课程成员搜索忽略大小写

app/helpers/courses_helper.rb

@@ -233,10 +233,10 @@ module CoursesHelper
     #searchPeopleByRoles(project, StudentRoles)
     mems = []
     if name != ""
+      name = name.to_s.downcase
      members.each do |m|
-
-        username = m.user[:lastname].to_s + m.user[:firstname].to_s
-        if(m.user[:login].to_s.include?(name) ||  m.user.user_extensions[:student_id].to_s.include?(name) || username.include?(name))
+        username = m.user[:lastname].to_s.downcase + m.user[:firstname].to_s.downcase
+        if(m.user[:login].to_s.downcase.include?(name) ||  m.user.user_extensions[:student_id].to_s.downcase.include?(name) || username.include?(name))
           mems << m
         end
       end