package main import ( "embed" "fmt" "github.com/energye/energy/cef" "github.com/energye/energy/common/assetserve" "github.com/energye/energy/consts" ) //go:embed resources var resources embed.FS var cefApp *cef.TCEFApplication func main() { //logger.SetEnable(true) //logger.SetLevel(logger.CefLog_Debug) //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(nil) //指定一个URL地址,或本地html文件目录 cef.BrowserWindow.Config.Url = "http://localhost:22022/process-message.html" cef.BrowserWindow.Config.Title = "Energy - execute-javascript" cef.BrowserWindow.Config.IconFS = "resources/icon.ico" //内置http服务链接安全配置 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() }) cefApp.SetOnContextCreated(func(browser *cef.ICefBrowser, frame *cef.ICefFrame, context *cef.ICefV8Context) bool { handler := cef.V8HandlerRef.New() fmt.Println("handler:", handler) handler.Execute(func(name string, object *cef.ICefV8Value, arguments *cef.TCefV8ValueArray, retVal *cef.ResultV8Value, exception *cef.Exception) bool { fmt.Println("handler.Execute", name) retVal.SetResult(cef.V8ValueRef.NewString("函数返回值?")) message := cef.ProcessMessage.New("testname") fmt.Println("ProcessMessageRef IsValid", message.IsValid(), message.Name()) list := message.ArgumentList() list.SetString(0, "值?") fmt.Println("list IsValid", list.IsValid(), list.GetSize(), list.GetString(0)) listCopy := list.Copy() fmt.Println("listCopy GetString", listCopy.IsValid(), list.GetSize(), list.GetString(0), list.GetValue(0).GetType()) listCopy.SetDouble(1, 112211.22) fmt.Println("listCopy GetDouble", listCopy.GetDouble(1), listCopy.GetType(1)) data := make([]byte, 1024, 1024) for i := 0; i < len(data); i++ { data[i] = byte(i % 255) } value := cef.BinaryValueRef.New(data) fmt.Println("BinaryValueNew IsValid", value.IsValid()) fmt.Println("BinaryValueNew size", value.GetSize()) buf := make([]byte, 300) fmt.Println("BinaryValueNew GetData", value.GetData(buf, 0)) fmt.Println("BinaryValueNew GetData buf", buf) return true }) // object := cef.V8ValueRef.NewObject(nil, nil) function := cef.V8ValueRef.NewFunction("testfn", handler) object.SetValueByKey("testfn", function, consts.V8_PROPERTY_ATTRIBUTE_NONE) context.Global.SetValueByKey("testset", object, consts.V8_PROPERTY_ATTRIBUTE_READONLY) return false }) //运行应用 cef.Run(cefApp) }