testdb.java

数据库封装包

package database;

import java.util.List;


public class TestDB {

	public static void main(String[] args) {
		DBOperation dbop=new DBOperation();
		List<String[]> db=null;
		db=dbop.executeQuery("users", "userID,name,contact","1=1 and name='丁林花' order by userID");
		System.out.println("记录个数："+db.size());
		//String[] strArray = new String[db.get(0).length];
		for(int i=0;i<db.size();i++){
			String[] strArray = new String[db.get(i).length];
			strArray = db.get(i);
			for (int j=0;j<strArray.length;j++){
				System.out.print(strArray[j]);
			}
 			
 			
 			
		}
		  	
   
	}
}