java数据库连接,并将数据库内容存放到txt文件

import java.io.File;
import java.io.FileWriter;
import java.io.Writer;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.List;

public class MyConn {
class EmpStruct {
private String strName = "";
private String strNo = "";

public String getStrName() {
return strName;
}

public void setStrName(String strName) {
this.strName = strName;
}

public String getStrNo() {
return strNo;
}

public void setStrNo(String strNo) {
this.strNo = strNo;
}