我收到错误无法找到符号,符号:方法 setDate(Date)。这是我的导入代码:import java.io.File;import java.io.FileInputStream;import java.io.InputStream;import java.sql.Connection;import java.sql.PreparedStatement;import java.sql.SQLException;import java.util.Date;import java.util.Vector;import java.util.logging.Level;import java.util.logging.Logger;import java.sql.ResultSet;import java.sql.Statement;import java.text.SimpleDateFormat;import javax.swing.ImageIcon;import javax.swing.JOptionPane;import javax.swing.UIManager;import javax.swing.UnsupportedLookAndFeelException;import sun.applet.Main;import javax.swing.table.DefaultTableModel;这是有错误的代码(第 6 行):private String idTransaksi() { try { Date date = new Date(); SimpleDateFormat sdf = new SimpleDateFormat ("yyyy-MM-dd"); String tanggal = sdf.format(date); txtDate.setDate(date); SimpleDateFormat sdf2 = new SimpleDateFormat ("dd.MM.yyyy hh:mm:ss"); String tanggal2 = sdf2.format(date); String qDate = "SELECT time, sellID FROM mssell"; rs = stm.executeQuery(qDate); idJual = "Trans." + tanggal2; String query = "INSERT INTO t_jual VALUES ('"+idJual+"','"+tanggal+"','ADMIN',0,0,'NOTHING')"; stm.executeUpdate(query); } catch (Exception e) { JOptionPane.showMessageDialog(null, e.getMessage()); } return idJual; }我错过了什么?任何帮助回答表示赞赏。
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