pom.xml加入两个jar包
<dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-core-lgpl</artifactId> <version>1.8.1</version> </dependency> <dependency> <groupId>org.codehaus.jackson</groupId> <artifactId>jackson-mapper-lgpl</artifactId> <version>1.8.1</version> </dependency>
方法
@ResponseBody
@RequestMapping(value="/testJson")
public Collection<Employee> testJson(){
return employeeDao.getAll();
}
springmvc.xml
<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"> <property name="messageConverters"> <list> <bean class="org.springframework.http.converter.StringHttpMessageConverter"> <property name="supportedMediaTypes"> <list> <!-- 默认是ISO-88859-1，避免乱码这里设置为UTF-8 --> <value> text/html;charset=UTF-8 </value> </list> </property> </bean> <!-- 启动JSON格式的配置 --> <bean id="jacksonMessageConverter" class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter"> <!-- 解决 HttpMediaTypeNotAcceptableException: Could not find acceptable representation --> <property name="supportedMediaTypes"> <list> <value>application/json;charset=UTF-8</value> </list> </property> </bean> </list> </property> </bean>
输出
原文：http://www.cnblogs.com/tuifeideyouran/p/4431326.html