前端请求:
$.ajax({ url: basePath() + "/index/login.do", type : "post", data: JSON.stringify(form), dataType : "json", contentType : "application/json;charset=utf8", success: function (data) { console.log(data); }, error: function () { } });
后端接收:
@ResponseBody @RequestMapping(value = "/login",method = RequestMethod.POST,produces = "application/json;charset=utf8") public JSONObject login(@RequestBody LoginVo loginVo){ JSONObject result = new JSONObject(); UsernamePasswordToken token = new UsernamePasswordToken(loginVo.getUsername(),loginVo.getPassword()); System.out.println(loginVo.isRememberMe()); Subject subject = SecurityUtils.getSubject(); subject.login(token); if (subject.isAuthenticated()){ result.put("result",true); }else{ result.put("result",false); } return result; }
前端ajax请求,后端使用@RequestBody接收,报出415请求数据格式错误
错误原因:springMVC无法读取ajax设置好的dataType并以对应的方式处理请求头,进而无法处理json数据
解决办法:在maven中引入Jackson相关jar包,并在springMVC的xml中引入相关配置,maven和springMVC的相关代码如下:
maven:
<dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-databind</artifactId> <version>2.9.6</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-core</artifactId> <version>2.9.6</version> </dependency> <dependency> <groupId>com.fasterxml.jackson.core</groupId> <artifactId>jackson-annotations</artifactId> <version>2.9.6</version> </dependency>
springMVC:
<bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping" /> <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"> <property name="messageConverters"> <list> <!-- 设置返回字符串编码 --> <bean class="org.springframework.http.converter.StringHttpMessageConverter"> <property name = "supportedMediaTypes"> <list> <value>text/html;charset=UTF-8</value> <value>application/json;charset=UTF-8</value> </list> </property> </bean> <!-- json转换器 --> <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"> <property name="supportedMediaTypes"> <list> <value>text/html;charset=UTF-8</value> <value>application/json;charset=UTF-8</value> </list> </property> </bean> </list> </property> </bean>
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