通过 kindeditor_tag f.kindeditor生产的编辑框可以自动长高缩短

lib/rails_kindeditor/lib/rails_kindeditor/helper.rb

@@ -7,7 +7,9 @@ module RailsKindeditor
       input_html = input_html.merge(style: 'display:none')
       output = ActiveSupport::SafeBuffer.new
       output << text_area_tag(name, content, input_html)
-      output << javascript_tag(js_replace(id, options.merge(window_onload: 'true')))
+      output << javascript_tag(js_replace(id, options.merge(window_onload: 'true',
+                                                            :autoHeightMode=>true,
+                                                            afterCreate: 'eval(function(){enablePasteImg(self);this.loadPlugin("autoheight")})')))
     end
     
     def kindeditor(name, method, options = {})