js对象浅拷贝和深拷贝详解 本文为大家分享了JavaScript对象的浅拷贝和深拷贝代码,供大家参考,具体内容如下 1.浅拷贝 拷贝就是把父对像的属性,全部拷贝给子对象. 下面这个函数,就是在做拷贝: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 var Chinese = { nation:'中国' } var Doctor = { career:'医生' } function extendCopy(p) { var c = {}; for (var i in p) {…
如果是经常使用Spring,特别有自己新建ApplicationContext对象的经历的人,肯定见过这么几条异常消息:1.LifecycleProcessor not initialized - call 'refresh' before invoking lifecycle methods via the context: ......2.BeanFactory not initialized or already closed - call 'refresh' before accessi…