1 POST请求中文参数出现乱码解决【web.xml配置filter】
web.xml
<!-- 解决post乱码问题 -->
<filter>
<filter-name>encoding</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<!-- 设置编码参是UTF8 -->
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>encoding</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
2 get请求中文参数出现乱码解决
方案A 修改tomcat配置文件添加编码与工程编码一致
<Connector URIEncoding="UTF-8" useBodyEncodingForURI="true" connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443"/>
方案B
String bname = request.getParameter("bname");
bname = new String(bname .getBytes("iso8859-1"),"utf-8");
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原文链接：https://blog.csdn.net/qq_40969108/article/details/97832554
