如何解决POST请求中文乱码问题,GET的又如何处理呢

(1)解决post请求乱码问题:
在web.xml中加入:

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

(2)get请求中文参数出现乱码解决方法有两个:
①修改tomcat配置文件添加编码与工程编码一致,如下:

<ConnectorURIEncoding="utf-8" connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443"/>

②另外一种方法对参数进行重新编码:

String userName = new String(request.getParamter("userName").getBytes("ISO8859-1"),"utf-8")

ISO8859-1是tomcat默认编码,需要将tomcat编码后的内容按utf-8编码。

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Origin blog.csdn.net/weixin_48860638/article/details/117660312