Создадим первый проект и установим через Nuget React.Web.Mvc4
Воспользуемся контроллером Home и его методом Index
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public ActionResult Index() { return View(); } |
В его представлении напишем следующее
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@{ Layout = null; } <html> <head> <title>Hello React</title> </head> <body> <div id="content"></div> <script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.2/react.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.2/react-dom.js"></script> <script src='@Url.Content("~/Scripts/helloApp.jsx")'></script> </body> </html> |
В скрипты добавим следующий файл helloApp.jsx
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class Hello extends React.Component { render() { return <h1>Привет, React.JS</h1>; } } ReactDOM.render( <Hello />, document.getElementById("content") ); |
Результат
Пример с телефонами
Допишем в контроллер следующие методы
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public ActionResult Phones() { return View(); } static List<Phone> data = new List<Phone> { new Phone { Id = Guid.NewGuid().ToString(), Name="iPhone 7", Price=52000 }, new Phone { Id = Guid.NewGuid().ToString(), Name="Samsung Galaxy S7", Price=42000 }, }; public ActionResult GetPhones() { return Json(data, JsonRequestBehavior.AllowGet); } [HttpPost] public ActionResult AddPhone(Phone phone) { phone.Id = Guid.NewGuid().ToString(); data.Add(phone); return Json(phone); } [HttpDelete] public ActionResult DeletePhone(string id) { Phone phone = data.FirstOrDefault(x => x.Id == id); if (phone != null) { data.Remove(phone); return Json(phone); } return HttpNotFound(); } |
Представление
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@{ Layout = null; } <html> <head> <title>Hello React</title> </head> <body> <div id="content"></div> <script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.2/react.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.2/react-dom.js"></script> <script src='@Url.Content("~/Scripts/helloApp2.jsx")'></script> </body> </html> |
Скрипт helloApp2.jsx
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class Phone extends React.Component { constructor(props) { super(props); this.state = { data: props.phone }; this.onClick = this.onClick.bind(this); } onClick(e) { this.props.onRemove(this.state.data); } render() { return <div> <p><b>{this.state.data.Name}</b></p> <p>Цена {this.state.data.Price}</p> <p><button onClick={this.onClick}>Удалить</button></p> </div>; } } class PhoneForm extends React.Component { constructor(props) { super(props); this.state = { name: "", price: 0 }; this.onSubmit = this.onSubmit.bind(this); this.onNameChange = this.onNameChange.bind(this); this.onPriceChange = this.onPriceChange.bind(this); } onNameChange(e) { this.setState({ name: e.target.value }); } onPriceChange(e) { this.setState({ price: e.target.value }); } onSubmit(e) { e.preventDefault(); var phoneName = this.state.name.trim(); var phonePrice = this.state.price; if (!phoneName || phonePrice <= 0) { return; } this.props.onPhoneSubmit({ name: phoneName, price: phonePrice }); this.setState({ name: "", price: 0 }); } render() { return ( <form onSubmit={this.onSubmit}> <p> <input type="text" placeholder="Модель телефона" value={this.state.name} onChange={this.onNameChange} /> </p> <p> <input type="number" placeholder="Цена" value={this.state.price} onChange={this.onPriceChange} /> </p> <input type="submit" value="Сохранить" /> </form> ); } } class PhonesList extends React.Component { constructor(props) { super(props); this.state = { phones: [] }; this.onAddPhone = this.onAddPhone.bind(this); this.onRemovePhone = this.onRemovePhone.bind(this); } // загрузка данных loadData() { var xhr = new XMLHttpRequest(); xhr.open("get", this.props.getUrl, true); xhr.onload = function () { var data = JSON.parse(xhr.responseText); this.setState({ phones: data }); }.bind(this); xhr.send(); } componentDidMount() { this.loadData(); } // добавление объекта onAddPhone(phone) { if (phone) { var data = new FormData(); data.append("name", phone.name); data.append("price", phone.price); var xhr = new XMLHttpRequest(); xhr.open("post", this.props.postUrl, true); xhr.onload = function () { if (xhr.status == 200) { this.loadData(); } }.bind(this); xhr.send(data); } } // удаление объекта onRemovePhone(phone) { if (phone) { var data = new FormData(); data.append("id", phone.Id); var xhr = new XMLHttpRequest(); xhr.open("delete", this.props.deleteUrl, true); xhr.onload = function () { if (xhr.status == 200) { this.loadData(); } }.bind(this); xhr.send(data); } } render() { var remove = this.onRemovePhone; return <div> <PhoneForm onPhoneSubmit={this.onAddPhone} /> <h2>Список смартфонов</h2> <div> { this.state.phones.map(function (phone) { return <Phone key={phone.Id} phone={phone} onRemove={remove} /> }) } </div> </div>; } } ReactDOM.render( <PhonesList getUrl="/home/getphones" postUrl="/home/addphone" deleteUrl="/home/deletephone" />, document.getElementById("content") ); |
Результат
