获取属性 修饰符:【在Field[]循环中使用】 String modifier = Modifier.toString(fields[i].getModifiers()); /*** 根据属性名获取属性值 **/privateObject getFieldValueByName(String fieldName, Object o) {try{ String firstLetter= fieldName.substring(0, 1).toUpperCase(); String getter= "get" + fir...
}MyClassmyObject=newMyClass();ObjectMappermapper=newObjectMapper();Stringjson=mapper.writeValueAsString(myObject);// 序列化// 反序列化(这里不直接展示,因为目的是获取值而不是重新创建对象)// 但你可以通过解析JSON字符串来获取值System.out.println(json);// 输出:{"name":"John Doe","age":30}//...
Field field = object.getClass().getDeclaredField(propertyName); field.setAccessible(true); return field.get(object); } /** * zhangpf :因为getFieldValue()方法,无法读取super class的属性的值; * 所以本方法做出扩展,允许读取super class的属性的值; * @param object * @param propertyName * @retur...
get(obj)方法用于获取字段的值,obj是要获取值的对象。 3. 示例代码 下面是一个完整的示例代码: importjava.lang.reflect.Field;publicclassMain{publicstaticvoidmain(String[]args)throwsNoSuchFieldException,IllegalAccessException{Personperson=newPerson("Alice",25);StringfieldName="name";Objectvalue=getValueBy...
* Returns a hash code value for the object. This method is * supported for the benefit of hash tables such as those provided by * {@link java.util.HashMap}. */publicnative inthashCode(); 这个方法的注释比较长,就不放出来了。注释指出: ...
JDK中ObjectOuputStream和ObjectInputStream为输出输入流,只有实现SeriaLizable/Externalizable接口的类才能被序列化。如Person对象传递给内存流使用DataConstractJsonSeralizer, MemoryStream stream = new MemoryStream(); DataConstractJsonSeralizer SER = new DataConstractJsonSeralizer(typeof(person)); ser.writeObject...
* @param fieldName 字段名称,支持多级,如:name person.student.className * @param data 需要从里面提前字段值的对象 */ public static Object recursionGetFieldValueByReflect(String fieldName, Object data) throws Exception { // fieldName 是否包含 , ...
Field.GetInt(Object) 方法 參考 意見反應 定義 命名空間: Java.Lang.Reflect 組件: Mono.Android.dll 取得型別的靜態或實例字段 int 值,或可透過擴大轉換轉換成型 int 別的另一個基本類型。 C# 複製 [Android.Runtime.Register("getInt", "(Ljava/lang/Object;)I", "")] public int GetInt(Java...
format(String pattern, Object... arguments) static method De-serializing a MessageFormat object with an ArgumentIndex value at or over the limit will throw an InvalidObjectException. Bug Fixes This release also contains fixes for security vulnerabilities described in the Oracle Critical Patch Update ...
Namespace: Java.Lang.Reflect Assembly: Mono.Android.dll Gets the value of a static or instance field of typedoubleor of another primitive type convertible to typedoublevia a widening conversion. C# [Android.Runtime.Register("getDouble","(Ljava/lang/Object;)D","")]publicdoubleGetDouble(Java....