图像热点&图像映射 - 尼农小道
图像映射
图像映射也称为图像热点。
作用:
让同一张图片上的不同区域,可以实现多个不同的超链接功能。
图示:
图像映射的实现需要三方面配合完成:
1、图像映射容器,就是一个img标签,需使用usemap属性与map标签建立联系
2、图像映射,就是一个map标签,需要使用name属性与map标签建立联系
3、热点区域,需要使用map标签的子标签area来建立热点区域
语法格式:
属性介绍:
需要使用的属性:
usemap:#map的名称
name:设置热点区域的名称
的常用属性:
shape:设置热点区域的形状
rect(矩形)、
circle(圆形)、
polygon(多边形)
coords:热点区域的位置坐标,根据shape的不同而不同。
对于rect,坐标为(x1,y1,x2,y2),(x1,y1)矩形左上角,(x2,y2)右下角
对于circle,坐标为(x,y,r),(x,y)圆心坐标,r为半径
对于polygon,坐为(x1,y1,x2,y2,…xn,yn),(xn,yn)为第n个顶点坐标
举例:
-
矩形
-
圆形
-
不规则多边形

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics



The article discusses the HTML <progress> element, its purpose, styling, and differences from the <meter> element. The main focus is on using <progress> for task completion and <meter> for stati

The article discusses the HTML <datalist> element, which enhances forms by providing autocomplete suggestions, improving user experience and reducing errors.Character count: 159

Article discusses best practices for ensuring HTML5 cross-browser compatibility, focusing on feature detection, progressive enhancement, and testing methods.

The article discusses the HTML <meter> element, used for displaying scalar or fractional values within a range, and its common applications in web development. It differentiates <meter> from <progress> and ex

The article discusses using HTML5 form validation attributes like required, pattern, min, max, and length limits to validate user input directly in the browser.

The article discusses the viewport meta tag, essential for responsive web design on mobile devices. It explains how proper use ensures optimal content scaling and user interaction, while misuse can lead to design and accessibility issues.

The article discusses the <iframe> tag's purpose in embedding external content into webpages, its common uses, security risks, and alternatives like object tags and APIs.

GiteePages static website deployment failed: 404 error troubleshooting and resolution when using Gitee...
