loopbackjs

问题 I am showing data through API ( Data is showing in Pagination ) , API were built in Loopback . I want to sort in my project . For example if User click on Table head attribute then It will sort data in asc and desc . I am new ReactJS don't have much knowledge to implement this logic, Could someone please help me to figure out . Thanks Code class Example extends React.Component { constructor(props) { super(props); this.state = { Item: 5, skip: 0 } this.handleClick = this.handleClick.bind(this)

问题 Recently loopback team added support to the inclusion of nested relation. Reference https://loopback.io/doc/en/lb4/HasMany-relation.html#query-multiple-relations. But it doesn't cover the rest api url to get nested relations. This is what I have tried. http://[::1]:3000/users?filter[include][0][relation]=carts&filter[include][0][scope]filter[include][0][relation]=product I have three models users, carts, products. Users have has-many carts and carts belongs-to product. My loopback/cli version

问题 I want to do something like // server.js app.use('/client', loopback.static(__dirname + '/../client')) using middleware.json , but the example only works from the root "files": { "loopback#static": { "params": "$!../client" } }, 回答1: You have to use paths property, i.e. "files": { "loopback#static": { "paths": "/client", "params": "$!../client" } }, The detail is here. 回答2: I created a new file boot/routes.js var path = require("path"); module.exports = function(app) { app.get('/ping',

问题 I want to do something like // server.js app.use('/client', loopback.static(__dirname + '/../client')) using middleware.json , but the example only works from the root "files": { "loopback#static": { "params": "$!../client" } }, 回答1: You have to use paths property, i.e. "files": { "loopback#static": { "paths": "/client", "params": "$!../client" } }, The detail is here. 回答2: I created a new file boot/routes.js var path = require("path"); module.exports = function(app) { app.get('/ping',

来源： https://stackoverflow.com/questions/61978534/how-to-implement-chained-models-with-loopback-4-without-getting-a-circular-depen

问题 I can't find any ressources on how to change the success HTTP code using loopback 4. For example : 201 "created" on post method 204 "no content" on delete method I tried to specify this in the @api decorator but this change is not reflected in the actual response. Thank's for your help ! 回答1: I can't find any ressources on how to change the success HTTP code using loopback 4. We don't have first-class support for this feature yet. The current workaround is to inject the Response object into

问题 My application's users are geographically dispersed and data is stored in various regions. Each region has it's own data center and database server. I would like to include a route value to indicate the region that the user wants to access and connect to, as follows: /api/region/1/locations/ /api/region/2/locations/ /api/region/3/locations/ Depending on the region passed in, I would like to change the connection string being used. I assume this can be performed somewhere in the middleware

问题 I have a loopback 4 controller with a function that I don't want to expose via HTTP. I would like to be able to call the function from another controller. How can I do this? Is there any way of injecting a controller in another controller? (I 'm able to inject repositories in controllers, but not controllers in other controllers). 回答1: You have to first import repository of another controller e.g. import { MemberRepository, EmailTemplateRepository } from '../repositories'; then you have to

问题 I'm trying to create a system that would read a file from another site and serve this as a file download to the user. The file size could vary from Mbs to Gbs. I have have already created a proof of concept using vanilla nodejs. const app = express(); app.get('/', (req, res) => { res.setHeader('Content-disposition', 'attachment; filename=FILENAME'); res.setHeader('Content-type', 'application/octet-stream'); http.get('URL_TO_FILE', data => { data.pipe(res); }); }); I would like to do this

问题 I'm trying to create a system that would read a file from another site and serve this as a file download to the user. The file size could vary from Mbs to Gbs. I have have already created a proof of concept using vanilla nodejs. const app = express(); app.get('/', (req, res) => { res.setHeader('Content-disposition', 'attachment; filename=FILENAME'); res.setHeader('Content-type', 'application/octet-stream'); http.get('URL_TO_FILE', data => { data.pipe(res); }); }); I would like to do this