Activiti7 Workflow Foundation, read this article is enough
Activiti7
1, Workflow introduction
1.1 concept
Workflow is the automatic execution and management of business processes through computers. It mainly solves "the process of automatically transferring documents, information or tasks among multiple participants according to some predefined rules, so as to achieve an expected business goal ...
Added by Elliott on Sun, 23 Jan 2022 16:58:26 +0200
Six steps of JDBC
As a novice Xiaobai, I recently learned the basic knowledge of javase and mysql, but I immediately faced a new problem, how to connect java with the database. With this problem, I learned JDBC (the full name of JDBC is Java Database Connectivity) and found the answer in JDBC. JDBC connects the database and creates a program that connects the da ...
Added by r3dk1t on Wed, 19 Jan 2022 04:57:22 +0200
Javase 39 basic exercises
JavaSE 39 basic exercises
This article is to help learn the basic Java program. I hope you can practice. I typed the code myself. I hope you can have your own program ideas. Please forgive me for your shortcomings.
1. Fibonacci sequence
Title: classical question: a pair of rabbits give birth to a pair of rabbits every month from the ...
Added by celebx on Sun, 16 Jan 2022 06:20:53 +0200
Spring Boot realizes multi picture upload and echo, and the posture is up ~
upload
The code of the Controller is very simple. Because the spring MVC framework is used, you can directly connect it with MultipartFile. Because it is a multi picture upload, it is connected with an array. Note here that the parameter name should be the same as the name in < input > Values correspond to:
@RequestMapping("/pic")
@Resp ...
Added by rxsid on Fri, 14 Jan 2022 02:30:47 +0200
Map collection framework
Preface: tell you about the Map combination framework
Codeword is not easy. Pay attention
Reprint, please explain!
Mind map:
catalogue
1. Characteristics of map set
2. Traversal method of map set
3. Common implementation classes HashMap and examples
1. What is HashMap?
2. Data structure:
3. Example: count the number of occurrenc ...
Added by stringman on Fri, 14 Jan 2022 01:09:17 +0200
final, override, polymorphism, abstraction, interface
Final is a modifier that represents the final and unchangeable final decorated classes cannot be inherited A member method of a final modifier cannot be overridden The variable decorated with final cannot be assigned twice. If there is no default value, the assignment must be displayed Generally, we call static variables modified by final as ...
Added by suave4u on Wed, 12 Jan 2022 22:29:03 +0200
Introduction to JAVA programs -- basics (operators)
preface
we learned the basic Operation rules Of course, our operators are indispensable in the process of operation, including "+", "-", "*", "/", which we are familiar with. And some special operators of Java language, such as self increasing, self decreasing, logical operators, etc. I w ...
Added by benphelps on Tue, 11 Jan 2022 12:31:27 +0200
Sure enough fresh e-commerce project (25) - member's only login
introduction
In the previous section E-commerce project (24) - log printing , mainly explain the basic usage of slf4j log framework.
This article briefly explains how to realize unique login for member services.
1. What is a unique login?
We often use QQ, wechat, nailing and other social applications. They all support logging in on the ...
Added by gOloVasTicK on Tue, 11 Jan 2022 12:14:24 +0200
Jsp Learning Notes - Take a simple note
html element
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>html element</title>
<link rel="stylesheet" type="text/css" href="./css/demo.css" />
<script src="./js/demo.js"></script>
</head>
<body>
</body>
</html>
Script Elements
Declaration
&l ...
Added by FadeToLife on Mon, 10 Jan 2022 19:40:03 +0200
Surpass Day10 -- the use of IntelliJ IDEA and eclipse and the basic practice of Java program
catalogue
1. Shortcut keys for IDEA tools and some simple settings
2. Shortcut keys for eclipse tools and some simple settings
2.1. File related shortcut keys
2.2 shortcuts commonly used when writing code
3. Basic exercises of Java program
3.1 topic 1: Vehicle Driving
3.2 topic 2: Calculator
3.3 topic 3: People Message
3.4 topic 4: ...
Added by sosha on Thu, 06 Jan 2022 14:32:52 +0200