package main import ( "embed" "fmt" "github.com/energye/energy/v2/cef" "github.com/energye/energy/v2/cef/ipc" "github.com/energye/energy/v2/cef/ipc/context" "github.com/energye/energy/v2/common" "github.com/energye/energy/v2/pkgs/assetserve" "github.com/energye/golcl/lcl" "os" "path" ) //go:embed resources var resources embed.FS func main() { //全局初始化 每个应用都必须调用的 cef.GlobalInit(nil, &resources) //创建应用 cefApp := cef.NewApplication() //指定一个URL地址,或本地html文件目录 cef.BrowserWindow.Config.Url = "http://localhost:22022/index.html" if common.IsLinux() && cefApp.IsUIGtk3() { cef.BrowserWindow.Config.IconFS = "resources/icon.png" } else { cef.BrowserWindow.Config.IconFS = "resources/icon.ico" } cef.BrowserWindow.Config.Title = "Energy 打印PFD预览" cef.SetBrowserProcessStartAfterCallback(func(b bool) { fmt.Println("主进程启动 创建一个内置http服务") //通过内置http服务加载资源 server := assetserve.NewAssetsHttpServer() server.PORT = 22022 server.AssetsFSName = "resources" //必须设置目录名 server.Assets = &resources go server.StartHttpServer() }) wd, _ := os.Getwd() //监听事件 ipc.On("print-pdf", func(context context.IContext) { bw := cef.BrowserWindow.GetWindowInfo(context.BrowserId()) savePath := path.Join(wd, "example", "print-pdf", "test.pdf") fmt.Println("当前页面保存为PDF", savePath) bw.Chromium().PrintToPDF(savePath) }) cef.BrowserWindow.SetBrowserInit(func(event *cef.BrowserEvent, window cef.IBrowserWindow) { window.Chromium().SetOnPdfPrintFinished(func(sender lcl.IObject, ok bool) { fmt.Println("OnPdfPrintFinished:", ok) }) }) //运行应用 cef.Run(cefApp) }