配件管理，配件折扣设置为无折扣

src/main/java/com/fdkankan/sale/controller/PartController.java

@@ -48,8 +48,6 @@ public class PartController extends BaseController {
 
     @PostMapping("/addOrUpdate")
     public ResultData update(@RequestBody Part part){
-        part.setUpdateTime(null);
-        part.setCreateTime(null);
         partService.saveOrUpdate(part);
         return ResultData.ok();
     }

src/main/java/com/fdkankan/sale/entity/Part.java

@@ -1,10 +1,7 @@
 package com.fdkankan.sale.entity;
 
-import com.baomidou.mybatisplus.annotation.IdType;
-import com.baomidou.mybatisplus.annotation.TableField;
-import com.baomidou.mybatisplus.annotation.TableId;
-import com.baomidou.mybatisplus.annotation.TableLogic;
-import com.baomidou.mybatisplus.annotation.TableName;
+import com.baomidou.mybatisplus.annotation.*;
+
 import java.io.Serializable;
 import java.math.BigDecimal;
 import java.util.Date;
@@ -60,7 +57,7 @@ public class Part implements Serializable {
     /**
      * 备件价格 ,折扣
      */
-    @TableField("part_price_discount")
+    @TableField(value = "part_price_discount",updateStrategy = FieldStrategy.IGNORED)
     @JsonFormat(shape = JsonFormat.Shape.STRING)
     private BigDecimal partPriceDiscount;