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SAP ui5 beginner tutorial 19 - SAP ui5 data types and complex data binding

2022-07-01 00:27:00 【WangZiXi】

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

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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 A tutorial for beginners , 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 be easy to understand , Easy SAP UI5 Beginners understand .

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

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Each step is based on the previous step , Added several new features . Suggest zero basis or to SAP UI5 Beginners who know little , 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 .

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 .

Go through the previous steps in this tutorial SAP UI5 Tutorial for beginners - Aggregate binding in UI5 Use in composite controls Introduction to , We have learned how to SAP UI5 Show list in , As shown in the figure below ：

In this step, we add more business data to the list , For example, the amount of each invoice .

Follow the steps in this article SAP UI5 application , The list is shown in the figure below ：

You can see , Compare with the previous step , Now? Invoices In the form , The amount and currency unit of each invoice have been displayed .

If we want the amount of the invoice , Do not take rounding , But take the number of decimal places , Just show how many bits of strategy , Of course, it can be , The effect is as follows ：