mounted
console.log(this)
vue
imageSrc createdapi
vuex
computed
/ / Please paste the code text below (do not replace the code with pictures)
mounted
console.log (this) , in fact, imageSrc does not necessarily have
, but later if the api request is completed. Opening it in devTools displays the latest obj . So you can see that this has imageSrc
use computed and watch to execute. Obtained asynchronously in create . There is no guarantee that it must be before mounted
created is synchronized to mounted and will certainly be executed earlier than api .
wait for the API to be adjusted before taking a value, or watch
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