配置Web 編碼

Web.xml

 <!-- set encoding filter -->
    <filter>
        <filter-name>Set UTF-8</filter-name>
        <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
        <init-param>
            <param-name>encoding</param-name>
            <param-value>utf-8</param-value>
        </init-param>
        <init-param>
            <param-name>forceEncoding</param-name>
            <param-value>true</param-value>
        </init-param>
    </filter>
    
    <!-- mapping encoding type  -->
    <filter-mapping>
        <filter-name>Set UTF-8</filter-name>
        <url-pattern>*.html</url-pattern>
    </filter-mapping>

jsp

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