() => {
  if (global) {
    return <span></span>
  }
  let inputRef
  const storageRef = 'FOR_TEST'
  const initStorage = Storage.getItem(storageRef)
  const [content, setState] = useState(initStorage)
  return (
    <div>
      <div>本地存储内容: {content + ''}</div>
      <hr />
      <input
        className="form-control"
        ref={e => (inputRef = e)}
        style={{ width: 300 }}
        defaultValue={content}
      />
      <span
        className="btn theme mr10"
        onClick={e => {
          setState(inputRef.value)
          Storage.setItem(storageRef, inputRef.value)
        }}
      >
        存储到本地
      </span>
      <span
        className="btn red mr10"
        onClick={e => {
          Storage.setItem(storageRef, inputRef.value)
        }}
      >
        获取储存的数据
      </span>
    </div>
  )
}