📄 newsdao.java
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package com.zzx.notes;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import net.ijsp.news.news.Factory;
import net.ijsp.news.news.News;
import net.ijsp.news.news.NewsFactory;
import com.zzx.util.DataConn;
public class NewsDAO {
public NewsDAO() {
}
Factory factory = Factory.getInstance();
News news = factory.getNews();
Connection conn = new DataConn().getConn();
public void delete(int id) throws Exception{
PreparedStatement psmt = null;
String sql = "delete from news where id=?";
try {
psmt = conn.prepareStatement(sql);
psmt.setInt(1, id);
psmt.executeUpdate();
psmt.close();
System.out.println("news delete successfully!");
} catch (SQLException e) {
e.printStackTrace();
}finally{
try {
conn.close();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
}
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