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v3-drag-zoom

v1.1.20

Published

一个轻量、高效的缩放拖拽逐渐,帮助开发人员快速实现类似地图缩放拖拽等功能

Downloads

121

Readme

V3DragZoom

一个基于 vue3 开发的轻量、高效缩放拖拽组件,方便开发者快速实现缩放拖拽功能。

在线演示和使用手册(DEMO)

GIT地址

https://gitee.com/ericfang/v3-drag-zoom

安装

使用以下命令安装 v3-drag-zoom

npm install v3-drag-zoom
# 或
yarn add v3-drag-zoom

导入组件

全局导入

main.js 中全局引入 v3-drag-zoom

import {createApp} from "vue";
import App from "./App.vue";
// v3-drag-zoom 组件
import V3DragZoom from "v3-drag-zoom";
// v3-drag-zoom 全局样式(必须导入,否则无法正常使用)
import "v3-drag-zoom/dist/style.css";

createApp(App).use(V3DragZoom).mount("#app");

按需导入

在需要的组件中导入 v3-drag-zoom

<script setup lang="ts">
  import {V3DragZoomContainer} from "v3-drag-zoom";
</script>

<template>
  <v3-drag-zoom-container>
    <div>需要缩放与拖拽的元素</div>
  </v3-drag-zoom-container>
</template>

API参数

v3-drag-zoom-container

Props

| 参数名 | 类型 | 默认值 | 说明 | |-----------------|---------|---------|---------------------------------------| | align | String | contain | 内容对齐方式,可选值有 autocontaincover | | autoResize | Boolean | true | 是否自动重置尺寸,当容器尺寸为百分比的时候,会根据父容器变化而自动变化 | | followPointer | Boolean | true | 缩放时是否跟随鼠标 | | maxZoom | Float | 100 | 最大缩放倍数 | | minZoom | Float | 0.01 | 最小缩放倍数 |
| zoomFactor | Float | 0.1 | 鼠标滚轮一次的缩放比例 | | loading | Boolean | false | 是否加载中 | | animateDuration | Number | 200 | 缩放时候的过度动画时长,单位 ms |

Slots

| Slot | 说明 | |---------|-------------| | default | 直接填写需要放置的内容 |

Exposed

| 参数名 | 类型 | 说明 | |-------|----------------------|------------------| | zoom | (zoom:Float) => void | 手动缩放 zoom: 为缩放倍数 | | reset | () => void | 重置缩放 |

v3-drag-zoom-item

Props

| 参数名 | 类型 | 默认值 | 是否必须 | 说明 | |-------------------|-----------------------------|-------------|------|----------------------------------------------------| | offset | Array<Integer> | [-50,-50] | 否 | 偏移量,默认值代表横向和纵向均偏移 -50%,也就是对齐中心点位置,偏移量单位为 %, 不支持 px | | fixedSize | Boolean | false | 否 | 是否固定大小, true代表在缩放过程中该item内容尺寸不变 | | rotate | Float | 0 | 否 | 旋转角度单位 deg (360度) | | draggable | Boolean | false | 否 | 是否可以拖拽移动 |
| position(v-model) | CurPosition | 无 | 是 | 该 item 在内容中的位置(百分比位置) |

Slots

| Slot | 说明 | |---------|-------------| | default | 直接填写需要放置的内容 |

Events

| 事件名 | 参数 | 说明 | |-----------------|-------------------------|---------------------------| | onMove | ( pos :Position)=> void | 每移动一点距离触发,返回当前位置 | | onMoveFinished | ( pos :Position)=> void | 移动结束(鼠标抬起或超出范围)触发, 返回当前位置 |

CurPosition

| 参数名 | 类型 | 默认值 | 是否必须 | 说明 | |-----|-------|-----|------|--------| | x | Float | 无 | 是 | 横向位置 % | | y | Float | 无 | 是 | 纵向位置 % |

Position extend CurPosition

| 参数名 | 类型 | 默认值 | 是否必须 | 说明 | |-----|--------------------------|-----|------|-------------------------------------------------------------------------| | x | Float | 无 | 是 | 横向位置 % | | y | Float | 无 | 是 | 纵向位置 % | | sub | (pos:Position)=>Position | 无 | 否 | 计算当前 Position 与 pos 之间的差值 new Position(this.x - pos.x, this.y - pos.y); | | add | (pos:Position)=>Position | 无 | 否 | 计算当前 Position 与 pos 之间的和值 new Position(this.x + pos.x, this.y + pos.y); |