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[重大更新] 增加mybatis-plus扩展工具 大幅简化整体业务代码写法 优雅舒适

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疯狂的狮子Li
2026-05-15 11:39:20 +08:00
parent fdf9e4ae39
commit 7a5d6b4723
44 changed files with 1535 additions and 483 deletions
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ruoyi-modules/ruoyi-gen/src/main/java/org/dromara/gen/service/GenTableServiceImpl.java
+9 -6
View File
@@ -8,7 +8,6 @@ import cn.hutool.core.lang.Dict;
import cn.hutool.core.util.ObjectUtil;
import com.baomidou.dynamic.datasource.annotation.DS;
import com.baomidou.dynamic.datasource.annotation.DSTransactional;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
@@ -66,9 +65,10 @@ public class GenTableServiceImpl implements IGenTableService {
*/
@Override
public List<GenTableColumn> selectGenTableColumnListByTableId(Long tableId) {
return genTableColumnMapper.selectList(new LambdaQueryWrapper<GenTableColumn>()
return genTableColumnMapper.lambda()
.eq(GenTableColumn::getTableId, tableId)
.orderByAsc(GenTableColumn::getSort));
.orderByAsc(GenTableColumn::getSort)
.list();
}
/**
@@ -246,7 +246,9 @@ public class GenTableServiceImpl implements IGenTableService {
public void deleteGenTableByIds(Long[] tableIds) {
List<Long> ids = Arrays.asList(tableIds);
baseMapper.deleteByIds(ids);
genTableColumnMapper.delete(new LambdaQueryWrapper<GenTableColumn>().in(GenTableColumn::getTableId, ids));
genTableColumnMapper.lambda()
.in(GenTableColumn::getTableId, ids)
.deleteCount();
}
/**
@@ -551,10 +553,11 @@ public class GenTableServiceImpl implements IGenTableService {
return tables;
}
List<Long> tableIds = StreamUtils.toList(tables, GenTable::getTableId);
List<GenTableColumn> columns = genTableColumnMapper.selectList(new LambdaQueryWrapper<GenTableColumn>()
List<GenTableColumn> columns = genTableColumnMapper.lambda()
.in(GenTableColumn::getTableId, tableIds)
.orderByAsc(GenTableColumn::getTableId)
.orderByAsc(GenTableColumn::getSort));
.orderByAsc(GenTableColumn::getSort)
.list();
Map<Long, List<GenTableColumn>> columnMap = StreamUtils.groupByKey(columns, GenTableColumn::getTableId);
tables.forEach(table -> table.setColumns(columnMap.getOrDefault(table.getTableId(), new ArrayList<>())));
return tables;
ruoyi-modules/ruoyi-gen/src/main/resources/vm/java/serviceImpl.java.vm
+43 -21
View File
@@ -8,11 +8,11 @@ import org.dromara.common.core.domain.PageResult;
import org.dromara.common.mybatis.core.page.PageQuery;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
#end
#if($enableStatus || $enableSort)
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
#end
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
#if($enableUnique)
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
#end
import org.dromara.common.mybatis.core.query.QueryBuilder;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
@@ -134,7 +134,7 @@ public class ${ClassName}ServiceImpl implements I${ClassName}Service {
#if($hasBetween)
Map<String, Object> params = bo.getParams();
#end
LambdaQueryWrapper<${ClassName}> lqw = Wrappers.lambdaQuery();
return QueryBuilder.lambda(${ClassName}.class)
#foreach($column in $columns)
#if($column.query)
#set($queryType=$column.queryType)
@@ -144,29 +144,47 @@ public class ${ClassName}ServiceImpl implements I${ClassName}Service {
#if($queryType != 'BETWEEN')
#if($javaType == 'String')
#set($condition='StringUtils.isNotBlank(bo.get'+$AttrName+'())')
#if($queryType == 'LIKE')
.likeIfText(${ClassName}::get$AttrName, bo.get$AttrName())
#elseif($queryType == 'EQ')
.eqIfText(${ClassName}::get$AttrName, bo.get$AttrName())
#elseif($queryType == 'NE')
.neIfText(${ClassName}::get$AttrName, bo.get$AttrName())
#else
.$mpMethod($condition, ${ClassName}::get$AttrName, bo.get$AttrName())
#end
#else
#set($condition='bo.get'+$AttrName+'() != null')
#end
lqw.$mpMethod($condition, ${ClassName}::get$AttrName, bo.get$AttrName());
#if($queryType == 'EQ')
.eqIfPresent(${ClassName}::get$AttrName, bo.get$AttrName())
#elseif($queryType == 'NE')
.neIfPresent(${ClassName}::get$AttrName, bo.get$AttrName())
#elseif($queryType == 'GT')
.gtIfPresent(${ClassName}::get$AttrName, bo.get$AttrName())
#elseif($queryType == 'LT')
.ltIfPresent(${ClassName}::get$AttrName, bo.get$AttrName())
#else
lqw.between(params.get("begin$AttrName") != null && params.get("end$AttrName") != null,
${ClassName}::get$AttrName, params.get("begin$AttrName"), params.get("end$AttrName"));
.$mpMethod($condition, ${ClassName}::get$AttrName, bo.get$AttrName())
#end
#end
#else
.betweenParams(${ClassName}::get$AttrName, params, "begin$AttrName", "end$AttrName")
#end
#end
#end
#if($table.tree && "" != $treeAncestorsField)
lqw.orderByAsc(${ClassName}::get${TreeAncestorsCap});
.orderByAsc(${ClassName}::get${TreeAncestorsCap})
#end
#if($table.tree && "" != $treeParentCode)
lqw.orderByAsc(${ClassName}::get${TreeParentCap});
.orderByAsc(${ClassName}::get${TreeParentCap})
#end
#if($table.tree && "" != $treeOrderField)
lqw.orderByAsc(${ClassName}::get${TreeOrderCap});
.orderByAsc(${ClassName}::get${TreeOrderCap})
#elseif($enableSort)
lqw.orderByAsc(${ClassName}::get${sortColumn.capJavaField});
.orderByAsc(${ClassName}::get${sortColumn.capJavaField})
#end
lqw.orderByAsc(${ClassName}::get${pkColumn.capJavaField});
return lqw;
.orderByAsc(${ClassName}::get${pkColumn.capJavaField})
.build();
}
/**
@@ -215,9 +233,10 @@ public class ${ClassName}ServiceImpl implements I${ClassName}Service {
*/
@Override
public Boolean updateStatus(${pkColumn.javaType} ${pkColumn.javaField}, ${statusColumn.javaType} status) {
return baseMapper.update(null, new LambdaUpdateWrapper<${ClassName}>()
return baseMapper.lambda()
.set(${ClassName}::get${statusColumn.capJavaField}, status)
.eq(${ClassName}::get${pkColumn.capJavaField}, ${pkColumn.javaField})) > 0;
.eq(${ClassName}::get${pkColumn.capJavaField}, ${pkColumn.javaField})
.update();
}
#end
@@ -231,9 +250,10 @@ public class ${ClassName}ServiceImpl implements I${ClassName}Service {
*/
@Override
public Boolean updateSort(${pkColumn.javaType} ${pkColumn.javaField}, ${sortColumn.javaType} sortValue) {
return baseMapper.update(null, new LambdaUpdateWrapper<${ClassName}>()
return baseMapper.lambda()
.set(${ClassName}::get${sortColumn.capJavaField}, sortValue)
.eq(${ClassName}::get${pkColumn.capJavaField}, ${pkColumn.javaField})) > 0;
.eq(${ClassName}::get${pkColumn.capJavaField}, ${pkColumn.javaField})
.update();
}
#end
@@ -296,12 +316,14 @@ public class ${ClassName}ServiceImpl implements I${ClassName}Service {
}
private void updateChildrenAncestors(${pkColumn.javaType} currentId, String newAncestors, String oldAncestors) {
List<${ClassName}> children = baseMapper.selectList(new LambdaQueryWrapper<${ClassName}>()
.select(${ClassName}::get${pkColumn.capJavaField}, ${ClassName}::get${TreeAncestorsCap}()));
List<${ClassName}> children = baseMapper.lambda()
.select(${ClassName}::get${pkColumn.capJavaField}, ${ClassName}::get${TreeAncestorsCap})
.findInSet(currentId, ${ClassName}::get${TreeAncestorsCap})
.list();
List<${ClassName}> updateList = new ArrayList<>();
for (${ClassName} child : children) {
String ancestors = child.get${TreeAncestorsCap}();
if (StringUtils.isBlank(ancestors) || !containsAncestor(ancestors, currentId)) {
if (StringUtils.isBlank(ancestors)) {
continue;
}
${ClassName} update = new ${ClassName}();