105 lines
3.3 KiB
Java
105 lines
3.3 KiB
Java
package com.peanut.common.utils;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import java.util.Objects;
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/**
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* 继承QueryWrapper，重写其构造条件方法，使条件为null的查询条件，不再执行。
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* @since Mybatis+ version: 3.x.x
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* @author firewolf
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*/
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public class ExcludeEmptyQueryWrapper<T> extends QueryWrapper<T> {
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@Override
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public QueryWrapper<T> eq(boolean condition, String column, Object val) {
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if("".equals(val) || Objects.isNull(val)){
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condition = false;
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}else{
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condition = true;
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}
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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> ne(boolean condition, String column, Object val) {
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condition = !Objects.isNull(val);
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return super.ne(condition, column, val);
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}
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@Override
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public QueryWrapper<T> gt(boolean condition, String column, Object val) {
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condition = !Objects.isNull(val);
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return super.gt(condition, column, val);
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}
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@Override
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public QueryWrapper<T> ge(boolean condition, String column, Object val) {
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condition = !Objects.isNull(val);
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return super.ge(condition, column, val);
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}
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@Override
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public QueryWrapper<T> lt(boolean condition, String column, Object val) {
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condition = !Objects.isNull(val);
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return super.lt(condition, column, val);
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}
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@Override
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public QueryWrapper<T> le(boolean condition, String column, Object val) {
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condition = !Objects.isNull(val);
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return super.le(condition, column, val);
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}
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@Override
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public QueryWrapper<T> like(boolean condition, String column, Object val) {
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if("".equals(val) || Objects.isNull(val)){
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condition = false;
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}else{
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condition = true;
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}
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return super.like(condition, column, val);
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}
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@Override
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public QueryWrapper<T> notLike(boolean condition, String column, Object val) {
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condition = !Objects.isNull(val);
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return super.notLike(condition, column, val);
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}
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@Override
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public QueryWrapper<T> likeLeft(boolean condition, String column, Object val) {
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condition = !Objects.isNull(val);
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return super.likeLeft(condition, column, val);
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}
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@Override
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public QueryWrapper<T> likeRight(boolean condition, String column, Object val) {
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condition = !Objects.isNull(val);
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return super.likeRight(condition, column, val);
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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(Objects.isNull(val1) && Objects.isNull(val2)){
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condition = false;
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}else if(Objects.isNull(val1)){
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return super.lt(true,column,val2);
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}else if(Objects.isNull(val2)){
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return super.ge(true,column,val1);
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}
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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> notBetween(boolean condition, String column, Object val1, Object val2) {
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if(Objects.isNull(val1) && Objects.isNull(val2)){
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condition = false;
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}else if(Objects.isNull(val1)){
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return super.lt(true,column,val2);
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}else if(Objects.isNull(val2)){
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return super.ge(true,column,val1);
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}
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return super.notBetween(condition, column, val1, val2);
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}
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}
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