褰揂jax閬亣GBK缂栫爜 (瀹屽叏瑙ｅ喅鏂规)

褰揂jax閬亣GBK缂栫爜 (瀹屽叏瑙ｅ喅鏂规)

 

[鍘熸枃:  http://www.imxylz.info/wiki/Java/AjaxGBK ]

鏃╄捣鐨勫浗鍐呬簰鑱旂綉閮戒娇鐢℅BK缂栫爜锛屼箙涔嬶紝鎵�鏈夐」鐩兘浠BK鏉ョ紪鐮佷簡銆傚浜嶫2EE椤圭洰锛屼负浜嗗噺灏戠紪鐮佺殑骞叉壈閫氬父閮芥槸璁剧疆涓�涓紪鐮佺殑Filter锛屽己鍒跺皢Request/Response缂栫爜鏀逛负GBK銆備緥濡備竴涓猄pring鐨勫父瑙侀厤缃涓嬶細

 

<filter>
    <filter-name>encodingFilter</filter-name>
    <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
    <init-param>
        <param-name>encoding</param-name>
        <param-value>GBK</param-value>
    </init-param>
    <init-param>
        <param-name>forceEncoding</param-name>
        <param-value>true</param-value>
    </init-param>
</filter>

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• GBK缂栫爜涓媕Query Ajax涓枃涔辩爜缁堟瀬鏆村姏瑙ｅ喅鏂规
• 鍏充簬AJAX-gbk(gb2312)涓枃涔辩爜鐨勮В鍐虫柟妗�
• Ajax 涓璛mlHttp 涔辩爜 鐨勮В鍐虫柟娉� (UTF8,GB2312 缂栫爜 瑙ｇ爜)

杩欐牱鐨勬枃绔犲緢澶氾紝鏄剧劧锛�

• 浣跨敤VB杩涜UTF-8杞崲鎴怗BK鎻愪氦鏄畬鍏ㄤ笉鍙锛堝娴忚鍣ㄣ�佸骞冲彴瀹屽叏涓嶅彲鐢級
• 浣跨敤澶嶆潅鐨刯s鍑芥暟杩涜涓�娆°�佸娆＄紪鐮侊紝鍚庣杩涜涓�娆°�佸娆¤В鐮佷篃鏄笉闈犺氨鐨勶紝鎴愭湰澶珮锛屾棤娉曢噸澶嶄娇鐢�

濡傛灉鎻愪氦鏁版嵁鐨勬椂鍊欒兘澶熷憡璇夊悗绔紶杈撶殑缂栫爜淇℃伅鏄惁灏卞彲浠ラ伩鍏嶈繖绉嶉棶棰橈紵姣斿Ajax璇锋眰鍛婅瘔鍚庣鏄疷TF-8锛屽叾瀹冭姹傚憡璇夊悗绔槸GBK锛岃繖鏍峰悗绔垎鍒牴鎹寚瀹氱殑缂栫爜杩涜瑙ｇ爜鏄笉鏄氨瑙ｅ喅闂浜嗐��

鏈変袱涓棶棰橈細

1. 濡備綍閫氳繃Ajax鍛婅瘔鍚庣鐨勭紪鐮侊紵Header杩囦簬澶嶆潅锛孋ookie鎴愭湰澶珮锛屼娇鐢ㄥ弬鏁版渶鏂逛究銆�
2. 鍚庣浣曟椂杩涜瑙ｇ爜锛熸瘡涓�涓姹傝繘琛岃В鐮侊紝杩囦簬绻佺悙锛涜幏鍙栧弬鏁版椂瑙ｇ爜锛屾鏃跺凡缁忎贡鐮侊紱鍦‵ilter閲岄潰鍔ㄦ�佽缃紪鐮佹槸鏈�瀹屽杽鐨勬柟妗堛��
3. 濡備綍浠庡弬鏁颁腑鑾峰彇缂栫爜锛熷鏋滄槸POST鐨刡ody鏄剧劧鏃犳硶鑾峰彇锛屽洜姝ゅ湪鑾峰彇涔嬪墠鎵�鏈夊弬鏁板氨宸茬粡鎸夌収鏌愮缂栫爜瑙ｇ爜杩囦簡锛屾棤娉曡繕鍘熴�傛墍浠ラ�氳繃URL浼犻�掔紪鐮佹渶鏈夋晥銆傛敮鎸丟ET/POST锛屽悓鏃舵垚鏈緢浣庛��

瑙ｅ喅浜嗕笂杩伴棶棰橈紝鏉ョ湅鍏蜂綋瀹炵幇鏂规銆� 鍒椾竴娈礘ava浠ｇ爜锛�

import java.io.IOException;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.util.ClassUtils;
import org.springframework.web.filter.OncePerRequestFilter;

/** 鑷畾涔夌紪鐮佽繃婊ゅ櫒
 * @author imxylz (imxylz#gmail.com)
 * @sine 2011-6-9
 */
public class MutilCharacterEncodingFilter extends OncePerRequestFilter {

    static final Pattern inputPattern = Pattern.compile(".*_input_encode=([\\w-]+).*");

    static final Pattern outputPattern = Pattern.compile(".*_output_encode=([\\w-]+).*");

    // Determine whether the Servlet 2.4 HttpServletResponse.setCharacterEncoding(String)
    // method is available, for use in the "doFilterInternal" implementation.
    private final static boolean responseSetCharacterEncodingAvailable = ClassUtils.hasMethod(HttpServletResponse.class,
          "setCharacterEncoding", new Class[] { String.class });

    private String encoding;

    private boolean forceEncoding = false;

    @Override
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain)
 throws ServletException, IOException {
        String url = request.getQueryString();
        Matcher m = null;
        if (url != null && (m = inputPattern.matcher(url)).matches()) {//杈撳叆缂栫爜
            String inputEncoding = m.group(1);
            request.setCharacterEncoding(inputEncoding);
            m = outputPattern.matcher(url);
            if (m.matches()) {//杈撳嚭缂栫爜
                response.setCharacterEncoding(m.group(1));
            } else {
                if (this.forceEncoding && responseSetCharacterEncodingAvailable) {
                    response.setCharacterEncoding(this.encoding);
                }
            }
        } else {
            if (this.encoding != null && (this.forceEncoding || request.getCharacterEncoding() == null)) {
                request.setCharacterEncoding(this.encoding);
                if (this.forceEncoding && responseSetCharacterEncodingAvailable) {
                    response.setCharacterEncoding(this.encoding);
                }
            }
        }
        filterChain.doFilter(request, response);
    }

    public void setEncoding(String encoding) {
        this.encoding = encoding;
    }

    public void setForceEncoding(boolean forceEncoding) {
        this.forceEncoding = forceEncoding;
    }
}

瑙ｉ噴涓嬶細

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• 濡傛灉鎯宠緭鍑虹殑缂栫爜涔熸槸UTF-8锛屾瘮濡傛墜鏈虹璇锋眰銆佽法绔欒姹傜瓑锛屽垯闇�瑕乁RL鍦板潃鍙傛暟_input_encode=UTF-8&_output_encode=UTF-8銆�
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• 鏄剧劧锛岃繖绉嶇粓鏋佽В鍐虫柟妗堬紝鍦ㄤ换浣曠紪鐮佷腑閮藉彲浠ヨВ鍐筹紝GBK/UTF-8/ISO8859-1绛夌紪鐮佷换浣曠粍鍚堥兘鍙互瀹炵幇銆�
  
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