天堂AV在线AV

The above is compiled from the post-war oral memories of Kang Yuanlian, the company commander of the 2nd Company who took part in the 142 battle earlier, and Liu Guangyuan, Wang Zeduan and Zhao Mingkai, the soldiers who were responsible for guarding the 142 position and took part in the whole process of fighting the two "living biological weapons" of the Vietnamese army.城门口的守兵不是很多，而且根本没有防备，骤然被越军袭击，一时间竟然有些懵了。The reason why the logic for creating an object is put into a separate class is that it can be used by multiple clients. And separates the creation and use of objects. However, this design also has many defects. First of all, SimpleFactory is a specific class, so we must program for the implementation, making the system lose its flexibility in this respect. Second, if we add new products, we have to modify the code in SimpleFactory, which violates the opening and closing principle. The above model is also called simple factory. He does not appear in GOF mode, it is more like a programming habit.李长明沉吟道：要真是板栗和小葱，那你是要去帮他们。Let's start refactoring it step by step. The first step is still to provide the window.external.upload function to simulate the creation of the upload plug-in on the page. This part of the code has not changed:Right-click my computer and select PropertiesAfter 10 years of such a life, the second wife said that she was exhausted and wanted to split up. She wanted to hand over the responsibility of caring for the elderly to her eldest daughter-in-law. The proposal of "splitting up the family" was supported by his father Lao Jin, but his mother-in-law, the "ouchi manager", firmly opposed it-there was a contradiction between her mother-in-law and daughter-in-law.