public?void?File()?throws?Exception{ Thread.sleep(2000); //更改JS ??? String?js?=?"document.getElementsByClassName('update-avator')[0].style.bottom='0px';"; ??? Thread.sleep(2000); ??? JavascriptExecutor?jsExecutor??=?(JavascriptExecutor)?driver; ?? Thread.sleep(2000); ??? jsExecutor.executeScript(js); ??? Thread.sleep(2000); ??? driver.findElement(By.className("js-avator-link")).click(); ??? Thread.sleep(2000); ??? driver.findElement(By.id("upload")).sendKeys("C:\\Users\\sony\\Desktop\\軟件測試順序.jpg"); ???driver.findElement(By.linkText("確定")).click(); }報錯如下:77行對應的是jsExecutor.executeScript(js); 。不僅如此，我在這段代碼的里面加什么都會報錯，加鏈接地址也跳不過去。也報空指針。