创建缩略语
WebsiteController.swift
Swift
...
struct CreateAcronymContext: Encodable {
let title = "Create An Acronym"
let users: Future<[User]>
}
...
router.get("acronyms", "create", use: createAcronymHandler)
router.post(Acronym.self, at: "acronyms", "create", use: createAcronymPostHandler)
...
func createAcronymHandler(_ req: Request) throws -> Future<View> {
let context = CreateAcronymContext(users: User.query(on: req).all())
return try req.view().render("createAcronym", context)
}
func createAcronymPostHandler(_ req: Request, acronym: Acronym) throws -> Future<Response> {
return acronym.save(on: req).map(to: Response.self) { acronym in
guard let id = acronym.id else {
throw Abort(HTTPStatus.internalServerError)
}
return req.redirect(to: "/acronyms/\(id)")
}
}
...
createAcronym.leaf
HTML
#set("content"){
<h1>#(title)</h1>
<form method = "post">
<div class="form-group">
<label for = "short">Acronym</label>
<input type="text" name="short" class="form-control" id = "short"/>
</div>
<div class="form-group">
<label for = "long">Meaning</label>
<input type="text" name="long" class="form-control" id="long"/>
</div>
<div class="form-group">
<label for="userID">User</label>
<select name="userID" class="form-control" id="userID">
#for(user in users) {
<option value="#(user.id)">
#(user.name)
</option>
}
</select>
</div>
<button type="submit" class = "btn btn-primary">
Submit
</button>
</form>
}
#embed("base")
base.leaf
HTML
...
<li class="nav-item #if(title=="Create An Acronym"){active}">
<a href="/acronyms/create" class="nav-link">Create An Acronym</a>
</li>
...
