{"id":6611,"date":"2024-11-11T14:59:47","date_gmt":"2024-11-11T06:59:47","guid":{"rendered":"https:\/\/t.n-years.com\/?p=6611"},"modified":"2024-11-11T14:59:47","modified_gmt":"2024-11-11T06:59:47","slug":"wkschemehandler-%e7%9a%84%e5%b8%b8%e8%a7%81%e7%94%a8%e6%b3%95","status":"publish","type":"post","link":"https:\/\/t.n-years.com\/?p=6611","title":{"rendered":"WKSchemeHandler \u7684\u5e38\u89c1\u7528\u6cd5"},"content":{"rendered":"<p><code>WKSchemeHandler<\/code> \u662f iOS 11 \u4e4b\u540e\u5728 <code>WebKit<\/code> \u4e2d\u5f15\u5165\u7684\u4e00\u4e2a\u534f\u8bae\uff0c\u7528\u4e8e\u5904\u7406\u81ea\u5b9a\u4e49 URL scheme \u7684\u7f51\u7edc\u8bf7\u6c42\u3002\u8fd9\u5bf9\u4e8e\u9700\u8981\u52a0\u8f7d\u975e HTTP \u6216 HTTPS \u534f\u8bae\u7684\u8d44\u6e90\uff08\u6bd4\u5982\u81ea\u5b9a\u4e49\u7684\u672c\u5730\u8d44\u6e90\uff09\u975e\u5e38\u6709\u7528\u3002\u4e0b\u9762\u662f\u5b83\u7684\u5e38\u89c1\u7528\u6cd5\uff1a<\/p>\n<h3>1. \u57fa\u672c\u539f\u7406<\/h3>\n<p><code>WKSchemeHandler<\/code> \u5141\u8bb8\u6211\u4eec\u5728 <code>WKWebView<\/code> \u52a0\u8f7d\u6307\u5b9a\u7684\u81ea\u5b9a\u4e49 scheme URL \u65f6\u62e6\u622a\u8bf7\u6c42\uff0c\u5e76\u53ef\u4ee5\u5728\u4ee3\u7801\u4e2d\u751f\u6210\u54cd\u5e94\u5185\u5bb9\u3002\u8981\u4f7f\u7528 <code>WKSchemeHandler<\/code>\uff0c\u9996\u5148\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u5b9e\u73b0\u4e86 <code>WKURLSchemeHandler<\/code> \u534f\u8bae\u7684\u7c7b\uff0c\u5e76\u5b9e\u73b0\u5176\u4e2d\u7684\u4e24\u4e2a\u65b9\u6cd5\uff1a<\/p>\n<ul>\n<li><code>startURLSchemeTask(_:)<\/code>\uff1a\u7528\u4e8e\u5f00\u59cb\u5904\u7406\u8bf7\u6c42\u3002<\/li>\n<li><code>stopURLSchemeTask(_:)<\/code>\uff1a\u7528\u4e8e\u53d6\u6d88\u8bf7\u6c42\u3002<\/li>\n<\/ul>\n<h3>2. \u4f7f\u7528\u6b65\u9aa4<\/h3>\n<h4>Step 1\uff1a\u521b\u5efa\u81ea\u5b9a\u4e49\u7684 <code>WKURLSchemeHandler<\/code> \u5b9e\u73b0<\/h4>\n<p>\u9996\u5148\uff0c\u65b0\u5efa\u4e00\u4e2a\u7c7b\u5e76\u5b9e\u73b0 <code>WKURLSchemeHandler<\/code> \u534f\u8bae\u3002<\/p>\n<pre><code class=\"language-swift\">import WebKit\n\nclass CustomSchemeHandler: NSObject, WKURLSchemeHandler {\n    func start(_ urlSchemeTask: WKURLSchemeTask) {\n        guard let url = urlSchemeTask.request.url else { return }\n\n        \/\/ \u8fd9\u91cc\u53ef\u4ee5\u6839\u636e URL \u505a\u5904\u7406\uff0c\u8fd4\u56de\u76f8\u5e94\u7684\u6570\u636e\n        if url.scheme == &quot;custom&quot; {\n            \/\/ \u5047\u8bbe\u52a0\u8f7d\u7684\u662f\u672c\u5730\u56fe\u7247\n            let imagePath = Bundle.main.path(forResource: &quot;sample&quot;, ofType: &quot;png&quot;)\n            let data = try? Data(contentsOf: URL(fileURLWithPath: imagePath!))\n\n            \/\/ \u6784\u5efa\u54cd\u5e94\n            let response = URLResponse(url: url, mimeType: &quot;image\/png&quot;, expectedContentLength: data!.count, textEncodingName: nil)\n            urlSchemeTask.didReceive(response)\n            urlSchemeTask.didReceive(data!)\n            urlSchemeTask.didFinish()\n        }\n    }\n\n    func stop(_ urlSchemeTask: WKURLSchemeTask) {\n        \/\/ \u5904\u7406\u8bf7\u6c42\u53d6\u6d88\u60c5\u51b5\n    }\n}<\/code><\/pre>\n<h4>Step 2\uff1a\u6ce8\u518c\u81ea\u5b9a\u4e49\u7684 Scheme<\/h4>\n<p>\u7136\u540e\uff0c\u5728 <code>WKWebViewConfiguration<\/code> \u4e2d\u6ce8\u518c\u8be5\u81ea\u5b9a\u4e49 scheme \u548c <code>WKURLSchemeHandler<\/code>\uff1a<\/p>\n<pre><code class=\"language-swift\">let webViewConfig = WKWebViewConfiguration()\nlet schemeHandler = CustomSchemeHandler()\n\n\/\/ \u6ce8\u518c\u81ea\u5b9a\u4e49 scheme\uff0c\u6bd4\u5982 &quot;custom&quot;\u3002\nwebViewConfig.setURLSchemeHandler(schemeHandler, forURLScheme: &quot;custom&quot;)\n\nlet webView = WKWebView(frame: .zero, configuration: webViewConfig)<\/code><\/pre>\n<h4>Step 3\uff1a\u52a0\u8f7d\u81ea\u5b9a\u4e49 Scheme \u7684 URL<\/h4>\n<p>\u5728\u521b\u5efa\u597d <code>WKWebView<\/code> \u540e\uff0c\u53ef\u4ee5\u52a0\u8f7d\u4f7f\u7528\u8be5\u81ea\u5b9a\u4e49 scheme \u7684 URL\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-swift\">if let url = URL(string: &quot;custom:\/\/sample.png&quot;) {\n    webView.load(URLRequest(url: url))\n}<\/code><\/pre>\n<h3>3. \u5e38\u89c1\u5e94\u7528\u573a\u666f<\/h3>\n<ul>\n<li><strong>\u672c\u5730\u8d44\u6e90\u52a0\u8f7d<\/strong>\uff1a\u52a0\u8f7d app \u4e2d\u7684\u56fe\u7247\u3001\u97f3\u9891\u7b49\u8d44\u6e90\uff0c\u800c\u4e0d\u9700\u8981\u5728 <code>WKWebView<\/code> \u4ee5 <code>file:\/\/<\/code> \u534f\u8bae\u8bbf\u95ee\u672c\u5730\u6587\u4ef6\u3002<\/li>\n<li><strong>\u81ea\u5b9a\u4e49\u5185\u5bb9\u54cd\u5e94<\/strong>\uff1a\u53ef\u4ee5\u6839\u636e URL \u7684\u4e0d\u540c\u8def\u5f84\uff0c\u52a8\u6001\u751f\u6210\u5e76\u8fd4\u56de\u81ea\u5b9a\u4e49\u5185\u5bb9\uff0c\u6bd4\u5982\u7279\u5b9a\u7684\u6570\u636e\u6216 HTML \u6587\u4ef6\u3002<\/li>\n<li><strong>\u7f51\u7edc\u8d44\u6e90\u62e6\u622a<\/strong>\uff1a\u5bf9\u81ea\u5b9a\u4e49\u7684 scheme \u8bf7\u6c42\u8fdb\u884c\u62e6\u622a\u5904\u7406\uff0c\u751a\u81f3\u53ef\u4ee5\u505a\u989d\u5916\u7684\u5b89\u5168\u68c0\u67e5\u6216\u5185\u5bb9\u9884\u5904\u7406\u3002<\/li>\n<\/ul>\n<h3>4. \u6ce8\u610f\u4e8b\u9879<\/h3>\n<ul>\n<li><code>WKURLSchemeHandler<\/code> \u4ec5\u652f\u6301\u81ea\u5b9a\u4e49\u7684 scheme\uff0c\u4e0d\u652f\u6301 <code>http<\/code> \u548c <code>https<\/code>\u3002<\/li>\n<li>\u5fc5\u987b\u5728 <code>WKWebView<\/code> \u914d\u7f6e\u521b\u5efa\u540e\uff0c\u4e14\u5728\u52a0\u8f7d\u9875\u9762\u524d\u6ce8\u518c\u81ea\u5b9a\u4e49\u7684 scheme\u3002<\/li>\n<li>\u81ea\u5b9a\u4e49\u7684 scheme \u901a\u5e38\u5e94\u907f\u514d\u4e0e\u5df2\u6709\u7684\u6807\u51c6 URL scheme \u51b2\u7a81\uff0c\u6bd4\u5982 <code>mailto<\/code>\u3001<code>tel<\/code> \u7b49\u3002<\/li>\n<\/ul>\n<p>\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528 <code>WKSchemeHandler<\/code> \u6765\u5b9a\u5236\u548c\u62e6\u622a <code>WKWebView<\/code> \u4e2d\u7684\u7f51\u7edc\u8bf7\u6c42\uff0c\u6ee1\u8db3\u81ea\u5b9a\u4e49\u5185\u5bb9\u52a0\u8f7d\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>WKSchemeHandler \u662f iOS 11 \u4e4b\u540e\u5728 WebKit \u4e2d\u5f15\u5165\u7684\u4e00\u4e2a\u534f\u8bae\uff0c\u7528\u4e8e\u5904\u7406\u81ea\u5b9a\u4e49 UR&#8230; <\/p>\n<div class=\"read-more navbutton\"><a href=\"https:\/\/t.n-years.com\/?p=6611\">\u9605\u8bfb\u66f4\u591a<i class=\"fa fa-angle-double-right\"><\/i><\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[135],"tags":[],"class_list":["post-6611","post","type-post","status-publish","format-standard","hentry","category-135"],"_links":{"self":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6611","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=6611"}],"version-history":[{"count":1,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6611\/revisions"}],"predecessor-version":[{"id":6612,"href":"https:\/\/t.n-years.com\/index.php?rest_route=\/wp\/v2\/posts\/6611\/revisions\/6612"}],"wp:attachment":[{"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=6611"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=6611"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/t.n-years.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=6611"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}