/*
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* Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* Neither the name of the dreamlu.net developer nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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* Author: Chill 庄骞 (smallchill@163.com)
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*/
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package org.springblade.core.mp.support;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.core.metadata.OrderItem;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import org.springblade.core.launch.constant.TokenConstant;
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import org.springblade.core.tool.support.Kv;
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import org.springblade.core.tool.utils.BeanUtil;
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import org.springblade.core.tool.utils.Func;
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import org.springblade.core.tool.utils.StringUtil;
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import java.util.Map;
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/**
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* 分页工具
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*
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* @author Chill
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*/
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public class Condition {
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/**
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* 转化成mybatis plus中的Page
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*
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* @param query 查询条件
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* @return IPage
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*/
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public static <T> IPage<T> getPage(Query query) {
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Page<T> page = new Page<>(Func.toInt(query.getCurrent(), 1), Func.toInt(query.getSize(), 10));
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String[] ascArr = Func.toStrArray(query.getAscs());
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for (String asc : ascArr) {
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page.addOrder(OrderItem.asc(StringUtil.cleanIdentifier(asc)));
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}
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String[] descArr = Func.toStrArray(query.getDescs());
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for (String desc : descArr) {
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page.addOrder(OrderItem.desc(StringUtil.cleanIdentifier(desc)));
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}
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return page;
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}
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/**
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* 获取mybatis plus中的QueryWrapper
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*
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* @param entity 实体
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* @param <T> 类型
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* @return QueryWrapper
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*/
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public static <T> QueryWrapper<T> getQueryWrapper(T entity) {
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return new QueryWrapper<>(entity);
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}
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/**
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* 获取mybatis plus中的QueryWrapper
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*
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* @param query 查询条件
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* @param clazz 实体类
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* @param <T> 类型
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* @return QueryWrapper
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*/
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public static <T> QueryWrapper<T> getQueryWrapper(Map<String, Object> query, Class<T> clazz) {
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Kv exclude = Kv.create().set(TokenConstant.HEADER, TokenConstant.HEADER)
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.set("current", "current").set("size", "size").set("ascs", "ascs").set("descs", "descs");
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return getQueryWrapper(query, exclude, clazz);
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}
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/**
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* 获取mybatis plus中的QueryWrapper
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*
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* @param query 查询条件
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* @param exclude 排除的查询条件
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* @param clazz 实体类
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* @param <T> 类型
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* @return QueryWrapper
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*/
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public static <T> QueryWrapper<T> getQueryWrapper(Map<String, Object> query, Map<String, Object> exclude, Class<T> clazz) {
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exclude.forEach((k, v) -> query.remove(k));
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QueryWrapper<T> qw = new QueryWrapper<>();
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qw.setEntity(BeanUtil.newInstance(clazz));
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SqlKeyword.buildCondition(query, qw);
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return qw;
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}
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}
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