? 上周更新了一下myblog,添加了一個Filter,做統計訪問用。可是后來發現出現亂碼問題了。找了很久都沒有找到問題。debug的時候看到 CharacterEncodingFilter確實是執行了。不過就是沒有效果。執行之前是ISO-8859-1編碼的,執行之后還是, CharacterEncodingFilter就沒有起到作用。后來終于找到問題的原因了。原來是Filter配置先后順序的原因。
?????? 剛開始的配置是這樣的:
????
<
filter-mapping
>
???????? < filter-name > requestCounterFilter </ filter-name >
???????? < url-pattern > *.jhtml </ url-pattern >
???? </ filter-mapping >
??
???? < filter-mapping >
???????? < filter-name > encodingFilter </ filter-name >
???????? < url-pattern > /dwr/* </ url-pattern >
???? </ filter-mapping >
????
???? < filter-mapping >
???????? < filter-name > encodingFilter </ filter-name >
???????? < url-pattern > *.jhtml </ url-pattern >
???? </ filter-mapping >
????
???? < filter-mapping >
???????? < filter-name > encodingFilter </ filter-name >
???????? < url-pattern > *.jsp </ url-pattern >
???? </ filter-mapping >
???????? < filter-name > requestCounterFilter </ filter-name >
???????? < url-pattern > *.jhtml </ url-pattern >
???? </ filter-mapping >
??
???? < filter-mapping >
???????? < filter-name > encodingFilter </ filter-name >
???????? < url-pattern > /dwr/* </ url-pattern >
???? </ filter-mapping >
????
???? < filter-mapping >
???????? < filter-name > encodingFilter </ filter-name >
???????? < url-pattern > *.jhtml </ url-pattern >
???? </ filter-mapping >
????
???? < filter-mapping >
???????? < filter-name > encodingFilter </ filter-name >
???????? < url-pattern > *.jsp </ url-pattern >
???? </ filter-mapping >
? 先經過那個統計的filter然后再經過編碼的filter。這樣的話編碼的filter就不起作用了。只要吧編碼的filter放到最前面就沒有問題了。改成這樣就好。
????
<
filter-mapping
>
???????? < filter-name > encodingFilter </ filter-name >
???????? < url-pattern > /dwr/* </ url-pattern >
???? </ filter-mapping >
????
???? < filter-mapping >
???????? < filter-name > encodingFilter </ filter-name >
???????? < url-pattern > *.jhtml </ url-pattern >
???? </ filter-mapping >
????
???? < filter-mapping >
???????? < filter-name > encodingFilter </ filter-name >
???????? < url-pattern > *.jsp </ url-pattern >
???? </ filter-mapping >
????
???? < filter-mapping >
???????? < filter-name > requestCounterFilter </ filter-name >
???????? < url-pattern > *.jhtml </ url-pattern >
???? </ filter-mapping >
???????? < filter-name > encodingFilter </ filter-name >
???????? < url-pattern > /dwr/* </ url-pattern >
???? </ filter-mapping >
????
???? < filter-mapping >
???????? < filter-name > encodingFilter </ filter-name >
???????? < url-pattern > *.jhtml </ url-pattern >
???? </ filter-mapping >
????
???? < filter-mapping >
???????? < filter-name > encodingFilter </ filter-name >
???????? < url-pattern > *.jsp </ url-pattern >
???? </ filter-mapping >
????
???? < filter-mapping >
???????? < filter-name > requestCounterFilter </ filter-name >
???????? < url-pattern > *.jhtml </ url-pattern >
???? </ filter-mapping >
以后大家一定要注意啊。順序問題也是很重要的。?? 除經特別注明外,本文章版權歸莫多泡泡所有.
署名,非商業用途,保持一致.???somebody(莫多)