2017-08-26 101 views
0

我的代碼:異常在線程 「AWT-EventQueue的 - 0」 java.lang.NumberFormatException:對於輸入字符串: 「FALSE」

public class BehemothSelectGUI extends javax.swing.JFrame { 
private static DBUtil db = new DBUtil(); 
private static Populate populate = new Populate(); 
static int WepHitPoints; 
static int ShoulderHitPoints; 
static int ChestHitPoints; 
static int WristHitPoints; 
static int HelmHitPoints; 
static int WepAttack; 
static int HelmDef; 
static int ShoulderDef; 
static int WristDef; 
static int ChestDef; 
static int HelmMoveSpeed; 
static int WepMoveSpeed; 
static int ChestMoveSpeed; 
static int ShoulderMoveSpeed; 
static int WristMoveSpeed; 

private void cmbMothHeadActionPerformed(java.awt.event.ActionEvent evt) {           
    String data[][] = db.selectAll("tblBehemoth"); 

    for (int i = 0; i < data.length; i++) { 
     if (data[i][1].equals((String) cmbMothHead.getSelectedItem())) { 
      HelmHitPoints = Integer.parseInt(data[i][2]); 
      HelmDef = Integer.parseInt(data[i][4]); 
      HelmMoveSpeed = Integer.parseInt(data[i][5]); //StackTrace error 
      break; 
     } 
    } 

} 

錯誤:

Exception in thread "AWT-EventQueue-0" java.lang.NumberFormatException: For input string: "FALSE" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) at java.lang.Integer.parseInt(Integer.java:580) at java.lang.Integer.parseInt(Integer.java:615) at leapp.BehemothSelectGUI.cmbMothHeadActionPerformed(BehemothSelectGUI.java:182) at leapp.BehemothSelectGUI.access$100(BehemothSelectGUI.java:12) at leapp.BehemothSelectGUI$2.actionPerformed(BehemothSelectGUI.java:78) at javax.swing.JComboBox.fireActionEvent(JComboBox.java:1258) at javax.swing.JComboBox.contentsChanged(JComboBox.java:1332) at javax.swing.AbstractListModel.fireContentsChanged(AbstractListModel.java:118) at javax.swing.DefaultComboBoxModel.setSelectedItem(DefaultComboBoxModel.java:93) at javax.swing.DefaultComboBoxModel.addElement(DefaultComboBoxModel.java:131) at javax.swing.JComboBox.addItem(JComboBox.java:716) at leapp.Populate.cmbPop(Populate.java:66) at leapp.BehemothSelectGUI.(BehemothSelectGUI.java:41) at leapp.HeroSelectGUI.btnChooseMothActionPerformed(HeroSelectGUI.java:170) at leapp.HeroSelectGUI.access$000(HeroSelectGUI.java:14) at leapp.HeroSelectGUI$1.actionPerformed(HeroSelectGUI.java:78) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252) at java.awt.Component.processMouseEvent(Component.java:6533) at javax.swing.JComponent.processMouseEvent(JComponent.java:3324) at java.awt.Component.processEvent(Component.java:6298) at java.awt.Container.processEvent(Container.java:2236) at java.awt.Component.dispatchEventImpl(Component.java:4889) at java.awt.Container.dispatchEventImpl(Container.java:2294) at java.awt.Component.dispatchEvent(Component.java:4711) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466) at java.awt.Container.dispatchEventImpl(Container.java:2280) at java.awt.Window.dispatchEventImpl(Window.java:2746) at java.awt.Component.dispatchEvent(Component.java:4711) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueue$3.run(EventQueue.java:703) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86) at java.awt.EventQueue$4.run(EventQueue.java:731) at java.awt.EventQueue$4.run(EventQueue.java:729) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76) at java.awt.EventQueue.dispatchEvent(EventQueue.java:728) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) at java.awt.EventDispatchThread.run(EventDispatchThread.java:82) BUILD SUCCESSFUL (total time: 5 seconds)

我一直在使用的Integer.parseInt(數據[I] [數字]轉換爲其他變量,但只有這一個引發錯誤

UPDATE:。 當我sysoutLine返回「FALSE」我仍然不知道它是如何返回FAL因爲在我的數據庫列5號碼是

System.out.println(data[i][5]);

+2

和異常信息的哪個部分你不明白嗎?您給* parse *的值是「FALSE」。這不是一個數字。所以你不能把它解析成int。我們無法告訴您爲什麼您嘗試將包含布爾值的字符串解析爲數字。 – GhostCat

+0

請檢查數據[i] [5]'是否指向獲取數據的右列 –

+0

請從複製的問題中查看此答案:https://stackoverflow.com/a/18711985/1531124 – GhostCat

回答

1

Integer.parseInt(String str) java文檔非常清楚地表明。

Throws: NumberFormatException - if the string does not contain a parsable integer.

而且FALSE不是一個可分析的整數。

所有inferreed這裏形成的堆棧跟蹤:

Exception in thread "AWT-EventQueue-0" java.lang.NumberFormatException: For input string: "FALSE" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)

+0

是的,我明白了,但我並沒有試圖解析FALSE。我從我的數據庫列中獲取數據,該列設置爲長整數 –

+0

@StuartCampbell在這種情況下,您可能必須共享整個'data [] []'值才能生效。日誌從至少從某處讀取輸入字符串爲「FALSE」。 – nullpointer

相關問題