mybatis-plus 2.x Upgrade 3.x Notes

The main upgrades from 2.0 to 3.0 are: Upgrading JDK 8 + Optimizing Performance Wrapper Support lambda Syntax Modular MP allocates each package structure reasonably Reconstructing injection method to support any method to simplify injection mode Global Configuration Underline Conversion Eliminates Injection of AS Statements Modify Wrapper to Q ...

Posted on Sat, 21 Sep 2019 03:06:18 -0700 by alconebay

mybatis basic xml configuration

If the article is wrong, please comment downstairs, thank you for your positive correction! Learn together and become a big man! mybatis: 1. lightweight 2. Advanced mapping (mapping between entity classes and database table fields) allows you to manipulate entity classes in subsequent development without paying attention to the database. (In fa ...

Posted on Sat, 21 Sep 2019 00:41:32 -0700 by pramodv

[SpringBoot] Integrated Logging Framework

1. Overview of log framework Generation of 1.1 Log Framework 1.2 Market Logging Framework 2. Use and Integration of SLF4j 2.1 How to use SLF4j in the system 2.2 How to integrate the log framework 2.3 Logging relationships in SpringBoot 3. Log Use 3.1 Default Configuration 3.2 Log Format 3.2 Specify Configuration 4. ...

Posted on Fri, 20 Sep 2019 10:43:31 -0700 by g5604

Custom behavior - Perfect imitation of QQ browser home page, beauty group business details page

Use Coordinator Layout to create cool effects Custom Behavior - Float Action Button Hiding and Displaying Deep Analysis of NestedScrolling Mechanism Step by step, read the Coordinator Layout source code Custom Behavior-Implementation of Simulated Sina Weibo Discovery Page ViewPager, ScrollView Nested ViewPager Sliding Conflict Resolution Custo ...

Posted on Fri, 20 Sep 2019 00:07:58 -0700 by snorky

java on ftl template generation html and word (realize online preview function, save)

Problem Description: The earliest attempt has been made to generate word from XML template. Although the file format is retained a lot, the word generated by this template is transferred to html. It is problematic to use XWPF Document and HWPF Document in pure poi, because word is essentially xml, a ...

Posted on Wed, 18 Sep 2019 23:17:23 -0700 by roice

springboot+dubbo+zookerper for Windows environment calls each other (xml version, annotation version added later)

Spring boot + Dubbo + zookerper in windows environment to realize mutual invocation 1. Download and configuration of zookerper: jar Download Address: http://mirror.bit.edu.cn/apache/zookeeper/zookeeper-3.4.14/zookeeper-3.4.14.tar.gz 1. Download it and decompress it to modify the configuration file. Copy zoo_sample.cfg under the conf folder a ...

Posted on Wed, 18 Sep 2019 04:20:20 -0700 by lynn897

This is enough for Mybatis to use the introduction

In mybatis, an sqlsession object (which encapsulates connection objects) is encapsulated to perform CRUD operations on the database. Operation process Mybatis has a configurable XML for configuring data sources and mapping Mapping. The file name of XML is optional. For convenience, we still start mybatis-config.xml. We read the xml of this conf ...

Posted on Tue, 17 Sep 2019 07:41:18 -0700 by llama

Starting rushSpring transactions from Annotation Transaction Aspect

0. Spring transactions with LTW 0.1. Reasons for Spring Transaction With LTW: Pure Proxy-base mode l is defective, its failure reason analysis and operation mechanism (LoadTime Weaver Bean Definition Parser and AspectJ Weaving Enabler) have been written, no more writing; 0.2 JDBC transactions are at the Connection level: Basic operation templat ...

Posted on Tue, 17 Sep 2019 04:54:20 -0700 by misfits

Hadoop Series-Hadoop Cluster Environment Construction

I. Cluster Planning A three-node Hadoop cluster is built here, in which three hosts deploy DataNode and NodeManager services, but only NameNode and ResourceManager services are deployed on hadoop001. Pre-conditions Hadoop runs on JDK and needs to be pre-installed. The installation steps are arranged separately to: Installation of JDK under L ...

Posted on Mon, 16 Sep 2019 04:19:53 -0700 by edup_pt

Realization of Mobile Security Guard Based on android

Next, we implement the communication guard function, which is to provide users with a blacklist function. Users add the number they don't want to answer to the blacklist and hang up automatically if the number calls. Because the view is separate ...

Posted on Mon, 16 Sep 2019 04:02:49 -0700 by Acs