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This article is about how to understand the Java basic tool class hutool, the editor thinks it is very practical, so I share it with you to learn. I hope you can get something after reading this article.

Hutool is a Java basic tool class, which encapsulates JDK methods such as file, stream, encryption and decryption, transcoding, regularization, thread, XML, etc., to form a variety of Util tool classes, while providing the following components.

Hutool tool class components

Bloom filtration

Caching

Clone interface

Type conversion

Date processing

Database ORM (based on ActiveRecord idea)

Search for multiple keywords based on DFA finite Automata

HTTP client

IO and Files

Some useful data structures

Journal

Simplification of reflection proxy classes (AOP aspect implementation)

Setting (a configuration file that extends Properties)

System (JVM and system information, etc.)

Encapsulation of WatchService (file change monitoring)

Various useful tool classes for XXXUtil

Introduction to Hutool tool class

Hutool is a Java toolkit and just a toolkit that helps us simplify every line of code, reduce every method, and make the Java language "sweet". Hutool was originally a collation of the "util" package in my project, and then gradually accumulated and added more

Hutool is a self-coined word of Hu+tool, homophonic "confused", implying the pursuit of "everything is confused, there is no loss, no gain" realm.

Document

Chinese document

Simple test

SecureUtil (encryption and decryption tool)

It is also used to change the password when logging in. Because the password in the database is encrypted by md5, you need to encrypt it first and then query the database when you log in. If you use Hutool, you only need to call the md5 method in SecureUtil.

User=userService.userLoginByName (loginName,SecureUtil.md5 (loginPwd))

HtmlUtil (html utility class)

When a comment is submitted, you can use htmlUtil.encode to convert some characters to secure characters to prevent xss injection and SQL injection.

Comment.setCommentAuthor (htmlUtil.encode (comment.getCommentAuthor ()

The above is how to understand the Java basic tool class hutool, the editor believes that there are some knowledge points that we may see or use in our daily work. I hope you can learn more from this article. For more details, please follow the industry information channel.

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