---title:en-US:HeaderSearchzh-CN:HeaderSearchsubtitle:Top search boxcols:1order:8---Usually placed as an entry to the global search, placed on the right side of the navigation toolbar.## API参数 | 说明 | 类型 | 默认值----|------|-----|------placeholder | placeholder text | string | -dataSource | current list of prompts | string[] | -onSearch | Callback when selecting an item or pressing Enter | function(value) | -onChange | Enter a callback for the search text | function(value) | -onPressEnter | Callback when pressing Enter | function(value) | -onVisibleChange | Show or hide the callback of the text box | function(value) |-defaultOpen | The input box is displayed for the first time. | boolean | falseopen | The input box is displayed | booelan |false