React 向组件传参数时,如何对字符串和变量进行拼(连)接
<a href={'https://www.seekoon.com' + variable}>或者
<a href={'https://www.seekoon.com' + this.props.username}>
  {this.props.username}
</a><a href={'https://www.seekoon.com' + variable}>或者
<a href={'https://www.seekoon.com' + this.props.username}>
  {this.props.username}
</a>