java中遍歷實體類屬性和類型，屬性值

public static void testReflect(Object model) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException{
        Field[] field = model.getClass().getDeclaredFields();        //獲取實體類的所有屬性，返回Field數組 
        for(int j=0 ; j<field.length ; j++){     //遍歷所有屬性
                String name = field[j].getName();    //獲取屬性的名字
               
                System.out.println("attribute name:"+name);    
                name = name.substring(0,1).toUpperCase()+name.substring(1); //將屬性的首字符大寫，方便構造get，set方法
                String type = field[j].getGenericType().toString();    //獲取屬性的類型
                if(type.equals("class java.lang.String")){   //如果type是類類型，則前面包含"class "，后面跟類名
                    Method m = model.getClass().getMethod("get"+name);
                    String value = (String) m.invoke(model);    //調用getter方法獲取屬性值
                    if(value != null){

                        System.out.println("attribute value:"+value);
                    }
                }
                if(type.equals("class java.lang.Integer")){    
                    Method m = model.getClass().getMethod("get"+name);
                    Integer value = (Integer) m.invoke(model);
                    if(value != null){
                        System.out.println("attribute value:"+value);
                    }
                }
                if(type.equals("class java.lang.Short")){    
                    Method m = model.getClass().getMethod("get"+name);
                    Short value = (Short) m.invoke(model);
                    if(value != null){
                        System.out.println("attribute value:"+value);                    }
                }      
                if(type.equals("class java.lang.Double")){    
                    Method m = model.getClass().getMethod("get"+name);
                    Double value = (Double) m.invoke(model);
                    if(value != null){                   
                        System.out.println("attribute value:"+value); 
                    }
                }                 
                if(type.equals("class java.lang.Boolean")){
                    Method m = model.getClass().getMethod("get"+name);   
                    Boolean value = (Boolean) m.invoke(model);
                    if(value != null){                     
                        System.out.println("attribute value:"+value);
                    }
                }
                if(type.equals("class java.util.Date")){
                    Method m = model.getClass().getMethod("get"+name);                   
                    Date value = (Date) m.invoke(model);
                    if(value != null){
                        System.out.println("attribute value:"+value.toLocaleString());
                    }
                }               
            }
    }