post和get乱码解决方法

post乱码：

1.在web.xml中配置

<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乱码：

1.在tomcat配置文件中配置

2.在java代码中设置：例如

 queryString=new String(queryString.getBytes("iso-8859-1"),"utf-8");