Idea uses the MyBatis Generator plug-in to quickly generate code
1. Add in
Add the following dependencies to the pom.xml file.
Note that this is a plugin
<plugin>
<groupId>org.mybatis.generator</groupId>
<artifactId>mybatis-generator-maven-plugin</artifactId>
<version>1.4.0</version>
</plugin>
2. Write generatorConfig.xml
Place th ...
Posted by Benjigga on Tue, 05 May 2020 14:01:18 -0700
Implementation of PHP+MySQL paging principle
Function introduction: including previous page, next page, first page, last page, jump page and other functions.
Code message: turn complexity into simplicity, and you will be enlightened.
Running screenshot:
Key steps:
After the database is created, dozens of data are inserted to facilitate testing.
CREATE TABLE `page` (
`ID` int(10) ...
Posted by the_damo2004 on Tue, 05 May 2020 09:30:37 -0700
Easysoole uses configuration files in *. ini format
brief introduction
This article takes you through how to use ini configuration files in easysoole.
Advantages and disadvantages of ini
Advantages: linear, simple, concise and convenient
Disadvantages: weak data configuration of complex types
directory structure
.
├── App
│ ├── HttpController
│ │ └── Productor.php
│ ├── Process
│ ...
Posted by Syrehn on Tue, 05 May 2020 08:35:30 -0700
Android content observer realizes the function of automatically refreshing album (gallery) after screenshots
The author has done an album application some time ago. The basic functions include querying the media library, displaying pictures in reverse chronological order, zooming in, zooming in, sliding pictures, calling albums externally, etc. interested students can confide in me. Today, only the function of automatic refresh of screenshots of album ...
Posted by squizz on Tue, 05 May 2020 05:47:25 -0700
The intersection of Excel table and database
If it is convenient, please pay attention to it. It must be closed. Thank you!
Recently, I have just learned how to store the data of Excel table in the database and how to write the content of the database into the excel table.
Step 1, first "reference", add reference
Microsoft.Office.Interop.Excel
Add t ...
Posted by awiedman on Tue, 05 May 2020 04:54:31 -0700
A Device Online Notification Scheme for Century Interconnected Azure IoT Hub
This paper describes a scheme for getting device online notifications for Century Interconnected Azure IoT Hub.
Video Introduction:
You can watch the video introduction at Station B: https://www.bilibili.com/video/BV1dp4y1X7X3/
Or watch it on the author's blog: https://www.51azure.cloud/post/2020/4/30/azure-iot-hub-device-on-line-report
...
Posted by MannyG on Tue, 05 May 2020 03:03:33 -0700
Exporting excel table with php header function
In addition to exporting tables with PHPExcel, another simple table import method that does not need to import class files is recommended: header() exports excel tables.
The steps of exporting the table are encapsulated into a method for reuse. The code is as follows:
1 /**
2 * Export data to excel
3 *@param $data A two-dimensional arr ...
Posted by Valera on Mon, 04 May 2020 23:51:50 -0700
Database design and implementation of comment system
requirement analysis
Generally, when we browse the website, we can often see the effect as shown in the figure below (the picture comes from CSDN)
This kind of comment is nested layer by layer, and there are several replies to the comment under each comment.
This kind of structure is similar to the tree structure. Users can see it at a gla ...
Posted by andco on Mon, 04 May 2020 23:32:08 -0700
The usage of Litepal and the solution of dbname is empty
The steps to use Litepal are as follows:
1. Introduce JAR package and change configuration
Use Android Studio to add: dependencies {
compile 'org.litepal.android:core:1.6.1'
}
1.6.1 is the version number, which can be changed according to the requirements.
Then configure the litepal.xml file. Generally, create ...
Posted by MSK7 on Mon, 04 May 2020 22:10:01 -0700
Hibernate, Session object, Query object and HQL
Session object
1. Introduction
Session object is the object of database session, which provides the method of interaction with database
session object is thread unsafe, so it cannot be used as a global variable
2. Obtaining and closing the session object
How to get / create and close:
//Get new session object (not commonly us ...
Posted by voyde on Mon, 04 May 2020 21:59:42 -0700