Recent Posts
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Six simple calculation problems most commonly used in Java
1. Three white balls, three red balls, six black balls, randomly take out eight balls and calculate all the results 2.…… -
Spring integrated redis complete instance code
Students who have done large-scale software systems know that as the system data becomes larger and more complex, the …… -
Sample code used by the fullcalendar calendar plug-in of the Java Web project
This article introduces the sample code used by the fullcalendar calendar plug-in of the Java Web project and shares i…… -
String. Format (c# Java)
c#string. format Numeric format of string C or C currency D or D Decimal number E or e Scientific type F or F Fixed po…… -
Java uses JSON lib to handle JSON details and example code
Java uses JSON lib to handle JSON [project environment] 1. Convert JSON array object to list object; 2. Convert list t…… -
Java verification code tool instance code
Tools: VerifyCodeServlet： LoginServlet: login. jsp: loginsuccess： Welcome, warm welcome, welcome <% = username% &…… -
Two ways of spring boot Ajax cross domain
preface In most cases, the Java language will be used as a back-end language for the front-end PHP, node JS provides A…… -
Spring and mybatis are combined to realize multi data source switching function
Without much nonsense, the key codes are as follows: 1. Code: dbcontextholder 2. Code: dynamicdatasource 3. Code: spri…… -
Spring uses resttemplate to simulate the form submission example
Resttemplate is a class used to access Web services on the client side. Similar to other template classes in spring (s…… -
Explain in detail how spring boot integrates mybatis to realize Druid multi data source configuration
1、 Application scenario of multiple data sources At present, the popular data operation framework in the industry is …… -
Detailed explanation of docker image instance built by Jenkins
Detailed explanation of docker image instance built by Jenkins Preface: Jenkins has a docker image, and we said earlie…… -
Spring boot integrates mybatis to realize master-slave (multi data source) separation scheme example
This article will introduce the use of spring boot to integrate mybatis and realize the separation of master and slave…… -
Spring cloud implements the registration center Eureka
Eureka is an open source product of Netflix that provides service registration and discovery. It provides a complete i…… -
Graphic tutorial of building spring development environment with eclipse (recommended)
1. Install springsource tool suite: (1) Find and install the corresponding version of eclipse on the official website …… -
The simplest spring cloud Tutorial Part 1: service registration and discovery (Eureka)
preface This article mainly introduces the spring cloud service registration and discovery (Eureka) for your reference…… -
Using spring boot to operate mongodb
MongoDB As a NoSQL database product, mongodb is already very famous. Last year, due to the weak security certification…… -
Spring boot implementation file upload sample code
The method of file upload using springboot is similar to that of spring MVC. This paper creates a simple demo to expla…… -
Simple code for Java implementation of “year month day am / PM: minute: second”
How to format the "Year Month Day morning / afternoon hour: minute: second" date with the simpledateformat class: The …… -
Example code of spring security picture verification code function
Verification code logic Verification codes have been made in the project before. There are many codes for generating v…… -
Introduction to ztree
[introduction] Ztree uses the core code of jQuery to implement a set of tree plug-ins that can complete most common fu…… -
Java input a year, a month and a day to judge the day of the year
Title: enter a certain day of a certain month in a certain year to judge the day of the year? Program analysis: take M…… -
Solutions to XML-RPC Chinese problems in PHP and Java
Problem Description: when using PHP and Java to operate XML-RPC, if the request contains Chinese characters, it will b…… -
Java perpetual calendar to obtain the calendar table of the month and year
This article uses Java technology to input the year and month to obtain the calendar table. The following is a code to…… -
Implementation example of oauth2 logoff under spring cloud
Following the above implementation of oauth2 based authentication and authorization under spring cloud, we will implem…… -
JSP spring boot / cloud uses filter to prevent XSS
JSP spring boot / cloud uses filter to prevent XSS I preface XSS (cross site scripting attack) Cross site scripting is…… -
Spring boot example tutorial for creating non executable jar packages
We often have this scenario. We just need to turn spring boot into an ordinary jar package without a configuration fil…… -
Java graphic verification code generation tool class web page verification code
Recently, I made a verification code and found many problems with reference to online cases. I specially modified and …… -
Detailed steps for installing Jenkins under CentOS 7 system
This article mainly introduces the relevant contents about installing Jenkins in CentOS 7 for your reference and learn…… -
Introduction and example analysis of spring transaction isolation level
This paper mainly studies the introduction and examples of spring transaction isolation level, as follows. When two tr…… -
Resolve the “XML parser error on line 1: content not allowed in preface” error
When publishing a project with eclipse, if you edit the XML file in the project with the Notepad provided by windows a…… -
Code explanation of traditional thread synchronous communication technology of Java concurrency
This paper mainly studies the code examples of Java Concurrent traditional thread synchronous communication technology…… -
How to install Jenkins on CentOS
Jenkins is an open source continuous integration tool written in Java. It can be installed directly on CentOS through ……