From c2e28b5d94914426ca2d4dd9c4002b23c7db1295 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期四, 16 十二月 2021 10:54:26 +0800
Subject: [PATCH] update 修改 基础方法返回空判断 优化返回值
---
ruoyi-common/src/main/java/com/ruoyi/common/core/mybatisplus/core/BaseMapperPlus.java | 23 +++++++++++++++++------
1 files changed, 17 insertions(+), 6 deletions(-)
diff --git a/ruoyi-common/src/main/java/com/ruoyi/common/core/mybatisplus/core/BaseMapperPlus.java b/ruoyi-common/src/main/java/com/ruoyi/common/core/mybatisplus/core/BaseMapperPlus.java
index 9d51d24..e11ec94 100644
--- a/ruoyi-common/src/main/java/com/ruoyi/common/core/mybatisplus/core/BaseMapperPlus.java
+++ b/ruoyi-common/src/main/java/com/ruoyi/common/core/mybatisplus/core/BaseMapperPlus.java
@@ -1,5 +1,7 @@
package com.ruoyi.common.core.mybatisplus.core;
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.util.ObjectUtil;
import com.baomidou.mybatisplus.core.conditions.Wrapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
@@ -30,6 +32,9 @@
*/
default <V> V selectVoById(Serializable id, Class<V> voClass){
T obj = this.selectById(id);
+ if (ObjectUtil.isNull(obj)) {
+ return null;
+ }
return BeanCopyUtils.copy(obj, voClass);
}
@@ -38,8 +43,8 @@
*/
default <V> List<V> selectVoBatchIds(Collection<? extends Serializable> idList, Class<V> voClass){
List<T> list = this.selectBatchIds(idList);
- if (list == null) {
- return null;
+ if (CollUtil.isEmpty(list)) {
+ return CollUtil.newArrayList();
}
return BeanCopyUtils.copyList(list, voClass);
}
@@ -49,8 +54,8 @@
*/
default <V> List<V> selectVoByMap(Map<String, Object> map, Class<V> voClass){
List<T> list = this.selectByMap(map);
- if (list == null) {
- return null;
+ if (CollUtil.isEmpty(list)) {
+ return CollUtil.newArrayList();
}
return BeanCopyUtils.copyList(list, voClass);
}
@@ -60,6 +65,9 @@
*/
default <V> V selectVoOne(Wrapper<T> wrapper, Class<V> voClass) {
T obj = this.selectOne(wrapper);
+ if (ObjectUtil.isNull(obj)) {
+ return null;
+ }
return BeanCopyUtils.copy(obj, voClass);
}
@@ -68,8 +76,8 @@
*/
default <V> List<V> selectVoList(Wrapper<T> wrapper, Class<V> voClass) {
List<T> list = this.selectList(wrapper);
- if (list == null) {
- return null;
+ if (CollUtil.isEmpty(list)) {
+ return CollUtil.newArrayList();
}
return BeanCopyUtils.copyList(list, voClass);
}
@@ -80,6 +88,9 @@
default <V, P extends IPage<V>> P selectVoPage(IPage<T> page, Wrapper<T> wrapper, Class<V> voClass) {
IPage<T> pageData = this.selectPage(page, wrapper);
IPage<V> voPage = new Page<>(pageData.getCurrent(), pageData.getSize(), pageData.getTotal());
+ if (CollUtil.isEmpty(pageData.getRecords())) {
+ return (P) voPage;
+ }
voPage.setRecords(BeanCopyUtils.copyList(pageData.getRecords(), voClass));
return (P) voPage;
}
--
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