update 通用Service接口 增加自定义vo转换函数

This commit is contained in:
疯狂的狮子li 2021-05-15 14:27:29 +08:00
parent ee064fa84c
commit 69b9a4db2b
2 changed files with 164 additions and 43 deletions

View File

@ -9,6 +9,7 @@ import java.io.Serializable;
import java.util.Collection; import java.util.Collection;
import java.util.List; import java.util.List;
import java.util.Map; import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors; import java.util.stream.Collectors;
/** /**
@ -30,6 +31,18 @@ public interface IServicePlus<T> extends IService<T> {
return BeanUtil.toBean(t, kClass); return BeanUtil.toBean(t, kClass);
} }
/**
* 根据 ID 查询
*
* @param id 主键ID
* @param convertor 转换函数
* @param <K> vo类型
*/
default <K> K getVoById(Serializable id, Function<T, K> convertor) {
T t = getBaseMapper().selectById(id);
return convertor.apply(t);
}
/** /**
* 查询根据ID 批量查询 * 查询根据ID 批量查询
* *
@ -46,6 +59,21 @@ public interface IServicePlus<T> extends IService<T> {
.collect(Collectors.toList()); .collect(Collectors.toList());
} }
/**
* 查询根据ID 批量查询
*
* @param convertor 转换函数
* @param idList 主键ID列表
*/
default <K> List<K> listVoByIds(Collection<? extends Serializable> idList,
Function<Collection<T>, List<K>> convertor) {
List<T> list = getBaseMapper().selectBatchIds(idList);
if (list == null) {
return null;
}
return convertor.apply(list);
}
/** /**
* 查询根据 columnMap 条件 * 查询根据 columnMap 条件
* *
@ -62,6 +90,21 @@ public interface IServicePlus<T> extends IService<T> {
.collect(Collectors.toList()); .collect(Collectors.toList());
} }
/**
* 查询根据 columnMap 条件
*
* @param convertor 转换函数
* @param columnMap 表字段 map 对象
*/
default <K> List<K> listVoByMap(Map<String, Object> columnMap,
Function<Collection<T>, List<K>> convertor) {
List<T> list = getBaseMapper().selectByMap(columnMap);
if (list == null) {
return null;
}
return convertor.apply(list);
}
/** /**
* 根据 Wrapper查询一条记录 <br/> * 根据 Wrapper查询一条记录 <br/>
* <p>结果集如果是多个会抛出异常随机取一条加上限制条件 wrapper.last("LIMIT 1")</p> * <p>结果集如果是多个会抛出异常随机取一条加上限制条件 wrapper.last("LIMIT 1")</p>
@ -73,6 +116,17 @@ public interface IServicePlus<T> extends IService<T> {
return BeanUtil.toBean(getOne(queryWrapper, true), kClass); return BeanUtil.toBean(getOne(queryWrapper, true), kClass);
} }
/**
* 根据 Wrapper查询一条记录 <br/>
* <p>结果集如果是多个会抛出异常随机取一条加上限制条件 wrapper.last("LIMIT 1")</p>
*
* @param convertor 转换函数
* @param queryWrapper 实体对象封装操作类 {@link com.baomidou.mybatisplus.core.conditions.query.QueryWrapper}
*/
default <K> K getVoOne(Wrapper<T> queryWrapper, Function<T, K> convertor) {
return convertor.apply(getOne(queryWrapper, true));
}
/** /**
* 查询列表 * 查询列表
* *
@ -89,6 +143,20 @@ public interface IServicePlus<T> extends IService<T> {
.collect(Collectors.toList()); .collect(Collectors.toList());
} }
/**
* 查询列表
*
* @param convertor 转换函数
* @param queryWrapper 实体对象封装操作类 {@link com.baomidou.mybatisplus.core.conditions.query.QueryWrapper}
*/
default <K> List<K> listVo(Wrapper<T> queryWrapper, Function<Collection<T>, List<K>> convertor) {
List<T> list = getBaseMapper().selectList(queryWrapper);
if (list == null) {
return null;
}
return convertor.apply(list);
}
/** /**
* 查询所有 * 查询所有
* *
@ -99,28 +167,64 @@ public interface IServicePlus<T> extends IService<T> {
return listVo(Wrappers.emptyWrapper(), kClass); return listVo(Wrappers.emptyWrapper(), kClass);
} }
/**
* 查询所有
*
* @param convertor 转换函数
* @see Wrappers#emptyWrapper()
*/
default <K> List<K> listVo(Function<Collection<T>, List<K>> convertor) {
return listVo(Wrappers.emptyWrapper(), convertor);
}
/** /**
* 翻页查询 * 翻页查询
* *
* @param page 翻页对象 * @param page 翻页对象
* @param queryWrapper 实体对象封装操作类 * @param queryWrapper 实体对象封装操作类
* @param kClass vo类型 * @param kClass vo类型
*/ */
default <K> PagePlus<T, K> pageVo(PagePlus<T, K> page, Wrapper<T> queryWrapper, Class<K> kClass) { default <K> PagePlus<T, K> pageVo(PagePlus<T, K> page, Wrapper<T> queryWrapper, Class<K> kClass) {
PagePlus<T, K> e = getBaseMapper().selectPage(page, queryWrapper); PagePlus<T, K> result = getBaseMapper().selectPage(page, queryWrapper);
page.recordsToVo(kClass); List<K> volist = result.getRecords().stream()
return page; .map(any -> BeanUtil.toBean(any, kClass))
.collect(Collectors.toList());
result.setRecordsVo(volist);
return result;
}
/**
* 翻页查询
*
* @param page 翻页对象
* @param queryWrapper 实体对象封装操作类
* @param convertor 转换函数
*/
default <K> PagePlus<T, K> pageVo(PagePlus<T, K> page, Wrapper<T> queryWrapper,
Function<Collection<T>, List<K>> convertor) {
PagePlus<T, K> result = getBaseMapper().selectPage(page, queryWrapper);
return result.setRecordsVo(convertor.apply(result.getRecords()));
} }
/** /**
* 无条件翻页查询 * 无条件翻页查询
* *
* @param page 翻页对象 * @param page 翻页对象
* @param kClass vo类型 * @param kClass vo类型
*/ */
default <K> PagePlus<T, K> pageVo(PagePlus<T, K> page, Class<K> kClass) { default <K> PagePlus<T, K> pageVo(PagePlus<T, K> page, Class<K> kClass) {
return pageVo(page, Wrappers.emptyWrapper(), kClass); return pageVo(page, Wrappers.emptyWrapper(), kClass);
} }
/**
* 无条件翻页查询
*
* @param page 翻页对象
* @param convertor 转换函数
*/
default <K> PagePlus<T, K> pageVo(PagePlus<T, K> page, Function<Collection<T>, List<K>> convertor) {
return pageVo(page, Wrappers.emptyWrapper(), convertor);
}
} }

View File

@ -1,6 +1,5 @@
package com.ruoyi.common.core.page; package com.ruoyi.common.core.page;
import cn.hutool.core.bean.BeanUtil;
import com.baomidou.mybatisplus.core.metadata.IPage; import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.metadata.OrderItem; import com.baomidou.mybatisplus.core.metadata.OrderItem;
import lombok.Data; import lombok.Data;
@ -10,34 +9,67 @@ import java.util.ArrayList;
import java.util.Arrays; import java.util.Arrays;
import java.util.Collections; import java.util.Collections;
import java.util.List; import java.util.List;
import java.util.stream.Collectors;
@Data @Data
@Accessors(chain = true) @Accessors(chain = true)
public class PagePlus<T,K> implements IPage<T> { public class PagePlus<T,K> implements IPage<T> {
protected List<T> records; /**
protected List<K> recordsVo; * domain实体列表
protected long total; */
protected long size; private List<T> records = Collections.emptyList();
protected long current;
protected List<OrderItem> orders; /**
protected boolean optimizeCountSql; * vo实体列表
protected boolean isSearchCount; */
protected boolean hitCount; private List<K> recordsVo = Collections.emptyList();
protected String countId;
protected Long maxLimit; /**
* 总数
*/
private long total = 0L;
/**
* 页长度
*/
private long size = 10L;
/**
* 当前页
*/
private long current = 1L;
/**
* 排序字段信息
*/
private List<OrderItem> orders = new ArrayList<>();
/**
* 自动优化 COUNT SQL
*/
private boolean optimizeCountSql = true;
/**
* 是否进行 count 查询
*/
private boolean isSearchCount = true;
/**
* 是否命中count缓存
*/
private boolean hitCount = false;
/**
* countId
*/
private String countId;
/**
* 最大limit
*/
private Long maxLimit;
public PagePlus() { public PagePlus() {
this.records = Collections.emptyList();
this.recordsVo = Collections.emptyList();
this.total = 0L;
this.size = 10L;
this.current = 1L;
this.orders = new ArrayList();
this.optimizeCountSql = true;
this.isSearchCount = true;
this.hitCount = false;
} }
public PagePlus(long current, long size) { public PagePlus(long current, long size) {
@ -53,18 +85,9 @@ public class PagePlus<T,K> implements IPage<T> {
} }
public PagePlus(long current, long size, long total, boolean isSearchCount) { public PagePlus(long current, long size, long total, boolean isSearchCount) {
this.records = Collections.emptyList();
this.total = 0L;
this.size = 10L;
this.current = 1L;
this.orders = new ArrayList();
this.optimizeCountSql = true;
this.isSearchCount = true;
this.hitCount = false;
if (current > 1L) { if (current > 1L) {
this.current = current; this.current = current;
} }
this.size = size; this.size = size;
this.total = total; this.total = total;
this.isSearchCount = isSearchCount; this.isSearchCount = isSearchCount;
@ -78,12 +101,6 @@ public class PagePlus<T,K> implements IPage<T> {
return this.current < this.getPages(); return this.current < this.getPages();
} }
public void recordsToVo(Class<K> kClass) {
this.recordsVo = this.records.stream()
.map(any -> BeanUtil.toBean(any, kClass))
.collect(Collectors.toList());
}
@Override @Override
public String countId() { public String countId() {
return this.getCountId(); return this.getCountId();
@ -116,7 +133,7 @@ public class PagePlus<T,K> implements IPage<T> {
@Override @Override
public boolean isSearchCount() { public boolean isSearchCount() {
return this.total < 0L ? false : this.isSearchCount; return this.total >= 0L && this.isSearchCount;
} }
public PagePlus<T, K> setSearchCount(boolean isSearchCount) { public PagePlus<T, K> setSearchCount(boolean isSearchCount) {