效果图：html：<el-inputv-model="searchVal"placeholder="请输入关键词"clearablestyle="margin-bottom: 12px"/><div class="treeBox"><el-tree:data="sourceData"node-key="id"default-expand-all:expand-on-c

1.在vue.config.js里修改配置module.exports = {css: {loaderOptions: {less: {lessOptions: {modifyVars: {'primary-color': '#3d62ff',// 修改全局主题色},javascriptEnabled: true,},},},

性能优化实战

效果图：要点是：将需要文本内容溢出显示省略号的模块组件话，然后在页面渲染后进行计算父组件：<template><div class="list">... // 文本处理组件化<ellipsis-Text :group_item="item" /></div></template>子组件：<template><div cl

场景：vue项目运行后，修改代码，vscode立即自动进行编译解决：原因是因为vscode设置了自动保存功能，将其取消即可，见下图：

性能优化实战

git 回滚远程分支

1.下载 echartsnpm i -s echarts2.在main.js中引入import { createApp } from 'vue'import App from './App.vue'// 引入 echartsimport * as echarts from 'echarts'const app = createApp(App)// 全局挂载 echartsapp.config.gl

// 1.先判断手机相册是否授权；2.授权后再保存到相册toSave() {uni.showLoading({title: "正在生成图片",mask: true,});uni.getSetting({success: (res) => {if (!res.authSetting["scope.writePhotosAlbum"]) {uni...