selenium如何操作cookies实现免登录

执行接口测试或者某些自动化测试时，为了避免每次访问接口都需要登录操作，可以用访问接口时，把cookies信息传过去。

思路是先登录一次页面，获取到cookies信息，把cookies信息保存到本地文件，以后再访问页面时直接拿本地的cookies文件传过去

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package com.gmsd;
 
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Set;
import java.util.StringTokenizer;
 
import org.openqa.selenium.By;
import org.openqa.selenium.Cookie;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.chrome.ChromeDriver;
 
/** 
 * @author QiaoJiaofei 
 * @version 创建时间：2015年7月2日 上午10:29:54 
 * 类说明 
 */
public class TestCookie {
     
    WebDriver dr = null;
     
    public static void main(String args[]) {
         
        TestCookie t = new TestCookie();
        t.wtriteC();
        t.getC();
    }
    public void wtriteC() {
        System.setProperty("webdriver.chrome.driver", "D:/BaiduYunDownload/selenium/chromedriver.exe");
        dr = new ChromeDriver();
        dr.get("http://172.16.30.209:5555/login.shtml");
         
        dr.findElement(By.id("inputEmail")).sendKeys("18600363820");
        dr.findElement(By.id("inputPassword")).sendKeys("123456");
        dr.findElement(By.id("denglu")).click();
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
 
         
        File file = new File("D:/JavaTestFile/TestCookies.txt");
                 
        Set<Cookie> s = dr.manage().getCookies();
         
         
        if(file.exists()) {
            file.delete();
            try {
                file.createNewFile();
 
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        try {
            FileWriter fw = new FileWriter(file);
            BufferedWriter bw = new BufferedWriter(fw);
            for(Cookie c:s) {
                bw.write(c.getDomain()+";"+c.getName()+";"+c.getValue()+";"+c.getPath()+";"+c.getExpiry()+";"+c.isSecure());
                bw.newLine();
            }
            bw.flush(); 
            bw.close();
            fw.close();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        dr.quit();
    }
    public void getC() {    
        System.setProperty("webdriver.chrome.driver", "D:/BaiduYunDownload/selenium/chromedriver.exe");
        dr = new ChromeDriver();
        dr.get("http://172.16.30.209:5555");
        File file = new File("D:/JavaTestFile/TestCookies.txt");
        try {
            FileReader fr = new FileReader(file);
            BufferedReader br = new BufferedReader(fr);
            String line = null;
            while((line=br.readLine())!=null) {
             
                 
                String [] sz = line.split(";");
                String doman =  sz[0].trim();
                String name = sz[1].trim();
                String value = sz[2].trim();
                String path = sz[3].trim();
                Date date = null;
 
                if(!(sz[4].equals("null"))){    
                    date = new Date(sz[4]);
                    //System.out.println("date="+date);
 
                }
                Boolean bl = Boolean.valueOf(sz[5]);
             
                 
                Cookie ck = new Cookie(name,value,doman,path,date,bl); 
                dr.manage().addCookie(ck);
            }
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
         
        dr.get("http://172.16.30.209:5555");
        //dr.quit();
    }
}