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reactor：增强MPJLambdaWrapperX 类，左连接后可以使用betweenIfPresent等

This commit is contained in:
YunaiV 2025-05-12 21:21:52 +08:00
parent 1cf079fec3
commit 69da106b9e
1 changed files with 63 additions and 27 deletions
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88
yudao-framework/yudao-spring-boot-starter-mybatis/src/main/java/cn/iocoder/yudao/framework/mybatis/core/query/MPJLambdaWrapperX.java
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@ -4,7 +4,6 @@ import cn.hutool.core.util.ArrayUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.iocoder.yudao.framework.common.util.collection.ArrayUtils;
import com.baomidou.mybatisplus.core.toolkit.support.SFunction;
import com.github.yulichang.toolkit.MPJWrappers;
import com.github.yulichang.wrapper.MPJLambdaWrapper;
import org.springframework.util.StringUtils;
@ -15,94 +14,94 @@ import java.util.function.Consumer;
* 拓展 MyBatis Plus Join QueryWrapper 类，主要增加如下功能：
* <p>
* 1. 拼接条件的方法，增加 xxxIfPresent 方法，用于判断值不存在的时候，不要拼接到条件中。
*
* 2. SFunction<S, ?> column + <S> 泛型：支持任意类字段（主表、子表、三表），推荐写法, 让编译器自动推断 S 类型
* @param <T> 数据类型
*/
public class MPJLambdaWrapperX<T> extends MPJLambdaWrapper<T> {
public <R> MPJLambdaWrapperX<T> likeIfPresent(SFunction<R, ?> column, String val) {
MPJWrappers.lambdaJoin().like(column, val);
public <S> MPJLambdaWrapperX<T> likeIfPresent(SFunction<S, ?> column, String val) {
if (StringUtils.hasText(val)) {
return (MPJLambdaWrapperX<T>) super.like(column, val);
}
return this;
}
public <R> MPJLambdaWrapperX<T> inIfPresent(SFunction<R, ?> column, Collection<?> values) {
public <S> MPJLambdaWrapperX<T> inIfPresent(SFunction<S, ?> column, Collection<?> values) {
if (ObjectUtil.isAllNotEmpty(values) && !ArrayUtil.isEmpty(values)) {
return (MPJLambdaWrapperX<T>) super.in(column, values);
}
return this;
}
public <R> MPJLambdaWrapperX<T> inIfPresent(SFunction<R, ?> column, Object... values) {
public <S> MPJLambdaWrapperX<T> inIfPresent(SFunction<S, ?> column, Object... values) {
if (ObjectUtil.isAllNotEmpty(values) && !ArrayUtil.isEmpty(values)) {
return (MPJLambdaWrapperX<T>) super.in(column, values);
}
return this;
}
public <R> MPJLambdaWrapperX<T> eqIfPresent(SFunction<R, ?> column, Object val) {
public <S> MPJLambdaWrapperX<T> eqIfPresent(SFunction<S, ?> column, Object val) {
if (ObjectUtil.isNotEmpty(val)) {
return (MPJLambdaWrapperX<T>) super.eq(column, val);
}
return this;
}
public <R> MPJLambdaWrapperX<T> neIfPresent(SFunction<R, ?> column, Object val) {
public <S> MPJLambdaWrapperX<T> neIfPresent(SFunction<S, ?> column, Object val) {
if (ObjectUtil.isNotEmpty(val)) {
return (MPJLambdaWrapperX<T>) super.ne(column, val);
}
return this;
}
public <R> MPJLambdaWrapperX<T> gtIfPresent(SFunction<R, ?> column, Object val) {
public <S> MPJLambdaWrapperX<T> gtIfPresent(SFunction<S, ?> column, Object val) {
if (val != null) {
return (MPJLambdaWrapperX<T>) super.gt(column, val);
}
return this;
}
public <R> MPJLambdaWrapperX<T> geIfPresent(SFunction<R, ?> column, Object val) {
public <S> MPJLambdaWrapperX<T> geIfPresent(SFunction<S, ?> column, Object val) {
if (val != null) {
return (MPJLambdaWrapperX<T>) super.ge(column, val);
}
return this;
}
public <R> MPJLambdaWrapperX<T> ltIfPresent(SFunction<R, ?> column, Object val) {
public <S> MPJLambdaWrapperX<T> ltIfPresent(SFunction<S, ?> column, Object val) {
if (val != null) {
return (MPJLambdaWrapperX<T>) super.lt(column, val);
}
return this;
}
public <R> MPJLambdaWrapperX<T> leIfPresent(SFunction<R, ?> column, Object val) {
public <S> MPJLambdaWrapperX<T> leIfPresent(SFunction<S, ?> column, Object val) {
if (val != null) {
return (MPJLambdaWrapperX<T>) super.le(column, val);
}
return this;
}
public <R> MPJLambdaWrapperX<T> betweenIfPresent(SFunction<R, ?> column, Object val1, Object val2) {
if (val1 != null && val2 != null) {
return (MPJLambdaWrapperX<T>) super.between(column, val1, val2);
}
if (val1 != null) {
return (MPJLambdaWrapperX<T>) ge(column, val1);
}
if (val2 != null) {
return (MPJLambdaWrapperX<T>) le(column, val2);
}
return this;
}
public <R> MPJLambdaWrapperX<T> betweenIfPresent(SFunction<R, ?> column, Object[] values) {
public <S> MPJLambdaWrapperX<T> betweenIfPresent(SFunction<S, ?> column, Object[] values) {
Object val1 = ArrayUtils.get(values, 0);
Object val2 = ArrayUtils.get(values, 1);
return betweenIfPresent(column, val1, val2);
}
public <S> MPJLambdaWrapperX<T> betweenIfPresent(SFunction<S, ?> column, Object val1, Object val2) {
if (val1 != null && val2 != null) {
return (MPJLambdaWrapperX<T>) super.between(column, val1, val2);
}
if (val1 != null) {
return (MPJLambdaWrapperX<T>) super.ge(column, val1);
}
if (val2 != null) {
return (MPJLambdaWrapperX<T>) super.le(column, val2);
}
return this;
}
// ========== 重写父类方法，方便链式调用 ==========
@Override
@ -310,4 +309,41 @@ public class MPJLambdaWrapperX<T> extends MPJLambdaWrapper<T> {
return this;
}
// ========== 关键重写：使 leftJoin 返回当前类型 this ==========
@Override
public <A, B> MPJLambdaWrapperX<T> leftJoin(Class<A> clazz, SFunction<A, ?> left, SFunction<B, ?> right) {
super.leftJoin(clazz, left, right);
return this;
}
@Override
public <A, B> MPJLambdaWrapperX<T> rightJoin(Class<A> clazz, SFunction<A, ?> left, SFunction<B, ?> right) {
super.rightJoin(clazz, left, right);
return this;
}
@Override
public <A, B> MPJLambdaWrapperX<T> innerJoin(Class<A> clazz, SFunction<A, ?> left, SFunction<B, ?> right) {
super.innerJoin(clazz, left, right);
return this;
}
// ========== 添加扩展 Join 支持 ext 函数式参数 ==========
public <A, B> MPJLambdaWrapperX<T> leftJoin(Class<A> clazz, SFunction<A, ?> left, SFunction<B, ?> right, Consumer<MPJLambdaWrapperX<T>> ext) {
super.leftJoin(clazz, left, right);
if (ext != null) ext.accept(this);
return this;
}
public <A, B> MPJLambdaWrapperX<T> rightJoin(Class<A> clazz, SFunction<A, ?> left, SFunction<B, ?> right, Consumer<MPJLambdaWrapperX<T>> ext) {
super.rightJoin(clazz, left, right);
if (ext != null) ext.accept(this);
return this;
}
public <A, B> MPJLambdaWrapperX<T> innerJoin(Class<A> clazz, SFunction<A, ?> left, SFunction<B, ?> right, Consumer<MPJLambdaWrapperX<T>> ext) {
super.innerJoin(clazz, left, right);
if (ext != null) ext.accept(this);
return this;
}
}