http://www.runoob.com/react/react-ajax.html




<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>React 实例</title>
<script src="https://cdn.staticfile.org/react/16.4.0/umd/react.development.js"></script>
<script src="https://cdn.staticfile.org/react-dom/16.4.0/umd/react-dom.development.js"></script>
<script src="https://cdn.staticfile.org/babel-standalone/6.26.0/babel.min.js"></script>
<script src="https://cdn.staticfile.org/jquery/2.1.4/jquery.min.js"></script>
</head>
<body>
<div id="example"></div>

<script type="text/babel">
class UserGist extends React.Component {
  constructor(props) {
      super(props);
      this.state = {username: '', lastGistUrl: ''};
  }

 
  componentDidMount() {
  	var ajax = new XMLHttpRequest();
	ajax.open('get',this.props.source,true);
	ajax.send();
	ajax.onreadystatechange = function(){
		if(ajax.readyState == 4 && ajax.status == 200){
		success(ajax.responseText) 
	}
	function success(result) {
		var lastGist = result;
		this.setState({
        username: lastGist.owner.login,
        lastGistUrl: lastGist.html_url
      });
    }
    /*this.serverRequest = $.get(this.props.source, function (result) {
      var lastGist = result[0];
      this.setState({
        username: lastGist.owner.login,
        lastGistUrl: lastGist.html_url
      });
    }.bind(this));*/
  }
 
  componentWillUnmount() {
    this.ajax.abort();
  }
 
  render() {
    return (
      <div>
        {this.state.username} 用户最新的 Gist 共享地址：
        <a href={this.state.lastGistUrl}>{this.state.lastGistUrl}</a>
      </div>
    );
  }
}
 
ReactDOM.render(
  <UserGist source="https://api.github.com/users/octocat/gists" />,
  document.getElementById('example')
);
</script>

</body>
</html>
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