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demos
/
react
/
15_受控组件
/
src
/
index.html

<html>
  <head>
    <title>受控组件</title>
  </head>
  <body>
    <div id="root"></div>
    <script type="text/javascript" src="../../js/react.development.js"></script>
    <script type="text/javascript" src="../../js/react-dom.development.js"></script>
    <script type="text/javascript" src="../../js/babel.min.js"></script>
    <script type="text/babel">
      class Login extends React.Component {
        state = {
          username: '',
          password: '',
        }

        onChangeUsername = (event) => {
          this.setState({ username: event.target.value });
        }

        onChangePassword = (event) => {
          this.setState({ password: event.target.value });
        }

        onSubmit = (event) => {
          event.preventDefault();
          const { username, password } = this.state;
          console.log(`你输入的用户名是: ${username}，密码是: ${password}`);
        }

        render() {
          return (
            <form onSubmit={this.onSubmit}>
              用户名：<input onChange={this.onChangeUsername} type="text" placeholder="用户名" /> &nbsp;
              密码：<input onChange={this.onChangePassword} type="password" placeholder="密码" /> &nbsp;
              <button>登录</button>
            </form>
          );
        }
      }
      ReactDOM.render(<Login />, document.getElementById('root'));
    </script>
  </body>
</html>