It works, but it’s not very useful, because I want to make an external

.js which contains all the JavaScript functions and call them from

there, not in a String.

您只能通過將外部js文件加載到DOM中來實(shí)現(xiàn)此目的

var addscript=window.document.createElement('script');addscript.type='text/javascript';addscript.src='http://localhost/somescript.js';document.getElementsByTagName('body')[0].appendChild(addscript);

注意：大多數(shù)瀏覽器不允許您加載本地資源,因此將外部js文件放在本地Web服務(wù)器中,然后像http://localhost/somescript.js一樣訪問它

將js文件加載到DOM后,您可以調(diào)用外部js文件中的javascript函數(shù)

例

假設(shè)我們有一個名為somescript.js的外部js文件,其中包含以下函數(shù)

//simple function which sets the value "test" to the search box

window.somefunc = function () {document.getElementsByName("s")[0].value='test';}

Webdriver代碼：

driver.get("http://www.jquery.com");

//Load the External js file into DOM

((JavascriptExecutor) driver)

.executeScript("var addscript=window.document.createElement('script');addscript.type='text/javascript';addscript.src='http://localhost/somescript.js';document.getElementsByTagName('body')[0].appendChild(addscript);");

//wait for the js to be loaded to the DOM

((JavascriptExecutor) driver)

.executeScript("return typeof(somefunc)").toString().equals("function");

//Now you call the JavaScript functions in the JS file

((JavascriptExecutor) driver)

.executeScript("somefunc();");

注意：在幕后,Selenium將您的JavaScript代碼包裝在anonymous function中.因此,您的somefunc函數(shù)是此匿名函數(shù)的本地函數(shù).由于JavaScript的作用域規(guī)則,somefunc不存在于該匿名函數(shù)之外.所以我們通過將它分配給窗口使它成為一個全局函數(shù).

編輯：

And I don’t really understand why you use the window statement. And I

was searching something like ((JavascriptExecutor)

driver).executeScript(“here the .js”); But I don’t know if it is

possible

這是executeScript方法執(zhí)行提供的javascript的方式

The script fragment provided will be executed as the body of an

anonymous function.

例如,如果我們使用以下代碼

((JavascriptExecutor) driver)

.executeScript("somefunc = function () {document.getElementsByName("s")[0].value='test';}");

((JavascriptExecutor) driver)

.executeScript("somefunc();");

(function() {

somefunc = function () {document.getElementsByName("s")[0].value='test';}

})();

(function() {

somefunc();

});

What do you mean where you say that you want to put the external .js

into the DOM?

通過DOM我的意思是構(gòu)建為對象樹(簡稱你的網(wǎng)頁)的頁面的文檔對象模型.我們使用javascript將外部js加載到網(wǎng)頁,然后調(diào)用js文件中的函數(shù)并執(zhí)行它們(就像在以上例子).

In the code that you put in your edit. Both functions are the same?

我剛才給出了一個例子,我的意思是執(zhí)行腳本中提供的每個腳本都將在匿名函數(shù)的主體中執(zhí)行.在我們的例子中,我們沒有使用executioncript創(chuàng)建somefunc函數(shù)而是從外部js文件中使用它在dom中我們只使用executioncript方法調(diào)用它,所以你可以使用或不使用window對象

//simple function which sets the value "test" to the search box

somefunc = function () {document.getElementsByName("s")[0].value='test';}//this will also work

希望這會對你有所幫助.如果您有任何疑問,請回復(fù).

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