How to use Load method of rod Package

Best Rod code snippet using rod.Load

examples_test.go

Source:examples_test.go Github

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...85 page := rod.New().MustConnect().MustPage("https://github.com")86 page.87 // Set a 5-second timeout for all chained methods88 Timeout(5 * time.Second).89 // The total time for MustWaitLoad and MustElement must be less than 5 seconds90 MustWaitLoad().91 MustElement("title").92 // Methods after CancelTimeout won't be affected by the 5-second timeout93 CancelTimeout().94 // Set a 10-second timeout for all chained methods95 Timeout(10 * time.Second).96 // Panics if it takes more than 10 seconds97 MustText()98 // The two code blocks below are basically the same:99 {100 page.Timeout(5 * time.Second).MustElement("a").CancelTimeout()101 }102 {103 // Use this way you can customize your own way to cancel long-running task104 page, cancel := page.WithCancel()105 go func() {106 time.Sleep(time.Duration(rand.Int())) // cancel after randomly time107 cancel()108 }()109 page.MustElement("a")110 }111}112// We use "Must" prefixed functions to write example code. But in production you may want to use113// the no-prefix version of them.114// About why we use "Must" as the prefix, it's similar to https://golang.org/pkg/regexp/#MustCompile115func Example_error_handling() {116 page := rod.New().MustConnect().MustPage("https://mdn.dev")117 // We use Go's standard way to check error types, no magic.118 check := func(err error) {119 var evalErr *rod.ErrEval120 if errors.Is(err, context.DeadlineExceeded) { // timeout error121 fmt.Println("timeout err")122 } else if errors.As(err, &evalErr) { // eval error123 fmt.Println(evalErr.LineNumber)124 } else if err != nil {125 fmt.Println("can't handle", err)126 }127 }128 // The two code blocks below are doing the same thing in two styles:129 // The block below is better for debugging or quick scripting. We use panic to short-circuit logics.130 // So that we can take advantage of fluent interface (https://en.wikipedia.org/wiki/Fluent_interface)131 // and fail-fast (https://en.wikipedia.org/wiki/Fail-fast).132 // This style will reduce code, but it may also catch extra errors (less consistent and precise).133 {134 err := rod.Try(func() {135 fmt.Println(page.MustElement("a").MustHTML()) // use "Must" prefixed functions136 })137 check(err)138 }139 // The block below is better for production code. It's the standard way to handle errors.140 // Usually, this style is more consistent and precise.141 {142 el, err := page.Element("a")143 if err != nil {144 check(err)145 return146 }147 html, err := el.HTML()148 if err != nil {149 check(err)150 return151 }152 fmt.Println(html)153 }154}155// Example_search shows how to use Search to get element inside nested iframes or shadow DOMs.156// It works the same as https://developers.google.com/web/tools/chrome-devtools/dom#search157func Example_search() {158 browser := rod.New().MustConnect()159 defer browser.MustClose()160 page := browser.MustPage("https://developer.mozilla.org/en-US/docs/Web/HTML/Element/iframe")161 // Click the zoom-in button of the OpenStreetMap162 page.MustSearch(".leaflet-control-zoom-in").MustClick()163 fmt.Println("done")164 // Output: done165}166func Example_page_screenshot() {167 page := rod.New().MustConnect().MustPage("https://github.com").MustWaitLoad()168 // simple version169 page.MustScreenshot("my.png")170 // customization version171 img, _ := page.Screenshot(true, &proto.PageCaptureScreenshot{172 Format: proto.PageCaptureScreenshotFormatJpeg,173 Quality: gson.Int(90),174 Clip: &proto.PageViewport{175 X: 0,176 Y: 0,177 Width: 300,178 Height: 200,179 Scale: 1,180 },181 FromSurface: true,182 })183 _ = utils.OutputFile("my.jpg", img)184}185func Example_page_pdf() {186 page := rod.New().MustConnect().MustPage("https://github.com").MustWaitLoad()187 // simple version188 page.MustPDF("my.pdf")189 // customized version190 pdf, _ := page.PDF(&proto.PagePrintToPDF{191 PaperWidth: gson.Num(8.5),192 PaperHeight: gson.Num(11),193 PageRanges: "1-3",194 })195 _ = utils.OutputFile("my.pdf", pdf)196}197// Show how to handle multiple results of an action.198// Such as when you login a page, the result can be success or wrong password.199func Example_race_selectors() {200 const username = ""201 const password = ""202 browser := rod.New().MustConnect()203 page := browser.MustPage("https://leetcode.com/accounts/login/")204 page.MustElement("#id_login").MustInput(username)205 page.MustElement("#id_password").MustInput(password).MustType(input.Enter)206 // It will keep retrying until one selector has found a match207 elm := page.Race().Element(".nav-user-icon-base").MustHandle(func(e *rod.Element) {208 // print the username after successful login209 fmt.Println(*e.MustAttribute("title"))210 }).Element("[data-cy=sign-in-error]").MustDo()211 if elm.MustMatches("[data-cy=sign-in-error]") {212 // when wrong username or password213 panic(elm.MustText())214 }215}216// Rod uses mouse cursor to simulate clicks, so if a button is moving because of animation, the click may not work as expected.217// We usually use WaitStable to make sure the target isn't changing anymore.218func Example_wait_for_animation() {219 browser := rod.New().MustConnect()220 defer browser.MustClose()221 page := browser.MustPage("https://getbootstrap.com/docs/4.0/components/modal/")222 page.MustWaitLoad().MustElement("[data-target='#exampleModalLive']").MustClick()223 saveBtn := page.MustElementR("#exampleModalLive button", "Close")224 // Here, WaitStable will wait until the button's position and size become stable.225 saveBtn.MustWaitStable().MustClick().MustWaitInvisible()226 fmt.Println("done")227 // Output: done228}229// When you want to wait for an ajax request to complete, this example will be useful.230func Example_wait_for_request() {231 browser := rod.New().MustConnect()232 defer browser.MustClose()233 page := browser.MustPage("https://www.wikipedia.org/").MustWaitLoad()234 // Start to analyze request events235 wait := page.MustWaitRequestIdle()236 // This will trigger the search ajax request237 page.MustElement("#searchInput").MustClick().MustInput("lisp")238 // Wait until there's no active requests239 wait()240 // We want to make sure that after waiting, there are some autocomplete241 // suggestions available.242 fmt.Println(len(page.MustElements(".suggestion-link")) > 0)243 // Output: true244}245// Shows how to change the retry/polling options that is used to query elements.246// This is useful when you want to customize the element query retry logic.247func Example_customize_retry_strategy() {248 browser := rod.New().MustConnect()249 defer browser.MustClose()250 page := browser.MustPage("https://github.com")251 // sleep for 0.5 seconds before every retry252 sleeper := func() utils.Sleeper {253 return func(context.Context) error {254 time.Sleep(time.Second / 2)255 return nil256 }257 }258 el, _ := page.Sleeper(sleeper).Element("input")259 fmt.Println(el.MustProperty("name"))260 // If sleeper is nil page.ElementE will query without retrying.261 // If nothing found it will return an error.262 el, err := page.Sleeper(rod.NotFoundSleeper).Element("input")263 if errors.Is(err, &rod.ErrElementNotFound{}) {264 fmt.Println("element not found")265 } else if err != nil {266 panic(err)267 }268 fmt.Println(el.MustProperty("name"))269 // Output:270 // q271 // q272}273// Shows how we can further customize the browser with the launcher library.274// Usually you use launcher lib to set the browser's command line flags (switches).275// Doc for flags: https://peter.sh/experiments/chromium-command-line-switches276func Example_customize_browser_launch() {277 url := launcher.New().278 Proxy("127.0.0.1:8080"). // set flag "--proxy-server=127.0.0.1:8080"279 Delete("use-mock-keychain"). // delete flag "--use-mock-keychain"280 MustLaunch()281 browser := rod.New().ControlURL(url).MustConnect()282 defer browser.MustClose()283 // So that we don't have to self issue certs for MITM284 browser.MustIgnoreCertErrors(true)285 // Adding authentication to the proxy, for the next auth request.286 // We use CLI tool "mitmproxy --proxyauth user:pass" as an example.287 go browser.MustHandleAuth("user", "pass")()288 // mitmproxy needs a cert config to support https. We use http here instead,289 // for example290 fmt.Println(browser.MustPage("https://mdn.dev/").MustElement("title").MustText())291}292// When rod doesn't have a feature that you need. You can easily call the cdp to achieve it.293// List of cdp API: https://github.com/go-rod/rod/tree/master/lib/proto294func Example_direct_cdp() {295 page := rod.New().MustConnect().MustPage()296 // Rod doesn't have a method to enable AD blocking,297 // but you can call cdp interface directly to achieve it.298 // The two code blocks below are equal to enable AD blocking299 {300 _ = proto.PageSetAdBlockingEnabled{301 Enabled: true,302 }.Call(page)303 }304 {305 // Interact with the cdp JSON API directly306 _, _ = page.Call(context.TODO(), "", "Page.setAdBlockingEnabled", map[string]bool{307 "enabled": true,308 })309 }310}311// Shows how to listen for events.312func Example_handle_events() {313 browser := rod.New().MustConnect()314 defer browser.MustClose()315 page := browser.MustPage()316 done := make(chan struct{})317 // Listen for all events of console output.318 go page.EachEvent(func(e *proto.RuntimeConsoleAPICalled) {319 fmt.Println(page.MustObjectsToJSON(e.Args))320 close(done)321 })()322 wait := page.WaitEvent(&proto.PageLoadEventFired{})323 page.MustNavigate("https://mdn.dev")324 wait()325 // EachEvent allows us to achieve the same functionality as above.326 if false {327 // Subscribe events before they happen, run the "wait()" to start consuming328 // the events. We can return an optional stop signal to unsubscribe events.329 wait := page.EachEvent(func(e *proto.PageLoadEventFired) (stop bool) {330 return true331 })332 page.MustNavigate("https://mdn.dev")333 wait()334 }335 // Or the for-loop style to handle events to do the same thing above.336 if false {337 page.MustNavigate("https://mdn.dev")338 for msg := range page.Event() {339 e := proto.PageLoadEventFired{}340 if msg.Load(&e) {341 break342 }343 }344 }345 page.MustEval(`() => console.log("hello", "world")`)346 <-done347 // Output:348 // [hello world]349}350func Example_download_file() {351 browser := rod.New().MustConnect()352 page := browser.MustPage("https://file-examples.com/index.php/sample-documents-download/sample-pdf-download/")353 wait := browser.MustWaitDownload()354 page.MustElementR("a", "DOWNLOAD SAMPLE PDF FILE").MustClick()355 _ = utils.OutputFile("t.pdf", wait())356}357// Shows how to intercept requests and modify358// both the request and the response.359// The entire process of hijacking one request:360//361// browser --req-> rod ---> server ---> rod --res-> browser362//363// The --req-> and --res-> are the parts that can be modified.364func Example_hijack_requests() {365 browser := rod.New().MustConnect()366 defer browser.MustClose()367 router := browser.HijackRequests()368 defer router.MustStop()369 router.MustAdd("*.js", func(ctx *rod.Hijack) {370 // Here we update the request's header. Rod gives functionality to371 // change or update all parts of the request. Refer to the documentation372 // for more information.373 ctx.Request.Req().Header.Set("My-Header", "test")374 // LoadResponse runs the default request to the destination of the request.375 // Not calling this will require you to mock the entire response.376 // This can be done with the SetXxx (Status, Header, Body) functions on the377 // ctx.Response struct.378 _ = ctx.LoadResponse(http.DefaultClient, true)379 // Here we append some code to every js file.380 // The code will update the document title to "hi"381 ctx.Response.SetBody(ctx.Response.Body() + "\n document.title = 'hi' ")382 })383 go router.Run()384 browser.MustPage("https://go-rod.github.io").MustWait(`() => document.title === 'hi'`)385 fmt.Println("done")386 // Output: done387}388// Shows how to share a remote object reference between two Eval389func Example_eval_reuse_remote_object() {390 page := rod.New().MustConnect().MustPage()391 fn := page.MustEvaluate(rod.Eval(`() => Math.random`).ByObject())392 res := page.MustEval(`f => f()`, fn)393 // print a random number394 fmt.Println(res.Num())395}396// Shows how to update the state of the current page.397// In this example we enable the network domain.398func Example_states() {399 browser := rod.New().MustConnect()400 defer browser.MustClose()401 page := browser.MustPage()402 // LoadState detects whether the network domain is enabled or not.403 fmt.Println(page.LoadState(&proto.NetworkEnable{}))404 _ = proto.NetworkEnable{}.Call(page)405 // Check if the network domain is successfully enabled.406 fmt.Println(page.LoadState(&proto.NetworkEnable{}))407 // Output:408 // false409 // true410}411// We can use PagePool to concurrently control and reuse pages.412func ExamplePage_pool() {413 browser := rod.New().MustConnect()414 defer browser.MustClose()415 // We create a pool that will hold at most 3 pages which means the max concurrency is 3416 pool := rod.NewPagePool(3)417 // Create a page if needed418 create := func() *rod.Page {419 // We use MustIncognito to isolate pages with each other420 return browser.MustIncognito().MustPage()421 }422 yourJob := func() {423 page := pool.Get(create)424 defer pool.Put(page)425 page.MustNavigate("http://mdn.dev").MustWaitLoad()426 fmt.Println(page.MustInfo().Title)427 }428 // Run jobs concurrently429 wg := sync.WaitGroup{}430 for range "...." {431 wg.Add(1)432 go func() {433 defer wg.Done()434 yourJob()435 }()436 }437 wg.Wait()438 // cleanup pool439 pool.Cleanup(func(p *rod.Page) { p.MustClose() })...

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rod_base.go

Source:rod_base.go Github

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...30 }31 return NewBrowserBase(rodOptions.Log,32 localChromeFPath,33 rodOptions.Settings.AdvancedSettings.ProxySettings.GetLocalHttpProxyUrl(),34 rodOptions.LoadAdblock,35 rodOptions.PreLoadUrl())36 } else {37 return NewBrowserBaseFromDocker(rodOptions.Settings.AdvancedSettings.ProxySettings.GetLocalHttpProxyUrl(),38 rodOptions.Settings.ExperimentalFunction.RemoteChromeSettings.RemoteDockerURL,39 rodOptions.Settings.ExperimentalFunction.RemoteChromeSettings.RemoteAdblockPath,40 rodOptions.Settings.ExperimentalFunction.RemoteChromeSettings.ReMoteUserDataDir,41 rodOptions.LoadAdblock,42 rodOptions.PreLoadUrl())43 }44}45func NewBrowserBase(log *logrus.Logger, localChromeFPath, httpProxyURL string, loadAdblock bool, preLoadUrl ...string) (*rod.Browser, error) {46 var err error47 once.Do(func() {48 adblockSavePath, err = releaseAdblock(log)49 if err != nil {50 log.Errorln("releaseAdblock", err)51 log.Panicln("releaseAdblock", err)52 }53 })54 // 随机的 rod 子文件夹名称55 nowUserData := filepath.Join(pkg.DefRodTmpRootFolder(), my_util.RandStringBytesMaskImprSrcSB(20))56 var browser *rod.Browser57 if localChromeFPath != "" {58 // 如果有指定的 chrome 路径，则使用指定的 chrome 路径59 if my_util.IsFile(localChromeFPath) == false {60 log.Errorln(errors.New("localChromeFPath is not a file, localChromePath:" + localChromeFPath))61 panic(errors.New("localChromeFPath is not a file, localChromePath:" + localChromeFPath))62 }63 err = rod.Try(func() {64 purl := ""65 if loadAdblock == true {66 purl = launcher.New().Bin(localChromeFPath).67 Delete("disable-extensions").68 Set("load-extension", adblockSavePath).69 Proxy(httpProxyURL).70 Headless(false). // 插件模式需要设置这个71 UserDataDir(nowUserData).72 //XVFB("--server-num=5", "--server-args=-screen 0 1600x900x16").73 //XVFB("-ac :99", "-screen 0 1280x1024x16").74 MustLaunch()75 } else {76 purl = launcher.New().Bin(localChromeFPath).77 Proxy(httpProxyURL).78 UserDataDir(nowUserData).79 MustLaunch()80 }81 browser = rod.New().ControlURL(purl).MustConnect()82 })83 } else {84 // 如果没有指定 chrome 的路径，则使用 rod 自行下载的 chrome85 err = rod.Try(func() {86 purl := ""87 if loadAdblock == true {88 purl = launcher.New().89 Delete("disable-extensions").90 Set("load-extension", adblockSavePath).91 Proxy(httpProxyURL).92 Headless(false). // 插件模式需要设置这个93 UserDataDir(nowUserData).94 //XVFB("--server-num=5", "--server-args=-screen 0 1600x900x16").95 //XVFB("-ac :99", "-screen 0 1280x1024x16").96 MustLaunch()97 } else {98 purl = launcher.New().99 Proxy(httpProxyURL).100 UserDataDir(nowUserData).101 MustLaunch()102 }103 browser = rod.New().ControlURL(purl).MustConnect()104 })105 }106 if err != nil {107 return nil, err108 }109 // 如果加载了插件，那么就需要进行一定的耗时操作，等待其第一次的加载完成110 if loadAdblock == true {111 _, _, err := HttpGetFromBrowser(browser, "https://www.qq.com", 15*time.Second)112 if err != nil {113 if browser != nil {114 browser.Close()115 }116 return nil, err117 }118 //if page != nil {119 // _ = page.Close()120 //}121 }122 if len(preLoadUrl) > 0 && preLoadUrl[0] != "" {123 _, _, err := HttpGetFromBrowser(browser, preLoadUrl[0], 15*time.Second)124 if err != nil {125 if browser != nil {126 browser.Close()127 }128 return nil, err129 }130 //if page != nil {131 // _ = page.Close()132 //}133 }134 return browser, nil135}136func NewBrowserBaseFromDocker(httpProxyURL, remoteDockerURL string, remoteAdblockPath, reMoteUserDataDir string,137 loadAdblock bool, preLoadUrl ...string) (*rod.Browser, error) {138 var browser *rod.Browser139 err := rod.Try(func() {140 purl := ""141 var l *launcher.Launcher142 if loadAdblock == true {143 l = launcher.MustNewManaged(remoteDockerURL)144 purl = l.Delete("disable-extensions").145 Set("load-extension", remoteAdblockPath).146 Proxy(httpProxyURL).147 Headless(false). // 插件模式需要设置这个148 UserDataDir(reMoteUserDataDir).149 MustLaunch()150 } else {151 l = launcher.MustNewManaged(remoteDockerURL)152 purl = l.153 Proxy(httpProxyURL).154 UserDataDir(reMoteUserDataDir).155 MustLaunch()156 }157 browser = rod.New().Client(l.MustClient()).ControlURL(purl).MustConnect()158 })159 if err != nil {160 return nil, err161 }162 // 如果加载了插件，那么就需要进行一定的耗时操作，等待其第一次的加载完成163 if loadAdblock == true {164 _, page, err := HttpGetFromBrowser(browser, "https://www.qq.com", 15*time.Second)165 if err != nil {166 if browser != nil {167 browser.Close()168 }169 return nil, err170 }171 if page != nil {172 _ = page.Close()173 }174 }175 if len(preLoadUrl) > 0 && preLoadUrl[0] != "" {176 _, page, err := HttpGetFromBrowser(browser, preLoadUrl[0], 15*time.Second)177 if err != nil {178 if browser != nil {179 browser.Close()180 }181 return nil, err182 }183 if page != nil {184 _ = page.Close()185 }186 }187 return browser, nil188}189func NewPageNavigate(browser *rod.Browser, desURL string, timeOut time.Duration, debugMode ...bool) (*rod.Page, int, string, error) {190 addSleepTime := time.Second * 5191 if len(debugMode) > 0 && debugMode[0] == true {192 addSleepTime = 0 * time.Second193 }194 page, err := newPage(browser)195 if err != nil {196 return nil, 0, "", err197 }198 return PageNavigate(page, desURL, timeOut+addSleepTime)199}200func NewPageNavigateWithProxy(browser *rod.Browser, proxyUrl string, desURL string, timeOut time.Duration) (*rod.Page, int, string, error) {201 page, err := newPage(browser)202 if err != nil {203 return nil, 0, "", err204 }205 return PageNavigateWithProxy(page, proxyUrl, desURL, timeOut)206}207func PageNavigate(page *rod.Page, desURL string, timeOut time.Duration) (*rod.Page, int, string, error) {208 err := page.SetUserAgent(&proto.NetworkSetUserAgentOverride{209 UserAgent: random_useragent.RandomUserAgent(true),210 })211 if err != nil {212 if page != nil {213 page.Close()214 }215 return nil, 0, "", err216 }217 var e proto.NetworkResponseReceived218 wait := page.WaitEvent(&e)219 page = page.Timeout(timeOut)220 err = rod.Try(func() {221 page.MustNavigate(desURL)222 wait()223 })224 if err != nil {225 if page != nil {226 page.Close()227 }228 return nil, 0, "", err229 }230 // 出去前把 TimeOUt 取消了231 page = page.CancelTimeout()232 Status := e.Response.Status233 ResponseURL := e.Response.URL234 //if Status >= 400 {235 // publicIP := "xx.xx.xx.xx"236 // publicIP, err = GetPublicIP(page, timeOut, nil)237 // if err != nil {238 // return nil, 0, "", errors.New(fmt.Sprintf("status code >= 400, PublicIP: %v, Status is %d, ResponseURL is %v", publicIP, Status, ResponseURL))239 // }240 // if page != nil {241 // _ = page.Close()242 // }243 // return nil, Status, ResponseURL, errors.New(fmt.Sprintf("status code >= 400, PublicIP: %v, Status is %d, ResponseURL is %v", publicIP, Status, ResponseURL))244 //}245 return page, Status, ResponseURL, nil246}247func PageNavigateWithProxy(page *rod.Page, proxyUrl string, desURL string, timeOut time.Duration) (*rod.Page, int, string, error) {248 router := page.HijackRequests()249 defer router.Stop()250 router.MustAdd("*", func(ctx *rod.Hijack) {251 px, _ := url.Parse(proxyUrl)252 err := ctx.LoadResponse(&http.Client{253 Transport: &http.Transport{254 Proxy: http.ProxyURL(px),255 TLSClientConfig: &tls.Config{InsecureSkipVerify: true},256 },257 }, true)258 if err != nil {259 return260 }261 })262 go router.Run()263 err := page.SetUserAgent(&proto.NetworkSetUserAgentOverride{264 UserAgent: random_useragent.RandomUserAgent(true),265 })266 if err != nil {...

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rod-helper.go

Source:rod-helper.go Github

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...109 * @param maxRetryTimes 当是非超时 err 的时候，最多可以重试几次110 * @return *rod.Page111 * @return error112 */113func NewBrowserLoadPage(desURL string, httpProxyURL string, timeOut time.Duration, maxRetryTimes int) (*rod.Page, error) {114 browser, err := NewBrowser(httpProxyURL)115 if err != nil {116 return nil, err117 }118 page, err := browser.Page(proto.TargetCreateTarget{URL: ""})119 if err != nil {120 return nil, err121 }122 page = page.Timeout(timeOut)123 nowRetryTimes := 0124 for nowRetryTimes <= maxRetryTimes {125 err = rod.Try(func() {126 wait := page.MustWaitNavigation()127 page.MustNavigate(desURL)128 wait()129 })130 if errors.Is(err, context.DeadlineExceeded) {131 // 超时132 return nil, err133 } else if err == nil {134 // 没有问题135 return page, nil136 }137 }138 return nil, err139}140/**141 * @Description: 访问目标 Url，返回 page，只是这个 page 有效，如果再次出发其他的事件无效142 * @param desURL 目标 Url143 * @param httpProxyURL http://127.0.0.1:10809144 * @param timeOut 超时时间145 * @param maxRetryTimes 当是非超时 err 的时候，最多可以重试几次146 * @return *rod.Page147 * @return error148 */149func NewBrowserLoadPageFromRemoteDocker(desURL string, httpProxyURL, remoteDockerURL string, timeOut time.Duration, maxRetryTimes int) (*rod.Page, error) {150 browser, err := NewBrowserFromDocker(httpProxyURL, remoteDockerURL)151 if err != nil {152 return nil, err153 }154 page, err := browser.Page(proto.TargetCreateTarget{URL: ""})155 if err != nil {156 return nil, err157 }158 page = page.Timeout(timeOut)159 nowRetryTimes := 0160 for nowRetryTimes <= maxRetryTimes {161 err = rod.Try(func() {162 wait := page.MustWaitNavigation()163 page.MustNavigate(desURL)164 wait()165 })166 if errors.Is(err, context.DeadlineExceeded) {167 // 超时168 return nil, err169 } else if err == nil {170 // 没有问题171 break172 }173 }174 return page, nil175}176/**177 * @Description: 访问目标 Url，返回 page，只是这个 page 有效，如果再次出发其他的事件无效178 * @param desURL 目标 Url179 * @param httpProxyURL http://127.0.0.1:10809180 * @param timeOut 超时时间181 * @param maxRetryTimes 当是非超时 err 的时候，最多可以重试几次182 * @return *rod.Page183 * @return error184 */185func NewBrowserLoadPageByHijackRequests(desURL string, httpProxyURL string, timeOut time.Duration, maxRetryTimes int) (*rod.Page, error) {186 var page *rod.Page187 var err error188 // 创建一个 page189 browser := rod.New()190 err = browser.Connect()191 if err != nil {192 return nil, err193 }194 page, err = browser.Page(proto.TargetCreateTarget{URL: ""})195 if err != nil {196 return nil, err197 }198 page = page.Timeout(timeOut)199 // 设置代理200 router := page.HijackRequests()201 defer router.Stop()202 err = rod.Try(func() {203 router.MustAdd("*", func(ctx *rod.Hijack) {204 px, _ := url.Parse(httpProxyURL)205 ctx.LoadResponse(&http.Client{206 Transport: &http.Transport{207 Proxy: http.ProxyURL(px),208 TLSClientConfig: &tls.Config{InsecureSkipVerify: true},209 },210 Timeout: timeOut,211 }, true)212 })213 })214 if err != nil {215 return nil ,err216 }217 go router.Run()218 nowRetryTimes := 0219 for nowRetryTimes <= maxRetryTimes {220 err = rod.Try(func() {221 page.MustNavigate(desURL).MustWaitLoad()222 })223 if errors.Is(err, context.DeadlineExceeded) {224 // 超时225 return nil, err226 } else if err == nil {227 // 没有问题228 break229 }230 time.Sleep(time.Second)231 nowRetryTimes++232 }233 return page, nil234}...

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1import (2func main() {3 browser := rod.New().Connect()4 page.Element("#hplogo").MustWaitVisible().MustScreenshot("screenshot.png")5 page.Keyboard.MustPress(input.Enter)6 page.Keyboard.MustType("Rod")7 page.Keyboard.MustPress(input.Enter)8 page.Screenshot("screenshot2.png")9 fmt.Println(page.MustElement(".g").MustText())10}

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1import (2func main() {3 file, err := os.Open("image.png")4 if err != nil {5 fmt.Println(err)6 os.Exit(1)7 }8 defer file.Close()9 img, err := png.Decode(file)10 if err != nil {11 fmt.Println(err)12 os.Exit(1)13 }14 bounds := img.Bounds()15 newImage := image.NewRGBA(bounds)16 draw.Draw(newImage, bounds, img, bounds.Min, draw.Src)17 distance := math.Sqrt(float64((width/2)*(width/2) + (height/2)*(height/2)))18 for i := 0; i < 50; i++ {19 for x := 0; x < width; x++ {20 for y := 0; y < height; y++ {21 r, g, b, a := img.At(x, y).RGBA()22 dist := math.Sqrt(float64((width/2-x)*(width/2-x) + (height/2-y)*(height/2-y)))23 intensity := (distance - dist) / distance

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1import (2func main() {3 page.WaitLoad()4 title, err := page.Title()5 if err != nil {6 fmt.Println("Error in getting title")7 }8 fmt.Println("Title is: ", title)9 url, err := page.URL()10 if err != nil {11 fmt.Println("Error in getting url")12 }13 fmt.Println("URL is: ", url)14 html, err := page.HTML()15 if err != nil {16 fmt.Println("Error in getting html")17 }18 fmt.Println("HTML is: ", html)19 browser.Close()20}

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1import (2func main() {3 browser := rod.New().Connect()4 page.WaitLoad()5 title, _ := page.Title()6 fmt.Println(title)7}

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1import (2func main() {3 bitmap := robotgo.LoadBitmap("logo.png")4 x, y := robotgo.FindBitmap(bitmap)5 fmt.Println("pos:", x, y)6 robotgo.FreeBitmap(bitmap)7}

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Load

Using AI Code Generation

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1import (2func main() {3 bmp := robotgo.OpenBitmap("2.png")4 x, y := robotgo.FindBitmap(bmp)5 fmt.Println("Position of the image: ", x, y)6 robotgo.MoveMouse(x, y)7}

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Load

Using AI Code Generation

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1import (2func main() {3 r.Load(20)4 fmt.Println("length of rod is ", r.Length)5 fmt.Println("weight of rod is ", r.Weight)6 fmt.Println("price of rod is ", r.Price)7}

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Automation Testing Tutorials

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LambdaTest Learning Hubs:

YouTube

You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.

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