增加journal的json文件

app/views/journals/_journal_item.json.jbuilder

@@ -0,0 +1,16 @@
+json.id journal.id
+json.user_name journal.user.try(:show_real_name)
+json.user_login journal.user.try(:login)
+json.user_picture url_to_avatar(journal.user)
+json.is_journal_detail journal.is_journal_detail?  #判断是否修改了参数而添加的回复内容
+json.content journal.try(:notes)
+json.children_journals children_content(journal.id)
+json.journal_details journal.journal_content
+json.format_time format_time(journal.created_on)
+json.created_at time_from_now(journal.created_on)
+
+json.attachments do
+  json.array! journal.attachments do |attachment|
+    json.partial! "attachments/attachment_simple", locals: {attachment: attachment}
+  end
+end

app/views/journals/edit.json.jbuilder

@@ -0,0 +1,2 @@
+json.extract! @journal, :id,:notes
+json.issue_id @journal.journalized_id

app/views/journals/index.json.jbuilder

@@ -0,0 +1,8 @@
+json.partial! "commons/success"
+json.limit @limit
+json.journals_count @journals_size
+json.issue_journals do
+  json.array! @journals do |journal|
+    json.partial! "journals/journal_item", journal: journal
+  end
+end