한글 인코딩 문제 해결

String word = keyword;
System.out.println("utf-8 -> euc-kr        : " + new String(word.getBytes("utf-8"), "euc-kr"));
System.out.println("utf-8 -> ksc5601       : " + new String(word.getBytes("utf-8"), "ksc5601"));
System.out.println("utf-8 -> x-windows-949 : " + new String(word.getBytes("utf-8"), "x-windows-949"));
System.out.println("utf-8 -> iso-8859-1    : " + new String(word.getBytes("utf-8"), "iso-8859-1"));
System.out.println("iso-8859-1 -> euc-kr        : " + new String(word.getBytes("iso-8859-1"), "euc-kr"));
System.out.println("iso-8859-1 -> ksc5601       : " + new String(word.getBytes("iso-8859-1"), "ksc5601"));
System.out.println("iso-8859-1 -> x-windows-949 : " + new String(word.getBytes("iso-8859-1"), "x-windows-949"));
System.out.println("iso-8859-1 -> utf-8         : " + new String(word.getBytes("iso-8859-1"), "utf-8"));
System.out.println("euc-kr -> utf-8         : " + new String(word.getBytes("euc-kr"), "utf-8"));
System.out.println("euc-kr -> ksc5601       : " + new String(word.getBytes("euc-kr"), "ksc5601"));
System.out.println("euc-kr -> x-windows-949 : " + new String(word.getBytes("euc-kr"), "x-windows-949"));
System.out.println("euc-kr -> iso-8859-1    : " + new String(word.getBytes("euc-kr"), "iso-8859-1"));
System.out.println("ksc5601 -> euc-kr        : " + new String(word.getBytes("ksc5601"), "euc-kr"));
System.out.println("ksc5601 -> utf-8         : " + new String(word.getBytes("ksc5601"), "utf-8"));
System.out.println("ksc5601 -> x-windows-949 : " + new String(word.getBytes("ksc5601"), "x-windows-949"));
System.out.println("ksc5601 -> iso-8859-1    : " + new String(word.getBytes("ksc5601"), "iso-8859-1"));
System.out.println("x-windows-949 -> euc-kr     : " + new String(word.getBytes("x-windows-949"), "euc-kr"));
System.out.println("x-windows-949 -> utf-8      : " + new String(word.getBytes("x-windows-949"), "utf-8"));
System.out.println("x-windows-949 -> ksc5601    : " + new String(word.getBytes("x-windows-949"), "ksc5601"));
System.out.println("x-windows-949 -> iso-8859-1 : " + new String(word.getBytes("x-windows-949"), "iso-8859-1"));

출처 : http://titis.tistory.com/entry/java-인코딩-변환-한방에-해결


브라우저 별 인코딩 방식 바꾸기


    keyword=keyword.trim();

    String header = request.getHeader("User-Agent");try
    {
        if ((header.indexOf("Chrome") > -1) || (header.indexOf("Firefox") > -1) || (header.indexOf("Safari") > -1)
                || (header.indexOf("Opera") > -1)) {
            keyword = new String(keyword.getBytes("iso-8859-1"), "utf-8");
        } else if (header.indexOf("rv") > -1) {
            keyword = new String(keyword.getBytes("iso-8859-1"), "euc-kr");
        } else {
            keyword = new String(keyword.getBytes("iso-8859-1"), "utf-8");
        }
    }catch(
    UnsupportedEncodingException e)
    {
        e.printStackTrace();
    }