1.methods
- bind can only be declared a page, catch an event, you can not declare custom methods
- Custom methods should follow methods same level
2.wepy open promise
- When you create a template in wepy framework, and does not turn promise, to open asynchronous, we need to be installed in the root directory:
npm install wepy-async-function -S
- app.wpy then introduced in the
import 'wepy-async-function' ;
After introduction opening app.wpy promise in the
constructor () {
Super ();
this.use ( 'promisify');
}
attention must be turned on app.wpy, the opening will be given in the page
_this.use () is not a function
3. acquiring asynchronous data
using the page promise acquire asynchronous data, asynchronous data directly to render the page, the data can not be displayed
using this. $ Apply () method
this.apply () usage scene
1. asynchronous update data
2. Manual refresh dom
