ASP.NET中g(shù)b2312/big5實時轉(zhuǎn)換的方法

2010-08-28 10:50:35來源:西部e網(wǎng)作者:

以前解決gb2312/big5實時轉(zhuǎn)換的做法一般是修改Response.ContentEncoding

string switchLanguage(String strLanguage){
 if(strLanguage.StartsWith("zh-cn")){
  Response.ContentEncoding=Encoding.GetEncoding(936);
  return "gb2312";
 }
 if(strLanguage.StartsWith("zh")){
  Response.ContentEncoding=Encoding.GetEncoding(950);
  return "big5";
 }
 Response.ContentEncoding=Encoding.GetEncoding(1252);
 return "iso-8859-1";
}

范例:
 switchLanguage(Request.UserLanguages[0]);
 
但有些GB2312簡體字沒有對應(yīng)的Big5,所以需要先轉(zhuǎn)換成繁體的Gb2312,再進(jìn)行轉(zhuǎn)換
如:“秋水無恨”的無,“中國”的國,就會顯示“秋水?恨”和“中?”
等需要先轉(zhuǎn)化為“秋水無恨”和“中國”,再轉(zhuǎn)化為Big5。

而filter正好幫助我們實現(xiàn)實時切換,主要源代碼如下(_sGB和_tGB是GB2312簡繁體對應(yīng)的庫)。

      public override void Write(byte[] buffer, int offset, int count)
      {
         Encoding e=Encoding.GetEncoding(936);
         string str=e.GetString(buffer,offset,count);
         for(int i=0;i<str.Length;i++){
          int j=_sGB.IndexOf(str[i]);
          if(j!=-1)str=str.Replace(_sGB[j],_tGB[j]);
         }
         e=Encoding.GetEncoding(System.Web.HttpContext.Current.Response.Charset);
         _sink.Write(e.GetBytes(str), 0, e.GetByteCount(str));
       
      }
 

范例:

<%@ Page Language="C#" %>
<script runat=server>
protected void Page_Load(Object sender, EventArgs ev) 
{

 Response.ContentEncoding=Encoding.GetEncoding(936);
 if(Request["e"]!=null){
  Response.Filter = new qswhFilter.g2bFilter(Response.Filter);
  if(Request["e"]=="1")Response.Charset="big5";
 }
 userName.Text="秋水無恨(qiushuiwuhen)";
}
</script>
<asp:hyperlink runat=server NavigateUrl="g2bFilter.aspx" Text="Gb2312簡體" />
<asp:hyperlink runat=server NavigateUrl="g2bFilter.aspx?e=0" Text="Gb2312繁體" />
<asp:hyperlink runat=server NavigateUrl="g2bFilter.aspx?e=1" Text="Big5繁體" />
hi,你好,我是<asp:label runat=server id=userName/>,歡迎來到<%="csdn中國程序員大本營"%>。

ps.如果web.config中有
 <globalization requestEncoding="gb2312" responseEncoding="gb2312" fileEncoding="gb2312"/>
可省略
 Response.ContentEncoding=Encoding.GetEncoding(936);

cs 源代碼:

using System;
using System.Text;
using System.IO;

namespace qswhFilter
{

   public class g2bFilter : Stream
   // This filter changes all characters passed through it to uppercase.
   {
      private Stream _sink;
      private long _position;
   private const string _sGB=@"皚藹礙愛襖奧壩罷擺敗頒辦絆幫綁鎊謗剝飽寶報鮑輩貝鋇狽備憊繃筆畢斃幣閉邊編貶變辯辮標(biāo)鱉別癟瀕濱賓擯餅并撥缽鉑駁卜補(bǔ)財參蠶殘慚慘燦蒼艙倉滄廁側(cè)冊測層詫攙摻蟬饞讒纏鏟產(chǎn)闡顫場嘗長償腸廠暢鈔車徹塵陳襯撐稱懲誠騁癡遲馳恥齒熾沖蟲寵疇躊籌綢丑櫥廚鋤雛礎(chǔ)儲觸處傳瘡闖創(chuàng)錘純綽辭詞賜聰蔥囪從叢湊躥竄錯達(dá)帶貸擔(dān)單鄲撣膽憚?wù)Q彈當(dāng)擋黨蕩檔搗島禱導(dǎo)盜燈鄧敵滌遞締顛點墊電淀釣調(diào)諜疊釘頂錠訂丟東動棟凍斗犢獨(dú)讀賭鍍鍛斷緞兌隊對噸頓鈍奪墮鵝額訛惡餓兒爾餌貳發(fā)罰閥琺礬釩煩范販飯訪紡飛誹廢費(fèi)紛墳奮憤糞豐楓鋒風(fēng)瘋馮縫諷鳳膚輻撫輔賦復(fù)負(fù)訃婦縛該鈣蓋干趕稈贛岡剛鋼綱崗鎬擱鴿閣鉻個給龔宮鞏貢鉤溝構(gòu)購夠蠱顧剮掛關(guān)觀館慣貫廣規(guī)硅歸龜閨軌詭柜貴劊輥滾鍋國過駭韓漢號閡鶴賀橫轟鴻紅后壺護(hù)滬戶嘩華畫劃話懷壞歡環(huán)還緩換喚瘓煥渙黃謊揮輝毀賄穢會燴匯諱誨繪葷渾伙獲貨禍擊機(jī)積饑跡譏雞績緝極輯級擠幾薊劑濟(jì)計記際繼紀(jì)夾莢頰賈鉀價駕殲監(jiān)堅箋間艱緘繭檢堿鹼揀撿簡儉減薦檻鑒踐賤見鍵艦劍餞漸濺澗將漿蔣槳獎講醬膠澆驕嬌攪鉸矯僥腳餃繳絞轎較階節(jié)杰潔結(jié)誡屆緊錦僅謹(jǐn)進(jìn)晉燼盡勁荊莖鯨驚經(jīng)頸靜鏡徑痙競凈糾廄舊駒舉據(jù)鋸懼劇鵑絹覺決訣絕鈞軍駿開凱顆殼課墾懇摳庫褲夸塊儈寬礦曠況虧巋窺饋潰擴(kuò)闊蠟臘萊來賴藍(lán)欄攔籃闌蘭瀾讕攬覽懶纜爛濫撈勞澇樂鐳壘類淚籬離里鯉禮麗厲勵礫歷瀝隸倆聯(lián)蓮連鐮?wèi)z漣簾斂臉鏈戀煉練糧涼兩輛諒療遼鐐獵臨鄰鱗凜賃齡鈴凌靈嶺領(lǐng)餾劉龍聾嚨籠壟攏隴樓婁摟簍蘆盧顱廬爐"
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          +"札軋鍘閘柵詐齋債氈盞斬輾嶄棧戰(zhàn)綻張漲帳賬脹趙蟄轍鍺這貞針偵診鎮(zhèn)陣掙睜猙爭幀鄭證織職執(zhí)紙摯擲幟質(zhì)滯鐘終種腫眾謅軸皺晝驟豬諸誅燭矚囑貯鑄筑駐專磚轉(zhuǎn)賺樁莊裝妝壯狀錐贅墜綴諄著濁茲資漬蹤綜總縱鄒詛組鉆亙羋嗇厙厴靨贗匭匱賾剄劌剴傴倀傖佇儕儂儔儼儷俁僨傯僂儻儐儺僉糴黌囅鳧兗袞褻臠稟冢訐訌訕謳詎訥詁訶詆詔詒誆誄詿詰詼詵詬詮諍諢詡誚誥誑誒諏諑諉諛諗諂誶諶諫謔謁諤諭諼諳諦諮諞謨讜謖謚謐謫谫譖譙譎讞譫讖巹陘隉鄺鄔鄴郟鄶鄆酈芻奐勱巰堊壙壢壚埡塏塒堝塤薌藶莧萇蓯苧蘢蔦塋煢蕘蓽?zhǔn)w薈薺犖滎藎蓀葒蒔萵蒞蕕鶯縈蕆蕢蔞驀蘺蕷蘞藺蘄藪蘚奩尷捫摶撟摑摜撳攄攖擷擼攛嘰嘸囈嚦唄嚀噠嘵嗶噦噲嚌噥嘜嘮嗩嘖囀嘍嚳囁噯轡嚶嚕圇幃幬幘幗嶇峴嵐嶧嶠崢嶗崍嶸崳嶁巔徠獷獪猻獫玀獼餳飩餼飪飫飭飴餉餑馀餛餿饃饈饉饌廡賡廩懺憮慪愾悵愴懌慟懨惻愷惲慳愜慍憒懔閂閆闈閎閔閌闥閭閫鬮閬閾閶閿閽閼闃闋闔闐闕闞灃溈瀧瀘濼涇浹湞澮瀏滸潯淶潿瀆澠瀋淥溆滟灄瀅潷瀠瀟瀲潴瀨灝騫邇逕邐屨弳嫵嫗媯姍婭嬈孌媧嫻嬋媼嬡嬪嬙嬤駔駟駙騶驛駑駘驍驊駢驪騏騍騅驂騭騖驁騮騸驃驄驏驥驤紆紂紇紈纊紜紕紓紺紲紱縐紼絀絎絳綆綃綈綾綺緋緄綞綬綹綣綰緇緙緗緹緲繢緦緶緱縋緡縉縝縟縞縭縊縑繽縹縵縲繆繅纈繚繒繾繰繯纘璣瑋玨瓏頊璽琿璉璦瓔璇瓚韙韞韜榪櫪棖樅梟櫛櫳櫨梔櫟檉椏橈楨榿樺檜欒欞櫝槧欏槨欖櫬櫚櫸檳櫧檣橥櫓櫞檐檁歿殤殞殮殫殯軔軛軻轤軹軼軫轢軺軾輊輇輅輒輦輞輟輜輳轆轔戔戧戩甌曇曄暉曖賁貰貺貽贄"
          +"貲賅贐賑賚賕賧賻覘覬覡覿覦覯覲覷毿氌氬氳牘朧臚脛膾腡腌膃臏歟颮颯颶颼飆轂齏斕煬煒燉燁燜燾禰禎禪懟愨愍懣戇沓澩磯碭硨礪礱硤磽磧磣龕睞瞼畬羆羈釓釔釙釗釕釷釧釤鍆釵釹鈦鈑鈐鈁鈧鈄鈥鈀鈺鉦鈷鈳鈽鈸鉞鉬鉭鈿鑠鈰鉉鉈鉍鈮鈹鐸銬銠鉺銪鋮鋏鐃鐺銦鎧銖鋌銩鏵銓鉿鎩銚錚銫銃鐋銨銣鐒錸鋱鏗鋰鋯鋨銼鋝鋃鋟鋦錒錆錛錁錕錮錈錟錙鍥鍇鍶鍔鍤鎪鍰鏤鏘鏌鎘鐫鎦鎰鎵鑌鏢鏜鏝鏍鏞鏃鏇鏑鐔鏷鐓鑭鐠鏹鐙鑊鐲鐿鑣鍾穡鳩鳶鴇鴆鴣鶇鸕鴝鴟鷥鴯鷙鴰鵂鸞鵓鸝鵠鵒鷴鵜鵡鵪鵯鶉鶘鶚鷂鶼鸚鷓鷚鷯鷦鷲鷸鷺鸛癤癘癆癇癉瘞癭癮癩癲竇窶襠褳襝裥褸襤襁皸耬聹聵頇頎頏頡頜頦頷顎顓顳顢顙顥顰虬蟣蠆蜆蠔蠣蟶蛺蟯螄蠐蟈蠑螻罌篤筧籩篳箏簀篋籜簞簫簣籪籟艤艫裊羥糝縶麩趲釅釃鹺躉蹌跖躒蹺蹕躚躋躓躑躡蹣躕躪躦觴觶靚靂霽靄齔齟齙齠齜齦齬齪齷黽黿鼉雋讎鑾鏨魷魴鲅鱸穌鮒鱟鮐鮚鮪鮞鱭鮫鲞鱘鯁鱺鰱鰹鰣鰷鯀鯊鯇鯽鯖鯪鯫鯡鯤鯧鯢鯰鯛鯔鰈鱷鰍鰒鰉鰲鰭鰨鰥鰩鰳鰾鱈鰻鱖鱔鱒鱧韃韉鶻髏髖髕魘魎饗饜鬢黷黲鼴";
      private const string _tGB=@"皚藹礙愛襖奧壩罷擺敗頒辦絆幫綁鎊謗剝飽寶報鮑輩貝鋇狽備憊繃筆畢斃幣閉邊編貶變辯辮標(biāo)鱉別癟瀕濱賓擯餅並撥缽鉑駁蔔補(bǔ)財參蠶殘慚慘燦蒼艙倉滄廁側(cè)冊測層詫攙摻蟬饞讒纏鏟產(chǎn)闡顫場嘗長償腸廠暢鈔車徹塵陳襯撐稱懲誠騁癡遲馳恥齒熾沖蟲寵疇躊籌綢醜櫥廚鋤雛礎(chǔ)儲觸處傳瘡闖創(chuàng)錘純綽辭詞賜聰蔥囪從叢湊躥竄錯達(dá)帶貸擔(dān)單鄲撣膽憚?wù)Q彈當(dāng)擋黨蕩檔搗島禱導(dǎo)盜燈鄧敵滌遞締顛點墊電澱釣調(diào)諜疊釘頂錠訂丟東動棟凍鬥犢獨(dú)讀賭鍍鍛斷緞兌隊對噸頓鈍奪墮鵝額訛惡餓兒爾餌貳發(fā)罰閥琺礬釩煩範(fàn)販飯訪紡飛誹廢費(fèi)紛墳奮憤糞豐楓鋒風(fēng)瘋馮縫諷鳳膚輻撫輔賦複負(fù)訃婦縛該鈣蓋幹趕稈贛岡剛鋼綱崗鎬擱鴿閣鉻個給龔宮鞏貢鉤溝構(gòu)購夠蠱顧剮掛關(guān)觀館慣貫廣規(guī)矽歸龜閨軌詭櫃貴劊輥滾鍋國過駭韓漢號閡鶴賀橫轟鴻紅後壺護(hù)滬戶嘩華畫劃話懷壞歡環(huán)還緩換喚瘓煥渙黃謊揮輝毀賄穢會燴彙諱誨繪葷渾夥獲貨禍擊機(jī)積饑跡譏雞績緝極輯級擠幾薊劑濟(jì)計記際繼紀(jì)夾莢頰賈鉀價駕殲監(jiān)堅箋間艱緘繭檢堿鹼揀撿簡儉減薦檻鑒踐賤見鍵艦劍餞漸濺澗將漿蔣槳獎講醬膠澆驕嬌攪鉸矯僥腳餃繳絞轎較階節(jié)傑潔結(jié)誡屆緊錦僅謹(jǐn)進(jìn)晉燼盡勁荊莖鯨驚經(jīng)頸靜鏡徑痙競淨(jìng)糾廄舊駒舉據(jù)鋸懼劇鵑絹覺決訣絕鈞軍駿開凱顆殼課墾懇摳庫褲誇塊儈寬礦曠況虧巋窺饋潰擴(kuò)闊蠟臘萊來賴藍(lán)欄攔籃闌蘭瀾讕攬覽懶纜爛濫撈勞澇樂鐳壘類淚籬離裏鯉禮麗厲勵礫曆瀝隸倆聯(lián)蓮連鐮?wèi)z漣簾斂臉鏈戀煉練糧涼兩輛諒療遼鐐獵臨鄰鱗凜賃齡鈴淩靈嶺領(lǐng)餾劉龍聾嚨籠壟攏隴樓婁摟簍蘆盧顱廬爐"
             +"擄鹵虜魯賂祿錄陸驢呂鋁侶屢縷慮濾綠巒攣孿灤亂掄輪倫侖淪綸論蘿羅邏鑼籮騾駱絡(luò)媽瑪碼螞馬罵嗎買麥賣邁脈瞞饅蠻滿謾貓錨鉚貿(mào)麼黴沒鎂門悶們錳夢謎彌覓冪綿緬廟滅憫閩鳴銘謬謀畝鈉納難撓腦惱鬧餒內(nèi)擬膩攆撚釀鳥聶齧鑷鎳檸獰甯擰濘鈕紐膿濃農(nóng)瘧諾歐鷗毆嘔漚盤龐拋賠噴鵬騙飄頻貧蘋憑評潑頗撲鋪樸譜棲淒臍齊騎豈啟氣棄訖牽扡鉛遷簽謙錢鉗潛淺譴塹槍嗆牆薔強(qiáng)搶鍬橋喬僑翹竅竊欽親寢輕氫傾頃請慶瓊窮趨區(qū)軀驅(qū)齲顴權(quán)勸卻鵲確讓饒擾繞熱韌認(rèn)紉榮絨軟銳閏潤灑薩鰓賽三傘喪騷掃澀殺紗篩曬刪閃陝贍繕傷賞燒紹賒攝懾設(shè)紳審嬸腎滲聲繩勝聖師獅濕詩屍時蝕實識駛勢適釋飾視試壽獸樞輸書贖屬術(shù)樹豎數(shù)帥雙誰稅順說碩爍絲飼聳慫頌訟誦擻蘇訴肅雖隨綏歲孫損筍縮瑣鎖獺撻態(tài)攤貪癱灘壇譚談歎湯燙濤絛討騰謄銻題體屜條貼鐵廳聽烴銅統(tǒng)頭禿圖塗團(tuán)頹蛻脫鴕馱駝橢窪襪彎灣頑萬網(wǎng)韋違圍為濰維葦偉偽緯謂衛(wèi)溫聞紋穩(wěn)問甕撾蝸渦窩臥嗚鎢烏汙誣無蕪吳塢霧務(wù)誤錫犧襲習(xí)銑戲細(xì)蝦轄峽俠狹廈嚇鮮纖鹹賢銜閑顯險現(xiàn)獻(xiàn)縣餡羨憲線廂鑲鄉(xiāng)詳響項蕭囂銷曉嘯蠍協(xié)挾攜脅諧寫瀉謝鋅釁興洶鏽繡虛噓須許敘緒續(xù)軒懸選癬絢學(xué)勳詢尋馴訓(xùn)訊遜壓鴉鴨啞亞訝閹煙鹽嚴(yán)顏閻豔厭硯彥諺驗鴦楊揚(yáng)瘍陽癢養(yǎng)樣瑤搖堯遙窯謠藥爺頁業(yè)葉醫(yī)銥頤遺儀蟻藝億憶義詣議誼譯異繹蔭陰銀飲隱櫻嬰鷹應(yīng)纓瑩螢營熒蠅贏穎喲擁傭癰踴詠湧優(yōu)憂郵鈾猶誘輿魚漁娛與嶼語籲禦獄譽(yù)預(yù)馭鴛淵轅園員圓緣遠(yuǎn)願約躍鑰嶽粵悅閱雲(yún)鄖勻隕運(yùn)蘊(yùn)醞暈韻雜災(zāi)載攢暫贊贓髒鑿棗責(zé)擇則澤賊贈紮"
             +"劄軋鍘閘柵詐齋債氈盞斬輾嶄棧戰(zhàn)綻張漲帳賬脹趙蟄轍鍺這貞針偵診鎮(zhèn)陣掙睜猙爭幀鄭證織職執(zhí)紙摯擲幟質(zhì)滯鍾終種腫眾謅軸皺晝驟豬諸誅燭矚囑貯鑄築駐專磚轉(zhuǎn)賺樁莊裝妝壯狀錐贅墜綴諄著濁茲資漬蹤綜總縱鄒詛組鑽亙羋嗇厙厴靨贗匭匱賾剄劌剴傴倀傖佇儕儂儔儼儷俁僨傯僂儻儐儺僉糴黌囅鳧兗袞褻臠稟塚訐訌訕謳詎訥詁訶詆詔詒誆誄詿詰詼詵詬詮諍諢詡誚誥誑誒諏諑諉諛諗諂誶諶諫謔謁諤諭諼諳諦諮諞謨讜謖諡謐謫譾譖譙譎讞譫讖巹陘隉鄺鄔鄴郟鄶鄆酈芻奐勱巰堊壙壢壚埡塏塒堝塤薌藶莧萇蓯苧蘢蔦塋煢蕘蓽?zhǔn)w薈薺犖滎藎蓀葒蒔萵蒞蕕鶯縈蕆蕢蔞驀蘺蕷蘞藺蘄藪蘚奩尷捫摶撟摑摜撳攄攖擷擼攛嘰嘸囈嚦唄嚀噠嘵嗶噦噲嚌噥嘜嘮嗩嘖囀嘍嚳囁噯轡嚶嚕圇幃幬幘幗嶇峴嵐嶧嶠崢嶗崍嶸崳嶁巔徠獷獪猻獫玀獼餳飩餼飪飫飭飴餉餑餘餛餿饃饈饉饌廡賡廩懺憮慪愾悵愴懌慟懨惻愷惲慳愜慍憒懍閂閆闈閎閔閌闥閭閫鬮閬閾閶閿閽閼闃闋闔闐闕闞灃溈瀧瀘濼涇浹湞澮瀏滸潯淶潿瀆澠瀋淥漵灩灄瀅潷瀠瀟瀲瀦瀨灝騫邇逕邐屨弳嫵嫗媯姍婭嬈孌媧嫻嬋媼嬡嬪嬙嬤駔駟駙騶驛駑駘驍驊駢驪騏騍騅驂騭騖驁騮騸驃驄驏驥驤紆紂紇紈纊紜紕紓紺絏紱縐紼絀絎絳綆綃綈綾綺緋緄綞綬綹綣綰緇緙緗緹緲繢緦緶緱縋緡縉縝縟縞縭縊縑繽縹縵縲繆繅纈繚繒繾繰繯纘璣瑋玨瓏頊璽琿璉璦瓔璿瓚韙韞韜榪櫪棖樅梟櫛櫳櫨梔櫟檉椏橈楨榿樺檜欒欞櫝槧欏槨欖櫬櫚櫸檳櫧檣櫫櫓櫞簷檁歿殤殞殮殫殯軔軛軻轤軹軼軫轢軺軾輊輇輅輒輦輞輟輜輳轆轔戔戧戩甌曇曄暉曖賁貰貺貽贄"
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      public g2bFilter(Stream sink)
      {
         //System.Web.HttpContext.Current.Response.ContentEncoding=Encoding.GetEncoding(950);
          _sink = sink;
      }

      // The following members of Stream must be overriden.
      public override bool CanRead
      {
         get { return true; }
      }

      public override bool CanSeek
      {
         get { return true; }
      }

      public override bool CanWrite
      {
         get { return true; }
      }

      public override long Length
      {
         get { return 0; }
      }

      public override long Position
      {
         get { return _position; }
         set { _position = value; }
      }

      public override long Seek(long offset, System.IO.SeekOrigin direction)
      {
         return _sink.Seek(offset, direction);
      }

      public override void SetLength(long length)
      {
         _sink.SetLength(length);
      }

      public override void Close()
      {
         _sink.Close();
      }

      public override void Flush()
      {
         _sink.Flush();
      }

      public override int Read(byte[] buffer, int offset, int count)
      {
         return _sink.Read(buffer, offset, count);
      }

      // The Write method actually does the filtering.
      public override void Write(byte[] buffer, int offset, int count)
      {
         Encoding e=Encoding.GetEncoding(936);
         string str=e.GetString(buffer,offset,count);
         for(int i=0;i<str.Length;i++){
          int j=_sGB.IndexOf(str[i]);
          if(j!=-1)str=str.Replace(_sGB[j],_tGB[j]);
         }
         e=Encoding.GetEncoding(System.Web.HttpContext.Current.Response.Charset);
         _sink.Write(e.GetBytes(str), 0, e.GetByteCount(str));
      
      }

   }
}

關(guān)鍵詞:ASP.NET