Java 无法使用HttpClient下载文件
以下代码是我迄今为止尝试过的代码：Java 无法使用HttpClient下载文件,java,download,httpclient,Java,Download,Httpclient,以下代码是我迄今为止尝试过的代码： try{ DefaultHttpClient httpclient = new DefaultHttpClient(); HttpGet httpget = new HttpGet("http://somewebsite.com"); HttpResponse response = httpclient.execute(httpget); HttpEntity
try{
DefaultHttpClient httpclient = new DefaultHttpClient();
HttpGet httpget = new HttpGet("http://somewebsite.com");
HttpResponse response = httpclient.execute(httpget);
HttpEntity entity = response.getEntity();
System.out.println("Login form get: " + response.getStatusLine());
if (entity != null) {
entity.consumeContent();
}
System.out.println("Initial set of cookies:");
List<Cookie> cookies = httpclient.getCookieStore().getCookies();
if (cookies.isEmpty()) {
System.out.println("None");
} else {
for (int i = 0; i < cookies.size(); i++) {
System.out.println("- " + cookies.get(i).toString());
}
}
HttpPost httpost = new HttpPost("http://www.somewebsite.com/MemberSingIn");
List<NameValuePair> nvps = new ArrayList<NameValuePair>();
nvps.add(new BasicNameValuePair("email", "USERNAME"));
nvps.add(new BasicNameValuePair("password", "PASSWORD"));
nvps.add(new BasicNameValuePair("rememberMe", "true"));
httpost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));
response = httpclient.execute(httpost);
entity = response.getEntity();
System.out.println("Login form get: " + response.getStatusLine());
if (entity != null) {
entity.consumeContent();
}
System.out.println("Post logon cookies:");
cookies = httpclient.getCookieStore().getCookies();
String mySessionId = null;
if (cookies.isEmpty()) {
System.out.println("None");
} else {
for (int i = 0; i < cookies.size(); i++) {
if(cookies.get(i).toString().contains("SessionId=")){
int index1 = cookies.get(i).toString().indexOf("SessionId");
String temp = cookies.get(i).toString().substring(index1);
int index2 = temp.toString().indexOf("]");
temp = cookies.get(i).toString().substring(index1+10,index1+index2);
mySessionId = temp;
}
System.out.println("- " + cookies.get(i).toString());
}
}
CookieStore cookieStore = new BasicCookieStore();
BasicClientCookie cookie = new BasicClientCookie("Cookie",mySessionId);
cookieStore.addCookie(cookie);
httpclient.setCookieStore(cookieStore);
httpget = new HttpGet("http://somewebsite.URLTOGETFILE/eTable.txt");
response = httpclient.execute(httpget);
entity = response.getEntity();
System.out.println("HEREEEEEEEEEEEEEEEEEEE");
System.out.println(response.toString());
System.out.println("File get: " + response.getStatusLine());
InputStream in = entity.getContent();
File path = new File("/home/mrsevensevenseven/");
path.mkdirs();
File file = new File(path, "myfile.txt");
FileOutputStream fos = new FileOutputStream(file);
byte[] buffer = new byte[1024];
int len1 = 0;
while ((len1 = in.read(buffer)) > 0) {
fos.write(buffer, 0, len1);
}
fos.close();
httpclient.getConnectionManager().shutdown();
}catch(Exception e){
e.printStackTrace();
}
试试看{
DefaultHttpClient httpclient=新的DefaultHttpClient（）；
HttpGet HttpGet=新的HttpGet（“http://somewebsite.com");
HttpResponse response=httpclient.execute（httpget）；
HttpEntity=response.getEntity（）；
System.out.println（“登录表单get:+response.getStatusLine（））；
如果（实体！=null）{
entity.consumercontent（）；
}
System.out.println（“cookies的初始集：”）；
列表cookies=httpclient.getCookieStore（）.getCookies（）；
if（cookies.isEmpty（））{
系统输出打印项次（“无”）；
}否则{
对于（int i=0；i0）{
fos.写入（缓冲区，0，len1）；
}
fos.close（）；
httpclient.getConnectionManager（）.shutdown（）；
}捕获（例外e）{
e、 printStackTrace（）；
}
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head><title>
IBD eTables - Investors.com
</title><meta property="og:title" content="IBD eTables" /><meta property="og:type" content="article" /><meta property="og:url" content="http://research.investors.com/etables/default.aspx" /><meta property="og:image" content="http://www1.ibdcd.com/images/IBDicon_309171.png" /><meta property="og:site_name" content="Investor's Business Daily" /><meta property="fb:app_id" content="154916351273272" />
<script type="text/javascript">
var divHeight;
</script>
<link href="../App_Themes/eTables/eTablesStyles.css" type="text/css" rel="stylesheet" />
<script type="text/javascript" src="/Scripts/global.js?v=4"></script>
<script type="text/javascript" src="/Scripts/Silverlight.js?v=4"></script>
<script type="text/javascript" src="/Scripts/LaunchMSTool.js?v=4"></script>
</head>
<body>
<form name="form1" method="post" action="/etables/default.aspx" id="form1">
<div>
<input type="hidden" name="__VIEWSTATE" id="__VIEWSTATE" value="/wEPDwULLTExMzcwMDM5OTcPFhIeDEVuYWJsZUV4cG9ydGceC0N1cnJlbnRWaWV3AgEeDUN1cnJlbnRWaWV3SWQoKVtTeXN0ZW0uRGVjaW1hbCwgbXNjb3JsaWIsIFZlcnNpb249Mi4wLjAuMCwgQ3VsdHVyZT1uZXV0cmFsLCBQdWJsaWNLZXlUb2tlbj1iNzdhNWM1NjE5MzRlMDg5ATEeDWJzaG93aWJkY2hhcnRnHhBEaXNwbGF5QmFubmVyRVRCaB4LU29ydENvbHVtbjJlHgpTb3J0Q29sdW1uBQppYmQxMDByYW5rHgpTb3J0QXNjZW5kaB4GVGFiQ21kBQtJQkQxMDBJbmRleBYCAgEQZGQWBAIHDw8WAh4ISW1hZ2VVcmwFMmh0dHA6Ly93d3cuaW52ZXN0b3JzLmNvbS9pbWFnZS9iZ2VUYWJsZXNTbS5wbmcuY21zZGQCCA8PFgIeB1Zpc2libGVoZBYeAgcPZBYGAgEQDxYCHgtOYXZpZ2F0ZVVybAWVAWh0dHA6Ly9yZXNlYXJjaC5pbnZlc3RvcnMuY29tL2V0YWJsZXMvSUJENTBJbmRleFByaW50LmFzcHg/dGFiVmlldz1JQkQ1MCZjb2x1bW5zb3J0MT1pYmQ1MHJhbmsmY29sdW1uc29ydHR5cGUxPURFU0MmY29sdW1uc29ydDI9JmNvbHVtbnNvcnR0eXBlMj1ERVNDZGRkAgMQDxYCHwsFmwFodHRwOi8vcmVzZWFyY2guaW52ZXN0b3JzLmNvbS9ldGFibGVzL0lCRDUwWExTLmFzcHg/dGFiVmlldz1JQkQ1MCZmcm9tPWV0YWJsZXMmY29sdW1uc29ydDE9aWJkNTByYW5rJmNvbHVtbnNvcnR0eXBlMT1ERVNDJmNvbHVtbnNvcnQyPSZjb2x1bW5zb3J0dHlwZTI9REVTQ2RkZAIFEA8WAh8LBY4BaHR0cDovL3Jlc2VhcmNoLmludmVzdG9ycy5jb20vZXRhYmxlcy9WaWV3VGV4dC5hc3B4P3RhYlZpZXc9SUJENTAmY29sdW1uc29ydDE9aWJkNTByYW5rJmNvbHVtbnNvcnR0eXBlMT1ERVNDJmNvbHVtbnNvcnQyPSZjb2x1bW5zb3J0dHlwZTI9REVTQ2RkZAIIDw8WAh8KaGRkAgkPDxYCHwpoZBYGAgEPFgIeBFRleHQFHllvdSBoYXZlIG5vIHNhdmVkIHN0b2NrIGxpc3RzLmQCAxAPFgIfCwUlfi9NeUlCRC9FZGl0UG9ydGZvbGlvLmFzcHg/YWN0aW9uPW5ld2RkZAIEDxYCHwwFEiB0byBjcmVhdGUgYSBsaXN0LmQCCw9kFgICAQ9kFgICAQ8PFgIeCUluZGV4VHlwZQUCVERkFgJmD2QWAmYPZBYGAgEPDxYCHwwFEklCRCAxMDAgdnMgUyZQIDUwMBYCHgVzdHlsZQUQZm9udC1zaXplOiAxMnB4O2QCAw8PFgIfDAUbRnJvbSAzLzI1LzIwMTMgdG8gMy8yNS8yMDEzFgIfDgUQZm9udC1zaXplOiAxMXB4O2QCBw8PFgQfDAUXVmlldyBUcmFpbGluZyAxMiBNb250aHMeD0NvbW1hbmRBcmd1bWVudAUDTTEyZGQCEg8PFgIfCmhkZAITDw8WAh8KaGRkAhUPDxYCHwwFNEJlbG93IGlzIHRoZSBJQkQgNTAgSW5kZXggZm9yIHRoZSB3ZWVrIG9mIDMvMjIvMjAxMypkZAIZD2QWBgIBDw8WAh8MZWRkAgUPDxYCHwpoZGQCBw8QDxYCHwpoZGQWAWZkAhoPDxYCHwpnZBYCAgEPZBYGZg9kFgJmDxYCHgtfIUl0ZW1Db3VudAIBFgICAQ9kFgQCAQ8WAh8MBQczLzIyLzEzZAIDEA8WBB8MBTJZb3UgQ2FuIFN0aWxsIEZpbmQgQnV5YWJsZSBMZWFkZXJzIEluIFN0b2NrIE1hcmtldB8LBWxodHRwOi8vbmV3cy5pbnZlc3RvcnMuY29tL2ludmVzdGluZy1pbnNpZGUtdGhlLTUwLzAzMjIxMy02NDkwNzQtc3RvY2stbWFya2V0LWxlYWRlcnMtc3RpbGwtb2ZmZXItZW50cmllcy5odG1kZGQCAg9kFgJmDxYCHxACAhYEAgEPZBYCAgEQDxYEHwwFL0x1bWJlciBMaXF1aWRhdG9ycyBSZWJvdW5kcyBXaXRoIEhvdXNpbmcgTWFya2V0HwsFV2h0dHA6Ly9uZXdzLmludmVzdG9ycy5jb20vaW52ZXN0aW5nLzAzMjIxMy02NDkwNzctbHVtYmVyLWxpcXVpZGF0b3JzLW9mZmVycy1hLWZsb29yLmh0bWRkZAICD2QWAgIBEA8WBB8MBShJeGlhJ3MgUmVzdWx0cyBBbW9uZyBJdHMgSW5kdXN0cnkncyBCZXN0HwsFVmh0dHA6Ly9uZXdzLmludmVzdG9ycy5jb20vaW52ZXN0aW5nLzAzMjIxMy02NDkwNzUtaXhpYS1hLWxlYWRlci1pbi1uZXR3b3JrLXRlc3RpbmcuaHRtZGRkAgQPZBYCAgEPFgIfCmcWAgIBEA8WBB8MBQRMTktEHwsFiwFodHRwOi8vZWR1Y2F0aW9uLmludmVzdG9ycy5jb20vZGFpbHktc3RvY2stYW5hbHlzaXMvMDMyMjEzLTY0OTAxNC1ob3ctaW52ZXN0b3JzLWNvdWxkLWhhdmUtaG9va2VkLXVwLXdpdGgtbGlua2VkaW4tYmVmb3JlLWl0cy1iaWctbW92ZS5hc3B4ZGRkAhsPDxYCHwpnZBYCZg9kFgJmD2QWAmYQDxYCHwsFQWh0dHA6Ly93d3cuaW52ZXN0b3JzLmNvbS9pbWFnZS9ldGFibGVzL2liZDUwL2liZDUwXzAzMjIxMy5wZGYuY21zZGRkAh0PDxYQHgtVc2VyU2VjTGlzdGUeDVVzZXJTZWNMaXN0SWQoKwQBMh8BAgEeD0N1cnJlbnRUYWJJbmRleGYeDUN1cnJlbnRUYWJDbWQFC0lCRDEwMEluZGV4HgxVc2VyUHJpbUxpc3RlHg5Vc2VyUHJpbUxpc3RJZCgrBAExHhNDdXJyZW50Vmlld1Bvc2l0aW9uKCsEATFkFgZmDxYCHxACBhYMAgEPZBYEZg8VAQlhY3RpdmV0YWJkAgEPDxYGHghDc3NDbGFzcwUJdGFiYWN0aXZlHgtDb21tYW5kTmFtZQULSUJEMTAwSW5kZXgeBF8hU0ICAmQWAmYPFQEMSUJEIDUwIEluZGV4ZAIDD2QWBGYPFQELaW5hY3RpdmV0YWJkAgEPDxYGHxgFC3RhYmluYWN0aXZlHxkFEklCRE5ld0FtZXJpY2FJbmRleB8aAgJkFgJmDxUBFUlCRCBOZXcgQW1lcmljYSBJbmRleGQCBQ9kFgRmDxUBC2luYWN0aXZldGFiZAIBDw8WBh8YBQt0YWJpbmFjdGl2ZR8ZBQ1JQkQ4NS04NUluZGV4HxoCAmQWAmYPFQEPSUJEIDg1LTg1IEluZGV4ZAIHD2QWBGYPFQELaW5hY3RpdmV0YWJkAgEPDxYGHxgFC3RhYmluYWN0aXZlHxkFC0lCREJpZ0NhcDIwHxoCAmQWAmYPFQEOSUJEIEJpZyBDYXAgMjBkAgkPZBYEZg8VAQtpbmFjdGl2ZXRhYmQCAQ8PFgYfGAULdGFiaW5hY3RpdmUfGQUKTWFpblRhYmxlcx8aAgJkFgJmDxUBC01haW4gVGFibGVzZAILD2QWBGYPFQELaW5hY3RpdmV0YWJkAgEPDxYGHxgFC3RhYmluYWN0aXZlHxkFCU15ZVRhYmxlcx8aAgJkFgJmDxUBCk15IGVUYWJsZXNkAgIPZBYIAgEPDxYCHwpoZGQCAw8PFgIfDAUeVmlldyBJQkQgNTAgSW5kZXggU3RvY2sgVGFibGVzZGQCBQ8PFgQfDAUlVmlldyBJQkQgNTAgSW5kZXggRXhwYW5kZWQgU3RvY2sgRGF0YR8PBQEyZGQCBw8PFgIfCmhkZAIEDw8WAh8KaGRkAh4PZBYCZg9kFgoCAQ8QDxYGHg1EYXRhVGV4dEZpZWxkBQROYW1lHg5EYXRhVmFsdWVGaWVsZAUJZVRhYmxlQ29sHgtfIURhdGFCb3VuZGdkEBUYBFJhbmsXU21hcnRTZWxlY3QgQ29tcCBSYXRpbmcKRVBTIFJhdGluZwlSUyBSYXRpbmcRSW5kdXN0cnkgR3JvdXAgUlMKU01SIFJhdGluZw5BY2MvRGlzIFJhdGluZww1Mi1XZWVrIEhpZ2gNQ2xvc2luZyBQcmljZQ5QcmljZSAkIENoYW5nZQ9Wb2x1bWUgJSBDaGFuZ2UNVm9sdW1lICgxMDAwKQJQRQtTcG9uIFJhdGluZwlEaXYgWWllbGQKJSBPZmYgSGlnaBZBbm4uIEVQUyBFc3QuICUgQ2hhbmdlEkxhc3QgUXRyIEVQUyAlIENoZxJOZXh0IFF0ciBFUFMgJSBDaGcSTGFzdCBRdHIgU2FsZXMgQ2hnEFJldHVybiBPbiBFcXVpdHkNUHJldGF4IE1hcmdpbgxNbmdtdCBPd25zICURUXRyIEVQUyBDbnQgPiAxNSUVGAppYmQxMDByYW5rCmNvbXByYXRpbmcHZXBzcmFuawVyZWxzdAZncnBzdHIDc21yBmFjY2RpcwR5cmhpCnByaWNlY2xvc2UIcHJpY2VjaGcKdm9scGVyY2NoZwhkYWlseXZvbAdwZXJhdGlvCnNwb25yYXRpbmcGZGl2eWxkCnBvZmY1MndraGkJYW5uZXN0Y2hnCXF0cmVybmNoZwlxdHJlc3RjaGcJcXRyc2FsY2hnA3JlcQxwcmV0YXhtYXJnaW4Fc21tZ3QJcXRyY250ZXBzFCsDGGdnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnZ2dnZxYBZmQCAw8QZGQWAQIBZAIFDxAPFgYfGwUETmFtZR8cB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IBD电子表格-Investors.com
高度；
var isEntitled=ToBoolean（“假”）；
var isWeekly=ToBoolean（“假”）；
//
如果（类型）！=‘未定义’{s.server=“IBDWEB21”；s.events=“”；s.channel=“股票研究”；s.pageName=“”；s.pageType=“”；s.hier1=“股票研究，eTables”；s.prop8=“”；s.state=“”；s.purchaseID=“”；s.prop1=“”；s.prop2=“”；s.prop3=“eTables”；s.prop4=“”；s.prop5=“”；s.prop6=“”；s.prop7=“”；s.prop8=“”；s.prop9=“”；s.prop10=”工具；“s.12.props”=“访客”s.prop13=“”；s.prop14=“”；s.prop15=“”；s.prop16=“eTables”；s.prop17=“”；s.prop18=“”；s.prop19=“”；s.prop20=“”；s.prop21=“”；s.prop22=“”；s.prop23=“”；s.prop24=“”；s.prop32=“”；s.prop33=“”；s.prop35=“”；s.prop36=“”；s.prop37=“”；s.prop38=“”；s.prop39=“”；s 40=“”；s.prop41=“”；s.42=“”；s.43=“”；s.props.45=“”“s.prop47”“s.prop47”“s.prop47”“”“s.prop47”“”“s.prop47”“s.prop47”“s.prop47”“s.prop47”“s.prop47”“s.prop47”“s.prop47”“s.prop47”“”“s.prop47”“”“s.prop48”“”“s.prop48 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008 2008关键词关键词关键词关键词关键词关键词关键词关键词关键词关键词关键词关键词关键词关键词关键词关键词关键词关键词关键词关键词关键词；；该该该该省省省省省省的整体整体除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了除了eVar25=“”；s.eVar26=“”；s.eVar27=“”；s.eVar28=“”；s.eVar29=“”；s.eVar30=“”；s.eVar31=“”；s.eVar32=“”；s.eVar33=“”；s.eVar34=“”；）
//自定义变量
如果（类型）！=‘未定义’）
{
s、 pageName=“eTables-IBD 50指数-标准股票数据”；
}
if（typeof（s）！='undefined'）{try{var s_code=s.t（）；if（s_code）{document.write（s_code）；}}}catch（e）{}
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信标（{c1:2，c2:7592510，c3:，c4:，c5:，c6:，c15:}）；
777先生好吧，再过一会儿
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpVersion;
import org.apache.http.NameValuePair;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.cookie.Cookie;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.CoreProtocolPNames;
import org.apache.http.protocol.HTTP;
public class DownloadAuthenticatedFile{
public static void main(String... args){
try{
DefaultHttpClient httpclient = new DefaultHttpClient();
HttpGet httpget = new HttpGet("http://website.com");
HttpResponse response = httpclient.execute(httpget);
HttpEntity entity = response.getEntity();
System.out.println("Login form get: " + response.getStatusLine());
if (entity != null) {
entity.consumeContent();
}
System.out.println("Initial set of cookies:");
List<Cookie> cookies = httpclient.getCookieStore().getCookies();
if (cookies.isEmpty()) {
System.out.println("None");
} else {
for (int i = 0; i < cookies.size(); i++) {
System.out.println("- " + cookies.get(i).toString());
}
}
HttpPost httpost = new HttpPost("http://www.somewebsite.com/MemberSingIn");
List<NameValuePair> nvps = new ArrayList<NameValuePair>();
nvps.add(new BasicNameValuePair("email", "USERNAME"));
nvps.add(new BasicNameValuePair("password", "PASSWORD"));
nvps.add(new BasicNameValuePair("remember", "true"));
httpost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));
response = httpclient.execute(httpost);
entity = response.getEntity();
System.out.println("Login form get: " + response.getStatusLine());
if (entity != null) {
entity.consumeContent();
}
System.out.println("Post logon cookies:");
cookies = httpclient.getCookieStore().getCookies();
String mySessionId = null;
if (cookies.isEmpty()) {
System.out.println("None");
} else {
for (int i = 0; i < cookies.size(); i++) {
if(cookies.get(i).toString().contains("SessionId=")){
int index1 = cookies.get(i).toString().indexOf("SessionId");
String temp = cookies.get(i).toString().substring(index1);
int index2 = temp.toString().indexOf("]");
temp = cookies.get(i).toString().substring(index1+10,index1+index2);
mySessionId = temp;
}
System.out.println("- " + cookies.get(i).toString());
}
}
httpclient.getParams().setParameter(CoreProtocolPNames.PROTOCOL_VERSION, HttpVersion.HTTP_1_1);
httpget = new HttpGet("http://PATHOFWEBSITETOFILE");
response = httpclient.execute(httpget);
entity = response.getEntity();
Header[] headers = response.getAllHeaders();
for(int i=0;i<headers.length;i++){
System.out.println("Header: "+headers[i].toString());
}
System.out.println(response.toString());
System.out.println("File get: " + response.getStatusLine());
InputStream in = entity.getContent();
File path = new File("/home/mrsevensevenseven");
path.mkdirs();
File file = new File(path, "myfile.xls");
FileOutputStream fos = new FileOutputStream(file);
byte[] buffer = new byte[1024];
int len1 = 0;
while ((len1 = in.read(buffer)) != -1) {
fos.write(buffer, 0, len1);
}
fos.close();
httpclient.getConnectionManager().shutdown();
}catch(Exception e){
e.printStackTrace();
}
}
}