如何將布爾代碼更改爲java中的int代碼

我試圖在我的管理面板中更改一些代碼，因爲我的協議中有一些最近的更改。我想要做的是將代碼從布爾值更改爲int。我會說現在我是一個完全新手，在Java中如此裸露。如何將布爾代碼更改爲java中的int代碼

舊協議：公共靜態布爾GMSetDoubleExp（布爾）

這裏是原代碼：

try 
        { 
         String dblexp_on = request.getParameter("dblexp_on"); 
         if(dblexp_on == null){dblexp_on = "false";} 
         if(DeliveryDB.GMSetDoubleEXP(dblexp_on.equals("true"))) 
         { 
          //message += "<font color=\"#00cc00\"><b>Saved Double Experience Points</b></font><br>"; 
         } 
         else 
         { 
          //message += "<font color=\"#ee0000\"><b>Saving Double Experience Points Failed</b></font><br>"; 
          message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
         } 
        }

新的協議：公共靜態布爾GMSetDoubleExp（INT）

這裏是代碼我現在有：

try 
        { 
         int dblexp_on = Integer.parseInt(request.getParameter("dblexp_on")); 
         if(dblexp_on == 0){dblexp_on = (0);} 
         if(DeliveryDB.GMSetDoubleExp(dblexp_on = (1))) 
         { 
          //message += "<font color=\"#00cc00\"><b>Saved Double Experience Points</b></font><br>"; 
         } 
         else 
         { 
          //message += "<font color=\"#ee0000\"><b>Saving Double Experience Points Failed</b></font><br>"; 
          message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
         } 
        }

即使我沒有錯誤當運行該頁面時，它會給我一條錯誤消息，說明它尚未保存。任何人有什麼想法，我做錯了什麼？

這是我的頁面的完整代碼。

<%@page import="protocol.*"%> 
<%@include file="WEB-INF/.pwadminconf.jsp"%> 

<% 
    boolean allowed = false; 

    if(request.getSession().getAttribute("ssid") == null) 
    { 
     out.println("<p align=\"right\"><font color=\"#ee0000\"><b>Login for Server configuration...</b></font></p>"); 
    } 
    else 
    { 
     allowed = true; 
    } 
%> 

<table width="800" cellpadding="0" cellspacing="0" border="0"> 

<tr> 
    <td colspan="2"> 
     <br> 
    </td> 
</tr> 

<tr> 
<td align="center" valign="top"> 

    <table cellpadding="2" cellspacing="0" style="border: 1px solid #cccccc;"> 
    <tr> 
     <th colspan="2" align="center" style="padding: 5;"> 
      <font color="#ffffff"><b><%out.println(pw_server_name);%></b></font> 
     </th> 
    </tr> 
    <tr> 
     <td colspan="2" align="left" valign="middle" style="border-bottom: 1px solid #cccccc;"> 
      <iframe src="status.jsp" width="120" height="32" scrolling="no" frameborder="no" style="border: 0;"></iframe> 
     </td> 
    </tr> 
    <tr> 
     <td> 
      EXP Rate: 
     </td> 
     <td> 
      <%out.println(pw_server_exp);%> 
     </td> 
    </tr> 
    <tr> 
     <td> 
      SP Rate: 
     </td> 
     <td> 
      <%out.println(pw_server_sp);%> 
     </td> 
    </tr> 
    <tr> 
     <td> 
      Drop Rate: 
     </td> 
     <td> 
      <%out.println(pw_server_drop);%> 
     </td> 
    </tr> 
    <tr> 
     <td> 
      Coins Rate: 
     </td> 
     <td> 
      <%out.println(pw_server_coins);%> 
     </td> 
    </tr> 
    <tr> 
     <td colspan="2" style="border-top: 1px solid #cccccc;"> 
      <%out.println(pw_server_description);%> 
     </td> 
    </tr> 
    </table> 

</td> 

<td align="center" valign="top"> 
<% 
    if(allowed) 
    { 
     String message = new String("<br>"); 

     // ### Apply Changes ### 

      if(request.getParameter("process") != null) 
      { 
       if(request.getParameter("process").compareTo("save") == 0) 
       { 
        message = "<font color=\"#00cc00\"><b>Saved All Values<b></font>"; 

        try 
        { 
         int max = Integer.parseInt(request.getParameter("users_max")); 
         if(DeliveryDB.SetMaxOnlineNum(max, max)) 
         { 
          //message += "<font color=\"#00cc00\"><b>Saved Maximum User Number<b></font><br>"; 
         } 
         else 
         { 
          //message += "<font color=\"#ee0000\"><b>Saving Maximum User Number Failed</b></font><br>"; 
          message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
         } 
        } 
        catch(Exception e) 
        { 
         //message += "<font color=\"#ee0000\"><b>Saving Maximum User Number Failed</b></font><br>"; 
         message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
        } 

        try 
        { 
         int lambda_value = Integer.parseInt(request.getParameter("lambda_value")); 
         if(DeliveryDB.GMSetLambda(lambda_value)) 
         { 
          //message += "<font color=\"#00cc00\"><b>Saved Lambda Value<b></font><br>"; 
         } 
         else 
         { 
          //message += "<font color=\"#ee0000\"><b>Saving Lambda Value Failed</b></font><br>"; 
          message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
         } 
        } 
        catch(Exception e) 
        { 
         //message += "<font color=\"#ee0000\"><b>Saving Lambda Value Failed</b></font><br>"; 
         message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
        } 

        try 
        { 
         String dblexp_on = request.getParameter("dblexp_on"); 
         if(dblexp_on == null){dblexp_on = "false";} 
         if(DeliveryDB.GMSetDoubleEXP(dblexp_on.equals("true"))) 
         { 
          //message += "<font color=\"#00cc00\"><b>Saved Double Experience Points</b></font><br>"; 
         } 
         else 
         { 
          //message += "<font color=\"#ee0000\"><b>Saving Double Experience Points Failed</b></font><br>"; 
          message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
         } 
        } 
        catch(Exception e) 
        { 
         //message += "<font color=\"#ee0000\"><b>Saving Double Experience Points Failed</b></font><br>"; 
         message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
        } 

        try 
        { 
         String dblsp_on = request.getParameter("dblsp_on"); 
         if(dblsp_on == null){dblsp_on = "false";} 
         if(DeliveryDB.GMSetDoubleSP(dblsp_on.equals("true"))) 
         { 
          //message += "<font color=\"#00cc00\"><b>Saved Double Skill Points</b></font><br>"; 
         } 
         else 
         { 
          //message += "<font color=\"#ee0000\"><b>Saving Double Skill Points Failed</b></font><br>"; 
          message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
         } 
        } 
        catch(Exception e) 
        { 
         //message += "<font color=\"#ee0000\"><b>Saving Double Skill Points Failed</b></font><br>"; 
         message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
        } 

        try 
        { 
         String dbldrop_on = request.getParameter("dbldrop_on"); 
         if(dbldrop_on == null){dbldrop_on = "false";} 
         if(DeliveryDB.GMSetDoubleObject(dbldrop_on.equals("true"))) 
         { 
          //message += "<font color=\"#00cc00\"><b>Saved Double Droprate</b></font><br>"; 
         } 
         else 
         { 
          //message += "<font color=\"#ee0000\"><b>Saving Double Droprate Failed</b></font><br>"; 
          message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
         } 
        } 
        catch(Exception e) 
        { 
         //message += "<font color=\"#ee0000\"><b>Saving Double Droprate Failed</b></font><br>"; 
         message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
        } 

        try 
        { 
         String dblcoin_on = request.getParameter("dblcoin_on"); 
         if(dblcoin_on == null){dblcoin_on = "false";} 
         if(DeliveryDB.GMSetDoubleMoney(dblcoin_on.equals("true"))) 
         { 
          //message += "<font color=\"#00cc00\"><b>Saved Double Coins</b></font><br>"; 
         } 
         else 
         { 
          //message += "<font color=\"#ee0000\"><b>Saving Double Coins Failed</b></font><br>"; 
          message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
         } 
        } 
        catch(Exception e) 
        { 
         //message += "<font color=\"#ee0000\"><b>Saving Double Coins Failed</b></font><br>"; 
         message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
        } 

        try 
        { 
         String nomail_on = request.getParameter("nomail_on"); 
         if(nomail_on == null){nomail_on = "false";} 
         if(DeliveryDB.GMSetNoMail(nomail_on.equals("true"))) 
         { 
          //message += "<font color=\"#00cc00\"><b>Saved No-Mail Mode</b></font><br>"; 
         } 
         else 
         { 
          //message += "<font color=\"#ee0000\"><b>Saving No-Mail Mode Failed</b></font><br>"; 
          message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
         } 
        } 
        catch(Exception e) 
        { 
         //message += "<font color=\"#ee0000\"><b>Saving No-Mail Mode Failed</b></font><br>"; 
         message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
        } 

        try 
        { 
         String nofaction_on = request.getParameter("nofaction_on"); 
         if(nofaction_on == null){nofaction_on = "false";} 
         if(DeliveryDB.GMSetNoFaction(nofaction_on.equals("true"))) 
         { 
          //message += "<font color=\"#00cc00\"><b>Saved No-Faction Mode</b></font><br>"; 
         } 
         else 
         { 
          //message += "<font color=\"#ee0000\"><b>Saving No-Faction Mode Failed</b></font><br>"; 
          message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
         } 
        } 
        catch(Exception e) 
        { 
         //message += "<font color=\"#ee0000\"><b>Saving No-Faction Mode Failed</b></font><br>"; 
         message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
        } 

        try 
        { 
         String notrade_on = request.getParameter("notrade_on"); 
         if(notrade_on == null){notrade_on = "false";} 
         if(DeliveryDB.GMSetNoTrade(notrade_on.equals("true"))) 
         { 
          //message += "<font color=\"#00cc00\"><b>Saved No-Trade Mode</b></font><br>"; 
         } 
         else 
         { 
          //message += "<font color=\"#ee0000\"><b>Saving No-Trade Mode Failed</b></font><br>"; 
          message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
         } 
        } 
        catch(Exception e) 
        { 
         //message += "<font color=\"#ee0000\"><b>Saving No-Trade Mode Failed</b></font><br>"; 
         message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
        } 

        try 
        { 
         String noshop_on = request.getParameter("noshop_on"); 
         if(noshop_on == null){noshop_on = "false";} 
         if(DeliveryDB.GMSetNoSellPoint(noshop_on.equals("true"))) 
         { 
          //message += "<font color=\"#00cc00\"><b>Saved No-PlayerShop Mode</b></font><br>"; 
         } 
         else 
         { 
          //message += "<font color=\"#ee0000\"><b>Saving No-PlayerShop Mode Failed</b></font><br>"; 
          message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
         } 
        } 
        catch(Exception e) 
        { 
         //message += "<font color=\"#ee0000\"><b>Saving No-PlayerShop Mode Failed</b></font><br>"; 
         message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
        } 

        try 
        { 
         String noauction_on = request.getParameter("noauction_on"); 
         if(noauction_on == null){noauction_on = "false";} 
         if(DeliveryDB.GMSetNoAuction(noauction_on.equals("true"))) 
         { 
          //message += "<font color=\"#00cc00\"><b>Saved No-Auction Mode</b></font><br>"; 
         } 
         else 
         { 
          //message += "<font color=\"#ee0000\"><b>Saving No-Auction Mode Failed</b></font><br>"; 
          message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
         } 
        } 
        catch(Exception e) 
        { 
         //message += "<font color=\"#ee0000\"><b>Saving No-Auction Mode Failed</b></font><br>"; 
         message = "<font color=\"#ee0000\"><b>Saving of one or more Values Failed<b></font>"; 
        } 
       } 
      } 

     // ### END Apply Changes ### 

     // ### Get Current Values ### 

      String users_max = new String(""); 
      String users_vmax = new String(""); 
      String users_online = new String(""); 
      { 
       Integer[] user = new Integer[3]; 
       DeliveryDB.GetMaxOnlineNum(user); 
       if(user[0] == null){user[0] = new Integer(-1);} 
       if(user[1] == null){user[1] = new Integer(-1);} 
       if(user[2] == null){user[2] = new Integer(-1);} 
       users_max = user[0].toString(); 
       users_vmax = user[1].toString(); 
       users_online = user[2].toString(); 
      } 

      String lambda = new String(""); 
      { 
       lambda = Integer.toString(DeliveryDB.GMGetLambda()); 
      } 

      String double_exp = new String(""); 
      { 
       byte status = DeliveryDB.GMGetDoubleExp(); 
       if(status == (byte)1){double_exp = "checked=\"checked\"";} 
      } 

      String double_sp = new String(""); 
      { 
       byte status = DeliveryDB.GMGetDoubleSP(); 
       if(status == (byte)1){double_sp = "checked=\"checked\"";} 
      } 

      String double_drop = new String(""); 
      { 
       byte status = DeliveryDB.GMGetDoubleObject(); 
       if(status == (byte)1){double_drop = "checked=\"checked\"";} 
      } 

      String double_coin = new String(""); 
      { 
       byte status = DeliveryDB.GMGetDoubleMoney(); 
       if(status == (byte)1){double_coin = "checked=\"checked\"";} 
      } 

      String mail = new String(""); 
      { 
       byte status = DeliveryDB.GMGetNoMail(); 
       if(status == (byte)1){mail = "checked=\"checked\"";} 
      } 

      String faction = new String(""); 
      { 
       byte status = DeliveryDB.GMGetNoFaction(); 
       if(status == (byte)1){faction = "checked=\"checked\"";} 
      } 

      String trade = new String(""); 
      { 
       byte status = DeliveryDB.GMGetNoTrade(); 
       if(status == (byte)1){trade = "checked=\"checked\"";} 
      } 

      String shop = new String(""); 
      { 
       byte status = DeliveryDB.GMGetNoSellPoint(); 
       if(status == (byte)1){shop = "checked=\"checked\"";} 
      } 

      String auction = new String(""); 
      { 
       byte status = DeliveryDB.GMGetNoAuction(); 
       if(status == (byte)1){auction = "checked=\"checked\"";} 
      } 

     // ### END Get Current Values ### 

     // ### Show Form ### 

      out.println("<form action=\"index.jsp?page=server&process=save\" method=\"post\" style=\"margin: 0px;\">"); 
      out.println("<table cellpadding=\"2\" cellspacing=\"0\" style=\"border: 1px solid #cccccc;\">"); 
      out.println("<tr><th colspan=\"3\" align=\"center\" style=\"padding: 5px;\">SERVER CONFIGURATION</th>"); 
      out.println("<tr bgcolor=\"#f0f0f0\"><td colspan=\"3\" align=\"center\">" + message + "</td>"); 
      out.println("<tr><td style=\"border-top: 1px solid #cccccc;\">Max. Online Users/Virtual Max. Online Users</td><td align=\"center\" style=\"border-top: 1px solid #cccccc;\"><input name=\"users_max\" type=\"text\" value=\"" + users_max + "\" style=\"width: 40px; text-align: center;\"></td></tr>"); 
      out.println("<tr><td style=\"border-top: 1px solid #cccccc;\">Set Lambda Value</td><td align=\"center\" style=\"border-top: 1px solid #cccccc;\"><input name=\"lambda_value\" type=\"text\" value=\"" + lambda + "\" style=\"width: 40px; text-align: center;\"></td></tr>"); 
      out.println("<tr><td style=\"border-top: 1px solid #cccccc;\">Turn Double Experience Points On/Off</td><td align=\"center\" style=\"border-top: 1px solid #cccccc;\"><input name=\"dblexp_on\" type=\"checkbox\" value=\"true\" " + double_exp + "></td></tr>"); 
      out.println("<tr><td style=\"border-top: 1px solid #cccccc;\">Turn Double Skill Points On/Off</td><td align=\"center\" style=\"border-top: 1px solid #cccccc;\"><input name=\"dblsp_on\" type=\"checkbox\" value=\"true\" " + double_sp + "></td></tr>"); 
      out.println("<tr><td style=\"border-top: 1px solid #cccccc;\">Turn Double Droprate On/Off</td><td align=\"center\" style=\"border-top: 1px solid #cccccc;\"><input name=\"dbldrop_on\" type=\"checkbox\" value=\"true\" " + double_drop + "></td></tr>"); 
      out.println("<tr><td style=\"border-top: 1px solid #cccccc;\">Turn Double Coins On/Off</td><td align=\"center\" style=\"border-top: 1px solid #cccccc;\"><input name=\"dblcoin_on\" type=\"checkbox\" value=\"true\" " + double_coin + "></td></tr>"); 
      out.println("<tr><td style=\"border-top: 1px solid #cccccc;\">Turn No-Mail Mode On/Off</td><td align=\"center\" style=\"border-top: 1px solid #cccccc;\"><input name=\"nomail_on\" type=\"checkbox\" value=\"true\" " + mail + "></td></tr>"); 
      out.println("<tr><td style=\"border-top: 1px solid #cccccc;\">Turn No-Faction Mode On/Off</td><td align=\"center\" style=\"border-top: 1px solid #cccccc;\"><input name=\"nofaction_on\" type=\"checkbox\" value=\"true\" " + faction + "></td></tr>"); 
      out.println("<tr><td style=\"border-top: 1px solid #cccccc;\">Turn No-Trade Mode On/Off</td><td align=\"center\" style=\"border-top: 1px solid #cccccc;\"><input name=\"notrade_on\" type=\"checkbox\" value=\"true\" " + trade + "></td></tr>"); 
      out.println("<tr><td style=\"border-top: 1px solid #cccccc;\">Turn No-PlayerShop Mode On/Off</td><td align=\"center\" style=\"border-top: 1px solid #cccccc;\"><input name=\"noshop_on\" type=\"checkbox\" value=\"true\" " + shop + "></td></tr>"); 
      out.println("<tr><td style=\"border-top: 1px solid #cccccc;\">Turn No-Auction Mode On/Off</td><td align=\"center\" style=\"border-top: 1px solid #cccccc;\"><input name=\"noauction_on\" type=\"checkbox\" value=\"true\" " + auction + "></td></tr>"); 
      out.println("<tr><td colspan=\"2\" align=\"center\" style=\"border-top: 1px solid #cccccc;\"><input type=\"image\" src=\"include/btn_save.jpg\" style=\"border: 0px;\"></td></tr>"); 
      out.println("</table>"); 
      out.println("</form>"); 

     // ### END Show Form ### 
    } 
%> 
</td> 
</tr> 
</table>

來源

2013-05-20 Damadboy Theoneandonly

int對於這樣的任務並不是很好。您可以嘗試[enum]（http://docs.oracle.com/javase/tutorial/java/javaOO/enum.html）。 – lifus

請提供有關'DeliveryDB.GMSetDoubleExp'的更多詳細信息。實際上應該做什麼以及在什麼條件下？ –

@ lifus - 已經被'Joan'（見下文）提出，並被OP看似承認。 –

運營商同等比較 - 是==你的代碼應該是：

if(DeliveryDB.GMSetDoubleExp(dblexp_on == (1)))

=是分配操作

如果GMSetDoubleExp方法需要一個整數，那麼你應該使用：

if(DeliveryDB.GMSetDoubleExp(dblexp_on))

來源

2013-05-20 21:49:36 Joan

我給它去了，但它向我扔了一個錯誤類型DeliveryDB中的方法GMSetDoubleExp（int）不適用於參數（布爾值） –

好吧，那麼你只需要使用'DeliveryDB.GMSetDoubleExp（dblexp_on ）'因爲dblexp_on是一個整數。 – Joan

我剛剛嘗試過，它沒有給出任何錯誤，但它仍然沒有保存它並註冊爲「on」 –

@damadbo y：@ +1與@Joan。此外，不要將整個邏輯從布爾型更改爲整型，而是可以編寫一個自定義函數，該函數將輸入爲布爾型字符串並返回其int類型。這樣，它減少了代碼的麻煩，並且使調試更容易。該功能將如下所示。

private int flagConverter(String flag) { 
     if(flag.equalsIgnoreCase("true")) 
      return 1; // returns 1 on TRUE 
     else if(flag.equalsIgnoreCase("false")) 
      return 0; // returns 0 on FALSE 
     else 
      return -1; // returns -1 for any inappropriate input 
    }

來源

2013-05-20 22:03:51

嘗試此操作時出現不少錯誤。我可能使用它錯誤，但這些是我得到的錯誤： '錯誤發生在行：145在jsp文件中：/server.jsp 變量flagConverter的非法修飾符;只有最後一次被允許 jsp文件中的行：145處發生錯誤：/server.jsp 令牌「（」，;;預期的語法錯誤在jsp文件：/ server中，在行：145處發生錯誤。 jsp 令牌上的語法錯誤「）」，;預期' –

如何將布爾代碼更改爲java中的int代碼

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