json 415 unsupported media type
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前端设置:
function abc(){var bac = {name:"吃饭", address:"爬山的移动",a:{name:"吃饭", address:"爬山的移动"}};//bac ={name:123,address:"abc"};//$.post( "gec/getjson.do",bac, function( data ) {// $("#result" ).html( JSON.stringify(data));//},"json");$.ajax({ type: "POST", url: "gec/getjson.do", data: JSON.stringify(bac), success: function( data ) { $("#result" ).html( JSON.stringify(data));}, dataType: "json", contentType:"application/json;charset=UTF-8"});}
后端xml:
<!-- mvc:annotation-driven><mvc:message-converters register-defaults="false"><bean class="org.springframework.http.converter.ByteArrayHttpMessageConverter"/><bean class="org.springframework.http.converter.StringHttpMessageConverter"/><bean class="org.springframework.http.converter.FormHttpMessageConverter"/><bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"><property name="supportedMediaTypes"><list><value>application/json;charset=UTF-8</value></list></property></bean></mvc:message-converters></mvc:annotation-driven--><mvc:annotation-driven/><bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping" /><bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"> <property name="messageConverters"> <list> <bean class="org.springframework.http.converter.StringHttpMessageConverter"> <property name="supportedMediaTypes"> <list> <value>application/json;charset=UTF-8</value> </list> </property> </bean> <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"> <property name="supportedMediaTypes"> <list> <value>application/json;charset=UTF-8</value> </list> </property> </bean> </list> </property> </bean>
测试表明,上面2段是等价的。
java代码:
@RequestMapping(value = "/getjson.do")public void getJson( @RequestBody ObjectNode o ,HttpServletResponse response) throws Exception{System.out.println(" in getJson ");HttpServletRequest r;Object retObject ;long i = (reqnum++)%3;if(i==0){retObject = new ErrorCode();}else if(i==1){retObject = new Return1();}else{retObject = new Return2();}response.setContentType("application/json;charset=UTF-8");JsonGenerator jg = new ObjectMapper().getJsonFactory().createJsonGenerator(response.getOutputStream(),JsonEncoding.UTF8);jg.writeObject(retObject);jg.flush();//System.out.println("url"+ url );System.out.println(o );}
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