一级理论和二级理论的区别

When I got home, my socks were not like what I was doing. I asked the weak one, boss, can I have another pair?哭了一会，渐渐能动了，翻了个身，觉得后脑勺疼得很，用手摸了一把，摸到老大一个包。本着言论自由，言谏透明的原则，徐阶对此书毫无表示，这样的千古骂文，竟一路绿灯送到了嘉靖手上。难道真得只能仰人鼻息，跟在天启后面，吃点汤汤水水、残羹剩饭？云海燕很不甘心。他隐约记得小时候，高凡曾告诉他，帮他找了个弟弟陪他什么的。Zheng Haonan Spokesman: 650,000 Zhen Ni Spokesman Every Three Years: 500,000 Yuan per YearFor example, I now need to create a div element on the page. Then we definitely need a function to create the div, Now all I need is this function, which is only responsible for creating div elements. It doesn't want to take care of the rest, That is, to realize the principle of single responsibility, Just like Kissy on Taobao, At the beginning, they defined Kissy to do only one thing and did it well. The specific instantiation class in the monomer mode was handled by the agent function. The advantage of doing so was that the specific business logic was separated. The agent only cared about the business logic of the agent. Here, the function of the agent was to instantiate the object and instantiate it only once. Create div code just create div, the others don't care; The following code: