The most popular explanation of dependency injection

This article explains what dependency injection (also known as inversion of control) is and how it improves the code that defines business logic. Services and dependencies Services can be classes you write, or classes from import libraries. For example, it could be a logger or a database connection. Therefore, you can write a service that can r ...

Posted on Sat, 05 Oct 2019 22:40:31 -0700 by coditoergosum

Shiro_Project_Purchase Order

Article directory Model Analysis of Purchasing Order 2 Code Implementation 2.1 Party (main table) 2.2 Multidimensional (from table) 2.3 Purchasebill date processing 3 Order Query List 3.1 purchasebill.jsp 3.2 purchasebill.js 3.3 Addition of Query Conditions 4 Add Modification Pop-up Dialog Box 4 ...

Posted on Sat, 05 Oct 2019 06:22:13 -0700 by spighita

General Function and Module Customization System (cfcmms) - 025 Development Log (Creating Field of iconCls)

Links to the original text: https://my.oschina.net/zipu888/blog/549754 General Function and Module Customization System (cfcmms) - 025 Development Log (Creating Field of iconCls) ...

Posted on Sat, 05 Oct 2019 04:57:03 -0700 by hurricane

Flask Learning-4-server Object (token)

Data Encryption-sha1 import hashlib pwd='a123456' temp=hashlib.sha1(pwd.encode()) print(temp.hexdigest()) hash salt encryption from werkzeug.security import generate_password_hash,check_password_hash def password_hash(str): method = 'pbkdf2:sha1:2000' salt_length = 8 str_encode = g ...

Posted on Sat, 05 Oct 2019 01:30:38 -0700 by alexweber15

Spring security Note 4/4: Customizing Success and Failure

Customize Success and Failure Or on the basis of the previous examples, the authentication successfully jumped the page and changed to the authentication successfully returned data. Implementation steps 1. Copy the source code of the previous example Rename package name case 3 to case 4 Rename Case3Application.java to Case4Application.java 2. ...

Posted on Fri, 04 Oct 2019 19:24:16 -0700 by rhiza

Slider verification implemented by sliderVerify, a layui extension component

First, introduce'. / sliderVerify/sliderVerify.js'into the static file code to be used‘ Look at the effect first.           Sample code <!DOCTYPE html> <html> <head> <meta charset="utf-8" /> <title></title> <meta name="renderer" content="webkit"> <meta http ...

Posted on Fri, 04 Oct 2019 17:25:37 -0700 by Alexhoward

Preview and upload of native operation pictures of webform

1. Input tag is used for image manipulation. Input tag has an accept attribute, which can only be used in conjunction with <input type="file". It specifies the type of file that can be submitted through file upload. Multiple attribute values are separated by commas <input accept="audio/*, video/*, image/*">.   ...

Posted on Fri, 04 Oct 2019 08:33:53 -0700 by jonez

Simple Application of Ajax and Json Parser

In front-end JavaScript, we will use Ajax technology to achieve asynchronous transmission between client and server. In this article, I use native JavaScript statements to edit my own Ajax library for later use. 1.Ajax library code (JS file) Two parameters are required in the ajax function. One is the m ...

Posted on Fri, 04 Oct 2019 06:27:33 -0700 by vertmonkee

Selenium + Headless Chrome crawls Bing image search results

Bing image search results are loaded dynamically. If we use requests directly to access the page to crawl data, we can only get very few images. So we use Selenium + Headless Chrome to crawl search results. Before we start, we need to introduce xpath. XPath XPath is XML Path Language (XML Path Language) is a language used to locate a part of ...

Posted on Thu, 03 Oct 2019 19:39:41 -0700 by enchance

Allocation of privileges by zTree

First of all, show the effect map. All permissions are displayed here and the permissions of this role are bound. Overall thinking: Privilege display: first, get all the privilege tree from the privilege table, then get the corresponding privilege from the privilege role middle table (there is a ...

Posted on Thu, 03 Oct 2019 14:10:01 -0700 by van__