代码调整

pqs-common/common-db/src/main/java/com/njcn/db/config/MybatisConfig.java

@@ -4,6 +4,7 @@ import com.baomidou.mybatisplus.annotation.DbType;
 import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
 import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
 import com.njcn.db.handler.AutoFillValueHandler;
+import com.njcn.db.handler.BatchInjector;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 
@@ -34,4 +35,17 @@ public class MybatisConfig {
         return new AutoFillValueHandler();
     }
 
+
+    /***
+     * 自定义注册器，处理批量插入
+     * @author hongawen
+     * @date 2023/5/30 14:53
+     * @return BatchInjector
+     */
+    @Bean
+    public BatchInjector sqlInjector() {
+        return new BatchInjector();
+    }
+
+
 }

pqs-common/common-db/src/main/java/com/njcn/db/handler/BatchInjector.java

@@ -0,0 +1,25 @@
+package com.njcn.db.handler;
+
+import com.baomidou.mybatisplus.annotation.FieldFill;
+import com.baomidou.mybatisplus.core.injector.AbstractMethod;
+import com.baomidou.mybatisplus.core.injector.DefaultSqlInjector;
+import com.baomidou.mybatisplus.extension.injector.methods.InsertBatchSomeColumn;
+
+import java.util.List;
+
+/**
+ * @author hongawen
+ * @version 1.0.0
+ * @date 2023年05月30日 14:51
+ */
+public class BatchInjector extends DefaultSqlInjector {
+
+    @Override
+    public List<AbstractMethod> getMethodList(Class<?> mapperClass) {
+        List<AbstractMethod> methodList = super.getMethodList(mapperClass);
+        //更新时自动填充的字段，不用插入值
+        methodList.add(new InsertBatchSomeColumn(i -> i.getFieldFill() != FieldFill.UPDATE));
+        return methodList;
+    }
+
+}

pqs-common/common-db/src/main/java/com/njcn/db/mapper/BatchMapper.java

@@ -0,0 +1,19 @@
+package com.njcn.db.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+
+import java.util.List;
+
+/**
+ * @author hongawen
+ * @version 1.0.0
+ * @date 2023年05月30日 14:54
+ */
+public interface BatchMapper<T> extends BaseMapper<T> {
+
+    /**
+     * 真正的批量插入
+     */
+    int insertBatchSomeColumn(List<T> entityList);
+
+}