Java 遍历对象属性,并将属性值不为空的取出.

Java 遍历对象属性,并将属性值不为空的取出.

public void getValue(SelectIdListDto selectIdListDto){
		Field[] field = selectIdListDto.getClass().getDeclaredFields();        
		for(int j=0 ; j<field.length ; j++){    
	        String name = field[j].getName();   
	          
	        name = name.substring(0,1).toUpperCase()+name.substring(1); 
	        String type = field[j].getGenericType().toString();  
	        if(type.equals("class java.lang.String")){   
	            Method m;
	            String value;
				try {
					m = selectIdListDto.getClass().getMethod("get"+name);
					value = (String) m.invoke(selectIdListDto);
	                if(value != null && !"".equals(value)){  
	                    System.out.println(name);
	                    System.out.println(value);
	                } 
				} catch (IllegalAccessException e) {
					e.printStackTrace();
				} catch (IllegalArgumentException e) {
					e.printStackTrace();
				} catch (InvocationTargetException e) {
					e.printStackTrace();
				} catch (NoSuchMethodException e) {
					e.printStackTrace();
				} catch (SecurityException e) {
					e.printStackTrace();
				}  
	             
	        }                   
		}
	}