init project

app/imports/admins/import_course_member_excel.rb

@@ -0,0 +1,20 @@
+class Admins::ImportCourseMemberExcel < BaseImportXlsx
+  Data = Struct.new(:student_id, :name, :course_id, :role, :course_group_name, :school_id)
+
+  def read_each(&block)
+    sheet.each_row_streaming(pad_cells: true, offset: 1) do |row|
+      data = row.map(&method(:cell_value))[0..5]
+      block.call Data.new(*data)
+    end
+  end
+
+  private
+
+  def check_sheet_valid!
+    raise_import_error('请按照模板格式导入') if sheet.row(1).size != 6
+  end
+
+  def cell_value(obj)
+    obj&.cell_value&.to_s&.strip
+  end
+end

app/imports/admins/import_discipline_excel.rb

@@ -0,0 +1,16 @@
+class Admins::ImportDisciplineExcel < BaseImportXlsx
+  DisciplineData = Struct.new(:discipline_name, :sub_discipline_name)
+
+  def read_each(&block)
+    sheet.each_row_streaming(pad_cells: true, offset: 2) do |row|
+      data = row.map(&method(:cell_value))[1..2]
+      block.call DisciplineData.new(*data)
+    end
+  end
+
+  private
+
+  def cell_value(obj)
+    obj&.cell_value
+  end
+end

app/imports/admins/import_user_excel.rb

@@ -0,0 +1,33 @@
+class Admins::ImportUserExcel < BaseImportXlsx
+  UserData = Struct.new(:student_id, :name, :department_name, :identity, :technical_title, :phone)
+
+  def read_each(&block)
+    sheet.each_row_streaming(pad_cells: true, offset: 3) do |row|
+      data = row.map(&method(:cell_value))[0..5]
+      block.call UserData.new(*data)
+    end
+  end
+
+  def school
+    @school ||= begin
+      school_id = sheet.cell(1, 1).to_s.strip
+      school_name = sheet.cell(1, 2).to_s.strip
+
+      School.find_by(id: school_id, name: school_name)
+    end
+  end
+
+  def identifier
+    @_identifier ||= sheet.cell(2, 1).to_s.strip
+  end
+
+  private
+
+  def check_sheet_valid!
+    raise_import_error('请按照模板格式导入') if school.blank?
+  end
+
+  def cell_value(obj)
+    obj&.cell_value
+  end
+end