package com.moral.api.config.mybatis.wrapper;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.core.enums.SqlKeyword;
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import com.baomidou.mybatisplus.core.enums.SqlLike;
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import org.springframework.util.ObjectUtils;
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import java.util.Collection;
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/**
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* @ClassName FiltNullWrapper
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* @Description 查询构造器,传入null并不会作为条件
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* @Author 陈凯裕
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* @Date 2021/3/30 10:45
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* @Version TODO
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**/
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public class NullFilterWrapper<T> extends QueryWrapper<T> {
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@Override
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protected QueryWrapper<T> likeValue(boolean condition, String column, Object val, SqlLike sqlLike) {
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if(val==null)
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condition = false;
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return super.likeValue(condition, column, val, sqlLike);
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}
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@Override
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public QueryWrapper<T> between(boolean condition, String column, Object val1, Object val2) {
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if(val1==null||val2==null)
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condition = false;
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return super.between(condition, column, val1, val2);
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}
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@Override
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public QueryWrapper<T> eq(boolean condition, String column, Object val) {
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if(val==null)
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condition = false;
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return super.eq(condition, column, val);
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}
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@Override
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public QueryWrapper<T> in(boolean condition, String column, Collection<?> coll) {
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if(ObjectUtils.isEmpty(coll))
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condition = false;
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return super.in(condition, column, coll);
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}
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}
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