scenario: write an order (order master record and order detail record) json backend service layer has added api order_master func: add order_detail func: add ask whether the detail record in json is inserted by controller ca...
there are several problems in the process of learning architecture: some Service layers will call other Dao layers, for example, UserService will call UserPositionDao UserBookDao some Service layers will call other Service layers, for example, Use...
there is a class that has a lot of properties. Now I have a lot of other roles. Different roles use different fields. What design pattern do you use? ...
each person starts the game with a different Rank (a total of 14 Rank) and selects two people to answer the question pk,. How to design this algorithm? suppose that after I click to start the game, I send my request to enter a game to the server, and ...
the company has two Wifi that are both telecom, and the online server has access to port 3306. when making a connection, it will connect for a long time, and then timeout or return an error. prompt ERROR 2026 (HY000): SSL connection error: error:00...
topic description the multi-dimensional array obtained from the background is parsed to form a multi-box interface. After multiple selections, the data is submitted, and then the data is sent back to the background, but the format of the incoming data...
you can view directly or . Can be implemented? Cross-domain is not cross-domain, mainly because there is no train of thought. ...
as detailed in the title: Please use the programming language you are familiar with to implement a function that compares the size of any two software versions, such as 1.2.3a and 1.2.4b, whose version number is larger. Please consider various situa...
1.vue.js uses axios to send requests to the background. The passing parameters include an object, and a string. object to the background with javaBean, and String to the background with String. 2. The foreground code is as follows: data() { retu...