re.sub版本clly - V2EX
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c

re.sub版本clly

  •  
  •   c Dec 27, 2010 6073 views
    This topic created in 5615 days ago, the information mentioned may be changed or developed.
    7 replies    1970-01-01 08:00:00 +08:00
    c
        1
    c  
    OP
       Dec 27, 2010
    其实可以做到更高级,用urlfetch去获取文件类型,然后转化为对应的链接。
    evenkevin
        2
    evenkevin  
       Dec 27, 2010
    不错。sub用在这里挺合适的
    lamengao
        3
    lamengao  
       Dec 27, 2010
    其实解决cl.ly链接文件类型的问题在前端可以很轻松地处理。
    监听image的onerror事件,当onerror被触发时就可以肯定不是图片,然后在事件处理程序中把图片直接显示为链接。
    c
        4
    c  
    OP
       Dec 27, 2010
    @lamengao 在手机客户端上可能不支持JS哪。在后台处理下,一劳永逸。用js,每次都要处理一下 :)
    lamengao
        5
    lamengao  
       Dec 28, 2010
    @c 后端该怎么处理就怎么处理,代码不用变。只不过在前端加一个js函数来解决图片加载失败的情况.
    当然,使用这个小trick都是因为不能很方便地判断cl.ly的文件类型。
    Mrxx
        6
    Mrxx  
       Dec 28, 2010
    @c sa3相册还会开发么?我给 c [at]sa3.org发邮件了,但一直没回复
    c
        7
    c  
    OP
       Dec 28, 2010
    @Mrxx 开发啊,没有收到邮件。悲剧,重新发一次?
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