[英]Eclipse says I have a compilation error when I don't - How to fix?
我在写一个Java项目,突然间,eclipse突然报告我的代码有问题。 它特定于一个文件,但其他文件却失败了,因为它们使用了相关类中的几个函数,这些函数似乎无法找到。 我已尽我所能想到的一切方法来使此错误消失。
具体来说,第一个错误是:
Syntax error, insert "}" to complete ClassBody
只是为了说明,下面是代码:
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;
}
}
是我还是其他任何人都会收到此错误?
任何有关如何修复它的建议都欢迎!
好的。 我终于设法解决了该错误。
如顶部文章中的评论所述,如果清除了构造函数,我可以将其编译。 编译完成后,我慢慢将代码逐行复制到项目中。 我省略了ActionListeners,它编译得很好。 之后,我慢慢地一步一步导入了ActionListener方法,并发现了导致错误的一行。 一行:
App.getSharedResources().changeRow(index, newRow); //line 106
该方法尚未实现,在上述过程之后,给了我一个错误。 我可以创建该方法,其余代码现在可以按预期进行编译。 这是一个非常奇怪的错误。
我过去也曾遇到过类似的问题,请您尝试从“问题”视图中删除该错误,然后再执行一个干净的项目,然后查看它是否消失。
如果没有帮助,请尝试:在工作区目录中查找eclipse创建的.log文件。 这可能会提示如何解决此问题。
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