{"id":28467,"date":"2024-11-25T12:53:38","date_gmt":"2024-11-25T04:53:38","guid":{"rendered":"https:\/\/fwq.ai\/blog\/28467\/"},"modified":"2024-11-25T12:53:38","modified_gmt":"2024-11-25T04:53:38","slug":"%e5%be%ae%e4%bf%a1%e5%b0%8f%e7%a8%8b%e5%ba%8f%e4%b8%ad%e5%9b%be%e7%89%87%e9%a2%84%e5%8a%a0%e8%bd%bd%e7%bb%84%e4%bb%b6-wxapp-img-loader%e7%9a%84%e4%bd%bf%e7%94%a8%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/28467\/","title":{"rendered":"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u56fe\u7247\u9884\u52a0\u8f7d\u7ec4\u4ef6 wxapp-img-loader\u7684\u4f7f\u7528\u4ecb\u7ecd"},"content":{"rendered":"

\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5e26\u6765\u7684\u5185\u5bb9\u662f\u5173\u4e8e\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u56fe\u7247\u9884\u52a0\u8f7d\u7ec4\u4ef6 wxapp-img-loader\u7684\u4f7f\u7528\u4ecb\u7ecd\uff0c\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u6709\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n

\u7531\u4e8e\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u6ca1\u6709\u63d0\u4f9b\u7c7b\u4f3c Image \u8fd9\u6837\u7684 JS \u5bf9\u8c61\uff0c\u8981\u5b9e\u73b0\u56fe\u7247\u7684\u9884\u52a0\u8f7d\u8981\u9ebb\u70e6\u4e00\u4e9b\uff0c wxapp-img-loader\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u53ef\u4ee5\u5728\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u5b9e\u73b0\u56fe\u7247\u9884\u52a0\u8f7d\u529f\u80fd\u3002<\/p>\n

\u4f7f\u7528<\/strong><\/p>\n

1\u3001\u4e0b\u8f7d wxapp-img-loader\u9879\u76ee\u6e90\u4ee3\u7801\uff08https:\/\/github.com\/o2team\/wxa…\uff09\uff0c\u5c06 img-loader \u76ee\u5f55\u62f7\u8d1d\u5230\u4f60\u7684\u9879\u76ee\u4e2d<\/p>\n

2\u3001\u5728\u9875\u9762\u7684 WXML \u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff0c\u5c06\u7ec4\u4ef6\u6a21\u677f\u5f15\u5165<\/p>\n

<import src=\"..\/..\/img-loader\/img-loader.wxml\"\/>\n<template is=\"img-loader\" data=\"{{ imgLoadList }}\"><\/template><\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
3\u3001\u5728\u9875\u9762\u7684 JS \u6587\u4ef6\u4e2d\u5f15\u5165\u7ec4\u4ef6\u811a\u672c<\/p>\n
const ImgLoader = require('..\/..\/img-loader\/img-loader.js')<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
4\u3001\u5b9e\u4f8b\u5316\u4e00\u4e2a ImgLoader \u5bf9\u8c61\uff0c\u5c06 this(\u5f53\u524d Page \u5bf9\u8c61) \u4f20\u5165\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u53ef\u9009\uff0c\u4e3a\u9ed8\u8ba4\u7684\u56fe\u7247\u52a0\u8f7d\u5b8c\u6210\u7684\u56de\u8c03\u65b9\u6cd5<\/p>\n
this.imgLoader = new ImgLoader(this)<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
5\u3001\u8c03\u7528 ImgLoader \u5b9e\u4f8b\u7684 load \u65b9\u6cd5\u8fdb\u884c\u56fe\u7247\u52a0\u8f7d\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\u56fe\u7247\u94fe\u63a5\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u53ef\u9009\uff0c\u4e3a\u8be5\u5f20\u56fe\u7247\u52a0\u8f7d\u5b8c\u6210\u65f6\u7684\u56de\u8c03\u65b9\u6cd5\u3002\u56fe\u7247\u52a0\u8f7d\u5b8c\u6210\u7684\u56de\u8c03\u65b9\u6cd5\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\u9519\u8bef\u4fe1\u606f\uff08\u52a0\u8f7d\u6210\u529f\u5219\u4e3a null\uff09\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\u56fe\u7247\u4fe1\u606f\uff08Object \u7c7b\u578b\uff0c\u5305\u62ec src\u3001width \u53ca height\uff09\u3002<\/p>\n
this.imgLoader.load(imgUrlOriginal, (err, data) => {    console.log('\u56fe\u7247\u52a0\u8f7d\u5b8c\u6210', err, data.src, data.width, data.height)\n})<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
wxapp-img-loader\u7ec4\u4ef6\u53ef\u4ee5\u52a0\u8f7d\u5355\u5f20\u56fe\u7247\u3001\u4e5f\u53ef\u4ee5\u52a0\u8f7d\u591a\u5f20\u56fe\u7247\u3002<\/p>\n
\u8fd0\u884c\u6548\u679c\uff1a
\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u56fe\u7247\u9884\u52a0\u8f7d\u7ec4\u4ef6<\/span><\/p>\n
\"\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u56fe\u7247\u9884\u52a0\u8f7d\u7ec4\u4ef6<\/span><\/span><\/p>\n
\u5176\u4ed6<\/strong><\/p>\n
wxapp-img-loader\u9879\u76ee\u5730\u5740\uff1ahttps:\/\/github.com\/o2team\/wxa…<\/p>\n<\/p>\n
\u4ee5\u4e0a\u5c31\u662f\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u56fe\u7247\u9884\u52a0\u8f7d\u7ec4\u4ef6 wxapp-img-loader\u7684\u4f7f\u7528\u4ecb\u7ecd\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u672c\u7bc7\u6587\u7ae0\u7ed9\u5927\u5bb6\u5e26\u6765\u7684\u5185\u5bb9\u662f\u5173\u4e8e\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u56fe\u7247\u9884\u52a0\u8f7d\u7ec4\u4ef6 wxapp-img-loader\u7684\u4f7f\u7528\u4ecb\u7ecd\uff0c\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u6709\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\u3002 \u7531\u4e8e\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u6ca1\u6709\u63d0\u4f9b\u7c7b\u4f3c Image \u8fd9\u6837\u7684 JS \u5bf9\u8c61\uff0c\u8981\u5b9e\u73b0\u56fe\u7247\u7684\u9884\u52a0\u8f7d\u8981\u9ebb\u70e6\u4e00\u4e9b\uff0c wxapp-img-loader\u81ea\u5b9a\u4e49\u7ec4\u4ef6\u53ef\u4ee5\u5728\u5fae\u4fe1\u5c0f\u7a0b\u5e8f\u4e2d\u5b9e\u73b0\u56fe\u7247\u9884\u52a0\u8f7d\u529f\u80fd\u3002 \u4f7f\u7528 1\u3001\u4e0b\u8f7d wxapp-img-loader\u9879\u76ee\u6e90\u4ee3\u7801\uff08https:\/\/github.com\/o2team\/wxa…\uff09\uff0c\u5c06 img-loader \u76ee\u5f55\u62f7\u8d1d\u5230\u4f60\u7684\u9879\u76ee\u4e2d 2\u3001\u5728\u9875\u9762\u7684 WXML \u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\uff0c\u5c06\u7ec4\u4ef6\u6a21\u677f\u5f15\u5165 <import src=”..\/..\/img-loader\/img-loader.wxml”\/> <template is=”img-loader” data=”{{ imgLoadList }}”><\/template> \u767b\u5f55\u540e\u590d\u5236 3\u3001\u5728\u9875\u9762\u7684 JS \u6587\u4ef6\u4e2d\u5f15\u5165\u7ec4\u4ef6\u811a\u672c const ImgLoader = require(‘..\/..\/img-loader\/img-loader.js’) \u767b\u5f55\u540e\u590d\u5236 4\u3001\u5b9e\u4f8b\u5316\u4e00\u4e2a ImgLoader \u5bf9\u8c61\uff0c\u5c06 this(\u5f53\u524d Page \u5bf9\u8c61) \u4f20\u5165\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u53ef\u9009\uff0c\u4e3a\u9ed8\u8ba4\u7684\u56fe\u7247\u52a0\u8f7d\u5b8c\u6210\u7684\u56de\u8c03\u65b9\u6cd5 this.imgLoader = new ImgLoader(this) \u767b\u5f55\u540e\u590d\u5236 5\u3001\u8c03\u7528 ImgLoader \u5b9e\u4f8b\u7684 load \u65b9\u6cd5\u8fdb\u884c\u56fe\u7247\u52a0\u8f7d\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\u56fe\u7247\u94fe\u63a5\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u53ef\u9009\uff0c\u4e3a\u8be5\u5f20\u56fe\u7247\u52a0\u8f7d\u5b8c\u6210\u65f6\u7684\u56de\u8c03\u65b9\u6cd5\u3002\u56fe\u7247\u52a0\u8f7d\u5b8c\u6210\u7684\u56de\u8c03\u65b9\u6cd5\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\u9519\u8bef\u4fe1\u606f\uff08\u52a0\u8f7d\u6210\u529f\u5219\u4e3a null\uff09\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\u56fe\u7247\u4fe1\u606f\uff08Object \u7c7b\u578b\uff0c\u5305\u62ec src\u3001width \u53ca height\uff09\u3002 this.imgLoader.load(imgUrlOriginal, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[],"class_list":["post-28467","post","type-post","status-publish","format-standard","hentry","category-19"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/28467","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=28467"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/28467\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=28467"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=28467"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=28467"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}