分类:
.net core
使用modelBuilder.Entity<Type>().HasKey指定多个字段即可
protected override void OnModelCreating(ModelBuilder modelBuilder) { modelBuilder.Entity<Course>().ToTable("Course"); modelBuilder.Entity<Enrollment>().ToTable("Enrollment"); modelBuilder.Entity<Student>().ToTable("Student"); modelBuilder.Entity<Department>().ToTable("Department"); modelBuilder.Entity<Instructor>().ToTable("Instructor"); modelBuilder.Entity<OfficeAssignment>().ToTable("OfficeAssignment"); modelBuilder.Entity<CourseAssignment>().ToTable("CourseAssignment"); //组合主键 modelBuilder.Entity<CourseAssignment>() .HasKey(c => new { c.CourseID, c.InstructorID }); }
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