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?这个号在程序的用处

Discussion in '后端开发' started by streamlet, Oct 22, 2005.

  1. streamlet

    streamlet New Member

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    <a href=user/index.asp?id=<%=rs_shp("shjiaid")%> >


    代码里的"?"这个问号是什么作用,经常在程序里见到,搞不懂.
     
  2. wm_chief

    wm_chief New Member

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  3. 老林

    老林 New Member

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    跟楼上一样
     
  4. Tameway

    Tameway New Member

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    同上 ,?有时还代表一个未知的字符
     
  5. jcking

    jcking Well-Known Member

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