自动构建 resultMap ，处理主键获取真正的字段名

mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/metadata/TableInfo.java

@@ -17,11 +17,7 @@ package com.baomidou.mybatisplus.core.metadata;
 
 import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.KeySequence;
-import com.baomidou.mybatisplus.core.toolkit.Assert;
-import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
-import com.baomidou.mybatisplus.core.toolkit.Constants;
-import com.baomidou.mybatisplus.core.toolkit.ExceptionUtils;
-import com.baomidou.mybatisplus.core.toolkit.StringUtils;
+import com.baomidou.mybatisplus.core.toolkit.*;
 import com.baomidou.mybatisplus.core.toolkit.sql.SqlScriptUtils;
 import lombok.AccessLevel;
 import lombok.Data;
@@ -451,7 +447,7 @@ public class TableInfo implements Constants {
             String id = currentNamespace + DOT + MYBATIS_PLUS + UNDERSCORE + entityType.getSimpleName();
             List<ResultMapping> resultMappings = new ArrayList<>();
             if (havePK()) {
-                ResultMapping idMapping = new ResultMapping.Builder(configuration, keyProperty, keyColumn, keyType)
+                ResultMapping idMapping = new ResultMapping.Builder(configuration, keyProperty, StringUtils.getTargetColumn(keyColumn), keyType)
                     .flags(Collections.singletonList(ResultFlag.ID)).build();
                 resultMappings.add(idMapping);
             }