How to use the SAP UI5 drop-down menu (Select) control

A set of step-by-step learning tutorials for SAP UI5 beginners

About the Author

Jerry Wang, joined the SAP Chengdu Research Institute after graduating from the University of Electronic Science and Technology of China with a master's degree in computer science in 2007. Jerry is a SAP Community Mentor and a SAP China Technology Ambassador. In his 15-year career in SAP standard product development, Jerry has participated in the research and development of standard products such as SAP Business ByDesign, SAP CRM, SAP Cloud for Customer, SAP S/4HANA, and SAP Commerce Cloud (e-commerce cloud).

Jerry uses ABAP, Java, JavaScript and TypeScript for development, and has in-depth research on various SAP self-developed frameworks including SAP UI5.

Tutorial Directory

• The establishment of SAP UI5 local development environment
• One of the SAP UI5 application development tutorials: Hello World
• SAP UI5 application development tutorial 2: Bootstrap of the bootstrap process of SAP UI5
• SAP UI5 Application Development Tutorial 3: Getting Started with the First SAP UI5 Control
• SAP UI5 Application Development Tutorial No. 4: A Preliminary Exploration of XML View
• SAP UI5 Application Development Tutorial No. 5: A Preliminary Exploration of View Controllers
• SAP UI5 application development tutorial six - understand the concept of module (Module) of SAP UI5
• SAP UI5 Application Development Tutorial No. 7 - A Preliminary Study of JSON Model
• SAP UI5 Application Development Tutorial No. 8-Multilingual Support
• SAP UI5 Application Development Tutorial No. 9 - Create the first Component
• The tenth of the SAP UI5 application development tutorial - what is the descriptor of the SAP UI5 application
• SAP UI5 Application Development Tutorial Eleven: SAP UI5 Container Class Controls Page and Panel
• SAP UI5 Application Development Tutorial Twelve - Use CSS Classes to Further Beautify the UI
• SAP UI5 Application Development Tutorial Thirteen - How to Add Custom CSS Classes
• SAP UI5 Application Development Tutorial No. 14 - How to Use Embedded Views
• SAP UI5 Application Development Tutorial No. 15 - How to Use Dialog Boxes and Fragments
• SAP UI5 application development tutorial sixteen - the use of icon icon
• SAP UI5 Application Development Tutorial Seventeen - Use of Aggregate Binding in UI5 Composite Controls
• SAP UI5 Application Development Tutorial No. 18 - Special symbols in SAP UI5 data binding syntax, and detailed explanation of absolute binding and relative binding concepts
• SAP UI5 Application Development Tutorial No. 19 - SAP UI5 Data Types and Complex Data Binding
• SAP UI5 Application Development Tutorial Twenty-Explanation of Expression Binding Usage of SAP UI5
• SAP UI5 Application Development Tutorial 21 - Custom Formatter for SAP UI5
• SAP UI5 Application Development Tutorial No. 22 - Development and Use of Filter
• SAP UI5 Application Development Tutorial No. 23 - Sorting and Grouping of List Controls
• SAP UI5 Application Development Tutorial No. 24 - How to Use OData Data Model
• SAP UI5 Application Development Tutorial No. 25 - Using a Proxy Server to Solve the Cross-domain Problem of SAP UI5 Application Accessing Remote OData Services
• SAP UI5 Application Development Tutorial No. 26 - Detailed explanation of the use steps of OData service with Mock server
• SAP UI5 Application Development Tutorial No. 27 - Introduction to QUnit, the Unit Testing Tool for SAP UI5 Applications
• SAP UI5 Application Development Tutorial No. 28 - Introduction to OPA, the Integration Test Tool for SAP UI5 Applications
• SAP UI5 Application Development Tutorial No. 29 - Introduction to the routing and navigation functions of SAP UI5
• SAP UI5 Application Development Tutorial No. 30 - Parameter passing in the routing process of SAP UI5
• SAP UI5 Application Development Tutorial No. 31 - Routing back and history of SAP UI5
• SAP UI5 Application Development Tutorial No. 32 - How to Create a Custom SAP UI5 Control
• SAP UI5 Application Development Tutorial No. 33 - Responsiveness of SAP UI5 Application
• SAP UI5 Application Development Tutorial No. 34 - Device Adaptation of SAP UI5 Application Based on Device Type
• SAP UI5 Application Development Tutorial No. 35 - How to Deploy a Locally Developed SAP UI5 Application to the ABAP Server
• SAP UI5 Application Development Tutorial No. 36 - Use Chrome Developer Tools Elements Tag to Dynamically Modify CSS Classes
• SAP UI5 Application Development Tutorial No. 37 - Element Review Using Chrome Developer Tools Console Panel
• SAP UI5 Application Development Tutorial No. 38 - Use Chrome Developer Tools to View Context Information when Program Execution Errors
• SAP UI5 Application Development Tutorial No. 39 - Some common errors and analysis methods of white screen in SAP UI5 applications
• SAP UI5 Application Development Tutorial No. 40 - How to make a SAP UI5 release version including component-preload.js
• SAP UI5 Application Development Tutorial No. 41 - Offline Installation and Use of Chrome Extension UI5 Inspector
• SAP UI5 Application Development Tutorial No. 42 - Introduction to the use of the Diagnostics tool that comes with SAP UI5
• SAP UI5 Application Development Tutorial No. 43 - Introduction to the use of the Support Assistant tool that comes with SAP UI5
• SAP UI5 Application Development Tutorial No. 44-Cause Analysis and Solution of Label and Input Control Text Not Aligned Horizontally
• SAP UI5 Application Development Tutorial No. 45 - How to use jQuery and native DOM API in SAP UI5 application
• SAP UI5 Application Development Tutorial No. 46 - Using Message Manager to Implement Out-of-the-Box Validation Information Throwing
• SAP UI5 Application Development Tutorial No. 47 - How to Customize the Validation Logic of SAP UI5 String Type Input Fields
• SAP UI5 Application Development Tutorial No. 48 - How to Develop Barcode Scanning Function in SAP UI5 Application
• SAP UI5 Application Development Tutorial No. 49 - How to debug SAP UI5 applications running on mobile phones on the desktop computer
• SAP UI5 Application Development Tutorial Fifty - How to use Cordova to generate a SAP UI5 application into a hybrid application that can be installed on Android phones
• SAP UI5 Application Development Tutorial No. 51 - How to use Chrome to debug SAP UI5 Cordova hybrid applications running on mobile phones
• SAP UI5 Application Development Tutorial No. 52 - How to use the standard controls of SAP UI5 combined with the Cordova plug-in to call the mobile phone camera for barcode scanning
• SAP UI5 Application Development Tutorial No. 53 - How to Customize SAP UI5 Data Type (Data Type)
• SAP UI5 Application Development Tutorial No. 54 - How to configure the local SAP UI5 application into the local Fiori Launchpad
• SAP UI5 Application Development Tutorial No. 55 - How to Deploy a Local SAP UI5 Application to the Public Network through Node.js Express
• SAP UI5 Application Development Tutorial No. 56 - Development of SAP UI5 Tree Control (tree)
• SAP UI5 Application Development Tutorial No. 57 - Learning how to use Smart Field based on OData annotations
• SAP UI5 application development tutorial fifty-eight - use factory methods to dynamically create different types of list line item controls at runtime
• SAP UI5 Application Development Tutorial No. 59 - How to Display the World Map in SAP UI5 Application
• SAP UI5 application development tutorial sixty-some advanced usage of SAP UI5 map control
• SAP UI5 Application Development Tutorial No. 61 - Drawing Gantt Chart in SAP UI5 Application
• SAP UI5 Application Development Tutorial No. 62 - Introduction to the Use of SAP UI5 Form Control Based on OData V4
• SAP UI5 Application Development Tutorial No. 63 - In-depth introduction to the implementation of local Mock Server based on OData V4
• SAP UI5 Application Development Tutorial No. 64 - How to implement filter (filtering) and sort (sorting) functions in SAP UI5 table control based on OData V4
• SAP UI5 Application Development Tutorial No. 65 - How to Create, Edit and Save the SAP UI5 Form Control Based on OData V4
• SAP UI5 Application Development Tutorial No. 66 - How to implement the delete function in the SAP UI5 form control based on OData V4
• SAP UI5 Application Development Tutorial No. 67 - Implementation of SAP UI5 List-Detail (List-Detail) Layout Based on OData V4
• SAP UI5 Application Development Tutorial No. 68 - How to display a custom NOT Found page when SAP UI5 routing fails
• SAP UI5 Application Development Tutorial No. 69 - How to jump back to the normal application page from the SAP UI5 Not Found page
• SAP UI5 Application Development Tutorial No. 70 - How to Use Button Control to Trigger Page Routing Jump
• SAP UI5 Application Development Tutorial No. 71 - Nested Routing of SAP UI5 Pages
• SAP UI5 Application Development Tutorial No. 72 - Animation Effect Settings for SAP UI5 Page Routing
• SAP UI5 Application Development Tutorial No. 73 - Using Custom Query to Implement the Bookmark Function of SAP UI5 Page Routing
• SAP UI5 Application Development Tutorial No. 74 - A trap of using OData V4 to display Table data in SAP UI5 application
• SAP UI5 Application Development Tutorial No. 75 - How to use the linkage technology of SAP UI5 master-slave form to display complex table content
• SAP UI5 Application Development Tutorial No. 76 - How to Implement Lazy Loading of SAP UI5 (Lazy Loading, Lazy Loading)
• SAP UI5 application development tutorial seventy-seven - advanced usage of SAP UI5 dynamic page routing: one-to-many relationship between routing records routes and target
• SAP UI5 application development tutorial seventy-eight - how to maintain the state of SAP UI5 search through url, let it support bookmark function
• SAP UI5 Application Development Tutorial No. 79 - Using Test Driven Development for Functional Development of SAP UI5 Applications (1)
• SAP UI5 Application Development Tutorial No. 80 - Using Test Driven Development for Functional Development of SAP UI5 Applications (2)
• SAP UI5 Application Development Tutorial No. 81 - An example of using OPA5 for SAP UI5 Integration Test (Integration Test)
• SAP UI5 Application Development Tutorial No. 82 - Using OPA5 to develop SAP UI5 integration test cases that support page jumping
• SAP UI5 Application Development Tutorial No. 83 - Introduction to the Development Steps of the Automated Test Suite Page for SAP UI5
• SAP UI5 Application Development Tutorial No. 84 - How to specify SAP UI5 application to run based on a specific version
• SAP UI5 Application Development Tutorial No. 85 - How to use OPA5 to write test cases to test the function of user input text
• SAP UI5 Application Development Tutorial No. 86 - Hands-on Development of a Simplest Local Mock Data Server
• SAP UI5 Application Development Tutorial No. 87 - How to Make SAP UI5 Mock Server Support Custom URL Parameters
• SAP UI5 Application Development Tutorial No. 88 - How SAP UI5 Mock Server Implements Custom Function Import
• SAP UI5 Application Development Tutorial No. 89 - How to Add Multiple Graphical Interface Filters to the SAP UI5 List Control
• SAP UI5 Application Development Tutorial No. 90 - Implementation of SAP UI5 List-Detail (List-Detail) Layout Based on OData V2
• SAP UI5 Application Development Tutorial No. 91 - How to Build a List Page in a Master-Detail-Detail Layout Using the Client-Side JSON Model
• SAP UI5 Application Development Tutorial No. 92 - Premise of Table Pagination Based on SAP UI5 JSONModel Client Model
• SAP UI5 Application Development Tutorial No. 93 - In-depth discussion of data display of list controls based on JSONModel data model
• SAP UI5 Application Development Tutorial No. 94 - A Complete Solution for Paging Display Data of SAP UI5 List Control Based on JSONModel Data Model
• SAP UI5 application development tutorial ninety-five - how to use the SAP UI5 drop-down menu (Select) control

illustrate

Jerry has been in touch with SAP UI5 since joining the CRM Fiori development team of SAP Chengdu Research Institute in 2014. He has published many articles on the working principle and source code analysis of SAP UI5 in the SAP community and the WeChat public account "Wang Zixi".

In Jerry's article , a novice who knows nothing about SAP UI5, which materials are better to start with? As I mentioned, Jerry has come all the way from SAP UI5 rookie. He knows that it is not easy for developers with only ABAP development background to transform to SAP UI5 development field, so I designed this learning tutorial for SAP UI5 beginners in my spare time. , Divide the process of developing a complete SAP UI5 application into several steps, and strive to cover all the knowledge points involved in each step. These knowledge points may not be as in-depth as my UI5 source code analysis series articles, but strive to be easy to understand and easy for SAP UI5 beginners to understand.

The source code of each step of this tutorial is stored on my Github , identified by folders 01, 02, 03, etc. For example, the source code of step 1 is here .

Each step builds on the previous step with several new features added. It is recommended for beginners with zero foundation or little knowledge of SAP UI5 to learn step by step from the first step in order, download these codes to the local, cooperate with the text explanation of the tutorial, and do it yourself to deepen your understanding.

If you have any questions about each step of the tutorial, you are welcome to comment and leave a message in the article corresponding to the steps of the tutorial.

In the previous step of this tutorial, we have implemented a simple SAP UI5 table paging display requirement, the effect is as follows:

In the next steps of this tutorial, we will optimize the application that has been completed step by step.

At present, the number of products displayed on each page is hard-coded as 20. In this step, we will optimize this hard-coding, allowing users to specify the size of the page, which can be selected from three sizes of 20, 30 and 50. Therefore, it is necessary to learn how to use the drop-down menu in SAP UI5, ie sap.m.Select to provide users with choices.

In this step, we will not consider the paging display of SAP UI5 tables for the time being, and first learn how to use sap.m.Select .

Open link:

http://localhost:8080/index.html

You can see the following drop-down menu page:

The source code for the implementation of this drop-down menu is located in Page.view.xml , please refer to this link for key points.