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package edu.zzu.jdbc.Test;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import com.ambow.jdbc.entity.Student;
public class TestDBConn{
public static void main(String args[]){
Str ......
String startTime, String endTime;
Date start = null;
Date end = null;
Date startTimeStamp = null;
Date endTimeStamp = null;
try {
SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
......