代码如下：
import UIKit
import WebViewJavascriptBridge
import DesEncrypt
import SwiftyJSON
class NavigationBarWebView: UIView {
var goback: CallBack?
var saveCallback: CallBack?
private lazy var leftButton: UIButton = {
let btn = UIButton()
btn.setTitle(" " + GLOBAL_LANGUAGE("返回"), for: .normal)
btn.setImage(UIImage(named: "back_leftArrow"), for: .normal)
btn.titleLabel?.font = UIFont.systemFont(ofSize: 18)
btn.addTarget(self, action: #selector(leftBtnClick), for: .touchUpInside)
return btn
}()
private lazy var titleLabel: UILabel = {
let label = UILabel()
label.textColor = UIColor(hexString: "ebebeb")
label.font = UIFont.systemFont(ofSize: 21)
return label
}()
private lazy var saveButton: UIButton = {
let btn = UIButton()
btn.setTitle(" " + GLOBAL_LANGUAGE("保存"), for: .normal)
btn.titleLabel?.font = UIFont.systemFont(ofSize: 18)
btn.addTarget(self, action: #selector(saveBtnClick), for: .touchUpInside)
return btn
}()
init(with frame: CGRect, title: String, hasRightBtn: Bool = false) {
super.init(frame: .zero)
setupUI(hasRightBtn: hasRightBtn)
layoutView(hasRightBtn: hasRightBtn)
titleLabel.text = title
}
required init?(coder aDecoder: NSCoder) {
fatalError("init(coder:) has not been implemented")
}
}
extension NavigationBarWebView {
private func setupUI(hasRightBtn: Bool) {
self.backgroundColor = UIColor(hexString: "1f2124")
addSubview(leftButton)
addSubview(titleLabel)
if hasRightBtn {
addSubview(saveButton)
}
}
private func layoutView(hasRightBtn: Bool) {
leftButton.snp.makeConstraints { (make) in
make.top.left.bottom.equalTo(self)
make.width.equalTo(120)
}
titleLabel.snp.makeConstraints { (make) in
make.center.equalTo(self)
}
if hasRightBtn {
saveButton.snp.makeConstraints { (make) in
make.top.bottom.equalTo(self)
make.right.equalTo(self).inset(20)
make.width.equalTo(120)
}
}
}
@objc private func leftBtnClick() {
self.goback?()
}
@objc private func saveBtnClick() {
self.saveCallback?()
}
}
class NewPointMallViewController: UIViewController {
var urlhost: String = HHTSwitchGlobalData.shared.pointUrlStr + "?"
// UIWebView实现
// private lazy var webView: UIWebView = {
// let web = UIWebView(frame: .zero)
// web.delegate = self
// web.scrollView.bounces = false
// return web
// }()
// WKWebView实现
private lazy var webView: WKWebView = {
let preferences = WKPreferences()
preferences.javaScriptEnabled = true
let configuration = WKWebViewConfiguration()
configuration.preferences = preferences
configuration.userContentController = WKUserContentController()
let web = WKWebView(frame: .zero, configuration: configuration)
web.uiDelegate = self
web.scrollView.bounces = false
return web
}()
var bridge: WebViewJavascriptBridge?
private lazy var navigationView: NavigationBarWebView = NavigationBarWebView(with: .zero, title: GLOBAL_LANGUAGE("捞币换礼"))
override func viewDidLoad() {
super.viewDidLoad()
setupUI()
registerHandler()
configWebView()
navigationView.goback = {[weak self] in
guard let `self` = self else {
return
}
self.chargeGoBack()
}
}
func registerHandler() {
func parameterValid(with data: Any?) -> (result: Bool, data: [String: Any]) {
if let parameter = data, parameter is NSDictionary {
let dic = parameter as! NSDictionary
if let params = dic as? [String: Any] {
return (true, params)
}
}
return (false, [:])
}
func callback(with closure: WVJBResponseCallback?, data: [String: Any]) {
if let call = closure {
call(data as NSDictionary)
}
}
self.bridge = WebViewJavascriptBridge(forWebView: webView)
self.bridge?.registerHandler("fetchSellOut", handler: { (data, responseCallback) in
let params = parameterValid(with: data)
var result: [[String: String]] = []
//判断参数是否有效
if params.result, let unicode = params.data["ids"], let unicodeStr = unicode as? String {
// 拿到数据操作
}
// 给H5传值
callback(with: responseCallback, data: ["result":result])
})
self.bridge?.registerHandler("dishOrder", handler: { (data, responseCallback) in
let params = parameterValid(with: data)
if params.result, let ids = params.data["data"], let list = ids as? [[String: String]] {
// 拿到数据操作
}
})
}
}
extension NewPointMallViewController {
private func setupUI() {
view.addSubview(navigationView)
view.addSubview(webView)
navigationView.snp.makeConstraints { (make) in
make.left.top.right.equalTo(self.view)
make.height.equalTo(NavigationBarH)
}
webView.snp.makeConstraints { (make) in
make.left.bottom.right.equalTo(self.view)
make.top.equalTo(navigationView.snp.bottom)
}
}
private func configWebView() {
URLCache.shared.removeAllCachedResponses()
let key = CustomerManager.shared.customerKey ?? ""
let storeId = WaiterManager.shared.currentShop["shopNo"] as? String ?? ""
let customerKey = HDLDesEncrypt.encryptUse3DES(key, key: "haidilao2015818secretKey")!
let mobile = CustomerManager.shared.mobileno ?? ""
let totalIntegral = CustomerManager.shared.totalScore
let tableId = TableManager.shared.currentTableNo
let waiterNo = WaiterManager.shared.waiterNo
let waiterName = WaiterManager.shared.waiterName
let timeStamp = NSDate().timeIntervalSince1970
let tableUid = TableManager.shared.currentTableID
let orderNo = TableManager.shared.currentTableBillID
let waiterId = WaiterManager.shared.waiterID
let userId = key
guard let urlPath = "storeId=\(storeId)&customerKey=\(customerKey)&mobile=\(mobile)&totalIntegral=\(totalIntegral)&tableId=\(tableId)&waiterNo=\(waiterNo)&waiterName=\(waiterName)&timeStamp=\(timeStamp)&tableUid=\(tableUid)&type=1&orderNo=\(orderNo)&waiterId=\(waiterId)&userId=\(userId)".addingPercentEncoding(withAllowedCharacters: CharacterSet.urlHostAllowed) else {
return
}
guard let url = URL(string: urlhost + urlPath) else {
return
}
let request = URLRequest(url: url, cachePolicy: URLRequest.CachePolicy.reloadIgnoringLocalCacheData, timeoutInterval: 10)
webView.load(request)
}
private func chargeGoBack() {
// UIWebView的注入代码
// if let webSucsessGoback = self.webView.stringByEvaluatingJavaScript(from: "webGoBack()") {
// // 网页内部跳转成功
// if webSucsessGoback != "0" {
// return
// }
// }
// WKWebView的注入代码
webView.evaluateJavaScript("webGoBack()") { (result, err) in
print(result ?? "", err ?? "")
if result == nil {
return
}
self.dismiss(animated: false) {
self.getCouponListData()
}
}
}
}
// UIWebView代理
extension NewPointMallViewController: UIWebViewDelegate {
func webView(_ webView: UIWebView, didFailLoadWithError error: Error) {
HUDManager.showAutoDismissFailedMessage(GLOBAL_LANGUAGE("加载出现错误") + "\(error)，正在关闭页面")
self.dismiss(animated: true, completion: nil)
}
}
// WKWebView代理
extension NewPointMallViewController: WKUIDelegate {
func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
print(message.name)
print(message.body)
}
}
注意点:
1、之前也写过这样一篇博客，大概也就是学习了下WebViewJavascriptBridge的使用，今天这是总结了下UIWebView转WKWebView的使用；
2、注意UIWebView的stringByEvaluatingJavaScript转WKWebView的区别；
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