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Repo: public interface CourseRepository extends CrudRepository<Course,Integer>{ Optional<Course> findByName(String name); @Query("Select new com.examp 阅读全文
posted @ 2020-12-20 20:40
Zhentiw
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@Test public void queryByExample() { System.out.println("\nFind the Department with the name 'Humanities' \n" + departmentRepository.findOne(Example.o 阅读全文
posted @ 2020-12-18 04:24
Zhentiw
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package com.example.university.repo; import com.example.university.domain.Staff; import org.springframework.data.domain.Page; import org.springframewo 阅读全文
posted @ 2020-12-18 04:20
Zhentiw
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package com.example.university.repo; import com.example.university.domain.Staff; import com.example.university.domain.Student; import com.example.univ 阅读全文
posted @ 2020-12-18 04:10
Zhentiw
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Entity: package com.example.university.domain; import javax.persistence.*; import java.util.ArrayList; import java.util.List; /** * JPA Entity represe 阅读全文
posted @ 2020-12-18 03:59
Zhentiw
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New broadcaster: compose: export let combine = (broadcaster1, broadcaster2) => listener => { let value1; let value2; let cancel1 = broadcaster1(value 阅读全文
posted @ 2020-12-17 15:49
Zhentiw
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All features of CrudRepository plus: void flush(); saveAndFlush() delteInBatch() delteAllInBatch() package com.example.university.repo; import com.exa 阅读全文
posted @ 2020-12-17 02:36
Zhentiw
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domain/Course.java package com.example.university.domain; import javax.persistence.*; /** * JPA Entity for a Course offered at the University. * <p> * 阅读全文
posted @ 2020-12-17 02:31
Zhentiw
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@OneToMany: One Student To Many Courses. @JoinTable(name = "Enrollment"): Join Enrollment table. joinColumns: with use "student_id" to link Student an 阅读全文
posted @ 2020-12-17 02:14
Zhentiw
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Repo: package com.example.ec.repo; import com.example.ec.domain.TourRating; import com.example.ec.domain.TourRatingPk; import org.springframework.data 阅读全文
posted @ 2020-12-16 03:13
Zhentiw
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