原因是我用了@ResponseBody注解把返回值直接写到HTTP response body里,spring注解的默认编码是iso-8859-1,我的工程编码和页面都是utf-8,所以乱码
在springmvc的配置文件中加入
<!-- 启动Spring MVC的注解功能,完成请求和注解POJO的映射 -->
<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">
<property name="messageConverters">
<list>
<bean class="org.springframework.http.converter.ByteArrayHttpMessageConverter"/>
<bean class="org.springframework.http.converter.StringHttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html; charset=utf-8</value>
</list>
</property>
</bean>
<bean class="org.springframework.http.converter.ResourceHttpMessageConverter"/>
<bean class="org.springframework.http.converter.xml.SourceHttpMessageConverter"/>
<bean class="org.springframework.http.converter.xml.XmlAwareFormHttpMessageConverter"/>
<bean class="org.springframework.http.converter.xml.Jaxb2RootElementHttpMessageConverter"/>
</list>
</property>
</bean>
在springmvc的配置文件中加入
<!-- 启动Spring MVC的注解功能,完成请求和注解POJO的映射 -->
<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">
<property name="messageConverters">
<list>
<bean class="org.springframework.http.converter.ByteArrayHttpMessageConverter"/>
<bean class="org.springframework.http.converter.StringHttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/html; charset=utf-8</value>
</list>
</property>
</bean>
<bean class="org.springframework.http.converter.ResourceHttpMessageConverter"/>
<bean class="org.springframework.http.converter.xml.SourceHttpMessageConverter"/>
<bean class="org.springframework.http.converter.xml.XmlAwareFormHttpMessageConverter"/>
<bean class="org.springframework.http.converter.xml.Jaxb2RootElementHttpMessageConverter"/>
</list>
</property>
</bean>
就可以了 :)
//以上方法如果不灵,试试下面这个:
<mvc:annotation-driven >
<!-- 消息转换器 -->
<mvc:message-converters register-defaults="true">
<bean class="org.springframework.http.converter.StringHttpMessageConverter">
<property name="supportedMediaTypes" value="text/html;charset=UTF-8"/>
</bean>
</mvc:message-converters>
</mvc:annotation-driven>