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In the above code, we use three functions, order500, order200, orderNormal to handle its own business logic, If the current own function cannot handle things, We pass it to the following function to handle it. By analogy, Until there is a function that can handle him, Otherwise, the responsibility chain mode will leave the chain directly, telling that it cannot be processed and throwing an error prompt. Although the above code can be used as the responsibility chain mode, we can see from the above code that the Order500 function depends on functions such as Order200, so there must be this function, which also violates the open-closed principle in object-oriented. Let's continue to understand writing flexible and detachable responsibility chain nodes.这天，刀客练完刀，东方姑娘走上前，替刀客擦汗。中文系毕业的高材生蓝卓为了自己做家教时的一个承诺，陪上了自己的青春、理想和世人眼中的幸福，失去了最爱的女友，用自己最好的十年时光，悉心照顾一个被母亲遗弃的小女孩，直到女孩长大。蓝卓为了女孩的前途，瞒着亲人、朋友，隐瞒自己的病情，独自一人前往边疆支教。十几年间，蓝卓经历了情感丢失、结婚离婚、爱人离世等一系列的生离死别的痛苦，最终把女孩培养成人，但他却看不到女孩的幸福生活，因为，多年的积劳使他的双目失明。女孩最终没有和亲生妈妈去美国，留了下来，现在她要照顾这个她生命中最重要的人。武涉来的很快，连项羽都微微有些惊讶，这是随叫随到的。ViewGroup1. DispatchTouchEvent () returns false->后来的事情想必你也都知道了。