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原因:
Spring中解析字符串的转换器默认编码格式是ISO-8859-1
public class StringHttpMessageConverter extends AbstractHttpMessageConverter<String> {
public static final Charset DEFAULT_CHARSET = Charset.forName("ISO-8859-1");
…
2种解决方案:
方案一:使用@RequestMapping注解的produces方法,设置produces = "application/json; charset=utf-8"
示例代码:
@RequestMapping(value="/weather",produces = "application/json;charset=utf-8")
@ResponseBody
public String weather() throws Exception{
String url = "http://www.weather.com.cn/data/cityinfo/101271001.html";
String weatherData = HttpClientHelper.sendGet(url, null, "utf-8");
return weatherData;
}
方案二:在spring-servlet.xml中配置StringHttpMessageConverter的值
<mvc:annotation-driven>
<mvc:message-converters>
<bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"/>
<bean class="org.springframework.http.converter.StringHttpMessageConverter">
<property name="supportedMediaTypes">
<list>
<value>text/plain;charset=utf-8</value>
<value>text/html;charset=UTF-8</value>
</list>
</property>
</bean>
</mvc:message-converters>
</mvc:annotation-driven>