9-4DAO Home Large connector Dao layer implementation and calls -1

HomeModel most critical factory method. The factory methods and other factory methods is slightly different.


Map which first receives the value into a List




dao layer


Need http request, you need to install a plugin.



Import this package, and this package to change the name of


the interface which has the characters are Chinese. Receiving a request json default data, is acquired garbled.



A decoder for decoding

a normal request and thrown

Test http request

home_page
define a variable data returned by the backend resultString represented, set the default value is a null

variable impressions here


override a method




first calls super parent class constructor. Then call loadData ();



fails.


Using async and await

case of failure, combined with try catch


 

End

 

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Origin www.cnblogs.com/wangjunwei/p/12205186.html