意这里的records是指从服务端下载过来的对象数组,并不是针对存入store中的model类型进行操作
//
records.each(function (model)
{//因此这样是无法取到数据的
//
alert(model.get("name"));
//
});
//
Ext.Array.each(records, function (item)
{//单个的item是一个model
//
alert(item.get("username"));
//
});
store.filter("username",
"liudehua"); //liudehua过滤出来
sto
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