阿帕奇HttpClient的不存在。错误 [英] Apache httpclient does not exist. Error

问题描述

您好我不断收到错误

Hi I keep getting an errors

test.java:15: package org.apache.commons.httpclient does not exist
import org.apache.commons.httpclient.Cookie;
                                ^
test.java:16: package org.apache.commons.httpclient does not exist
import org.apache.commons.httpclient.HttpState;
                                ^
test.java:17: package org.apache.commons.httpclient does not exist
import org.apache.commons.httpclient.HttpClient;
                                ^
test.java:18: package org.apache.commons.httpclient.methods does not exist
import org.apache.commons.httpclient.methods.GetMethod;
                                        ^
test.java:22: cannot find symbol
symbol  : class HttpClient
location: class test
            HttpClient client = new HttpClient();
            ^
test.java:22: cannot find symbol
symbol  : class HttpClient
location: class test
            HttpClient client = new HttpClient();
                                    ^
test.java:26: cannot find symbol
symbol  : class GetMethod
location: class test
            GetMethod method = new GetMethod("https://online.investools.com/authentication/auth.iedu");
            ^
test.java:26: cannot find symbol
symbol  : class GetMethod
location: class test
            GetMethod method = new GetMethod("https://online.investools.com/authentication/auth.iedu");
                                   ^
test.java:29: cannot find symbol
symbol  : class Cookie
location: class test
                              Cookie[] cookies = client.getState().getCookies();
                              ^
test.java:31: cannot find symbol
symbol  : class Cookie
location: class test
                                    Cookie cookie = cookies[i];
                                    ^
10 errors

编译我用

javac -cp ;./httpclient-4.2.jar;jsoup-1.6.3.jar test.java

这就是code

and this is the code

import org.jsoup.Jsoup;
import org.jsoup.nodes.Document;
import org.jsoup.nodes.Element;
import org.jsoup.select.Elements;
import org.apache.commons.httpclient.Cookie;  
import org.apache.commons.httpclient.HttpState;  
import org.apache.commons.httpclient.HttpClient;  
import org.apache.commons.httpclient.methods.GetMethod; 


public class test{
public static void main (String []args)throws IOException{
    HttpClient client = new HttpClient();  
    client.getParams().setParameter("username", "SomeUSER");  
    client.getParams().setParameter("password", "GF@QT#$WE");  

    GetMethod method = new GetMethod("https://online.investools.com/authentication/auth.iedu");  
        try{  
              client.executeMethod(method);  
              Cookie[] cookies = client.getState().getCookies();  
              for (int i = 0; i < cookies.length; i++) {  
                Cookie cookie = cookies[i];  
                System.err.println(  
                  "Cookie: " + cookie.getName() +  
                  ", Value: " + cookie.getValue() +  
                  ", IsPersistent?: " + cookie.isPersistent() +  
                  ", Expiry Date: " + cookie.getExpiryDate() +  
                  ", Comment: " + cookie.getComment());  
                }  
              client.executeMethod(method);  
        } 
        catch(Exception e) {  
          System.err.println(e);  
        } 
        finally {  
          method.releaseConnection();  
        }

我很迷茫，不知道我在做什么错。我认为这很简单，但我已经检查好几次，它的存在和jsoup编译罚款。
谢谢

I am very confused and don't know what I'm doing wrong. I think it is simple, but I have checked several times and it exists and jsoup compiles fine. Thanks

推荐答案

我相信你想 org.apache.http.client 如果你使用的HttpClient 4.2 （它看起来像你）。在 org.apache.commons.httpclient 包是为旧版本。

I believe you want org.apache.http.client if you're using HttpClient 4.2 (which it looks like you are). The org.apache.commons.httpclient package is for the older version.

编辑：没有的所有的这是在的HttpClient 现在在班 http.client ;有的只是在 HTTP 。此外，其他的变化是必需的 - 例如，的HttpClient 现在是一个接口，所以你不能实例化它这样。基本上，你有3.X code，所以您应该更新到4.x或使用3.x的jar文件。

Not all the classes which were in httpclient are now in http.client; some are just in http. Additionally, other changes are required - for example, HttpClient is now an interface, so you can't instantiate it like that. Basically, you've got 3.x code, so you should either update it to 4.x or use the 3.x jar files.

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