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Selenium Java注入了新的Javascript函数(Selenium Java inject new Javascript function)

我有一个动态函数,我想在页面加载后添加。 我需要这样做,因为函数名称取决于解析HTML后得到的一些变量。 现在我已经这样做了:

规格:我正在使用含有PhantomJS 1.9.8的selenium 3.3.1

((JavascriptExecutor) driver).executeScript(" eval('function getVoteX1() { return 1; }')");
String testScript = (String)((JavascriptExecutor) driver).executeScript(" getVoteX1()");
System.out.println(testScript);

但是当我运行它时,它会抛出错误:

Caused by: org.openqa.selenium.WebDriverException: {"errorMessage":"Can't find variable: getVoteX1","request":{"

注意:最终,getVoteX1将被其他变量替换,但为了简单起见,我首先尝试了静态名称。


I have a dynamic function that I want to add after page loading. I need to do this because the function name depends on some variable that I get after parsing HTML. For now I've done this:

Spec: I'm using selenium 3.3.1 with PhantomJS 1.9.8

((JavascriptExecutor) driver).executeScript(" eval('function getVoteX1() { return 1; }')");
String testScript = (String)((JavascriptExecutor) driver).executeScript(" getVoteX1()");
System.out.println(testScript);

But when I run this, it throws error :

Caused by: org.openqa.selenium.WebDriverException: {"errorMessage":"Can't find variable: getVoteX1","request":{"

Note: Eventually, getVoteX1 will be replaced by some other variable, but for simplicity I tried a static name first.


原文:https://stackoverflow.com/questions/48256572
更新时间:2020-05-26 23:47

最满意答案

将新函数分配给window对象,这相当于定义一个全局变量

((JavascriptExecutor) driver).executeScript("window.getVoteX1 = function() { return 1; }");
String testScript = (String)((JavascriptExecutor) driver).executeScript(" getVoteX1()");

Assign the new function to the window object, which is equivalent to defining a global variable:

((JavascriptExecutor) driver).executeScript("window.getVoteX1 = function() { return 1; }");
String testScript = (String)((JavascriptExecutor) driver).executeScript(" getVoteX1()");
2018-01-15

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