package?com;
import?java.sql.Statement;
import?java.sql.Connection;
import?java.sql.DriverManager;
import?java.sql.ResultSet;
public?class?QuerTest?{
public?static?void?main(String[]?args)?throws?Exception?{
//連接數據庫的url
String?url?=?"jdbc:mysql://127.0.0.1:5653/wuzydb";
//數據庫用戶名
String?user?=?"root";
//數據庫密碼
String?password?=?"1111";
//1、加載驅動
Class.forName("com.mysql.jdbc.Driver");
//2、創建數據庫連接對象
Connection?conn?=?DriverManager.getConnection(url,?user,?password);
//3、創建Statement對象
Statement?stmt?=?conn.createStatement();
//4、獲取ResultSet
String?sql?=?"select?name,salary,age?from?t_emp";
ResultSet?rs?=?stmt.executeQuery(sql);
while?(rs.next())?{
//獲取字段name數據
String?name?=?rs.getString("name");
//獲取字段salary
double?salary?=?rs.getDouble("salary");
//獲取age數據
int?age?=?rs.getInt("age");
System.out.println(name+?","?+salary+?","?+age);
}
//5、關閉數據庫
rs.next();
stmt.close();
conn.close();
}
}

2016-05-03