initMixin实现_init(core/instance/init.js)
initLifecycle(vm)
vm.$parent/$root/$ref/$children
initEvents(vm)
vm._event
updateComponentListenners(vm, listeners
initRender(vm)
vm._c
vm.$crateElement
beforeCreate
initInjections(vm)
resolveIniect(vm.$options.inject, vm)
definReactive(vm, key, result[key])
initState(vm)
initP[rops
initMethods
initData
initComputed
initWatch
initProvide(vm)
vm._provide
created
stateMixin定义$data,$props,$set,$delete(core/instance/state.js)<br>
eventsMixin定义$on,$emit,$off,$once(core/instance/events.js)
lifecycleMixin定义<font color="#f44336">_update</font>,$forceUpdate,$destory(core/instance/lifecycle.js)
renderMixin定义两个实例方法$nextTick和<font color="#f44336">_render</font>(core/instance/render.js)
