封装By以后，脚本只能打开登陆网页，登陆不进去

Question

package com.selenium.miyang.go;

import org.openqa.selenium.By;

import org.openqa.selenium.WebDriver;

import org.openqa.selenium.WebElement;

import org.openqa.selenium.chrome.ChromeDriver;

import org.openqa.selenium.interactions.Actions;

public class login {

WebDriver driver;

public void initDriver(){

System.setProperty("webdriver.chrome.driver", "D:\\wps\\selenium-2.42.2\\chromedriver.exe");

driver = new ChromeDriver();

driver.get("https://www.imooc.com/user/newlogin/from_url");

driver.manage().window().maximize();

}

/*

*登陆脚本

* 

*/

public void loginScript() throws Exception{

this.initDriver();

String username = "17729597958";

String password = "andong527011764";

String userBy ="name";

String userElement = "email";

String passBy = "name";

String passElement = "password";

String buttonBy = "className";

String buttonElement = "moco-btn";

String headerBy = "id";

String headerElement = "header-avator";

String userInforBy = "className";

String userInforElement = "name";

Thread.sleep(2000);

WebElement user = this.element(this.byStr(userBy, userElement));

user.isDisplayed();

WebElement userpass = this.element(this.byStr(passBy, passElement));

userpass.isDisplayed();

WebElement login_button = this.element(this.byStr(buttonBy, buttonElement));

login_button.isDisplayed();

user.sendKeys(username);

userpass.sendKeys(password);

login_button.click();

Thread.sleep(2000);

WebElement header = this.element(this.byStr(headerBy, headerElement));

Actions action = new Actions(driver);//鼠标悬停

action.moveToElement(header).perform();

String userInfor = this.element(this.byStr(userInforBy, userInforElement)).getText();

System.out.println(userInfor);

if(userInfor.equals("慕勒2472625")){

System.out.println("登陆成功");

}else{

System.out.println("登陆失败");

}

}

/*封装By*/

public By byStr(String by,String local ){

if(by.equals("id")){

return By.id(local);

}else if(equals("name")){

return By.name(local);

}else if(by.equals("className")){

return By.className(local);

}else{

return By.xpath(local);

}

}

/*封装element*/

public WebElement element(By by){

WebElement ele=driver.findElement(by);

return ele;

}

public static void main(String[] args) throws Exception{

login action = new login();

action.loginScript();

}

}