tesdd

teachers55.rb

@@ -0,0 +1,40 @@
+require 'csv'
+require 'nkf'
+
+csv_title = ["id", "用户名称", "用户电话","最后登录时间", "用户部门", "所属高校","课程数量", "高校省份", "高校城市", "高校地址", "实训总数"]
+
+school_ids = School.select(:id, :province).where(province: ["安徽","江苏"]).pluck(:id)
+
+user_items = []
+an_items = []
+j_items = []
+users = UserExtension.where(school_id: school_ids, identity: :teacher).includes(:user,:department, school: :courses)
+
+users.each_with_index do |u, index|
+  user = u.user 
+  school = u.school
+  course_count = school.courses.size
+
+  shixun = SchoolReport.select(:school_id, :shixun_evaluate_count).find_by(school_id: u.school_id).try(:shixun_evaluate_count)
+  item = [index+1, user.try(:show_real_name), user.try(:phone), user.try(:last_login_on), u&.department.try(:name),
+    school.try(:name),course_count, school.try(:province), school.try(:city), school.try(:address), shixun]
+    if u.school.try(:province) == "安徽"
+      an_items.push(item)
+    else 
+      j_items.push(item)
+    end
+end
+
+user_items = an_items + j_items
+
+csv_string = CSV.generate(headers: true) do |csv|
+  csv << csv_title  
+  user_items.each do |i|
+    csv << i
+  end
+  
+end
+
+fh = File.new("public/teachers.csv", "wb")
+fh.puts NKF.nkf("-wL",csv_string)
+fh.close