addPixel
openDoc
待定
content
leftBar
topic：activePixelChangemessage：pixel
topic：editActiveAttrmessage：pixelAttr
project
createProject
scada Page
toolBar
editActiveAttr
Vuex Store
loadDocFromProject
订阅：openDoc、addPixel
addTab
pixelSelected、pixelUnselected
attr
MQ
loadActivePixelAttr
topic：addPixelmessage：pixelnfo
订阅：projectUpdate
topic：openDocmessage：doc
openProject
订阅：activePixelChange
topic：projectUpdatemessage：project
