代码如下:
      String sql = "Select * from t_recieve where Sourceid='" + userid +
          "' and state=0 and rownum=1";
      //  System.out.println(sql);
      ResultSet rs1 = stmt.executeQuery(sql);
      if (rs1.absolute(1)) {
        String msgcontent = rs1.getString("Recontent").trim();
        String msgcontent2 = new String(msgcontent.getBytes("GB2312"),
                                        "ISO-8859-1");
        String msgcontent3 = new String(msgcontent.getBytes("ISO-8859-1"),
                                        "GB2312");
        String msgcontent4 = new String(msgcontent2.getBytes("ISO-8859-1"),
                                        "GB2312");
        msgcontent = java.net.URLEncoder.encode(msgcontent);
        System.out.println(msgcontent);
        System.out.println(msgcontent2);
        System.out.println(msgcontent3);
        System.out.println(msgcontent4);显示:%E5%9B%9E%E5%A4%8D%EF%BC%9A%E5%A5%BD%E7%9A%84%E4%BA%86
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?????:好的了