前臺傳參到後臺中文亂碼解決方法

解決前端傳參到後臺的字符集編碼問題！！!

第一種：---java的web.xml中加上字符集過濾 （推薦使用）

<filter>
        <filter-name>SpringEncodingFilter</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>
    <filter-mapping>
        <filter-name>SpringEncodingFilter</filter-name>
        <url-pattern>/*</url-pattern>
    </filter-mapping>

第二種：有侷限性！當前有效

String str = new String(keyWord.getBytes("iso-8859-1"),"UTF-8");