[英]Eclipse says I have a compilation error when I don't - How to fix?
我在寫一個Java項目,突然間,eclipse突然報告我的代碼有問題。 它特定於一個文件,但其他文件卻失敗了,因為它們使用了相關類中的幾個函數,這些函數似乎無法找到。 我已盡我所能想到的一切方法來使此錯誤消失。
具體來說,第一個錯誤是:
Syntax error, insert "}" to complete ClassBody
只是為了說明,下面是代碼:
package view;
import java.awt.BorderLayout;
import java.awt.GridLayout;
import java.awt.Window;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JSeparator;
import javax.swing.SwingUtilities;
import javax.swing.border.TitledBorder;
import model.HolderCompany;
import model.Row;
import viewmodel.App;
public class PanelMain extends JPanel {
private PanelTable table;
private DataDialog editDialog;
private DataDialog addDialog;
private ManageCompaniesDialog mcDialog;
private PanelConsole consolePane;
private JFrame frame;
private ArrayList<Row> data;
private ArrayList<HolderCompany> companies;
private static String[] labelHeaders = {
"ID",
"Deployment Date",
"IMEI",
"Name",
"Model",
"Software Version",
"A51 Device",
"Holder Company",
"Company E-mail",
"Company Phone"
}; //Here is the so called Syntax Error
public PanelMain(){
frame = new JFrame("Mobile Sensor Manager");
setLayout(new BorderLayout());
JPanel pane = new JPanel(new BorderLayout());
consolePane = new PanelConsole();
//Button Pane
JButton addRow = new JButton("Add Row");
addRow.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
addDialog = openDialog("Add Row");
//Wait for return here
Object[] data = addDialog.getData();
if(data != null){
table.addRowToTable(data);
consolePane.write("Added row: " + table.dataToString(data), null);
}
}
});
JButton editRow = new JButton("Edit Row");
editRow.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
int index = table.getSelectedRow();
if(index == -1){
//Write error message
consolePane.write("No row is selected!", null);
} else {
Object[] d1 = table.getData(index);
editDialog = openDialog("Edit Row", data);
Row data = App.getSharedResources().getData().get(index);
editDialog = openDialog("Edit Row", data);
//Wait for return here
Object[] newData = editDialog.getData();
Row newRow = editDialog.getRow();
if(newData != null){
table.changeRowInTable(index, newData);
App.getSharedResources().changeRow(index, newRow);
consolePane.write("Changed row " + index + " to " + table.dataToString(newData), null);
}
}
}
});
JButton deleteRow = new JButton("Delete Row");
deleteRow.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
int index = table.getSelectedRow();
if(index == -1){
//Write error message
consolePane.write("No row is selected!", null);
} else {
consolePane.write("Removed row: " + table.tableIndexToString(index), null);
table.deleteRowFromTable(index);
App.getSharedResources().removeRow(index);
}
}
});
JButton manageCompanies = new JButton("Manage Companies");
manageCompanies.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
mcDialog = openDialog();
}
});
JButton clearDB = new JButton("Clear Database");
JButton deleteDB = new JButton("Delete Database");
JPanel buttonPane = new JPanel(new GridLayout(0, 1));
TitledBorder buttonBorder = new TitledBorder("Buttons");
buttonPane.setBorder(buttonBorder);
buttonPane.add(addRow);
buttonPane.add(editRow);
buttonPane.add(deleteRow);
buttonPane.add(new JSeparator());
buttonPane.add(manageCompanies);
buttonPane.add(new JSeparator());
buttonPane.add(clearDB);
buttonPane.add(deleteDB);
//Table Pane
table = new PanelTable();
JPanel tablePane = new JPanel(new BorderLayout());
TitledBorder dbContentBorder = new TitledBorder("Database Content");
tablePane.setBorder(dbContentBorder);
tablePane.add(table, BorderLayout.CENTER);
pane.add(buttonPane, BorderLayout.LINE_END);
pane.add(tablePane, BorderLayout.CENTER);
pane.add(consolePane, BorderLayout.PAGE_END);
add(pane, BorderLayout.CENTER);
}
public DataDialog openDialog(String name){
Window win = SwingUtilities.getWindowAncestor(this);
return new DataDialog(win, new DataTemplate(), name);
}
public DataDialog openDialog(String name, Object[] data){
Window win = SwingUtilities.getWindowAncestor(this);
return new DataDialog(win, new DataTemplate(), name, data);
}
public DataDialog openDialog(String name, Row data){
Window win = SwingUtilities.getWindowAncestor(this);
return new DataDialog(win, new DataTemplate(), name, data);
}
public ManageCompaniesDialog openDialog() {
Window win = SwingUtilities.getWindowAncestor(this);
return new ManageCompaniesDialog(win, new ManageCompaniesTemplate(companies));
}
public void injectCompanies(ArrayList<HolderCompany> companies) {
this.companies = companies;
}
public void injectData(ArrayList<Row> data) {
this.data = data;
table.injectDataToTable(data);
}
public void addMainToFrame(PanelMain main) {
frame.add(main);
}
public void createAndShowGUI(){
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
//frame.setResizable(false);
frame.pack();
frame.setVisible(true);
}
public static String[] getHeaders() {
return labelHeaders;
}
}
是我還是其他任何人都會收到此錯誤?
任何有關如何修復它的建議都歡迎!
好的。 我終於設法解決了該錯誤。
如頂部文章中的評論所述,如果清除了構造函數,我可以將其編譯。 編譯完成后,我慢慢將代碼逐行復制到項目中。 我省略了ActionListeners,它編譯得很好。 之后,我慢慢地一步一步導入了ActionListener方法,並發現了導致錯誤的一行。 一行:
App.getSharedResources().changeRow(index, newRow); //line 106
該方法尚未實現,在上述過程之后,給了我一個錯誤。 我可以創建該方法,其余代碼現在可以按預期進行編譯。 這是一個非常奇怪的錯誤。
我過去也曾遇到過類似的問題,請您嘗試從“問題”視圖中刪除該錯誤,然后再執行一個干凈的項目,然后查看它是否消失。
如果沒有幫助,請嘗試:在工作區目錄中查找eclipse創建的.log文件。 這可能會提示如何解決此問題。
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