Java反射工具类，java工具类, import j

Java反射工具类，java工具类, import j

    import java.lang.reflect.Array;             import java.lang.reflect.Constructor;             import java.lang.reflect.Field;             import java.lang.reflect.InvocationTargetException;      import java.lang.reflect.Method;      public class Reflection {          /**                  * 得到某个对象的公共属性                  *                  * @param owner, fieldName                  * @return 该属性对象                  * @throws Exception                  *                  */                   public Object getProperty(Object owner, String fieldName) throws Exception {                        Class ownerClass = owner.getClass();                        Field field = ownerClass.getField(fieldName);                        Object property = field.get(owner);                         return property;                     }                     /**                  * 得到某类的静态公共属性                  *                  * @param className   类名                  * @param fieldName   属性名                  * @return 该属性对象                  * @throws Exception                  */                   public Object getStaticProperty(String className, String fieldName)                            throws Exception {                        Class ownerClass = Class.forName(className);                        Field field = ownerClass.getField(fieldName);                        Object property = field.get(ownerClass);                        return property;                     }                     /**                  * 执行某对象方法                  *                  * @param owner                  *            对象                  * @param methodName                  *            方法名                  * @param args                  *            参数                  * @return 方法返回值                  * @throws Exception                  */                   public Object invokeMethod(Object owner, String methodName, Object[] args)                            throws Exception {                        Class ownerClass = owner.getClass();                        Class[] argsClass = new Class[args.length];                        for (int i = 0, j = args.length; i < j; i++) {                            argsClass[i] = args[i].getClass();                        }                        Method method = ownerClass.getMethod(methodName, argsClass);                        return method.invoke(owner, args);                    }                      /**                  * 执行某类的静态方法                  *                  * @param className                  *            类名                  * @param methodName                  *            方法名                  * @param args                  *            参数数组                  * @return 执行方法返回的结果                  * @throws Exception                  */                   public Object invokeStaticMethod(String className, String methodName,                            Object[] args) throws Exception {                        Class ownerClass = Class.forName(className);                        Class[] argsClass = new Class[args.length];                        for (int i = 0, j = args.length; i < j; i++) {                            argsClass[i] = args[i].getClass();                        }                        Method method = ownerClass.getMethod(methodName, argsClass);                        return method.invoke(null, args);                    }                     /**                  * 新建实例                  * @param className  类名               * @param args    构造函数的参数                * 如果无构造参数，args 填写为 null               * @return 新建的实例                  * @throws Exception                  */                   public Object newInstance(String className, Object[] args,Class[] argsType) throws NoSuchMethodException, SecurityException, ClassNotFoundException,              InstantiationException, IllegalAccessException,              IllegalArgumentException, InvocationTargetException        {                        Class newoneClass = Class.forName(className);                        if(args == null){                        return newoneClass.newInstance();                   }else{         //             Class[] argsClass = new Class[args.length];             //      //             for (int i = 0, j = args.length; i < j; i++) {             //                 argsClass[i] = args[i].getClass();             //             }             //      //             Constructor cons = newoneClass.getConstructor(argsClass);                      Constructor cons = newoneClass.getConstructor(argsType);                     return cons.newInstance(args);                       }                }                     /**                  * 是不是某个类的实例                  * @param obj 实例                  * @param cls 类                  * @return 如果 obj 是此类的实例，则返回 true                  */                   public boolean isInstance(Object obj, Class cls) {                        return cls.isInstance(obj);                    }                     /**                  * 得到数组中的某个元素                  * @param array 数组                  * @param index 索引                  * @return 返回指定数组对象中索引组件的值                  */                   public Object getByArray(Object array, int index) {                        return Array.get(array,index);                    }               public Class<?> GetClassListByPackage(String pPackage) {                 Package _Package = Package.getPackage(pPackage);                 Class<?> _List =   _Package.getClass();                 return _List;             }      }