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WKWebViewでのPOST Request

Last updated at Posted at 2018-02-20

※追記:2018.05.17 詳細はソース参照
いろんなサイトの情報を片っ端から試してやっと出来たのでメモ

やりたいこと:
フォームデータ付きのPOST Requestを飛ばしWKWebViewで表示する。
その際にユーザ認証に必要なフォームデータを追加する。

環境:
-Swift 4
-Xcode 9.2
-Deployment Target 10.0
※11以上からStoryboard上でWKWebView置けるようになったのでもっと簡単になるはず

ViewController.swift
import UIKit
import WebKit

class ViewController: UIViewController , WKNavigationDelegate, WKUIDelegate {
    var webView: WKWebView!

    override func loadView() {
        // 追記:2018.05.17 webViewをsub view化した際に親メソッドを呼ばないと実行時エラーとなったため
        super.loadView()

        let webConfiguration = WKWebViewConfiguration()
        // アプリからのアクセスとサーバ側に伝えるためuseragentのアプリケーション名を書き換え
        webConfiguration.applicationNameForUserAgent = "test-app"
        
        self.webView = WKWebView(frame: .zero, configuration: webConfiguration)
        self.webView.navigationDelegate = self
        self.webView.uiDelegate         = self

        view = webView
    }

    override func viewDidLoad() {
        super.viewDidLoad()
        
        var request = URLRequest(url: URL(string: "https://www.google.co.jp/")!)
        request.httpMethod = "POST"

        // パラメータのように2つ目以降は&でつなぐ
        var bodyData = "terminal_id=" + UIDevice.current.identifierForVendor!.uuidString
        request.httpBody = bodyData.data(using: .utf8)!
        self.webView.load(request)
    }
}

出来てみたら
だから、どうした
って事もないプログラムですが

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