AJ DataService Introduction

Quickly build CRUD interface services by writing SQL business logic (or even no code at all!)

— The easiest way: zero code. Configure parameters on the page, SQL is automatically generated and converted into HTTP API.

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In Java enterprise development, writing Model, DAO, Service, and Controller code is often a tedious and repetitive task. AJ DataService was created to solve this problem. Depending on the complexity of the business logic, DataService can be used in the following three modes:

• Basic data: These tables typically have little or only simple business logic. You can use DataService to create generic CRUD services.
• Custom business logic: Not limited to simple CRUD, but can still be implemented using SQL. No need to write additional Java business code. Particularly suitable for backend interface development for BI reports or data visualization dashboards.
• Complex business logic: Requires both Java and SQL working together. In this case, DataService can still act as an ORM mechanism, functioning as a Data Access Object (DAO) that returns Java Bean entities.

DataService is not a code generator. More accurately, it abstracts common CRUD tasks and makes them configurable, serving as a rapid business development tool.