----------------------------jsp----------------------------

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" errorPage=""%>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

----------------------------jsp----------------------------

----------------------------mysql-connector-java-3.1.12-bin.jar----------------------------

private String dbUrl = "jdbc:mysql://localhost:3306/db_studentinfo?characterEncoding=UTF-8";

----------------------------mysql-connector-java-3.1.12-bin.jar----------------------------

----------------------------mysql----------------------------

----------------------------mysql----------------------------

----------------------------servlet----------------------------
request.setCharacterEncoding("UTF-8");

response.setContentType("text/html;charset=utf-8");

----------------------------servlet----------------------------