EXTJS4.2.1学习（二）

来源：互联网发布：极品飞车ol车辆数据编辑：程序博客网时间：2024/06/05 00:57
(function () {    Ext.onReady(function () {        //定义User        Ext.define('User', {            extend: 'Ext.data.Model',            fields: [                {name: 'name', type: 'string'},                {name: 'age', type: 'int'}            ],            hasMany: {name: 'books', model: 'Book'}        });        //定义book        Ext.define('Book', {            extend: 'Ext.data.Model',            fields: [                {name: 'name', type: 'string'},                {name: 'price', type: 'int'}            ],            associations: [                {type: 'belongsTo', model: 'User'}            ]        });        //要加载的数据        var userData = {            User: {                auditor: 'yjw',                info: {                    name: 'tom',                    age: 17,                    books: [                        {name: 'book1', price: 10},                        {name: 'book2', price: 20}                    ]                }            }        }        var userProxy = Ext.create('Ext.data.proxy.Memory', {            model: 'User',            data: userData,            reader: {                type: 'json',                root: 'User',                implicitIncludes: true,                record:'info'//服务器返回的数据可能很多,用record可以删选出有用的数据信息,装载到Model中            }        });        console.log(userProxy);        userProxy.read(new Ext.data.Operation(), function (result) {            var records = result.resultSet.records;            Ext.Array.each(records, function (record) {                console.log(record.get('name'));            });            var user = records[0];            var books1 = user.books();            books1.each(function (book) {                alert(book.get('name'));            });            var books2 = user.raw.books;            Ext.Array.each(books2, function (book) {                console.log(book.price);            })        });    })})()
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