u012922706的博客

JAVA对象jackson序列化json属性名变成小写的解决方案 有如下类： public class road { private int GREEN_TREE; public int getGREEN_TREE() { return GREEN_TREE; } public void setGREEN_TREE(int GREEN_TR

1、空值转换-异常情况： [html] view plain copy Can not instantiate value of type [map type; class java.util.HashMap, [simple type, class java.lang.String] -> [simple type, class java.lang.String]] from JSON Str