用visual studio 写了一个留言板的程序,数据库用的是sql2005,在留言板中输入<>时,数据库中存入的是<和>,这是sql2005自带的功能么,为什么要这样?别的数据库也是这样么,如果所有的数据库都有这种功能,为什么还会有下面这样的过滤程序??function changechr(str)
changechr=replace(replace(replace(replace(str,"<","<"),">",">"),chr(13),"<br>")," "," ")
changechr=replace(replace(replace(replace(changechr,"[sayyes]","<img src="),"","<b>"),"[red]","<font color=CC0000>"),"[big]","<font size=7>")
changechr=replace(replace(replace(replace(changechr,"[/sayyes]","></img>"),"","</b>"),"[/red]","</font>"),"[/big]","</font>") end function
changechr=replace(replace(replace(replace(str,"<","<"),">",">"),chr(13),"<br>")," "," ")
changechr=replace(replace(replace(replace(changechr,"[sayyes]","<img src="),"","<b>"),"[red]","<font color=CC0000>"),"[big]","<font size=7>")
changechr=replace(replace(replace(replace(changechr,"[/sayyes]","></img>"),"","</b>"),"[/red]","</font>"),"[/big]","</font>") end function
html?