2023-10-10 09:20:23 +08:00

89 lines
2.5 KiB
Java

package com.zhgd.xmgl.util;
import cn.hutool.core.bean.BeanUtil;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import lombok.experimental.UtilityClass;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
@UtilityClass
public class PageUtil {
public Page getPage(Map<String, Object> map) {
int pageNo = Integer.parseInt(map.getOrDefault("pageNo", 1).toString());
int pageSize = Integer.parseInt(map.getOrDefault("pageSize", 10).toString());
return new Page(pageNo, pageSize);
}
/**
* MyBatis-Plus page属性复制
*
* @param sourcePage sourcePage
* @param clazz clazz
* @return com.baomidou.mybatisplus.extension.plugins.pagination.Page<T>
* @author myyan
* @date 2022/12/22 15:19
*/
public static <T> Page<T> copyProperties(Page<?> sourcePage, Class<T> clazz) {
if (sourcePage == null) {
return null;
}
Page<T> result = new Page<T>();
result.setRecords(copyProperties(sourcePage.getRecords(), clazz));
result.setTotal(sourcePage.getTotal());
result.setSize(sourcePage.getSize());
result.setCurrent(sourcePage.getCurrent());
result.setOrders(sourcePage.getOrders());
result.setSearchCount(sourcePage.isSearchCount());
result.setOptimizeCountSql(sourcePage.optimizeCountSql());
result.setHitCount(sourcePage.isHitCount());
return result;
}
/**
* List集合复制
*
* @param sourcesList sourcesList
* @param target target
* @return java.util.List<T>
* @author myyan
* @date 2022/12/22 15:18
*/
public static <T> List<T> copyProperties(List<?> sourcesList, Class<T> target) {
if (sourcesList == null) {
return null;
}
return sourcesList.stream().map(item -> copyProperties(item, target)).collect(Collectors.toList());
}
/**
* 对象复制
*
* @param source source
* @param clazz class
* @return T
* @author myyan
* @date 2022/12/22 15:15
*/
public static <T> T copyProperties(Object source, Class<T> clazz) {
if (source == null) {
return null;
}
if (clazz == null) {
return null;
}
T result = null;
try {
result = clazz.newInstance();
} catch (InstantiationException | IllegalAccessException e) {
e.printStackTrace();
}
BeanUtil.copyProperties(source, result);
return result;
}
}