内容非空校验

pom.xml

@@ -71,6 +71,11 @@
             <artifactId>velocity-engine-core</artifactId>
             <version>2.3</version>
         </dependency>
+
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-validation</artifactId>
+        </dependency>
     </dependencies>
 
     <build>

src/main/java/com/zehong/controller/PcbBoardEngraveDataController.java

@@ -7,8 +7,13 @@ import com.zehong.entity.AjaxResult;
 import com.zehong.entity.PcbBoardEngraveData;
 import com.zehong.service.PcbBoardEngraveDataService;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.validation.BindingResult;
 import org.springframework.web.bind.annotation.*;
+
+import javax.validation.Valid;
 import java.util.Date;
+import java.util.stream.Collectors;
 
 /**
  * <p>
@@ -53,7 +58,13 @@ public class PcbBoardEngraveDataController extends BaseController{
      * @return
      */
     @PostMapping("savePcbBoardEngraveData")
-    public AjaxResult savePcbBoardEngraveData(@RequestBody PcbBoardEngraveData data){
+    public AjaxResult savePcbBoardEngraveData(@Valid @RequestBody PcbBoardEngraveData data, BindingResult bindingResult){
+        if (bindingResult.hasErrors()) {
+            String errorStr = bindingResult.getFieldErrors().stream()
+                    .map(error -> error.getField() + ": " + error.getDefaultMessage())
+                    .collect(Collectors.joining(", "));
+            return AjaxResult.error(errorStr);
+        }
         data.setCreateTime(new Date());
         return toAjax(pcbBoardEngraveDataService.save(data));
     }

src/main/java/com/zehong/entity/PcbBoardEngraveData.java

@@ -3,8 +3,8 @@ package com.zehong.entity;
 import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableId;
 import com.baomidou.mybatisplus.annotation.TableName;
-import lombok.Data;
 import lombok.EqualsAndHashCode;
+import javax.validation.constraints.NotBlank;
 import java.io.Serializable;
 import java.util.Date;
 
@@ -31,6 +31,7 @@ public class PcbBoardEngraveData implements Serializable {
     /**
      * pcb板数据
      */
+    @NotBlank
     private String fContent;
 
     /**