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zx-image-view

v1.5.0

Published

Image view plugin

Downloads

41

Readme

image-view

图片预览插件,支持图片切换、旋转、缩放、移动...

浏览器支持:IE10+, (IE9不支持旋转功能)

默认键盘操作

方向键:左leftright前后图片切换,上updown顺时针逆时针旋转

滚动鼠标:缩放

注:支持自定义按键配置,详见参数说明。

使用 use

npm

npm install zx-image-view --save-dev
# 或
npm i zx-image-view -D

ES6+

import { ZxImageView } from 'zx-image-view'

浏览器Brower

<div id="imgList">
  <img data-index="0" src="a.jpg">
  <img data-index="1" src="b.jpg">
  <img data-index="2" src="c.jpg">
  <img data-index="3" src="d.jpg">
</div>
<script src="dist/js/zx-image-view.min.js"></script>
<script>
  // 初始化参数
  var options = {
    // 见参数说明处
  };

  // 图片数组1
  var imgArray1 = [
    'http://xxx.com/a.jpg',
    'http://xxx.com/b.jpg',
    'http://xxx.com/c.jpg',
    'http://xxx.com/d.jpg'
  ];

  // 图片数组2
  var imgArray2 = [
    {
      url: 'http://xxx.com/a.jpg',
      // 初始化旋转角度
      angle: 90
    },
    {
      url: 'http://xxx.com/b.jpg',
      angle: 0
    },
    {
      url: 'http://xxx.com/c.jpg',
      angle: 180
    },
    {
      url: 'http://xxx.com/d.jpg'
      angle: 90
    }
  ];
</script>

使用方法 1

var ziv1 = new ZxImageView(options, imgArray1);

// 点击缩略图,查看大图
var $el = document.getElementById('imgList');
$el.addEventListener('click', function (e) {
  if (this.nodeName === 'IMG') {
    // 获取图片索引
    var index = this.getAttribute('data-index');
    // 查看图片
    ziv1.view(index);
  }
})

使用方法 2

var ziv2 = new ZxImageView(imgArray2);

使用方法 3

var ziv3 = new ZxImageView();
ziv3.init(imgArray2);

使用方法 4

var ziv4 = new ZxImageView();
// 业务场景,针对后台管理列表页,每条数据(动态)有多张图片,需独立预览,不需要多次实例化ZxImageView
// 查看imgArray2第3张图片
ziv4.view(2, imgArray2);

开发调试

npm run dev
# http://localhost:9000/

# 效果图 preview

image-view

image-view

image-view

参数 options

|参数|类型|说明| |:--|:--|:--| |backgroundOpacity|Floor|背景遮罩(黑色)透明度,取值0-1,默认值0.6| |iconfont|String|iconfont图标字体css样式url地址(样式名见附录iconfont说明)| |keyboard|Object|键盘按钮(前/后一张、缩放、旋转、关闭)配置| |movable|Boolean|移动图片,默认值true| |paginationable|Boolean|分页mouseover切换图片,默认值true| |rotatable|Boolean|旋转图片,默认值true| |scalable|Boolean|缩放图片,默认值true| |showClose|Boolean|显示关闭预览窗口按钮,默认值true| |showPagination|Boolean|显示分页栏,默认值true| |showSwitchArrow|Boolean|显示左右切换箭头按钮,默认值true| |showToolbar|Boolean|显示工具栏,默认值false| |toolbarButtons|Array|工具栏按钮数量及顺序配置,可选值/默认值['prev', 'enlarge', 'rotate', 'reduce', 'next']|

options.keyboard

|参数|类型|可选键名|说明| |:--|:--|:--|:--| |close|String|关闭图片查看器| |next|String|任意键|下一张| |prev|String|任意键或mousewheel|上一张;为mousewheel时,next无效| |rotate|String或Array|任意键或mousewheel|图片旋转| |scale|String或Array|任意键或mousewheel|图片缩放|

注意:参数中只能包含有且一个mousewheel配置;任何配置均不支持组合键。

keyboard参数可选属性见页尾--附录

 // 初始化参数
let _config = {
  // 分页mouseover切换图片
  paginationable: true,
  // 显示关闭按钮
  showClose: true,
  // 显示上一张/下一张箭头
  showSwitchArrow: true,
  // 显示分页导航栏
  showPagination: true,
  // 缩放
  scalable: true,
  // 旋转
  rotatable: true,
  // 移动
  movable: true,
  // 键盘配置
  keyboard: {
    prev: 'a',
    next: 'd',
    rotate: ['up', 'down'],
    scale: 'mousewheel'
  }
}
new ZxImageView(_config);

方法 methods

  • destroy() 销毁当前图片查看dom对象

  • init(imageArray, index) 初始化图片数据

|参数|类型|必须|说明| |:--|:--|:--|:--| |imageArray|Array|是|图片url数组| |index|Number|否|imageArray的索引,默认显示的第index + 1张图片;默认为0; 如果index > imageArray.length将被忽略|

  • view(index, angle, imageArray) 查看第index + 1张图片

|参数|类型|必须|说明| |:--|:--|:--|:--| |index|Number|是|imageArray的索引,显示的第index + 1张图片| |angle|Number|否|图片旋转角度,90的整数倍| |imageArray|Array|否|图片url数组,将更新初始化的图片数组|

附录

  • iconfont样式名说明

字体样式.zx,图标样式如下图:

zx-image-view iconfont

http://www.iconfont.cn/

  • 支持自定义键盘按钮名/keyboard参数可选属性

|属性|键名/说明| |:--|:--| |escape|Esc键| |主键盘| | |backquote| ~ 键| |digit1| 1(!) 键 | |digit2| 2(@) 键 | |digit3| 3(#) 键 | |digit4| 4($) 键 | |digit5| 5(%) 键 | |digit6| 6(^) 键 | |digit7| 7(&) 键 | |digit8| 8(*) 键 | |digit9| 9(() 键 | |digit0| 0()) 键 | |equal| =(+) 键 | |minus| -(-) 键 | |a-z|AZ键| |bracketLeft| [({) 键 | |bracketRight| ](}) 键 | |semicolon| ;(:) 键 | |quote| '(") 键 | |backslash| 反斜线 键 | |period| ,(>) 键 | |comma| .(<) 键 | |slash| /(?) 键 | |space| 空格键 | |数字键盘|| |numpad0| 0 | |numpad1| 1 | |numpad2| 2 | |numpad3| 3 | |numpad4| 4 | |numpad5| 5 | |numpad6| 6 | |numpad7| 7 | |numpad8| 8 | |numpad9| 9 | |numpadDivide| /分或除 | |numpadMultiply| *乘 | |numpadSubtract| -减 | |numpadAdd| +加 | |numpadDecimal| .小数点 | |编辑键区|| |insert| Insert 键 | |home| Home 键 | |end| End 键 | |pageUp| PageUp 键 | |pageDown| PageDown | |delete| Delete 键 | |left| 方向键左(ArrowLeft) | |right| 方向键右(ArrowRight) | |up| 方向键上(ArrowUp) | |down| 方向键下(ArrowDown) |

|鼠标滚动|说明| |:--|:--| |mousewheel|鼠标滚动键|

Copyright and license

Code and documentation copyright 2018. capricorncd. Code released under the MIT License.