If it is a network picture, you need to use the wx.getImageInfo method to generate a local temporary storage path, and canvas can be used - Code World

If it is a network picture, you need to use the wx.getImageInfo method to generate a local temporary storage path, and canvas can be used

Others 2021-03-22 10:42:50 views: null

NoSuchKey

Guess you like

Origin blog.csdn.net/huanglianggu/article/details/111997470

If it is a network picture, you need to use the wx.getImageInfo method to generate a local temporary storage path, and canvas can be used

The WeChat applet rotates the picture (canvas) to obtain the temporary path of the file (local path)

sessionstorage: local temporary storage

Use canvas picture Cut

Insert the ID photo into the applet canvas and save the picture to the local album (note that you must ensure that the canvas is drawn before exporting the picture)

Android local storage path

Use Canvas's drawTextOnPath method to draw text along the Path

Use Canvas's drawTextOnPath method to draw text along the Path

Users get temporary storage file path job

Exchange of two variables (the realization of ideas: the use of a temporary variable used for intermediate storage)

0091 exchange of two variables (the realization of ideas: the use of a temporary variable used for intermediate storage)

The program also generates a small picture upset you? JSON format to help you generate, white can do

Use canvas to achieve flip the picture

You need to use when sending mail IELAB laboratory network protocol

[Summary version] A picture shows you the difference between local storage Cookie, LocalStorage and SessionStorage

[goframe] (4): It is very convenient to use goframe to access the grpc service. It can easily build and generate service code, and the startup method is also very simple. The local call is successful using the code

Commonly used java maven dependencies and configuration files (you can find everything you need)

[WPF] Canvas convert a lot of problems for the local picture

Get the access address url of input[type=file], which can be used for local selection of picture preview

The method used to generate the json txt

Temporary storage

temporary storage

WeChat central control methods (getAccessToken, getJsapiTicket). You can continue to optimize, redis is used as the middle layer, and redis is added to the library at the same time. When you want to use it, you need to query redis first.

Micro-channel small program to generate and save a picture canvas

The first two tortured soul: Can you talk about the browser's local storage? How the pros and cons of each?

When should you use a class method (static method)? When the instance of the method used?

Use the zxing provided by Google to generate a QR code (which can be used for the QR code generated during WeChat payment)

Use canvas to draw rectangles and text on the picture

js: Use canvas to make a picture annotation function

To use the shell in the php background, you need to know the path of php. The following article will explain how to explode the path of php.

Recommended

Ranking

go common records

SVN power failure recovery

深入理解Redis集群主从复制原理

【二叉树】左叶子之和

[1] The first basic syntax Detailed Kotlin

Linux Ansible creates tasks and executes them

vmware ubuntu virtual machine boots online courses

Use Nodejs to crawl certain data from the web page and write the crawled data into excel (see the next article for the front-end part and the server-side part)

Principle underlying thread pool

The number of bytes occupied when char[ ] is initialized

Daily

More

2025-03-22(0)

2025-03-21(0)

2025-03-20(0)

2025-03-19(0)

2025-03-18(0)

2025-03-17(0)

2025-03-16(0)

2025-03-15(0)

2025-03-14(0)

2025-03-13(0)