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