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Online shopping mall practice--backend functional modules

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Release: 2017-06-25 10:36:34
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Today’s task

  • Complete the backend function module

1.1 Implementation of the backend function of the online mall:

1.1 .1 Backend functional requirements:

1.1.1.1 Category management:

[Query all categories]

* Click Category Management in the left menu page:

* Submit to Servlet:

* Query all categories:

* Display on the page:

[Add Category]

* Click the [Add] button on the category list page.

* Submit to Servlet and jump to the add page.

* Enter the information and click the [OK] button.

* Submit to the Servlet to complete the function of saving the classification.

[Modify classification]

* Click the [Edit] link in the category list page:

* Submit to the Servlet for query.

* Display to the modification page.

* Modify the category information .Click the [OK] button.

* Submit it to the Servlet to complete the function of modifying the category.

[Delete Category]

* Click [Delete] on the category list page Link:

* Submit to Servlet.

* Page jump.

1.1.1.2 Product Management

[Query Product]

* Click [Product Management] in the left menu page

* Submit to Servlet for query.

* Display to the page.

[Add Product]

* Click the [Add] button on the product list page.

* Submit to Servlet: Query all categories.

* The page jumps to the add page.

* Enter information (including pictures) on the add page

* Click [OK]

* Submit to Servlet: file upload, data inserted into the database.

** *** File upload:

* Three elements:

* The submission method is POST:

* The form needs to have

* enctype=”multipart/form-data”

* File upload technology:

* Servlet3. 0

                                                                                                        -1.4.jar

* Struts2

* When using FileUpload:

* Obtain the disk file factory object:

* Obtain the core parsing class through the factory:

* Parse the request object and return the collection. The content in the collection is each part divided by the dividing line.

* Traverse each part:

【Removed Products】

* Click the 【Removed】link on the product list page.

* Submit to Servlet:

* Modify the status of the product:

* Page jump:

【Listed product】

* Add a listed product in the left menu:

* Select a product to put on the shelves.

1.1.1.3 Order Management

[Order Management]

Click [Order Management] in the left menu Link:

Query order (query order by status)

Page jump:

Effect picture:

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