添加事件等待类，用于等待某个事件后再进行下一个操作时使用，未完善

src/main/java/pres/auxiliary/work/selenium/event/EventWait.java

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+package pres.auxiliary.work.selenium.event;
+
+import java.time.Duration;
+
+import org.openqa.selenium.WebDriver;
+import org.openqa.selenium.support.ui.WebDriverWait;
+
+import pres.auxiliary.work.selenium.element.Element;
+
+public class EventWait {
+	/**
+	 * 控制等待
+	 */
+	private WebDriverWait wait;
+	
+	/**
+	 * 构造WaitEvent类对象，默认60秒的查询超时时间，可设置超时时间，见{@link #setOvertime(long)}
+	 * @param driver WebDriver类对象
+	 */
+	public EventWait(WebDriver driver) {
+		this(driver, 60);
+	}
+	
+	/**
+	 * 构造WaitEvent类对象，并设置等待超时时间，单位为秒
+	 * @param driver WebDriver类对象
+	 */
+	public EventWait(WebDriver driver, long overtime) {
+		wait = new WebDriverWait(driver, overtime, 200);
+		wait.withMessage("元素仍然存在，操作超时：" + overtime + "秒");
+	}
+
+	/**
+	 * 用于设置元素查询超时时间，单位为秒
+	 * @param overtime 超时时间
+	 */
+	public void setOvertime(long overtime) {
+		wait.pollingEvery(Duration.ofSeconds(overtime));
+	}
+	
+	/**
+	 * 用于等待元素消失
+	 * @param waitElement 需要等待的元素
+	 */ 
+	public void disappear(Element waitElement) {
+		wait.until(driver -> {
+			return !waitElement.getWebElement().isDisplayed();
+		});
+	}
+}

src/test/java/pres/auxiliary/work/selenium/event/EventWaitTest.java

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+package pres.auxiliary.work.selenium.event;
+
+import java.io.File;
+
+import org.testng.annotations.AfterClass;
+import org.testng.annotations.BeforeClass;
+import org.testng.annotations.Test;
+
+import pres.auxiliary.work.selenium.brower.ChromeBrower;
+import pres.auxiliary.work.selenium.brower.ChromeBrower.ChromeOptionType;
+import pres.auxiliary.work.selenium.element.CommonBy;
+import pres.auxiliary.work.selenium.element.DataListBy;
+
+/**
+ * <p><b>文件名：</b>EventWaitTest.java</p>
+ * <p><b>用途：</b>
+ * 用于对{@link EventWait}类进行测试
+ * </p>
+ * <p><b>页面：</b>
+ * 运维管理系统，岗前答题库模块
+ * </p>
+ * <p><b>编码时间：</b>2020年5月24日下午4:37:25</p>
+ * <p><b>修改时间：</b>2020年5月24日下午4:37:25</p>
+ * @author 
+ * @version Ver1.0
+ * @since JDK 12
+ *
+ */
+public class EventWaitTest {
+	EventWait wait;
+	ClickEvent c;
+	TextEvent t;
+	CommonBy cby;
+	ChromeBrower cb = new ChromeBrower(new File("Resource/BrowersDriver/Chrom/78.0394.70/chromedriver.exe"));
+	
+	@BeforeClass
+	public void init() {
+		cb.addConfig(ChromeOptionType.CONTRAL_OPEN_BROWER, "127.0.0.1:9222");
+		cby = new CommonBy(cb);
+		c = new ClickEvent(cb.getDriver());
+		t = new TextEvent(cb.getDriver());
+		wait = new EventWait(cb.getDriver());
+		
+	}
+	
+	@AfterClass
+	public void quit() {
+		cb.getDriver().quit();
+	}
+	
+	/**
+	 * 测试{@link EventWait#disappear(pres.auxiliary.work.selenium.element.Element)}方法
+	 */
+	@Test
+	public void disappearTest() {
+		//获取编号列
+		DataListBy element = new DataListBy(cb);
+		element.add("/html/body/div[1]/div/div/section/div/div[2]/div[3]/table//td[contains(@class,'el-table_1_column_1 ')]/div/span");
+		
+		System.out.println(element.getMinColumnSize());
+		System.out.println("开始页：");
+		//获取并打印编号列
+		for (int i = 1; i <= element.getMinColumnSize(); i++) {
+			System.out.println("====================================");
+			for (String  name : element.getNames()) {
+				System.out.println("编号" + t.getText(element.getElement(name, i)));
+			}
+			System.out.println("====================================");
+		}
+		
+		//点击搜索按钮，使其弹出等待加载的图标
+		c.click(cby.getElement("//button[@class='btn-next']"));
+		//等待图标消失
+		wait.disappear(cby.getElement("//*[@class='circular']"));
+		
+		System.out.println("下一页：");
+		//重新再获取并打印编号列
+		for (int i = 1; i <= element.getMinColumnSize(); i++) {
+			System.out.println("====================================");
+			for (String  name : element.getNames()) {
+				System.out.println("编号" + "=" + t.getText(element.getElement(name, i)));
+			}
+			System.out.println("====================================");
+		}
+	}
+}