java中遍历实体类属性和类型,属性值


public static void testReflect(Object model) throws NoSuchMethodException, IllegalAccessException, IllegalArgumentException, InvocationTargetException{
         Field[] field = model.getClass().getDeclaredFields();        //获取实体类的所有属性,返回Field数组  
         for(int j=0 ; j<field.length ; j++){     //遍历所有属性
                 String name = field[j].getName();    //获取属性的名字
                 
                 System.out.println("attribute name:"+name);     
                 name = name.substring(0,1).toUpperCase()+name.substring(1); //将属性的首字符大写,方便构造get,set方法
                 String type = field[j].getGenericType().toString();    //获取属性的类型
                 if(type.equals("class java.lang.String")){   //如果type是类类型,则前面包含"class ",后面跟类名
                     Method m = model.getClass().getMethod("get"+name);
                     String value = (String) m.invoke(model);    //调用getter方法获取属性值
                     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());
                     }
                 }                
             }
     }