项目修改

src/main/java/com/example/webapi/controller/WeighingRecordController.java

@@ -76,7 +76,7 @@ public class WeighingRecordController {
             @RequestBody WeighingRecord entity) {
         WeighingRecord weighingRecord= service.save(entity);
         if(weighingRecord.getMaterielId()!=null){
-            Optional<TransferRecord> result =  transferRecordService.findById(weighingRecord.getMaterielId());
+            Optional<TransferRecord> result =  transferRecordService.findById(weighingRecord.getWtId());
              if( result.isPresent()){
                  TransferRecord record= result.get();
                  record .setStatus(1);

src/main/java/com/example/webapi/entity/MaterialInfo.java

@@ -11,6 +11,7 @@ import javax.persistence.*;
 @ApiModel(description = "品种信息实体")
 public class MaterialInfo {
     @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "ID")
     @ApiModelProperty(value = "品种ID", example = "1", notes = "主键，自动生成")
     private Integer id;

src/main/java/com/example/webapi/entity/Supplier.java

@@ -11,6 +11,7 @@ import javax.persistence.*;
 @ApiModel(description = "供应商信息实体")
 public class Supplier {
     @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "ID")
     @ApiModelProperty(value = "供应商ID", example = "1", notes = "主键，自动生成")
     private Integer id;

src/main/java/com/example/webapi/entity/SupplyVariety.java

@@ -11,6 +11,7 @@ import javax.persistence.*;
 @ApiModel(description = "供应标识品种信息实体")
 public class SupplyVariety {
     @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "ID")
     @ApiModelProperty(value = "记录ID", example = "1", notes = "主键，自动生成")
     private Integer id;

src/main/java/com/example/webapi/entity/TransferRecord.java

@@ -13,6 +13,7 @@ import java.util.Date;
 @ApiModel(description = "转运记录实体")
 public class TransferRecord {
     @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "ID")
     @ApiModelProperty(value = "记录ID", example = "1", notes = "主键，自动生成")
     private Integer id;

src/main/java/com/example/webapi/entity/TransportCompany.java

@@ -11,6 +11,7 @@ import javax.persistence.*;
 @ApiModel(description = "运输公司实体")
 public class TransportCompany {
     @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "编号")
     @ApiModelProperty(value = "公司ID", example = "1", notes = "主键，自动生成")
     private Integer id;

src/main/java/com/example/webapi/entity/VehicleInfo.java

@@ -11,6 +11,7 @@ import javax.persistence.*;
 @ApiModel(description = "车辆信息实体")
 public class VehicleInfo {
     @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "ID")
     @ApiModelProperty(value = "车辆ID", example = "1", notes = "主键，自动生成")
     private Integer id;

src/main/java/com/example/webapi/entity/WeighingRecord.java

@@ -13,6 +13,7 @@ import java.util.Date;
 @ApiModel(description = "称重记录实体")
 public class WeighingRecord {
     @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "ID")
     @ApiModelProperty(value = "记录ID", example = "1", notes = "主键，自动生成")
     private Integer id;