public static void main(String[] args) {
EntityAccountInfo entityAccountInfo = new EntityAccountInfo();
JSONObject jsonObject = JSONObject.fromObject(entityAccountInfo);
System.out.println(jsonObject);
}
通過斷點發現,在轉換時將對象屬性中null轉成0.0了
解決方式:轉換時加入配置
public static void main(String[] args) {
EntityAccountInfo entityAccountInfo1 = new EntityAccountInfo();
EntityAccountInfo entityAccountInfo2 = new EntityAccountInfo();
ArrayList<EntityAccountInfo> list = new ArrayList<>();
list.add(entityAccountInfo1);
list.add(entityAccountInfo2);
JsonConfig jsonConfig = new JsonConfig();
jsonConfig.registerDefaultValueProcessor(Double.class, new DefaultValueProcessor() {
@Override
public Object getDefaultValue(Class aClass) {
return null;
}
});
JSONArray jsonObject = JSONArray.fromObject(list, jsonConfig);
System.out.println(jsonConfig);
}