阿斯顿发送到发333

GeliBusinessPlatform/ViewController/1.1入库&出库/出库/NewCKVc.swift

@@ -8,8 +8,9 @@
 
 import UIKit
 import LGButton
+import WebKit
 
-class NewCKVc: BaseViewController,UITableViewDelegate,UITableViewDataSource,CKNonGmCellDelegate,CKGmCellDelegate, PiCiXuanZeViewControllerDelegate,GLAlertSelectViewDelegate,NewSelectItemVcDelegate,GeliAlertTextViewDelegate, Print_Gprinter_View_Delegate{
+class NewCKVc: BaseViewController,UITableViewDelegate,UITableViewDataSource,CKNonGmCellDelegate,CKGmCellDelegate, PiCiXuanZeViewControllerDelegate,GLAlertSelectViewDelegate,NewSelectItemVcDelegate,GeliAlertTextViewDelegate, Print_Gprinter_View_Delegate,WKNavigationDelegate{
     func NewSelectItemVcSelect(datas: Array<InputInitInfoGoodsInfoModel>, pici: Array<Array<GetGoodBatchDataModel>>,select:Array<Int>,str:Array<String>,typeArr:Array<Int>,imgArr:Array<String>) {
         rkSelectArr.removeAll()
         datas.forEach { (item) in
@@ -198,20 +199,38 @@ class NewCKVc: BaseViewController,UITableViewDelegate,UITableViewDataSource,CKNo
     }
     var goodsInfoArr:Array<Any> = []
     @IBOutlet weak var gm_view: UIView!
+    let wkWebView = WKWebView()
     
+    // 页面加载完成之后调用
+    func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!){
+        
+        print("页面加载完成...")
+        webView.takeScreenshotOfFullContent { (img) in
+            
+            
+            let command = TscCommand()
+            command.addSize(40, 30)
+            command.addGap(withM: 2, withN: 0)
+            command.addReference(0, 0)
+            command.addTear("ON")
+            command.addQueryPrinterStatus(Response(rawValue: 1)!)
+            command.addCls()
+            
+            command.addBitmapwithX(0, withY: 0, withMode: 0, withWidth: 400, with: img)
+            
+            command.addPrint(1, 1)
+            ConnecterManager.sharedInstance()?.write(command.getCommand())
+        }
+    }
     @IBAction func ck_action(_ sender: UIButton) {
-        let command = TscCommand()
-        command.addSize(40, 30)
-        command.addGap(withM: 2, withN: 0)
-        command.addReference(0, 0)
-        command.addTear("ON")
-        command.addQueryPrinterStatus(Response(rawValue: 1)!)
-        command.addCls()
-        let image = UIImage(named: "3.png")
-        command.addBitmapwithX(0, withY: 0, withMode: 0, withWidth: 400, with: image)
+        let urlStr = "https://c.gelifood.com/market/src/views/Order/codeDetail.html?order_id=12767"
+        let urlString = urlStr.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed)!
+        let url = URL(string: urlString)
+        
+        let request = URLRequest.init(url: url!, cachePolicy: .reloadRevalidatingCacheData, timeoutInterval: 10)
+        wkWebView.navigationDelegate = self
+        wkWebView.load(request)
         
-        command.addPrint(1, 1)
-        ConnecterManager.sharedInstance()?.write(command.getCommand())
         return
         
         if isGm {
@@ -643,3 +662,103 @@ class NewCKVc: BaseViewController,UITableViewDelegate,UITableViewDataSource,CKNo
         glSelectView = nil
     }
 }
+
+/// WebViewPrintPageRenderer: use to print the full content of webview into one image
+internal final class WebViewPrintPageRenderer: UIPrintPageRenderer {
+    
+    private var formatter: UIPrintFormatter
+    
+    private var contentSize: CGSize
+    
+    /// 生成PrintPageRenderer实例
+    ///
+    /// - Parameters:
+    /// - formatter: WebView的viewPrintFormatter
+    /// - contentSize: WebView的ContentSize
+    required init(formatter: UIPrintFormatter, contentSize: CGSize) {
+        self.formatter = formatter
+        self.contentSize = contentSize
+        super.init()
+        self.addPrintFormatter(formatter, startingAtPageAt: 0)
+    }
+    
+    override var paperRect: CGRect {
+        return CGRect.init(origin: .zero, size: contentSize)
+    }
+    
+    override var printableRect: CGRect {
+        return CGRect.init(origin: .zero, size: contentSize)
+    }
+    
+    private func printContentToPDFPage() -> CGPDFPage? {
+        let data = NSMutableData()
+        UIGraphicsBeginPDFContextToData(data, self.paperRect, nil)
+        self.prepare(forDrawingPages: NSMakeRange(0, 1))
+        let bounds = UIGraphicsGetPDFContextBounds()
+        UIGraphicsBeginPDFPage()
+        self.drawPage(at: 0, in: bounds)
+        UIGraphicsEndPDFContext()
+        
+        let cfData = data as CFData
+        guard let provider = CGDataProvider.init(data: cfData) else {
+            return nil
+        }
+        let pdfDocument = CGPDFDocument.init(provider)
+        let pdfPage = pdfDocument?.page(at: 1)
+        
+        return pdfPage
+    }
+    
+    private func covertPDFPageToImage(_ pdfPage: CGPDFPage) -> UIImage? {
+        let pageRect = pdfPage.getBoxRect(.trimBox)
+        let contentSize = CGSize.init(width: floor(pageRect.size.width), height: floor(pageRect.size.height))
+        
+        // usually you want UIGraphicsBeginImageContextWithOptions last parameter to be 0.0 as this will us the device's scale
+        UIGraphicsBeginImageContextWithOptions(contentSize, true, 2.0)
+        guard let context = UIGraphicsGetCurrentContext() else {
+            return nil
+        }
+        
+        context.setFillColor(UIColor.white.cgColor)
+        context.setStrokeColor(UIColor.white.cgColor)
+        context.fill(pageRect)
+        
+        context.saveGState()
+        context.translateBy(x: 0, y: contentSize.height)
+        context.scaleBy(x: 1.0, y: -1.0)
+        
+        context.interpolationQuality = .low
+        context.setRenderingIntent(.defaultIntent)
+        context.drawPDFPage(pdfPage)
+        context.restoreGState()
+        
+        let image = UIGraphicsGetImageFromCurrentImageContext()
+        UIGraphicsEndImageContext()
+        
+        return image
+    }
+    
+    /// print the full content of webview into one image
+    ///
+    /// - Important: if the size of content is very large, then the size of image will be also very large
+    /// - Returns: UIImage?
+    internal func printContentToImage() -> UIImage? {
+        guard let pdfPage = self.printContentToPDFPage() else {
+            return nil
+        }
+        
+        let image = self.covertPDFPageToImage(pdfPage)
+        return image
+    }
+}
+
+extension WKWebView {
+    public func takeScreenshotOfFullContent(_ completion: @escaping ((UIImage?) -> Void)) {
+        self.scrollView.setContentOffset(CGPoint(x: 0, y: 0), animated: false)
+        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
+            let renderer = WebViewPrintPageRenderer.init(formatter: self.viewPrintFormatter(), contentSize: self.scrollView.contentSize)
+            let image = renderer.printContentToImage()
+            completion(image)
+        }
+    }
+}