我得到一个“无法找到符号”错误的rowData和columnLabels。是我得到这个错误的原因,因为这两个变量没有值吗?我想,一旦我创建了数组,它们将为null,直到函数被ResultSet对象调用。ResultSet to JTable - 找不到符号
import javax.swing.*;
import java.awt.*;
import java.sql.*;
public class Testing
{
public static JTable getTable(ResultSet rs)
{
//get data from the resultSet using metaData and place into the arrays
try
{
ResultSetMetaData metaData = rs.getMetaData();
int numberOfColumns = metaData.getColumnCount();
int numberOfRows = rs.getRow();
String[] columnLabels = new String[numberOfColumns];
Object[][] rowData = new Object[numberOfRows][numberOfColumns];
for (int column = 0; column < numberOfColumns; column++) {
columnLabels[column]= metaData.getColumnLabel(column + 1);
}//end of for loop
for(int x = 1; x <= numberOfRows; x++)
{
for(int y = 1; y<=numberOfColumns;y++){
rs.absolute(x);
rowData[x][y] = rs.getObject(y);}
}//end of loop
}catch(SQLException sqlException){
sqlException.printStackTrace();
}//end of catch
JTable table = new JTable(rowData,columnLabels);
return table;
}//end of getTable;
}//end of testing
请改善您的代码格式以发布到此论坛的代码。既然你要求志愿者来帮助你,那么不要求你太多让我们难以做到这一点,对吧? – 2012-04-01 17:24:31