energy/example/browser-execute-javascript/execute-javascript.go
2022-11-23 15:40:47 +08:00

54 lines
1.4 KiB
Go
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

package main
import (
"embed"
"fmt"
"github.com/energye/energy/cef"
"github.com/energye/energy/common/assetserve"
"time"
)
//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.GlobalCEFInit(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.DefaultUrl = "http://localhost:22022/execute-javascript.html"
cef.BrowserWindow.Config.Title = "Energy - execute-javascript"
cef.BrowserWindow.Config.Icon = "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()
//定时执行web js
go timeTask()
})
//运行应用
cef.Run(cefApp)
}
//定时执行web js
func timeTask() {
var param0 = 0
for {
//每1秒钟执行一次
time.Sleep(time.Second)
info := cef.BrowserWindow.MainWindow()
param0++
//调用js中定义的函数GoExecuteJSFunc,并传递参数,但没有返回值
var jsFunc = fmt.Sprintf("GoExecuteJSFunc(%d, '%d')", param0, time.Now().Second())
fmt.Println("GoExecuteJSFunc:", jsFunc)
info.Chromium().ExecuteJavaScript(jsFunc, "", 0)
}
}