Java add, read, delete Excel shapes

This paper introduces the method of operating shape (Figure) in excel by java program, including: 1. Add shape (such as setting shape type / position / size, shape color fill (monochrome / gradient / texture / picture fill), shape display or hide, shape tilt angle, adding text to shape, shape shadow, etc.) 2. Read the text and pictures in the s ...

Posted by vynsane on Mon, 03 Feb 2020 08:47:09 -0800

Simple example of using Hystrix in Spring cloud (Spring cloud learning Note 6)

1, Analysis of current architecture problems 1.1 problem analysis Our current architecture is shown in the figure below. Eureka is used for service discovery service registration, and Ribbon is used for load balancing. Now let's assume that if the service provider's response is very slow, the servic ...

Posted by srfdriver22 on Sun, 02 Feb 2020 05:01:29 -0800

Spring Boot

If you want speed, you will not reach it. If you want speed, you will reach it! hello, hello, I've met you again. Today is February 1, 2020. On the eighth day of the lunar new year, the Spring Festival will soon be over. The new type of coronavirus pneumonia has become the theme of the Spring Festival in 2020. I'm in awe of life. I hope I can ...

Posted by llcoollasa on Sat, 01 Feb 2020 03:56:20 -0800

Construction of eureka Registration Center

Is there a problem? Briefly review what we have just written: Service provider: a microservice that provides querying users according to their id. Service consumer: a service caller who calls service provider remotely through RestTemplate. What's the problem? In consumer, we hard cod ...

Posted by Vorotaev on Sat, 01 Feb 2020 02:13:45 -0800

Zong Laoshi self taught Jsoup

Introduction to Jsoup jsoup is a Java HTML parser, which can directly parse a URL address and HTML text content. It provides a set of very labor-saving API, which can extract and operate data through DOM, CSS and jQuery like operation methods. In the field of crawler web page collection, our main role is to use HttpClient to obtain the specific ...

Posted by aceconcepts on Fri, 31 Jan 2020 08:48:06 -0800

Spring Cloud -- routing gateway (Zuul)

Zuul introduction Zuul's main functions are route forwarding and filter. Routing function is a part of microservices, such as / api/user forwarding to user service and / api/shop forwarding to shop service. Zuul default and Ribbon combine to realize the function of load balancing. Build a Spring Cloud gateway Create project ...

Posted by Shock_CNOP on Fri, 31 Jan 2020 02:18:48 -0800

AOP of architecture design of centralized landing architecture based on aspect oriented idea

1, Before you start: Centralized login architecture design: this login is not a login request, but a judgment of whether the current login status is available. If it is not, skip the login interface; otherwise, perform the corresponding skip logic. This business is a global business, and the global b ...

Posted by keystroke on Thu, 30 Jan 2020 22:50:33 -0800

Setting up Kafka-0.10.2 source reading environment and running Windows locally

Setting up Kafka-0.10.2 source reading environment and running Windows locally Version information 2. Building Kafka Source Environment 3. Configuring Kafka Source Environment Build a bin package Version information Kafka: 0.10.2,Scala: 2.10.6,Java: 1.8.0_221,IntelliJ IDEA: 2019.2,Zookeeper: 3.4 ...

Posted by crazydip on Thu, 30 Jan 2020 18:23:30 -0800

SpringBoot 2 Actuator Build RESTful Web Service

Opening Word Spring Boot Actuator Is a subproject of Spring Boot.It adds several production-level services to your application, which don't require much effort from you.In this guide, you will build an application that adds these services.   Applications you will create This guide will guide you in ...

Posted by mdemetri2 on Thu, 30 Jan 2020 17:11:47 -0800

Maven modifies the default jdk13 version information to solve the problem of too low JDK version

The default jdk of Maven is version 1.5. It is too cumbersome to modify the jdk version again every time you create a new project, so the following methods can modify the default jdk version of Maven. Note: it's better to update Maven's version. The setting.xml jdk13 configuration is invalid when I use ...

Posted by lynwell07 on Thu, 30 Jan 2020 06:56:20 -0800