Question

eclipse插入数据插入失败还不报错

package com.neuedu.dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.SQLException;

import com.neuedu.entity.JbTopic;
import com.neuedu.util.DBUtils;

public class djdao {
//插入举报onn
public boolean dojbtopic(JbTopic j) {
Connection conn=null;
PreparedStatement ps=null;
boolean flag=false;
try {
conn=DBUtils.getConnection();
String sql="insert into jbtopic values(?,?,?,?,sysdate)";
ps=conn.prepareStatement(sql);
ps.setInt(1, j.getJbtopicid());
ps.setString(2,j.getJbtopictitle() );
ps.setString(3, j.getJbname());
ps.setString(4, j.getJbbecause());
int i = ps.executeUpdate();
if(i>0) {
flag=true;
}
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return flag;

}
}

Answer 1

无法运行起来。