public class ResultDate implements Serializable{
// 定义jackson对象
private static final ObjectMapper MAPPER = new ObjectMapper();
// 响应业务状态
private Integer status;
// 响应消息
private String msg;
// 响应中的数据
private Object data;
public static ResultDate build(Integer status, String msg, Object data) {
return new ResultDate(status, msg, data);
}
public static ResultDate ok(Object data) {
return new ResultDate(data);
}
public static ResultDate ok() {
return new ResultDate(null);
}
public ResultDate() {
}
public static ResultDate build(Integer status, String msg) {
return new ResultDate(status, msg, null);
}
public ResultDate(Integer status, String msg, Object data) {
this.status = status;
this.msg = msg;
this.data = data;
}
public ResultDate(Object data) {
this.status = 200;
this.msg = "OK";
this.data = data;
}
// public Boolean isOK() {
// return this.status == 200;
// }
public Integer getStatus() {
return status;
}
public void setStatus(Integer status) {
this.status = status;
}
public String getMsg() {
return msg;
}
public void setMsg(String msg) {
this.msg = msg;
}
public Object getData() {
return data;
}
public void setData(Object data) {
this.data = data;
}
/**
* 将json结果集转化为ResultDate对象
*
* @param jsonData json数据
* @param clazz ResultDate中的object类型
* @return
*/
public static ResultDate formatToPojo(String jsonData, Class<?> clazz) {
try {
if (clazz == null) {
return MAPPER.readValue(jsonData, ResultDate.class);
}
JsonNode jsonNode = MAPPER.readTree(jsonData);
JsonNode data = jsonNode.get("data");
Object obj = null;
if (clazz != null) {
if (data.isObject()) {
obj = MAPPER.readValue(data.traverse(), clazz);
} else if (data.isTextual()) {
obj = MAPPER.readValue(data.asText(), clazz);
}
}
return build(jsonNode.get("status").intValue(), jsonNode.get("msg").asText(), obj);
} catch (Exception e) {
return null;
}
}
/**
* 没有object对象的转化
*
* @param json
* @return
*/
public static ResultDate format(String json) {
try {
return MAPPER.readValue(json, ResultDate.class);
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
/**
* Object是集合转化
*
* @param jsonData json数据
* @param clazz 集合中的类型
* @return
*/
public static ResultDate formatToList(String jsonData, Class<?> clazz) {
try {
JsonNode jsonNode = MAPPER.readTree(jsonData);
JsonNode data = jsonNode.get("data");
Object obj = null;
if (data.isArray() && data.size() > 0) {
obj = MAPPER.readValue(data.traverse(),
MAPPER.getTypeFactory().constructCollectionType(List.class, clazz));
}
return build(jsonNode.get("status").intValue(), jsonNode.get("msg").asText(), obj);
} catch (Exception e) {
return null;
}
}
}
接口相应返回的json格式工具类
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转载自blog.csdn.net/tonglei111/article/details/106624307
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