Java Management System Core Functions

Contents

1. 1. Backend
   1. 1.1. Global Functions
   2. 1.2. Module Functions
   3. 1.3. Others
2. 2. Frontend
   1. 2.1. Global Functions
   2. 2.2. Module Functions
3. 3. References

Backend

Global Functions

• Class hierarchy design.
• Authentication and authorization. Sign in and sign out. Session Expiration Time.
• Exception handling. Error message encapsulation.
• Method logging with AOP and annotations.
• File upload and download.
• Filter error request.
• Enable CORS(Cross-Origin Resource Sharing) on server-side.
• User, role, privilege. Data privilege and operation privilege.
• I18n (database value, Java string value, JSP element value)
• Prevent duplicate form submission.
• Using multiple data sources.
• Scheduling Tasks.
• Push messages to client browser pages. (implemented by WebSocket or Ajax loop call)

Module Functions

• Unit tests.
• RESTful API. CRUD.
• Request parameters to POJO. E.g. spring framework@ModelAttribute, @RequestBody.
• Data validation. E.g. spring framework@Validated).
• Type conversion. E.g. spring framework @DateTimeFormat for datetime, @JsonSerialize for enumeration).
• Data formatting. E.g. spring framework @JsonFormat for datetime, @JsonValue form enumeration).
• Service transaction.
• Persistence. CRUD.
• Data statistics.
• Data import from Excel file and export to Excel file.

Others

• HTTPS.
• Reverse Proxy Server.
• Cache.
• MySQL optimization. Indexing, optimizing schema and SQL.
• JVM optimization.
• DevOps. Git Flow, code review, test, package, deployment.

Frontend

Global Functions

• Website framework
  • Top bar <header>. (Logo, website name, user center link, login/logout)
  • Horizontal navigation bar <nav>.
  • Left vertical sidebar menu <aside>.
  • Breadcrumb.
  • Content area <main>, <section>, <article>. (Search, Table and pagination, Form)
  • Bottom footer <footer>.
• Utility JS
  • Go to pages.
  • Send CRUD HTTP requests. Submit form.
  • Initialize operation privilege.
  • Load components.
  • Others.
• File structure. Separated index, edit, view page.
• Prevent duplicate form submission.
• Alert success and error message.
• Send CORS Ajax request with jQuery.
• Push browser notifications.

Module Functions

• List page
  • Initialize operation privilege.
  • Initialize index page. Display breadcrumb, load search area elements (input, select, date time picker), display operation buttons row, load table and pagination, additionally, may load left area tree.
  • Index page add, edit, delete, search, import/export buttons bind events.
  • Search. Send request with form serialize or FormData.
  • Delete rows.
• Edit page
  • Initialize edit page title, form elements, and submit button. Form elements: input, radio, checkbox, select, select picker, file, rich text editor, date time picker, and input tags.
  • Add edit page bind events.
  • Form data validation. Show error messages.
  • Save or update. Submit form, send request with FormData or JSON.
• Other page
  • Statistical charts.
  • Complex page layout and style.

References

Semantic Elements in HTML