Using HTML5 Gao diagram

Source: Internet
Author: User

In the statistical analysis of the data, the pie chart is also a kind of statistical chart that is used more frequently.

Requirements Analysis:

A pie chart generally contains the following sections: 1, Heading 2, Sector 3, share (%) 4, logo design: data section, we use JSON to express: var jsondata = {
"Title": "2014 cost ratio of each branch",
"Data": [{"title": "Guangzhou", "persent": "0.2"}, {"title": "Shanghai", "persent": "0.2"},
{"title": "Beijing", "persent": "0.3"}, {"title": "Hangzhou", "persent": "0.2"},
{"title": "Chengdu", "Persent": "0.1"}]

};

The drawing part, we use the HTML5 canvas's related function, mainly uses the arc arc, the drawing line LineTo, draws the text filltext and so on the method.

Effect:

Specific implementation please download the source code.



Related Article

Alibaba Cloud 10 Year Anniversary

With You, We are Shaping a Digital World, 2009-2019

Learn more >

Apsara Conference 2019

The Rise of Data Intelligence, September 25th - 27th, Hangzhou, China

Learn more >

Alibaba Cloud Free Trial

Learn and experience the power of Alibaba Cloud with a free trial worth $300-1200 USD

Learn more >

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.