java我正在尝试根据单元格值更改行颜色
我正在尝试根据单元格值更改行颜色,这是我的代码
这是数据库的连接,用于在jtable中显示它
import java.sql.*;
import javax.swing.table.DefaultTableModel;
import net.proteanit.sql.DbUtils;
import javax.swing.*;
import javax.swing.table.TableCellRenderer;
import javax.swing.table.TableColumnModel;
import javax.swing.table.TableModel;
import java.awt.Color;
import java.awt.Component;
public class Rechercher extends javax.swing.JFrame {
Statement stmt;
connexion maconnexion = new connexion();
ResultSet Rs;
PreparedStatement ps =null;
Connection conn = null;
DefaultTableModel model=new DefaultTableModel();
public Rechercher() {
initComponents();
model.addColumn("Code Piece");
model.addColumn("Reference");
model.addColumn("Nom");
model.addColumn("Marque");
model.addColumn("Dimention");
model.addColumn("Quantite");
model.addColumn("Categorie");
model.addColumn("Type");
model.addColumn("Discription");
model.addColumn("Famille");
model.addColumn("Sous Famille");
try {
stmt=maconnexion.Obtenirconnexion().createStatement();
ResultSet Rs=stmt.executeQuery("Select
piece.*,famille.Nom_F,sousfamille.Nom_SF from piece left join famille
ON famille.Code_Piece=piece.Code_Piece left join sousfamille on
sousfamille.Code_Piece = piece.Code_Piece order by Code_Piece");
while(Rs.next()){
model.addRow(new Object[]
{Rs.getString("Code_Piece"),Rs.getString("Reference"),
Rs.getString("Nom_P"),
Rs.getString("Mark_P"),Rs.getString("Dimention")
,Rs.getString("Quantite"),Rs.getString("Categorie"),
Rs.getString("Type"),Rs.getString("Discription"),
Rs.getString("Nom_F"),Rs.getString("Nom_SF")}); }
}catch(Exception e){System.err.println(e);}
jRech.setModel(model);
jRech.setAutoCreateRowSorter(true); }
这就是我用来根据一个值改变单元格颜色的方法 问题是“组件c”有一个错误,上面写着“找不到符号”
public Component prepareRenderer (TableCellRenderer renderer, int
rowIndex, int columnIndex){
Component c = super.prepareRenderer(renderer, rowIndex, columnIndex);
Object value = jRech.getModel().getValueAt(rowIndex,columnIndex);
if(columnIndex == 6){
if(value.equals("0"))
{
c.setBackground(Color.GREEN);
c.setForeground(Color.BLACK);
}}return c;
}
# 1 楼答案
你可以这样做: