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KoaHub平台基于Node.js开发的Koa router路由插件代码信息详情
koa-router
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Router middleware for koa. Provides RESTful resource routing.
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koa-router
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[list][*]Express-style routing using app.get, app.put, app.post, etc.
[*]Named URL parameters.
[*]Named routes with URL generation.
[*]Responds to OPTIONS requests with allowed methods.
[*]Support for 405 Method Not Allowed and 501 Not Implemented.
[*]Multiple route middleware.
[*]Multiple routers.
[*]Nestable routers.
[*]ES7 async/await support (koa-router 7.x).[/list]koa 2.x
See koa-router 7.x for koa 2.x and async/await support.
Installation
Install using npm:npm install koa-routerAPI Reference[list][*]koa-router
[*]Router ⏏
[*]new Router([opts])
[*]instance
[*].get|put|post|patch|delete ⇒ Router
[*].param(param, middleware) ⇒ Router
[*].use([path], middleware, […]) ⇒ Router
[*].routes ⇒ function
[*].allowedMethods([options]) ⇒ function
[*].redirect(source, destination, code) ⇒ Router
[*].route(name) ⇒ Layer | false
[*].url(name, params) ⇒ String | Error
[*]static
[*].url(path, params) ⇒ String[/list]Router
Kind: Exported class
new Router([opts])
Create a new router.
[table=50%]
Type
[/table]Example Basic usage: var router = require(koa-router)();var app = require(koa)();
router.get(/, function *(next) {...});
app
.use(router.routes())
.use(router.allowedMethods());router.get|put|post|patch|delete ⇒ Router
Create router.verb() methods, where verb is one of the HTTP verbes such as router.get() or router.post().
Match URL patterns to callback functions or controller actions using router.verb(), where verb is one of the HTTP verbs such as router.get() or router.post(). .get(/, function *(next) { this.body = Hello World!; }) .post(/users, function *(next) { // ... }) .put(/users/:id, function *(next) { // ... }) .del(/users/:id, function *(next) { // ... });routerRoute paths will be translated to regular expressions using path-to-regexp.
Query strings will not be considered when matching requests.
Named routes
Routes can optionally have names. This allows generation of URLs and easy renaming of URLs during development. // ... });router.get(user, /users/:id, function *(next) {
router.url(user, 3);
// => "/users/3" Multiple middleware
Multiple middleware may be given: /users/:id, function *(next) { this.user = yield User.findOne(this.params.id); yield next; }, function *(next) { console.log(this.user); // => { id: 17, name: "Alex" } } );router.get(Nested routers
Nesting routers is supported: var posts = new Router();var forums = new Router();
posts.get(/, function *(next) {...});
posts.get(/:pid, function *(next) {...});
forums.use(/forums/:fid/posts, posts.routes(), posts.allowedMethods());
// responds to "/forums/123/posts" and "/forums/123/posts/123"
app.use(forums.routes());Router prefixes
Route paths can be prefixed at the router level: prefix: /users });var router = new Router({
router.get(/, ...); // responds to "/users"
router.get(/:id, ...); // responds to "/users/:id" URL parameters
Named route parameters are captured and added to ctx.params. console.log(this.params); // => { category: programming, title: how-to-node } });router.get(/:category/:title, function *(next) {Kind: instance property of Router
[table=50%]
[/table]router.routes ⇒ function
Returns router middleware which dispatches a route matching the request.
Kind: instance property of Router
router.use([path], middleware, […]) ⇒ Router
Use given middleware(s) before route callback.
Only runs if any route is matched. If a path is given, the middleware will run for any routes that include that path.
Kind: instance method of Router
[table=50%]
[/table]Examplerouter.use(session(), authorize());
// use middleware only with given path
router.use(/users, userAuth());
app.use(router.routes());router.prefix(prefix) ⇒ Router
Set the path prefix for a Router instance that was already initialized.
Kind: instance method of Router
[table=50%]
[/table]Examplerouter.prefix(/things/:thing_id)router.allowedMethods([options]) ⇒ function
Returns separate middleware for responding to OPTIONS requests with an Allow header containing the allowed methods, as well as responding with 405 Method Not Allowed and 501 Not Implemented as appropriate.
Kind: instance method of Router
[table=50%]
[/table]Example var router = router();var app = koa();
app.use(router.routes());
app.use(router.allowedMethods());
Example with Boom
var app = koa();
var router = router();
var Boom = require(oom);
app.use(router.routes());
app.use(router.allowedMethods({
throw: true,
notImplemented: () => new Boom.notImplemented(),
methodNotAllowed: () => new Boom.methodNotAllowed()
}));router.redirect(source, destination, code) ⇒ Router
Redirect source to destination URL with optional 30x status code.
Both source and destination can be route names. this.redirect(/sign-in); this.status = 301; });router.redirect(/login, sign-in);This is equivalent to:router.all(/login, function *() {Kind: instance method of Router
[table=50%]
[/table]router.route(name) ⇒ Layer | false
Lookup route with given name.
Kind: instance method of Router
ParamType
nameString
router.url(name, params) ⇒ String | Error
Generate URL for route. Takes the route name and a map of named
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代码来源：/home/feature/koa-jwt
