提交的数据可能有乱码:
* 请求乱码:
* GET请求:改server.xml;在8080端口处URIEncoding="UTF-8"
* POST请求:
* 在第一次获取请求参数之前设置
* 自己写一个filter;而SpringMVC有这个filter
* 相当于request.setCharacterEncoding("UTF-8");
*
* 响应乱码:
* response.setContentType("text/html;charset=utf-8")
所以:
<!-- 使用SpringMVC前端控制器写完就直接写字符编码过滤器;
Tomcat一装上,上手就是server.xml的8080处添加URIEncoding="UTF-8"
-->
<!-- 配置一个字符编码的Filter;一定注意:字符编码filter一般都在其他Filter之前; -->
<filter>
<filter-name>CharacterEncodingFilter</filter-name>
<filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
<!-- encoding:指定解决POST请求乱码 -->
<init-param>
<param-name>encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<init-param>
<!-- forceEncoding:顺手解决响应乱码 response.setCharacterEncoding(this.encoding); -->
<param-name>forceEncoding</param-name>
<param-value>true</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>CharacterEncodingFilter</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>