RT Route is: koa-router A parameter is handwritten in the browser address bar, which can be obtained by the server. It is written on the a tag but reported 400 ....
const MongoClient = require( mongodb ).MongoClient; const url = mongodb: localhost:27017 ; Database Name const dbName = youyue ; var obj = {}; module.exports = async(ctx,next)=>{ const num = ctx.query.num, page = ctx.query.pag...
router.get( meibrain , async (ctx, next) => { await ctx.render( meibrain , { imgSrc: images newsbannenr.png , koa-router }) })...
require( babel-register ) const express = require( express ) const webpack = require( webpack ) const webpackConfig = require( . webpack.config ) const app = express() webpack var compiler = webpack(webpackConfig); webpack-dev-server var ...
the subject has just learned node and back-end knowledge. There was a problem when combining the previous todolist written in vue with the back-end code (login section). Front end Code-vue methods methods: { checkHasLogin () { axios.get( ...
1. First of all, get the order list through the query, and then add the user name and user password for each order object through the for loop. When I console.log, the console has output, but when I, ctx.body = {data:orderList}, the result obtained asyn...
A server built with koa2 wants to use koa-faivcon to load page logo, but it doesn t work. Does this middleware depend on anything else? < hr > Project directory is as follows: reference code is as follows: app.use(favicon(resolve( . publ...
I would like to ask you bosses about the problems in the direction of learning how to learn Node has always been my doubt. The blogs and tutorials I read on the Internet are all about learning several core modules of Nodejs (fs,path,event,buffer,http)...
ctx.set( Content-disposition , attachment; filename=district.csv ); ctx.set( content-type , text csv; charset=utf-8 ); ctx.statusCode = 200; ctx.body = csv; set excel to open or garbled in this way ...
for example, the front and rear separation project vue + axios + koa2 + java (springboot) uses restful style api question: what role does koa2 play? Specifically, what code should be written in koa2? Under the vue+koa2 front-end combination, where...
ctx.body = await service.get_search_data(start,count,keyword,(err,res)=>{ if(err){ return ; }else { return res; } } ) The res in the callback function can accept the data, so why can t the ctx.body accept it? ...
several interfaces are written with koa+mongodb. Cross-domain errors are always reported when requesting with ajax, even if cors is used in koa. Google has done a lot of things but still hasn t solved the problem . const cors = require( koa2-cors ); ...
question 1: why is the middleware in the koa2 framework written in the form of async, rarely in Synchronize mode (that is, without async)? For example, app.use(async (ctx, next) => { const start = new Date() await next() const ms = new Date() ...
my page uses the views layouts index.hbs template, in which there are three links corresponding to three pages. The question now is: how can I get the current path, because I want to set the active class name to the corresponding link according to t...
jq cascading determines whether the last select is selected when clicking on select. the following code is not quite right. Ask for advice <select name="" class="sel1"> <option value="0">< option> ...
1, in test.php 2cli.php 3 Why not output 111111 ...
Mini Program developed and used webview, forwarding and sharing, which is implemented on Mini Program side. But now the problem is: I forwarded the message into Mini Program, there is a white screen phenomenon, there is no error, guess that the reason ma...
how the Select selector or Cascader cascade selector cascades the output after a selector gets the selected data from the database or API JSON. How to use AIOS ...
put the war package into the webapps of tomcat, and the log will immediately report an error log information 05-Sep-2018 09:07:42.575 INFO [Druid-ConnectionPool-Create-4770266] org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoa...