JAVA模式2 POJO
JAVA模式2 POJO
提问于 2017-05-31 18:58:52
我必须创建一个REST响应。数据是json格式的，必须按照以下方式构造：
{
"device_id" : { "downlinkData" : "deadbeefcafebabe"}
}例如，"device_id“必须替换为DeviceId：
{
"333ee" : { "downlinkData" : "deadbeefcafebabe"}
}或
{
"9886y" : { "downlinkData" : "deadbeefcafebabe"}
}我使用了http://www.jsonschema2pojo.org/，结果是：
@JsonInclude(JsonInclude.Include.NON_NULL)
@JsonPropertyOrder({
"device_id"
})
public class DownlinkCallbackResponse {
@JsonProperty("device_id")
private DeviceId deviceId;
@JsonIgnore
private Map<String, Object> additionalProperties = new HashMap<String, Object>();
@JsonProperty("device_id")
public DeviceId getDeviceId() {
return deviceId;
}
@JsonProperty("device_id")
public void setDeviceId(DeviceId deviceId) {
this.deviceId = deviceId;
}
@JsonAnyGetter
public Map<String, Object> getAdditionalProperties() {
return this.additionalProperties;
}
@JsonAnySetter
public void setAdditionalProperty(String name, Object value) {
this.additionalProperties.put(name, value);
}
}和
@JsonInclude(JsonInclude.Include.NON_NULL)
@JsonPropertyOrder({
"downlinkData"
})
public class DeviceId {
@JsonProperty("downlinkData")
private String downlinkData;
@JsonIgnore
private Map<String, Object> additionalProperties = new HashMap<String, Object>();
@JsonProperty("downlinkData")
public String getDownlinkData() {
return downlinkData;
}
@JsonProperty("downlinkData")
public void setDownlinkData(String downlinkData) {
this.downlinkData = downlinkData;
}
@JsonAnyGetter
public Map<String, Object> getAdditionalProperties() {
return this.additionalProperties;
}
@JsonAnySetter
public void setAdditionalProperty(String name, Object value) {
this.additionalProperties.put(name, value);
}
}但是基于这个POJO，我不能设置deviceID：
DownlinkCallbackResponse downlinkCallbackResponse = new DownlinkCallbackResponse ();
DeviceId deviceId = new DeviceId();
deviceId.setDownlinkData(data);
downlinkCallbackResponse.setDeviceId(deviceId);
return new ResponseEntity<>(downlinkCallbackResponse, HttpStatus.OK);回答 1
Stack Overflow用户
回答已采纳
发布于 2017-06-01 05:24:07
获取以下json字符串
{ "downlinkData" : "deadbeefcafebabe"}创建json对象( Lib : java-json.jar )
JSONObject obj = new JSONObject();将上面的json字符串放入json对象中。
obj.put("333ee", jsonString);，它将创建以下json字符串
{
"333ee" : { "downlinkData" : "deadbeefcafebabe"}
}我希望这能帮到你。:-)
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原文链接：
https://stackoverflow.com/questions/44292729
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