--- title: en-US: HeaderSearch zh-CN: HeaderSearch subtitle: Top search box cols: 1 order: 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 | false open | The input box is displayed | booelan |false