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Let's define another initEvent function, which makes all ordinary objects have the function of publishing and subscribing, as follows:要知道凭借灵堂内几名项羽一系武将的实力，即便宋义头平武等人护卫，身首异处也只是瞬间。《神通乡巴佬》中，王宝强饰演一个叫“楚中天”的乡巴佬。因为小时候写自己的名字松散凌乱，“楚中天”被老师同学称呼为“林蛋大”。林蛋大嫌自己相貌丑陋，发誓要娶个漂亮媳妇改善下一代的基因，于是揣着20万老本进城去实现自己的理想。路上遇见了穷困潦倒的中年男人朱肚皮（朱月坡），朱月坡为给儿子出国留学凑齐保证金，使用“骗术”，瞄准了林蛋大兜里的钱。Assemble the bean in an xml file:我正愁在南边没个亲人哩。3. Some types, such as the core trading engine of the exchange, control the trading process. If multiple types can be created, the system will be completely chaotic. (For example, if there are multiple commanders in an army who command at the same time, there will definitely be a mess), so only by using the singleton mode can the core transaction server independently control the whole process. The following is an analysis of some examples that we need to pay attention to when applying singleton pattern in the development process.