Question

当我单击添加按钮时，它显示错误-错误true 原因“找不到”

configure.swift代码-

import FluentSQLite
import Vapor
import Leaf // added
public func configure(_ config: inout Config, _ env: inout Environment, _ services: inout Services) throws {
// Register providers first
try services.register(FluentSQLiteProvider())

// Register routes to the router
let router = EngineRouter.default()
try routes(router)
services.register(router, as: Router.self)

// Register middleware
var middlewares = MiddlewareConfig() // Create _empty_ middleware config
// middlewares.use(FileMiddleware.self) // Serves files from `Public/` directory
middlewares.use(ErrorMiddleware.self) // Catches errors and converts to HTTP response
services.register(middlewares)

let directoryConfig = DirectoryConfig.detect()
services.register(directoryConfig)
let sqlite = try SQLiteDatabase(storage: .file(path:"\(directoryConfig.workDir)pizza.db"))
var databases = DatabasesConfig()
databases.add(database: sqlite, as: .sqlite)
services.register(databases)

var migrations = MigrationConfig()
migrations.add(model: Todo.self, database: .sqlite)
migrations.add(model: Pizza.self, database: .sqlite)
services.register(migrations)

let leafProvider = LeafProvider()    // added
try services.register(leafProvider)  // added
config.prefer(LeafRenderer.self, for: ViewRenderer.self)// added
let serverConfigure = NIOServerConfig.default(hostname: "0.0.0.0", port: 9090)
services.register(serverConfigure)
 }

pizza.swift代码-

导入基金会进口蒸气导入FluentSQLite

struct Pizza: SQLiteModel, Content, SQLiteMigration, Migration {
    var id:  Int?
    var name: String
    var description: String
    var  price: Int
}

routes.swift代码-

import Routing
import Vapor
import FluentSQLite
public func routes(_ router: Router) throws {
    router.get { req -> Future <View> in
        let Newyorker = Pizza(id: 5, name: "statinisland", description: "impracticaljokers", price: 55)
        let Traditional = Pizza(id: 5, name: "rome", description: "pope", price: 55)
        return try req.view().render("welcome",["pizza":[Newyorker,Traditional]])
    }
    router.post(Pizza.self, at: "add") { req, pizza in
        return pizza
    }
}

欢迎叶截图-

localhost屏幕快照-

错误屏幕截图-

无法确定。谢谢。

编辑1.我粘贴了叶子文件-

 <!DOCTYPE html>
 <html>
 <body>
  <h1> Pizza </h1>
  <p> Welcome to best pizza in the  world  </p>
 <ul>
   #for(pizza in pizza)  {
  <li>(pizza.name)</li>
  }
  </ul>
 </body>
 </html>

 <form method="post" action="/add">
 <p>Name: <input type="text" name = "name" /></p>
 <p>Descrition: <input type="text" name = "description" /></p>
 <p>Price: <input type="number" name = "price" /></p>
 <button type="submit">Add</button>
 </form>

快速蒸气“添加”按钮显示错误

0 个答案: