uii*_*iii 7 java rest spring spring-data-jpa spring-data-rest
我有实体Market
和Event
.Market
实体有一列:
@ManyToOne(fetch = FetchType.EAGER)
private Event event;
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接下来我有一个存储库:
public interface MarketRepository extends PagingAndSortingRepository<Market, Long> {
}
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和投影:
@Projection(name="expanded", types={Market.class})
public interface ExpandedMarket {
public String getName();
public Event getEvent();
}
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使用REST查询/api/markets?projection=expanded&sort=name,asc
我成功获得了按市场名称排序的嵌套事件属性的市场列表:
{
"_embedded" : {
"markets" : [ {
"name" : "Match Odds",
"event" : {
"id" : 1,
"name" : "Watford vs Crystal Palace"
},
...
}, {
"name" : "Match Odds",
"event" : {
"id" : 2,
"name" : "Arsenal vs West Brom",
},
...
},
...
}
}
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但我需要的是获取按事件名称排序的市场列表,我尝试了查询,/api/markets?projection=expanded&sort=event.name,asc
但它没有用.我该怎么做才能让它发挥作用?
你MarketRepository
可能有一个named query
喜欢:
public interface MarketRepository exten PagingAndSortingRepository<Market, Long> {
Page<Market> findAllByEventByName(String name, Page pageable);
}
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您可以name
从 url 获取参数@RequestParam
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