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                ## 步驟 1. 新建一個刪除接口 ~~~ /** * 刪除 */ @PostMapping("/remove") public R remove(@RequestParam String ids) { return R.status(service.removeByIds(Func.toIntList(ids))); } ~~~ 2. 使用Posman調用API,接口返回操作成功 ![](https://box.kancloud.cn/5dd4d7dbd01c55364cdd13dd7f30db4b_523x448.png) 3. 查詢數據庫發現數據被物理刪除了,`id`為`1`的數據已然不在 ![](https://box.kancloud.cn/cc985d0151aef3a3a2816f4bab4cf315_524x293.png) 4. 這并不是我們想要的,我們需要的是邏輯刪除,把`is_deleted`字段改為1,代表已刪除。 5. 實現起來很方便,mybatis-plus官方提供了`@TableLogic`注解,只需加在邏輯字段上,其他的方法都無需變更。 ~~~ @Data @TableName("blade_blog") public class Blog implements Serializable { private static final long serialVersionUID = 1L; /** * 主鍵 */ private Integer id; /** * 標題 */ private String blogTitle; /** * 內容 */ private String blogContent; /** * 時間 */ private LocalDateTime blogDate; /** * 是否已刪除 */ @TableLogic private Integer isDeleted; } ~~~ 6. 下面我們再刪除`id`為`2`的數據查看下結果如何 ![](https://box.kancloud.cn/ff98602547ec4c470c327a42979df519_516x101.png) 7. 可以看到,`is_deleted`字段,從`0`變成了`1`,邏輯刪除成功
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