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2007-02-05

FCKEditor与rails的集成

http://www.blogjava.net/rocky/archive/2006/11/04/rails-fckeditor-integration.html

1.下载fckeditor_plugin-0.3.2.zip，目前版本为0.3.2
2.解压到vendorplugins目录下，并且重新命名为fckeditor
3.到该应用程序根目录下，然后运行rake fckeditor:install，则执行自动安装
4.在自己的view层中添加

以及在你需要编辑的字段textarea替换为

第一个参数为你的domain对象，desc为你的编辑字段值，其他顾名思义
然后运行你的页面程序，发现simple upload有点bug，上传后javascript报错
5.追踪代码发现
vendorplugins ckeditorappcontrollers ckeditor_controller.rb下的

def upload
self.upload_file
end调用了upload_file方法
def upload_file
@new_file = params[:NewFile]
@url = upload_directory_path
begin
ftype = @new_file.content_type.strip
if ! MIME_TYPES.include?(ftype)
@errorNumber = 202
puts "#{ftype} is invalid MIME type"
raise "#{ftype} is invalid MIME type"
else
path = current_directory_path + "/" + @new_file.original_filename
File.open(path,"wb",0664) do |fp|
FileUtils.copy_stream(@new_file, fp)
end
@errorNumber = 0
end
rescue => e
@errorNumber = 110 if @errorNumber.nil?
end

# Fix provided by Nicola Piccinini -- http://superfluo.org
render :text => %Q''
#render :inline => 'page << "window.parent.frames['frmUpload'].OnUploadCompleted(#{@errorNumber}, '#{@new_file}');"', :type => :rjs
end中的
render :text => %Q''在浏览服务器时是正常的，但是在快速上传中不应该返回这个script语句
则修改upload方法
def upload
@new_file = params[:NewFile]
@url = upload_directory_path
begin
ftype = @new_file.content_type.strip
if ! MIME_TYPES.include?(ftype)
@errorNumber = 202
puts "#{ftype} is invalid MIME type"
raise "#{ftype} is invalid MIME type"
else
path = current_directory_path + "/" + @new_file.original_filename
File.open(path,"wb",0664) do |fp|
FileUtils.copy_stream(@new_file, fp)
end
@errorNumber = 0
end
rescue => e
@errorNumber = 110 if @errorNumber.nil?
end

# Fix provided by Nicola Piccinini -- http://superfluo.org
render :text => %Q''
end快速上传问题修复

6.发现文件夹里边如果上传图片过多不好备份，故采用/年/月方式保存
修改代码如下：
def upload
@new_file = params[:NewFile]
@url = upload_directory_path
begin
ftype = @new_file.content_type.strip
if ! MIME_TYPES.include?(ftype)
@errorNumber = 202
puts "#{ftype} is invalid MIME type"
raise "#{ftype} is invalid MIME type"
else
path = date_directory_path + "/" + @new_file.original_filename
File.open(path,"wb",0664) do |fp|
FileUtils.copy_stream(@new_file, fp)
end
@errorNumber = 0
end
rescue => e
@errorNumber = 110 if @errorNumber.nil?
end

# Fix provided by Nicola Piccinini -- http://superfluo.org
render :text => %Q''
end
private
def date_directory_path
base_dir = "#{UPLOADED_ROOT}/#{params[:Type]}/#{Time.now.year}/#{Time.now.month}"
#Dir.mkdir(base_dir,0775) unless File.exists?(base_dir)
FileUtils.mkdir_p base_dir
"#{base_dir}"
end
7.同理可以对其上传文件名称进行随机处理以防重名，就不多说了。
做此笔记，抛砖引玉。

发现rails的plugin机制挺不错的，比较灵活，不过网上介绍plugin的文章真的不是很多