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SAP ui5 application development tutorial 104 - multi select support for SAP ui5 table controls and how to use code to select multiple table row items at a time

2022-07-01 22:48:00 【Wang Zixi】

One suit SAP UI5 A step-by-step learning tutorial for beginners

Author's brief introduction

Jerry Wang,2007 After graduating from the University of Electronic Science and technology with a master's degree in computer science, he joined SAP Chengdu Research Institute has worked so far .Jerry yes SAP Community mentors ,SAP Chinese technical Ambassador . In a 15 Year of SAP Standard product development career ,Jerry Once participated in SAP Business ByDesign, SAP CRM, SAP Cloud for Customer, SAP S/4HANA, SAP Commerce Cloud( E-commerce cloud ) And other standard products .

Jerry Use in work ABAP, Java, JavaScript and TypeScript Development , Yes, including SAP UI5 More than one SAP Self research framework has in-depth research .

Tutorial directory

explain

Jerry from 2014 To join in SAP Chengdu Research Institute CRM Fiori After that, the development team began to contact SAP UI5, Once in the SAP Communities and “ Wang Zixi ” There are many articles on WeChat official account SAP UI5 Working principle and source code analysis article .

stay Jerry This article Yes SAP UI5 A novice who knows nothing , Which materials are better to start with ？ It was mentioned that ,Jerry Also from the SAP UI5 Rookies come all the way , Knowing that only ABAP Developers with development background , towards SAP UI5 It is not easy to transform the development field , So I designed this job in my spare time SAP UI5 Different levels Learning tutorials for learners , Develop a complete SAP UI5 Application process , Split into several steps , Make every effort to , Cover all the knowledge points involved in .

These knowledge points may not be like mine UI5 The source code analysis series is so in-depth , But try to explain in simple terms , Important knowledge points are accompanied by detailed screenshots to assist the text introduction , Facilitate the understanding of tutorial learners .

The source code for each step of this tutorial , All stored in my Github On , Use folders separately 01,02,03 Wait to identify , For example, steps 1 The source code of is here .

Each step is based on the previous step , Added several new features . Suggest zero basis or to SAP UI5 Little known SAP UI5 beginner , Learn step by step from the first step in order , Download the code locally , With the text explanation of the tutorial , Do it yourself , To deepen understanding .

For already There is a certain foundation Of SAP UI5 Developer , You can use the contents of this article , Skip the previous basic chapter , Direct selection is related to your work project , Or include some knowledge points and chapters that you haven't mastered yet to study pertinently .

If you have any questions about each step of the tutorial , Welcome to give me comments in the corresponding step article of the tutorial , Leave a message . Although I am usually busy with development , But I promise I will check the comments you left me regularly , For the technical questions involved , I will Take time to answer .

Learners with this tutorial , Leave a message under my article , Consult about SAP UI5 Table controls use code to check (Multi-Select) The problem of . This article will answer this question .

We're in the second part of this tutorial 66 Enhance on the basis of steps .

Enter folder 104, Execute the command line ui5 serve, Visit below url：

http://localhost:8080/webapp/index.html

You can see that a new one called Select User The button .

After clicking , All ages in the whole table Greater than or equal to 25 Line items corresponding to year-old users , Will be automatically selected .

The effect is as follows ：

Click this button again , All selected line items will be deselected , The table returns to the group head up at the initial rendering . therefore , This example , Demonstrates how to use code to select a table at one time Multiple line items , And how to realize the selection status of table line items .

In the actual project , This way of encoding , According to some rules , It is useful to automatically select some row items in the table , It can save the complicated operation of users' manual clicking , Improve user productivity .

below Is the specific implementation steps .

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