ReactJS CoffeScript Rails 4 this.setState is not a function

Question

Im new in ReactJS, so often get problems...

so:

@CommentBox = React.createClass
  getInitialState: ->
    data: []

  componentWillMount: ->
    request_data = null
    val = $.ajax
      url: @props.url
      dataType: 'json'
      success: (data, status, xhr) ->
        request_data = JSON.parse xhr.responseText
        @setState data: request_data
    render: ->
      .......

and get error in console:

TypeError: this.setState is not a function
  return this.setState({..

semple of my repo: https://github.com/olegsobchuk/example_app

Please help me!

Answer 1

你可能想使用=>代替->为成功回调，使this指的是您的组件：

success: (data, status, xhr) =>