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perf: add createImgPreview func (#713)
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jinmao88
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src/assets/svg/preview/p-rotate.svg
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<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1595306944988" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1820" xmlns:xlink="http://www.w3.org/1999/xlink" width="48" height="48"><defs><style type="text/css"></style></defs><path d="M1464.3 279.7" p-id="1821" fill="#ffffff"></path><path d="M512 960c-60.5 0-119.1-11.9-174.4-35.2-53.4-22.6-101.3-54.9-142.4-96s-73.4-89-96-142.4C75.9 631.1 64 572.5 64 512s11.9-119.1 35.2-174.4c22.6-53.4 54.9-101.3 96-142.4s89-73.4 142.4-96C392.9 75.9 451.5 64 512 64s119.1 11.9 174.4 35.2c53.4 22.6 101.3 54.9 142.4 96s73.4 89 96 142.4C948.1 392.9 960 451.5 960 512c0 19.1-15.5 34.6-34.6 34.6s-34.6-15.5-34.6-34.6c0-51.2-10-100.8-29.8-147.4-19.1-45.1-46.4-85.6-81.2-120.4C745 209.4 704.5 182 659.4 163c-46.7-19.7-96.3-29.8-147.4-29.8-51.2 0-100.8 10-147.4 29.8-45.1 19.1-85.6 46.4-120.4 81.2S182 319.5 163 364.6c-19.7 46.7-29.8 96.3-29.8 147.4 0 51.2 10 100.8 29.8 147.4 19.1 45.1 46.4 85.6 81.2 120.4C279 814.6 319.5 842 364.6 861c46.7 19.7 96.3 29.8 147.4 29.8 64.6 0 128.4-16.5 184.4-47.8 54.4-30.4 100.9-74.1 134.6-126.6 10.3-16.1 31.7-20.8 47.8-10.4 16.1 10.3 20.8 31.7 10.4 47.8-39.8 62-94.8 113.7-159.1 149.6-66.2 37-141.7 56.6-218.1 56.6z" p-id="1822" fill="#ffffff"></path><path d="M924 552c-19.8 0-36-16.2-36-36V228c0-19.8 16.2-36 36-36s36 16.2 36 36v288c0 19.8-16.2 36-36 36zM275.4 575.5c9.5-2.5 19.1 2.9 22.3 12.2 3.5 10.2 9.9 17.7 19.1 22.6 7.1 3.9 15.1 5.8 24 5.8 16.6 0 30.8-6.9 42.5-20.8 11.7-13.8 20-32.7 24.9-75.1-7.7 12.2-17.3 20.8-28.7 25.8-11.4 5-23.7 7.4-36.8 7.4-26.7 0-47.7-8.3-63.3-24.9-15.5-16.6-23.3-37.9-23.3-64.1 0-25.1 7.7-47.1 23-66.2 15.3-19 37.9-28.6 67.8-28.6 40.3 0 68.1 18.1 83.4 54.4 8.5 19.9 12.7 44.9 12.7 74.9 0 33.8-5.1 63.8-15.3 89.9-16.9 43.5-45.5 65.2-85.8 65.2-27 0-47.6-7.1-61.6-21.2-10-10.1-16.4-22-19.3-35.8-2-9.6 4-19.1 13.5-21.6l0.9 0.1z m103-74.4c9.4-7.5 14.1-20.6 14.1-39.3 0-16.8-4.2-29.3-12.7-37.5S360.6 412 347.5 412c-14 0-25.2 4.7-33.4 14.1-8.2 9.4-12.4 22-12.4 37.7 0 14.9 3.6 26.7 10.9 35.5 7.2 8.8 18.8 13.1 34.6 13.1 11.4 0 21.8-3.8 31.2-11.3zM646.6 414.4c12.4 22.8 18.5 54 18.5 93.7 0 37.6-5.6 68.7-16.8 93.3-16.2 35.3-42.8 52.9-79.6 52.9-33.2 0-57.9-14.4-74.2-43.3-13.5-24.1-20.3-56.4-20.3-97 0-31.4 4.1-58.4 12.2-80.9 15.2-42 42.7-63 82.5-63 35.9 0 61.8 14.8 77.7 44.3z m-40.2 173.3c9.4-13.9 14-39.9 14-78 0-27.4-3.4-50-10.1-67.7-6.8-17.7-19.9-26.6-39.4-26.6-17.9 0-31 8.4-39.3 25.2-8.3 16.8-12.4 41.6-12.4 74.3 0 24.6 2.6 44.4 7.9 59.4 8.1 22.8 22 34.3 41.6 34.3 15.7 0 28.3-7 37.7-20.9zM803.3 387.2c11.2 11.3 16.8 25 16.8 41.2 0 16.7-5.8 30.7-17.5 41.8C791 481.4 777.4 487 762 487c-17.1 0-31.2-5.8-42.1-17.4-10.9-11.6-16.4-25.1-16.4-40.6 0-16.5 5.8-30.4 17.3-41.7 11.5-11.3 25.3-17 41.2-17 16.3 0 30.1 5.7 41.3 16.9zM739.5 451c6.2 6.2 13.7 9.3 22.5 9.3 8.4 0 15.8-3.1 22.1-9.3 6.3-6.2 9.4-13.7 9.4-22.6 0-8.5-3.1-15.9-9.3-22.1-6.2-6.2-13.6-9.3-22.2-9.3s-16.1 3.1-22.4 9.3c-6.3 6.2-9.4 13.7-9.4 22.6-0.1 8.4 3 15.8 9.3 22.1z" p-id="1823" fill="#ffffff"></path></svg>
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src/assets/svg/preview/resume.svg
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<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1595307154239" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="7317" xmlns:xlink="http://www.w3.org/1999/xlink" width="48" height="48"><defs><style type="text/css"></style></defs><path d="M316 672h60c4.4 0 8-3.6 8-8V360c0-4.4-3.6-8-8-8h-60c-4.4 0-8 3.6-8 8v304c0 4.4 3.6 8 8 8zM512 622c22.1 0 40-17.9 40-39 0-23.1-17.9-41-40-41s-40 17.9-40 41c0 21.1 17.9 39 40 39zM512 482c22.1 0 40-17.9 40-39 0-23.1-17.9-41-40-41s-40 17.9-40 41c0 21.1 17.9 39 40 39z" p-id="7318" fill="#ffffff"></path><path d="M880 112H144c-17.7 0-32 14.3-32 32v736c0 17.7 14.3 32 32 32h736c17.7 0 32-14.3 32-32V144c0-17.7-14.3-32-32-32z m-40 728H184V184h656v656z" p-id="7319" fill="#ffffff"></path><path d="M648 672h60c4.4 0 8-3.6 8-8V360c0-4.4-3.6-8-8-8h-60c-4.4 0-8 3.6-8 8v304c0 4.4 3.6 8 8 8z" p-id="7320" fill="#ffffff"></path></svg>
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src/assets/svg/preview/scale.svg
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src/assets/svg/preview/scale.svg
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<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1595307195033" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="8116" xmlns:xlink="http://www.w3.org/1999/xlink" width="48" height="48"><defs><style type="text/css"></style></defs><path d="M887.081 904.791a25.8 25.8 0 0 1-18.376-7.619L705.618 734.075l-4.163 3.369c-58.255 47.18-131.522 73.16-206.32 73.16-181.07 0-328.377-147.308-328.377-328.367 0-181.068 147.308-328.376 328.377-328.376 181.063 0 328.376 147.308 328.376 328.376 0 77.072-27.412 152.07-77.169 211.17l-3.522 4.173 162.719 162.744a25.846 25.846 0 0 1 7.639 18.432 26.081 26.081 0 0 1-26.051 26.045l-0.046-0.01zM495.13 205.957c-152.336 0-276.27 123.935-276.27 276.27 0 152.33 123.934 276.27 276.27 276.27 152.34 0 276.275-123.94 276.275-276.27 0-152.335-123.935-276.27-276.275-276.27z" fill="#ffffff" p-id="8117"></path><path d="M626.545 508.355h-262.83a26.127 26.127 0 0 1 0-52.255h262.83a26.127 26.127 0 0 1 0 52.255z" fill="#ffffff" p-id="8118"></path><path d="M495.13 639.77a26.127 26.127 0 0 1-26.128-26.128v-262.83a26.127 26.127 0 0 1 52.255 0v262.835a26.127 26.127 0 0 1-26.127 26.123z" fill="#ffffff" p-id="8119"></path></svg>
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src/assets/svg/preview/unrotate.svg
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<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1595306911635" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="1352" width="48" height="48" xmlns:xlink="http://www.w3.org/1999/xlink"><defs><style type="text/css"></style></defs><path d="M924.8 337.6c-22.6-53.4-54.9-101.3-96-142.4s-89-73.4-142.4-96C631.1 75.9 572.5 64 512 64S392.9 75.9 337.6 99.2c-53.4 22.6-101.3 54.9-142.4 96-22.4 22.4-42.2 46.8-59.2 73.1V228c0-19.8-16.2-36-36-36s-36 16.2-36 36v288c0 19.8 16.2 36 36 36s36-16.2 36-36v-50.2c4.2-34.8 13.2-68.7 27-101.2 19.1-45.1 46.4-85.6 81.2-120.4C279 209.4 319.5 182 364.6 163c46.7-19.7 96.3-29.8 147.4-29.8 51.2 0 100.8 10 147.4 29.8 45.1 19.1 85.6 46.4 120.4 81.2C814.6 279 842 319.5 861 364.6c19.7 46.7 29.8 96.3 29.8 147.4 0 51.2-10 100.8-29.8 147.4-19.1 45.1-46.4 85.6-81.2 120.4C745 814.6 704.5 842 659.4 861c-46.7 19.7-96.3 29.8-147.4 29.8-64.6 0-128.4-16.5-184.4-47.8-54.4-30.4-100.9-74.1-134.6-126.6-10.3-16.1-31.7-20.8-47.8-10.4-16.1 10.3-20.8 31.7-10.4 47.8 39.8 62 94.8 113.7 159.1 149.6 66.2 37 141.7 56.6 218.1 56.6 60.5 0 119.1-11.9 174.4-35.2 53.4-22.6 101.3-54.9 142.4-96 41.1-41.1 73.4-89 96-142.4C948.1 631.1 960 572.5 960 512s-11.9-119.1-35.2-174.4z" p-id="1353" fill="#ffffff"></path><path d="M275.4 575.5c9.5-2.5 19.1 2.9 22.3 12.2 3.5 10.2 9.9 17.7 19.1 22.6 7.1 3.9 15.1 5.8 24 5.8 16.6 0 30.8-6.9 42.5-20.8 11.7-13.8 20-32.7 24.9-75.1-7.7 12.2-17.3 20.8-28.7 25.8-11.4 5-23.7 7.4-36.8 7.4-26.7 0-47.7-8.3-63.3-24.9-15.5-16.6-23.3-37.9-23.3-64.1 0-25.1 7.7-47.1 23-66.2 15.3-19 37.9-28.6 67.8-28.6 40.3 0 68.1 18.1 83.4 54.4 8.5 19.9 12.7 44.9 12.7 74.9 0 33.8-5.1 63.8-15.3 89.9-16.9 43.5-45.5 65.2-85.8 65.2-27 0-47.6-7.1-61.6-21.2-10-10.1-16.4-22-19.3-35.8-2-9.6 4-19.1 13.5-21.6l0.9 0.1z m103-74.4c9.4-7.5 14.1-20.6 14.1-39.3 0-16.8-4.2-29.3-12.7-37.5S360.6 412 347.5 412c-14 0-25.2 4.7-33.4 14.1-8.2 9.4-12.4 22-12.4 37.7 0 14.9 3.6 26.7 10.9 35.5 7.2 8.8 18.8 13.1 34.6 13.1 11.4 0 21.8-3.8 31.2-11.3zM646.6 414.4c12.4 22.8 18.5 54 18.5 93.7 0 37.6-5.6 68.7-16.8 93.3-16.2 35.3-42.8 52.9-79.6 52.9-33.2 0-57.9-14.4-74.2-43.3-13.5-24.1-20.3-56.4-20.3-97 0-31.4 4.1-58.4 12.2-80.9 15.2-42 42.7-63 82.5-63 35.9 0 61.8 14.8 77.7 44.3z m-40.2 173.3c9.4-13.9 14-39.9 14-78 0-27.4-3.4-50-10.1-67.7-6.8-17.7-19.9-26.6-39.4-26.6-17.9 0-31 8.4-39.3 25.2-8.3 16.8-12.4 41.6-12.4 74.3 0 24.6 2.6 44.4 7.9 59.4 8.1 22.8 22 34.3 41.6 34.3 15.7 0 28.3-7 37.7-20.9zM803.3 387.2c11.2 11.3 16.8 25 16.8 41.2 0 16.7-5.8 30.7-17.5 41.8C791 481.4 777.4 487 762 487c-17.1 0-31.2-5.8-42.1-17.4-10.9-11.6-16.4-25.1-16.4-40.6 0-16.5 5.8-30.4 17.3-41.7 11.5-11.3 25.3-17 41.2-17 16.3 0 30.1 5.7 41.3 16.9zM739.5 451c6.2 6.2 13.7 9.3 22.5 9.3 8.4 0 15.8-3.1 22.1-9.3 6.3-6.2 9.4-13.7 9.4-22.6 0-8.5-3.1-15.9-9.3-22.1-6.2-6.2-13.6-9.3-22.2-9.3s-16.1 3.1-22.4 9.3c-6.3 6.2-9.4 13.7-9.4 22.6-0.1 8.4 3 15.8 9.3 22.1z" p-id="1354" fill="#ffffff"></path></svg>
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src/assets/svg/preview/unscale.svg
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src/assets/svg/preview/unscale.svg
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<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1595308005241" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="9878" xmlns:xlink="http://www.w3.org/1999/xlink" width="48" height="48"><defs><style type="text/css"></style></defs><path d="M750.3 198.7C598 46.4 351.1 46.4 198.7 198.7s-152.3 399.2 0 551.5C345.1 896.6 578.8 902.3 732 767.3l172.1 172.1 35.4-35.4-172.1-171.9c135-153.2 129.3-387-17.1-533.4z m39.3 403.8c-17.1 42.1-42.2 80-74.7 112.4-32.5 32.5-70.3 57.6-112.4 74.7-40.7 16.5-83.8 24.9-128 24.9s-87.2-8.4-128-24.9c-42.1-17.1-80-42.2-112.4-74.7s-57.6-70.3-74.7-112.4c-16.5-40.7-24.9-83.8-24.9-128s8.4-87.2 24.9-128c17.1-42.1 42.2-80 74.7-112.4s70.3-57.6 112.4-74.7c40.7-16.5 83.8-24.9 128-24.9s87.2 8.4 128 24.9c42.1 17.1 80 42.2 112.4 74.7 32.5 32.5 57.6 70.3 74.7 112.4 16.5 40.7 24.9 83.8 24.9 128s-8.4 87.3-24.9 128zM671 502H271v-50h400v50z" fill="#ffffff" p-id="9879"></path></svg>
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export { default as ImagePreview } from './src/Preview.vue';
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export { createImgPreview } from './src/functional';
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22
src/components/Preview/src/functional.ts
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src/components/Preview/src/functional.ts
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import ImgPreview from './index';
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import { isClient } from '/@/utils/is';
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import type { Options, Props } from './types';
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import { createVNode, render } from 'vue';
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let instance: any = null;
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export function createImgPreview(options: Options) {
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if (!isClient) return;
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const { imageList, show = true, index = 0 } = options;
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const propsData: Partial<Props> = {};
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const container = document.createElement('div');
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propsData.imageList = imageList;
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propsData.show = show;
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propsData.index = index;
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instance = createVNode(ImgPreview, propsData);
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render(instance, container);
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document.body.appendChild(container);
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}
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118
src/components/Preview/src/index.less
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src/components/Preview/src/index.less
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.img-preview {
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position: fixed;
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top: 0;
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right: 0;
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bottom: 0;
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left: 0;
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z-index: @preview-comp-z-index;
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background: rgba(0, 0, 0, 0.5);
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user-select: none;
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&-content {
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display: flex;
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width: 100%;
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height: 100%;
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color: @white;
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justify-content: center;
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align-items: center;
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}
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&-image {
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cursor: pointer;
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transition: transform 0.3s;
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}
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&__close {
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position: absolute;
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top: -40px;
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right: -40px;
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width: 80px;
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height: 80px;
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overflow: hidden;
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color: @white;
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cursor: pointer;
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background-color: rgba(0, 0, 0, 0.5);
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border-radius: 50%;
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transition: all 0.2s;
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&-icon {
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position: absolute;
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top: 46px;
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left: 16px;
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font-size: 16px;
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}
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&:hover {
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background-color: rgba(0, 0, 0, 0.8);
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}
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}
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&__index {
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position: absolute;
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bottom: 5%;
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left: 50%;
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padding: 0 22px;
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font-size: 16px;
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background: rgba(109, 109, 109, 0.6);
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border-radius: 15px;
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transform: translateX(-50%);
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}
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&__controller {
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position: absolute;
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bottom: 10%;
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left: 50%;
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display: flex;
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width: 260px;
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height: 44px;
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padding: 0 22px;
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margin-left: -139px;
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background: rgba(109, 109, 109, 0.6);
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border-radius: 22px;
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justify-content: center;
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&-item {
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display: flex;
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height: 100%;
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padding: 0 9px;
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font-size: 24px;
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cursor: pointer;
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transition: all 0.2s;
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&:hover {
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transform: scale(1.2);
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}
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img {
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width: 1em;
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}
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}
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}
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&__arrow {
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position: absolute;
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top: 50%;
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display: flex;
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align-items: center;
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justify-content: center;
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width: 50px;
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height: 50px;
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font-size: 28px;
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cursor: pointer;
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background-color: rgba(0, 0, 0, 0.5);
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border-radius: 50%;
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transition: all 0.2s;
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&:hover {
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background-color: rgba(0, 0, 0, 0.8);
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}
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&.left {
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left: 50px;
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}
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&.right {
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right: 50px;
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||||
}
|
||||
}
|
||||
}
|
||||
305
src/components/Preview/src/index.tsx
Normal file
305
src/components/Preview/src/index.tsx
Normal file
@ -0,0 +1,305 @@
|
||||
import './index.less';
|
||||
|
||||
import { defineComponent, ref, unref, computed, reactive, watchEffect } from 'vue';
|
||||
|
||||
// @ts-ignore
|
||||
import { basicProps } from './props';
|
||||
// @ts-ignore
|
||||
import { Props } from './types';
|
||||
|
||||
import { CloseOutlined, LeftOutlined, RightOutlined } from '@ant-design/icons-vue';
|
||||
// import { Spin } from 'ant-design-vue';
|
||||
|
||||
import resumeSvg from '/@/assets/svg/preview/resume.svg';
|
||||
import rotateSvg from '/@/assets/svg/preview/p-rotate.svg';
|
||||
import scaleSvg from '/@/assets/svg/preview/scale.svg';
|
||||
import unScaleSvg from '/@/assets/svg/preview/unscale.svg';
|
||||
import unRotateSvg from '/@/assets/svg/preview/unrotate.svg';
|
||||
enum StatueEnum {
|
||||
LOADING,
|
||||
DONE,
|
||||
FAIL,
|
||||
}
|
||||
interface ImgState {
|
||||
currentUrl: string;
|
||||
imgScale: number;
|
||||
imgRotate: number;
|
||||
imgTop: number;
|
||||
imgLeft: number;
|
||||
currentIndex: number;
|
||||
status: StatueEnum;
|
||||
moveX: number;
|
||||
moveY: number;
|
||||
show: boolean;
|
||||
}
|
||||
|
||||
const prefixCls = 'img-preview';
|
||||
export default defineComponent({
|
||||
name: 'ImagePreview',
|
||||
props: basicProps,
|
||||
setup(props: Props) {
|
||||
const imgState = reactive<ImgState>({
|
||||
currentUrl: '',
|
||||
imgScale: 1,
|
||||
imgRotate: 0,
|
||||
imgTop: 0,
|
||||
imgLeft: 0,
|
||||
status: StatueEnum.LOADING,
|
||||
currentIndex: 0,
|
||||
moveX: 0,
|
||||
moveY: 0,
|
||||
show: props.show,
|
||||
});
|
||||
|
||||
const wrapElRef = ref<HTMLDivElement | null>(null);
|
||||
const imgElRef = ref<HTMLImageElement | null>(null);
|
||||
|
||||
// 初始化
|
||||
function init() {
|
||||
initMouseWheel();
|
||||
const { index, imageList } = props;
|
||||
|
||||
if (!imageList || !imageList.length) {
|
||||
throw new Error('imageList is undefined');
|
||||
}
|
||||
imgState.currentIndex = index;
|
||||
handleIChangeImage(imageList[index]);
|
||||
}
|
||||
|
||||
// 重置
|
||||
function initState() {
|
||||
imgState.imgScale = 1;
|
||||
imgState.imgRotate = 0;
|
||||
imgState.imgTop = 0;
|
||||
imgState.imgLeft = 0;
|
||||
}
|
||||
|
||||
// 初始化鼠标滚轮事件
|
||||
function initMouseWheel() {
|
||||
const wrapEl = unref(wrapElRef);
|
||||
if (!wrapEl) {
|
||||
return;
|
||||
}
|
||||
(wrapEl as any).onmousewheel = scrollFunc;
|
||||
// 火狐浏览器没有onmousewheel事件，用DOMMouseScroll代替
|
||||
document.body.addEventListener('DOMMouseScroll', scrollFunc);
|
||||
// 禁止火狐浏览器下拖拽图片的默认事件
|
||||
document.ondragstart = function () {
|
||||
return false;
|
||||
};
|
||||
}
|
||||
|
||||
// 监听鼠标滚轮
|
||||
function scrollFunc(e: any) {
|
||||
e = e || window.event;
|
||||
e.delta = e.wheelDelta || -e.detail;
|
||||
|
||||
e.preventDefault();
|
||||
if (e.delta > 0) {
|
||||
// 滑轮向上滚动
|
||||
scaleFunc(0.015);
|
||||
}
|
||||
if (e.delta < 0) {
|
||||
// 滑轮向下滚动
|
||||
scaleFunc(-0.015);
|
||||
}
|
||||
}
|
||||
// 缩放函数
|
||||
function scaleFunc(num: number) {
|
||||
if (imgState.imgScale <= 0.2 && num < 0) return;
|
||||
imgState.imgScale += num;
|
||||
}
|
||||
|
||||
// 旋转图片
|
||||
function rotateFunc(deg: number) {
|
||||
imgState.imgRotate += deg;
|
||||
}
|
||||
|
||||
// 鼠标事件
|
||||
function handleMouseUp() {
|
||||
const imgEl = unref(imgElRef);
|
||||
if (!imgEl) return;
|
||||
imgEl.onmousemove = null;
|
||||
}
|
||||
|
||||
// 更换图片
|
||||
function handleIChangeImage(url: string) {
|
||||
imgState.status = StatueEnum.LOADING;
|
||||
const img = new Image();
|
||||
img.src = url;
|
||||
img.onload = () => {
|
||||
imgState.currentUrl = url;
|
||||
imgState.status = StatueEnum.DONE;
|
||||
};
|
||||
img.onerror = () => {
|
||||
imgState.status = StatueEnum.FAIL;
|
||||
};
|
||||
}
|
||||
|
||||
// 关闭
|
||||
function handleClose(e: MouseEvent) {
|
||||
e && e.stopPropagation();
|
||||
imgState.show = false;
|
||||
// 移除火狐浏览器下的鼠标滚动事件
|
||||
document.body.removeEventListener('DOMMouseScroll', scrollFunc);
|
||||
// 恢复火狐及Safari浏览器下的图片拖拽
|
||||
document.ondragstart = null;
|
||||
}
|
||||
|
||||
// 图片复原
|
||||
function resume() {
|
||||
initState();
|
||||
}
|
||||
|
||||
// 上一页下一页
|
||||
function handleChange(direction: 'left' | 'right') {
|
||||
const { currentIndex } = imgState;
|
||||
const { imageList } = props;
|
||||
if (direction === 'left') {
|
||||
imgState.currentIndex--;
|
||||
if (currentIndex <= 0) {
|
||||
imgState.currentIndex = imageList.length - 1;
|
||||
}
|
||||
}
|
||||
if (direction === 'right') {
|
||||
imgState.currentIndex++;
|
||||
if (currentIndex >= imageList.length - 1) {
|
||||
imgState.currentIndex = 0;
|
||||
}
|
||||
}
|
||||
handleIChangeImage(imageList[imgState.currentIndex]);
|
||||
}
|
||||
|
||||
function handleAddMoveListener(e: MouseEvent) {
|
||||
e = e || window.event;
|
||||
imgState.moveX = e.clientX;
|
||||
imgState.moveY = e.clientY;
|
||||
const imgEl = unref(imgElRef);
|
||||
if (imgEl) {
|
||||
imgEl.onmousemove = moveFunc;
|
||||
}
|
||||
}
|
||||
|
||||
function moveFunc(e: MouseEvent) {
|
||||
e = e || window.event;
|
||||
e.preventDefault();
|
||||
const movementX = e.clientX - imgState.moveX;
|
||||
const movementY = e.clientY - imgState.moveY;
|
||||
imgState.imgLeft += movementX;
|
||||
imgState.imgTop += movementY;
|
||||
imgState.moveX = e.clientX;
|
||||
imgState.moveY = e.clientY;
|
||||
}
|
||||
|
||||
// 获取图片样式
|
||||
const getImageStyle = computed(() => {
|
||||
const { imgScale, imgRotate, imgTop, imgLeft } = imgState;
|
||||
return {
|
||||
transform: `scale(${imgScale}) rotate(${imgRotate}deg)`,
|
||||
marginTop: `${imgTop}px`,
|
||||
marginLeft: `${imgLeft}px`,
|
||||
};
|
||||
});
|
||||
|
||||
const getIsMultipleImage = computed(() => {
|
||||
const { imageList } = props;
|
||||
return imageList.length > 1;
|
||||
});
|
||||
|
||||
watchEffect(() => {
|
||||
if (props.show) {
|
||||
init();
|
||||
}
|
||||
if (props.imageList) {
|
||||
initState();
|
||||
}
|
||||
});
|
||||
|
||||
const renderClose = () => {
|
||||
return (
|
||||
<div class={`${prefixCls}__close`} onClick={handleClose}>
|
||||
<CloseOutlined class={`${prefixCls}__close-icon`} />
|
||||
</div>
|
||||
);
|
||||
};
|
||||
|
||||
const renderIndex = () => {
|
||||
if (!unref(getIsMultipleImage)) {
|
||||
return null;
|
||||
}
|
||||
const { currentIndex } = imgState;
|
||||
const { imageList } = props;
|
||||
return (
|
||||
<div class={`${prefixCls}__index`}>
|
||||
{currentIndex + 1} / {imageList.length}
|
||||
</div>
|
||||
);
|
||||
};
|
||||
|
||||
const renderController = () => {
|
||||
return (
|
||||
<div class={`${prefixCls}__controller`}>
|
||||
<div class={`${prefixCls}__controller-item`} onClick={() => scaleFunc(-0.15)}>
|
||||
<img src={unScaleSvg} />
|
||||
</div>
|
||||
<div class={`${prefixCls}__controller-item`} onClick={() => scaleFunc(0.15)}>
|
||||
<img src={scaleSvg} />
|
||||
</div>
|
||||
<div class={`${prefixCls}__controller-item`} onClick={resume}>
|
||||
<img src={resumeSvg} />
|
||||
</div>
|
||||
<div class={`${prefixCls}__controller-item`} onClick={() => rotateFunc(-90)}>
|
||||
<img src={unRotateSvg} />
|
||||
</div>
|
||||
<div class={`${prefixCls}__controller-item`} onClick={() => rotateFunc(90)}>
|
||||
<img src={rotateSvg} />
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
};
|
||||
|
||||
const renderArrow = (direction: 'left' | 'right') => {
|
||||
if (!unref(getIsMultipleImage)) {
|
||||
return null;
|
||||
}
|
||||
return (
|
||||
<div class={[`${prefixCls}__arrow`, direction]} onClick={() => handleChange(direction)}>
|
||||
{direction === 'left' ? <LeftOutlined /> : <RightOutlined />}
|
||||
</div>
|
||||
);
|
||||
};
|
||||
|
||||
return () => {
|
||||
return (
|
||||
imgState.show && (
|
||||
<div class={prefixCls} ref={wrapElRef} onMouseup={handleMouseUp}>
|
||||
<div class={`${prefixCls}-content`}>
|
||||
{/*<Spin*/}
|
||||
{/* indicator={<LoadingOutlined style="font-size: 24px" spin />}*/}
|
||||
{/* spinning={true}*/}
|
||||
{/* class={[*/}
|
||||
{/* `${prefixCls}-image`,*/}
|
||||
{/* {*/}
|
||||
{/* hidden: imgState.status !== StatueEnum.LOADING,*/}
|
||||
{/* },*/}
|
||||
{/* ]}*/}
|
||||
{/*/>*/}
|
||||
<img
|
||||
style={unref(getImageStyle)}
|
||||
class={[`${prefixCls}-image`, imgState.status === StatueEnum.DONE ? '' : 'hidden']}
|
||||
ref={imgElRef}
|
||||
src={imgState.currentUrl}
|
||||
onMousedown={handleAddMoveListener}
|
||||
/>
|
||||
{renderClose()}
|
||||
{renderIndex()}
|
||||
{renderController()}
|
||||
{renderArrow('left')}
|
||||
{renderArrow('right')}
|
||||
</div>
|
||||
</div>
|
||||
)
|
||||
);
|
||||
};
|
||||
},
|
||||
});
|
||||
15
src/components/Preview/src/props.ts
Normal file
15
src/components/Preview/src/props.ts
Normal file
@ -0,0 +1,15 @@
|
||||
import { PropType } from 'vue';
|
||||
export const basicProps = {
|
||||
show: {
|
||||
type: Boolean as PropType<boolean>,
|
||||
default: false,
|
||||
},
|
||||
imageList: {
|
||||
type: [Array] as PropType<string[]>,
|
||||
default: null,
|
||||
},
|
||||
index: {
|
||||
type: Number as PropType<number>,
|
||||
default: 0,
|
||||
},
|
||||
};
|
||||
30
src/components/Preview/src/types.ts
Normal file
30
src/components/Preview/src/types.ts
Normal file
@ -0,0 +1,30 @@
|
||||
export interface Options {
|
||||
show?: boolean;
|
||||
imageList: string[];
|
||||
index?: number;
|
||||
}
|
||||
|
||||
export interface Props {
|
||||
show: boolean;
|
||||
instance: Props;
|
||||
imageList: string[];
|
||||
index: number;
|
||||
}
|
||||
|
||||
export interface ImageProps {
|
||||
alt?: string;
|
||||
fallback?: string;
|
||||
src: string;
|
||||
width: string | number;
|
||||
height?: string | number;
|
||||
placeholder?: string | boolean;
|
||||
preview?:
|
||||
| boolean
|
||||
| {
|
||||
visible?: boolean;
|
||||
onVisibleChange?: (visible: boolean, prevVisible: boolean) => void;
|
||||
getContainer: string | HTMLElement | (() => HTMLElement);
|
||||
};
|
||||
}
|
||||
|
||||
export type ImageItem = string | ImageProps;
|
||||
@ -1,11 +1,12 @@
|
||||
<template>
|
||||
<PageWrapper title="图片预览示例">
|
||||
<p @click="openImg">打开图片</p>
|
||||
<ImagePreview :imageList="imgList" />
|
||||
</PageWrapper>
|
||||
</template>
|
||||
<script lang="ts">
|
||||
import { defineComponent } from 'vue';
|
||||
import { ImagePreview } from '/@/components/Preview/index';
|
||||
import { createImgPreview, ImagePreview } from '/@/components/Preview/index';
|
||||
import { PageWrapper } from '/@/components/Page';
|
||||
|
||||
const imgList: string[] = [
|
||||
@ -16,7 +17,10 @@
|
||||
export default defineComponent({
|
||||
components: { PageWrapper, ImagePreview },
|
||||
setup() {
|
||||
return { imgList };
|
||||
function openImg() {
|
||||
createImgPreview({ imageList: imgList });
|
||||
}
|
||||
return { imgList, openImg };
|
||||
},
|
||||
});
|
||||
</script>
|
||||
|
||||
Loading…
Reference in New Issue
Block a user