blade-tool/blade-core-mybatis/src/main/java/org/springblade/core/mp/support/Condition.java

99 lines
3.0 KiB
Java

/**
* Copyright (c) 2018-2028, Chill Zhuang 庄骞 (smallchill@163.com).
* <p>
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* <p>
* http://www.gnu.org/licenses/lgpl.html
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springblade.core.mp.support;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.metadata.OrderItem;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import org.springblade.core.launch.constant.TokenConstant;
import org.springblade.core.tool.support.Kv;
import org.springblade.core.tool.utils.BeanUtil;
import org.springblade.core.tool.utils.Func;
import org.springblade.core.tool.utils.StringUtil;
import java.util.Map;
/**
* 分页工具
*
* @author Chill
*/
public class Condition {
/**
* 转化成mybatis plus中的Page
*
* @param query 查询条件
* @return IPage
*/
public static <T> IPage<T> getPage(Query query) {
Page<T> page = new Page<>(Func.toInt(query.getCurrent(), 1), Func.toInt(query.getSize(), 10));
String[] ascArr = Func.toStrArray(query.getAscs());
for (String asc : ascArr) {
page.addOrder(OrderItem.asc(StringUtil.cleanIdentifier(asc)));
}
String[] descArr = Func.toStrArray(query.getDescs());
for (String desc : descArr) {
page.addOrder(OrderItem.desc(StringUtil.cleanIdentifier(desc)));
}
return page;
}
/**
* 获取mybatis plus中的QueryWrapper
*
* @param entity 实体
* @param <T> 类型
* @return QueryWrapper
*/
public static <T> QueryWrapper<T> getQueryWrapper(T entity) {
return new QueryWrapper<>(entity);
}
/**
* 获取mybatis plus中的QueryWrapper
*
* @param query 查询条件
* @param clazz 实体类
* @param <T> 类型
* @return QueryWrapper
*/
public static <T> QueryWrapper<T> getQueryWrapper(Map<String, Object> query, Class<T> clazz) {
Kv exclude = Kv.init().set(TokenConstant.HEADER, TokenConstant.HEADER)
.set("current", "current").set("size", "size").set("ascs", "ascs").set("descs", "descs");
return getQueryWrapper(query, exclude, clazz);
}
/**
* 获取mybatis plus中的QueryWrapper
*
* @param query 查询条件
* @param exclude 排除的查询条件
* @param clazz 实体类
* @param <T> 类型
* @return QueryWrapper
*/
public static <T> QueryWrapper<T> getQueryWrapper(Map<String, Object> query, Map<String, Object> exclude, Class<T> clazz) {
exclude.forEach((k, v) -> query.remove(k));
QueryWrapper<T> qw = new QueryWrapper<>();
qw.setEntity(BeanUtil.newInstance(clazz));
SqlKeyword.buildCondition(query, qw);
return qw;
}
}