JerryWang_SAP
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cs6641468：
检查每个Java版本特有的class是一种思路，你这个例子是， ...
如何通过Java代码判断当前的环境是否支持JRE 9 -
JerryWang_SAP：
aa00aa00 写道看见了我的影子哈哈，厉害
SAP成都研究院的体育故事 -
aa00aa00：
看见了我的影子
SAP成都研究院的体育故事 -
柳絮飞祭奠：
666111
让SAP云平台上的Web应用使用destination服务 -
JerryWang_SAP：
masuweng 写道这是java代码吗?您好，都是JavaS ...
CRM WebClient UI的浏览器打印实现
文章列表
In my previous blog Build Chart and Table representation via Analytics Path Framework I introduced the step how to render the data coming from CDS view in various chart types via Analytics Path Framework, which are actually a set of Fiori application. In this blog, I will demonstrate the steps how t ...
I am recently doing self study on Analytics Path Framework and as a beginner I have finished some “Hello world” exercise and I have written down my steps to finish those “Hello world” project in these two blogs:
Build Chart and Table representation via Analytics Path Framework Access the OData serv ...
In Fiori launchpad, the page title will display default value “Home”. When I click a given tile to enter an UI5 application, the page title is changed for example from “Home” to “My Tasks”.
Today I am dealing with an incident that once I have entered one application, the page title is not d ...
We can get the concept of deadlock in wikipedia.
The picture below gives a common scenario which leads to deadlock.
In this blog, I will share how to detect deadlock situation using JDK standard tool jstack. First we have to write a Java program which will lead to Deadlock:
package thre ...
We know that once we enable debug mode via “Ctrl+Alt+Shift+P”, this setting will be persisted: even if you turn off your laptop and launch the application tomorrow, the debug mode will still be there.
In Chrome development tool, there is an Application tab which records this setting via key ...
For every Fiori application we have Component.js, and there is a function extend() call. See one example below. What is the purpose of this function call and what functionality would it achieve?
In order to understand the logic of extend, it is necessary to understand prototype concept in J ...
Today I am working on another incident and I get to know another kind of reason which will lead to empty screen issue in UI. My previous experience for potential reason of empty screen issue is, there must be some JavaScript execution error which causes the UI ceases to render.
The issue I am worki ...
Today when I am reading this SAP help, I find out this sentence:
Then I have opened the definition of table DDLOG in the system and found I cannot directly view the content of field NOTEBOOK due to its data type LRAW.
So I have chosen one table with buffer activated, and made some ...
Jerry最开始是用SAP UI5进行SAP CRM Fiori应用的开发。最近一段时间做SAP Spartacus开发，在用Angular，因此借这个机会将两个前端框架的事件处理实现细节做一个比较。
SAP UI5事件处理
通过button控件的attachPress方法注册一个Press事件点击的处理函数：
button控件本身的实现是没有attachPress这个方法的，这一点可以从hasOwnProperty返回false来确认：
Instead, it is provided by the node in the button instance ...
I have been working as a Fiori application developer in SAP for almost two years, which means now I use Chrome development tool in my daily work for trouble shooting instead of ABAP debugger when I was working using CRM WebUI.
Yesterday I was assigned with an incident about CRM Lead application in ...
Today one of my colleague asks me whether there is some tool which can allow us to get a draft estimation on the size of a BSP application. As far as I know there is no such tool, so I write one by myself. This tool simply fetches source code of all artifacts belonging to a specified BSP application ...
Although I have been working on ABAP for several years, I am not well aware of the technical design of SAP note, since most of the time as an application developer, I am responsible for the bug fixing, putting the correction instruction into the note and release it, then our customer can apply it in ...
In previous blog How is OData request routed to Offline data store by OData offline plugin, according to comment, the Offline store will only be available once it is opened successfully. The open operation is done in Device native API, delegated in line 232.
The exec is available in exporte ...
I am reading Offline OData plugin introduction from SAP Help, There is one sentence “OData requests made against this plugin use the available open offline stores.“, and I am very curious about how this is done. As a result I had a look at my offline application project. I have found a plugin.xml fi ...
The definition of AOP in wikipedia seems a little bit difficult for beginners to understand, so in this blog I use an example to introduce why we need it.
Suppose I have an order command class which performs its core business logic in method doBusiness:
package aop;
import java.util.logging.Lev ...