jsx | 易学教程

How to add a classname/id to React-Bootstrap Component?

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问题 Suppose we are using Row from React-Bootstrap... How do we style it without using a wrapper or inner element: <Row> <div className='some-style'> ... </Row> Ideally we could just do: <Row className='some-style> ... </Row> But this doesn't work and I'd presume it's because React-Bootstrap does not know where the className goes within the Row component (it should just style the div that has the row's styles I think) 回答1: If you look at the code for the component you can see that it uses the

element-ui自定义table表头，修改列标题样式

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elementUI table表格一般的样式是这样的：但是要改变表头是比较麻烦的一个事情，但是往往有些项目是需要的比如改成如下样式：一般直接改起来挺麻烦，好在官网提供了一个方法： render-header 参数说明类型可选值默认值 render-header 列标题 Label 区域渲染使用的 Function Function(h, { column, $index }) — — 根据官方的方法来实现有两个方法：方法一：vue的render函数来直接实现 <template> <div> <h2 align= " center " >自定义表头样式</h2> <el-table :data= " tableData " border stripe> <el-table-column prop= " name " label= " 姓名 " align= " center " :render-header= " renderHeader " > </el-table-column> <el-table-column prop= " date " label= " 日期 " align= " center " > </el-table-column> <el-table-column prop= " address " label= " 地址 " align= "

element ui表格表头的的特殊处理（换行/jsx风格表头）以及上传组件的一点小问题

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< template > < div > < el-table :data ="tableData" style ="width: 100%" > < el-table-column align ="center" label ="Date" prop ="date" ></ el-table-column > < el-table-column align ="center" :label ="'姓名\n(注：element ui 表格表头换行)'" prop ="name" ></ el-table-column > < el-table-column align ="center" :render-header ="renderHeader" > < template slot-scope ="scope" > < span > {{scope.row.address}} </ span > </ template > </ el-table-column > </ el-table > </ div > </ template

Ant Design Pro：Layout 组件——嵌套布局

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在 BasicLayout.jsx 文件中修改 <ProLayout layout="topmenu" className="chenshuai2144" disableMobile rightContentRender={ (rightProps) => <RightContent {...rightProps} {...settings} /> } contentStyle={{ margin: 0 }} navTheme="light" > <ProLayout navTheme="light" menuHeaderRender={false} onCollapse={handleMenuCollapse} menuDataRender={menuDataRender} menuItemRender={(menuItemProps, defaultDom) => { if (menuItemProps.isUrl || menuItemProps.children || !menuItemProps.path) { return defaultDom; } return <Link to={menuItemProps.path}>{defaultDom}</Link>; }} {...props} {...settings}> {children} </ProLayout>

React TypeScript HoC - passing Component as the prop

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问题 Following this tutorial: https://reacttraining.com/react-router/web/example/auth-workflow. Trying to reproduce the code: const PrivateRoute = ({ component: Component, ...rest }) => ( <Route {...rest} render={props => fakeAuth.isAuthenticated ? ( <Component {...props} /> ) : ( <Redirect to={{ pathname: "/login", state: { from: props.location } }} /> ) } /> ); In TypeScript: import * as React from 'react'; import { Route, RouterProps } from 'react-router'; interface Props extends RouterProps {

React TypeScript HoC - passing Component as the prop

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从0开始搭建vue+webpack脚手架（二）

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接着从0开始搭建vue+webpack脚手架（一）三、配置webpack-dev-server 　　1. webpack-dev-server自带一个node的服务器，项目在服务端运行的同时可以实现热更新加载　　2. 安装兼容环境变量的包 cross-env 　　（1）原因：构建项目时分生产环境和开发环境，此时webpack需要配置production和development模式，需要使用一个变量来作条件判断，而不同的平台上设置环境变量方式不同，在Mac平台是 NODE_ENV=production 而windows平台上是set NODE_ENV=production,，所以需要使用cross-env 　　（2）安装 1 $ npm i -D cross-env 　　（3）将package.json运行脚本改为如下： 1 "scripts" : { 2 "test": "echo \"Error: no test specified\" && exit 1" , 3 "build": "cross-env NODE_ENV=production webpack --progress --colors" , 4 "dev": "cross-env NODE_ENV=development webpack-dev-server --colors --modules -

【vue】使用vue+element搭建项目，Tree树形控件使用

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目录一、安装依赖二、常用属性、事件三、 demo应用　　 html代码属性用法 3.2.1 :default-expanded-keys(默认展开项) 3.2.2 :props= "defaultProps" 用法 3.2.3 通过render-content方法定义树节点内容(js代码) 3.2.4 :load="loadChildData" （load 加载子树数据的方法，仅仅当lazy属性为true时生效） (js代码) 3.2.5 @node-click="handleNodeClick" 3.2.6 更新二级数据 3.2.7 接口情况 3.2.8 页面效果图：一、安装依赖本例中，使用render-content进行树节点内容的自定义，因此需要支持JSX语法。(见参考资料第3个) 在Git bash中运行一下指令 cnpm install\ babel-plugin-syntax-jsx\ babel-plugin-transform-vue-jsx\ babel-helper-vue-jsx-merge-props\ babel-preset-es2015\ --save-dev 二、常用属性、事件常用属性 Attributes(属性名) 描述 type(类型) default(默认值) node-key 每个树节点用来作为唯一标识的属性，

Taro页面布局

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jsx import Taro, { Component } from '@tarojs/taro' import { View } from '@tarojs/components' import { connect } from '@tarojs/redux' import './index.scss' @connect(({ myInvite }) => ({ ...myInvite, })) class MyInvite extends Component { config = { navigationBarTitleText: '入职邀请', } componentDidShow = () => { } onReachBottom() { } render() { return ( <View className='invite-page'> <View className='invite-item'> <View className='left'> <View className='title'>普工</View> <View className='company'>江苏XX科技</View> <View className='address'

ternary operator in jsx to include html with react

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问题 I'm using react and I'm trying to display this error message if this.state.message === 'failed' . But I'm really not sure why this ternary operation isn't working. What am I doing wrong here? render() { ... <div className="row"> return (this.state.message === 'failed') ? ( => { <div className="alert alert-danger" role="alert"> Something went wrong </div> })() : false; } </div> Right now its just displaying return (this.state.message === 'failed') ? ( => in the html 回答1: I currently like to

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