前端傳送請求中文亂碼問題,在web.xml檔案中配置過濾器修改編碼格式

<!-- 解決中文亂碼問題,使用過濾器 -->
    <!--配置編碼格式-->
    <filter>
        <filter-name>characterEncoding</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>
    </filter>
    <filter-mapping>
        <filter-name>characterEncoding</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>