Setting up JavaBean through introspection mechanism

First, step:

1) Use the PropertyDescriptor class to get the property descriptor object

// the Name property of the PD reference student New PropertyDescriptor ("name", Student.  Class);

2) set by the Getwritemethod () method +invoke () method

// equivalent to getting setname () Method m = pd.getwritemethod ();        " Berrry ");

3) get through the Getreadmethod () method +invoke () method

// equivalent to getting getname ()m=null);

Second, through the beaninfo to traverse all the properties and to set

1) Get BeanInfo object by static method Getbeaninfo () method of Introspector class

// BeanInfo represents all property collection objects for the student object BeanInfo bi = introspector.getbeaninfo (Student.  Class);

2) Get all property collections

// gets the collection of all attributes for the student object propertydescriptor[] pds = Bi.getpropertydescriptors ();

3) As above: through the Getwritemethod () and the Getreadmethod () + Invoke () method to do the corresponding operation.

Setting up JavaBean through introspection mechanism