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test: 增加联表查询的示例

This commit is contained in:
2025-08-21 15:51:05 +08:00
parent d53301b8a3
commit aea9aa8829
5 changed files with 260 additions and 1 deletions

View File

@@ -4,6 +4,15 @@ import com.blinkfox.fenix.EnableFenix;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.lanyuanxiaoyao.service.template.entity.Company_;
import com.lanyuanxiaoyao.service.template.entity.Employee;
import com.lanyuanxiaoyao.service.template.entity.Employee_;
import com.lanyuanxiaoyao.service.template.entity.QEmployee;
import com.lanyuanxiaoyao.service.template.entity.Report;
import com.lanyuanxiaoyao.service.template.entity.Report_;
import com.lanyuanxiaoyao.service.template.repository.EmployeeRepository;
import jakarta.annotation.Resource;
import java.util.List;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.SpringApplication;
@@ -29,6 +38,8 @@ public class TestApplication {
private static final String BASE_URL = "http://localhost:2490";
private static final RestTemplate REST_CLIENT = new RestTemplate();
private static final ObjectMapper MAPPER = new ObjectMapper();
@Resource
private EmployeeRepository employeeRepository;
public static void main(String[] args) {
SpringApplication.run(TestApplication.class, args);
@@ -80,7 +91,8 @@ public class TestApplication {
" \"members\": 50\n" +
" },\n" +
" \"greatEqual\": {\n" +
" \"members\": 0\n" +
" \"members\": 0,\n" +
" \"createdTime\": \"2025-01-01 00:00:00\"\n" +
" },\n" +
" \"in\": {\n" +
" \"name\": [\n" +
@@ -136,6 +148,86 @@ public class TestApplication {
System.exit(0);
}
@EventListener(ApplicationReadyEvent.class)
public void runSpecificationTests() throws JsonProcessingException {
// 增
var cid1 = saveItem("company", "{\"name\": \"Apple\",\"members\": 10}").get("data").asLong();
var cid2 = saveItem("company", "{\"name\": \"Banana\",\"members\": 20}").get("data").asLong();
var cid3 = saveItem("company", "{\"name\": \"Cheery\",\"members\": 20}").get("data").asLong();
var eid1 = saveItem("employee", "{\"name\": \"Tom\",\"age\": 18, \"companyId\": %d}".formatted(cid1)).get("data").asLong();
var eid2 = saveItem("employee", "{\"name\": \"Jerry\",\"age\": 18, \"companyId\": %d}".formatted(cid1)).get("data").asLong();
var eid3 = saveItem("employee", "{\"name\": \"Mike\",\"age\": 18, \"companyId\": %d}".formatted(cid2)).get("data").asLong();
var rid = saveItem("report", "{\"employeeId\": %d, \"score\": 56.38, \"level\": \"A\"}".formatted(eid1)).get("data").asLong();
var rid2 = saveItem("report", "{\"employeeId\": %d, \"score\": 78.98, \"level\": \"B\"}".formatted(eid2)).get("data").asLong();
log.debug(
"Results: {}",
employeeRepository.findAll(
builder -> builder
.andIsNotNull(Employee.Fields.name)
.andEquals(Employee.Fields.name, "Tom")
.andLike(Employee.Fields.name, "To%")
.andStartsWith(Employee.Fields.name, "To")
.andEndsWith(Employee.Fields.name, "om")
.andLessThan(Employee.Fields.age, 50)
.andGreaterThanEqual(Employee.Fields.age, 0)
.andIn(Employee.Fields.name, List.of("Tom", "Mike"))
.andBetween(Employee.Fields.age, 0, 50)
.build()
)
);
log.debug(
"Results: {}",
employeeRepository.findAll(
(root, query, builder) ->
builder.and(
builder.isNotNull(root.get(Employee_.name)),
builder.equal(root.get(Employee_.name), "Tom"),
builder.like(root.get(Employee_.name), "To%"),
builder.lessThan(root.get(Employee_.age), 50),
builder.greaterThanOrEqualTo(root.get(Employee_.age), 0),
builder.in(root.get(Employee_.NAME)).value(List.of("Tom", "Mike")),
builder.between(root.get(Employee_.age), 0, 50),
builder.isNotEmpty(root.get(Employee_.company).get(Company_.employees)),
builder.notEqual(root.get(Employee_.company).get(Company_.name), "Apple")
)
)
);
log.debug(
"Results: {}",
employeeRepository.findAll(
QEmployee.employee.name.isNotNull()
.and(QEmployee.employee.name.eq("Tom"))
.and(QEmployee.employee.name.like("To%"))
.and(QEmployee.employee.name.startsWith("To"))
.and(QEmployee.employee.name.endsWith("om"))
.and(QEmployee.employee.age.lt(50))
.and(QEmployee.employee.age.goe(0))
.and(QEmployee.employee.name.in("Tom", "Mike"))
.and(QEmployee.employee.age.between(0, 50))
.and(QEmployee.employee.company().employees.isNotEmpty())
.and(QEmployee.employee.company().employees.any().name.ne("Tom"))
)
);
log.debug(
"Results: {}",
employeeRepository.findAll(
(root, query, builder) -> {
var reportRoot = query.from(Report.class);
return builder.and(
builder.equal(root.get(Employee_.id), reportRoot.get(Report_.employeeId)),
builder.equal(reportRoot.get(Report_.level), Report.Level.A)
);
}
)
);
System.exit(0);
}
private HttpHeaders headers() {
var headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);

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@@ -0,0 +1,107 @@
package com.lanyuanxiaoyao.service.template.controller;
import com.lanyuanxiaoyao.service.template.entity.Report;
import com.lanyuanxiaoyao.service.template.service.EmployeeService;
import com.lanyuanxiaoyao.service.template.service.ReportService;
import java.time.LocalDateTime;
import java.util.function.Function;
import lombok.AllArgsConstructor;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import lombok.ToString;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
@RequestMapping("report")
public class ReportController extends SimpleControllerSupport<Report, ReportController.SaveItem, ReportController.ListItem, ReportController.DetailItem> {
private final EmployeeService employeeService;
public ReportController(ReportService service, EmployeeService employeeService) {
super(service);
this.employeeService = employeeService;
}
@Override
protected Function<SaveItem, Report> saveItemMapper() {
return item -> {
var report = new Report();
report.setId(item.getId());
report.setScore(item.getScore());
report.setLevel(item.getLevel());
report.setEmployeeId(item.getEmployeeId());
return report;
};
}
@Override
protected Function<Report, ListItem> listItemMapper() {
return report -> {
var employee = employeeService.detailOrThrow(report.getEmployeeId());
return new ListItem(
report.getId(),
employee.getId(),
employee.getName(),
report.getScore(),
report.getLevel()
);
};
}
@Override
protected Function<Report, DetailItem> detailItemMapper() {
return report -> {
var employee = employeeService.detailOrThrow(report.getEmployeeId());
return new DetailItem(
report.getId(),
employee.getId(),
employee.getName(),
report.getScore(),
report.getLevel(),
report.getCreatedTime(),
report.getModifiedTime()
);
};
}
@Setter
@Getter
@ToString
@AllArgsConstructor
@NoArgsConstructor
public static class SaveItem {
private Long id;
private Double score;
private Report.Level level;
private Long employeeId;
}
@Setter
@Getter
@ToString
@AllArgsConstructor
@NoArgsConstructor
public static class ListItem {
private Long id;
private Long employeeId;
private String employeeName;
private Double score;
private Report.Level level;
}
@Setter
@Getter
@ToString
@AllArgsConstructor
@NoArgsConstructor
public static class DetailItem {
private Long id;
private Long employeeId;
private String employeeName;
private Double score;
private Report.Level level;
private LocalDateTime createdTime;
private LocalDateTime modifiedTime;
}
}

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@@ -0,0 +1,40 @@
package com.lanyuanxiaoyao.service.template.entity;
import jakarta.persistence.Column;
import jakarta.persistence.Entity;
import jakarta.persistence.EntityListeners;
import jakarta.persistence.EnumType;
import jakarta.persistence.Enumerated;
import lombok.Getter;
import lombok.Setter;
import lombok.ToString;
import lombok.experimental.FieldNameConstants;
import org.hibernate.annotations.Comment;
import org.hibernate.annotations.DynamicUpdate;
import org.springframework.data.jpa.domain.support.AuditingEntityListener;
@Setter
@Getter
@ToString(callSuper = true)
@FieldNameConstants
@Entity
@DynamicUpdate
@EntityListeners(AuditingEntityListener.class)
@Comment("报告")
public class Report extends SimpleEntity {
@Column(nullable = false)
@Comment("分数")
private Double score = 0.0;
@Column(nullable = false)
@Enumerated(EnumType.STRING)
@Comment("等级")
private Level level;
@Column(nullable = false)
@Comment("员工id")
private Long employeeId;
public enum Level {
A, B, C, D, E
}
}

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@@ -0,0 +1,8 @@
package com.lanyuanxiaoyao.service.template.repository;
import com.lanyuanxiaoyao.service.template.entity.Report;
import org.springframework.stereotype.Repository;
@Repository
public interface ReportRepository extends SimpleRepository<Report, Long> {
}

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@@ -0,0 +1,12 @@
package com.lanyuanxiaoyao.service.template.service;
import com.lanyuanxiaoyao.service.template.entity.Report;
import com.lanyuanxiaoyao.service.template.repository.ReportRepository;
import org.springframework.stereotype.Service;
@Service
public class ReportService extends SimpleServiceSupport<Report> {
public ReportService(ReportRepository repository) {
super(repository);
}
}