java获取对象所有属性_获取一个 Object 对象的所有属性

Field[] fields = xxxx.class.getDeclaredFields();  // 获取实体类的所有属性，返回Field数组

fields[0].setAccessible(true );

field.getName();  // 获取字段名称

field.get("fieldName");  // 获取字段值

注：

1、setAccessible：

Set the accessible flag for this object to the indicated boolean value. A value of true indicates that the reflected object should suppress Java language access checking when it is used. A value of false indicates that the reflected object should enforce Java language access checks.

First, if there is a security manager, its checkPermission method is called with a ReflectPermission("suppressAccessChecks") permission.

A SecurityException is raised if flag is true but accessibility of this object may not be changed (for example, if this element object is a Constructor object for the class Class).

A SecurityException is raised if this object is a Con