我有一个带有该签名的Spring MVC服务:
@RequestMapping(method = RequestMethod.POST, value = "/addUser", consumes = "application/json")
public @ResponseBody User addUser(@RequestBody User user) {
而这在context.xml中
<bean id="jacksonMessageConverter"
class="org.springframework.http.converter.json.MappingJacksonHttpMessageConverter"></bean>
<bean
class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter">
<property name="messageConverters">
<list>
<ref bean="jacksonMessageConverter" />
</list>
</property>
</bean>
我执行一个Post请求,并始终向我返回400error-> Bad请求。我编写了一个过滤器来读取请求内容,并且是这样:
编辑json:
{
"email": "Anchor",
"latitude": 40.3139461,
"longitude": -3.8810229,
"name": "a",
"online": true,
"password": "a",
"deviceRegId": "APA91bGnD1EuqEm9cpoHsenC-HEphQJRniEnhPovK24QkKkLBXrDesSCP6CFlyOKwR1huwSI28Wd-DdN0N8MDKle7myYB7Dznzc3Z11ZOv3jMlJEIegykpnnnYScrElw2czQEa4pKFeQW7BklUsUS-IB15LMqH_Ag"
}
编辑:用户类
public class User implements Serializable{
@JsonProperty("deviceRegId")
private java.lang.String deviceRegistrationID;
@JsonProperty("email")
private java.lang.String email;
@JsonProperty("latitude")
private java.lang.Double latitude;
@JsonProperty("longitude")
private java.lang.Double longitude;
@JsonProperty("name")
private java.lang.String name;
@JsonProperty("online")
private java.lang.Boolean online;
@JsonProperty("password")
private java.lang.String password;
public User(String deviceRegid) {
this.deviceRegistrationID = deviceRegid;
this.online = true;
}
public java.lang.String getDeviceRegistrationID() {
return deviceRegistrationID;
}
public java.lang.String getEmail() {
return email;
}
public void setEmail(java.lang.String email) {
this.email = email;
}
public java.lang.Double getLatitude() {
return latitude;
}
public void setLatitude(java.lang.Double latitude) {
this.latitude = latitude;
}
public java.lang.Double getLongitude() {
return longitude;
}
public void setLongitude(java.lang.Double longitude) {
this.longitude = longitude;
}
public java.lang.String getName() {
return name;
}
public void setName(java.lang.String name) {
this.name = name;
}
public java.lang.Boolean getOnline() {
return online;
}
public void setOnline(java.lang.Boolean online) {
this.online = online;
}
/**
* @return value or {@code null} for none
*/
public java.lang.String getPassword() {
return password;
}
/**
* @param password
* password or {@code null} for none
*/
public void setPassword(java.lang.String password) {
this.password = password;
}
有什么问题?
请删除参数化的构造函数,然后就可以了。:)
public User(String deviceRegid) {
this.deviceRegistrationID = deviceRegid;
this.online = true;
}
因为在数据绑定时会调用默认构造函数。
检查您的json数据:
{
"email": "Anchor",
"latitude": 40.3139461,
"longitude": -3.8810229,
"name": "a",
"online": true,
"password": "a",
"deviceRegId": "APA91bGnD1EuqEm9cpoHsenC-HEphQJRniEnhPovK24QkKkLBXrDesSCP6CFlyOKwR1huwSI28Wd-DdN0N8MDKle7myYB7Dznzc3Z11ZOv3jMlJEIegykpnnnYScrElw2czQEa4pKFeQW7BklUsUS-IB15LMqH_Ag"
}
验证以下内容:
JSON的名称是否与User类的字段名匹配。
还要检查User类中相应的字段名称数据类型是否支持JSON值。
尝试一下,我已经多次遇到相同的问题。
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