功能：使用httpclient登陆百度账户访问开放平台获取POI数据
环境：httpclient: httpclient-3.1
开发工具：eclipse
引用的jar包：
引用
commons-httpclient-3.1.jar
commons-logging.jar
commons-codec-1.3.jar
java代码：
package org.qhy.test;
import java.io.IOException;
import java.net.URLEncoder;
import org.apache.commons.httpclient.Cookie;
import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.UsernamePasswordCredentials;
import org.apache.commons.httpclient.auth.AuthScope;
import org.apache.commons.httpclient.cookie.CookiePolicy;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.params.HttpMethodParams;
public class TestInvokeBaiduLogin {
public static void main(String[] args) throws HttpException, IOException {
// 创建httpClient客户端
HttpClient client = new HttpClient();
// 百度的登陆url
String loginUrl = "https://passport.baidu.com/v2/api/?login";
// 设置代理
String httpProxyHost = "10.1.xx.xx";
int proxyPort = 1010;
client.getHostConfiguration().setProxy(httpProxyHost, proxyPort);
// 代理验证信息
client.getParams().setAuthenticationPreemptive(true);
UsernamePasswordCredentials creds = new UsernamePasswordCredentials(
"username", "password");
client.getState().setProxyCredentials(AuthScope.ANY, creds);
// 代理设置结束(如果不需要代理这段可以注释掉)
// 登陆百度
PostMethod psotMethod = new PostMethod(loginUrl);
// 设置登陆参数
NameValuePair[] data = {
new NameValuePair("class", "login"),
new NameValuePair("tpl", "mn"),
new NameValuePair("tangram", "true"),
new NameValuePair("isPhone", "false"),
new NameValuePair("loginType", "1"),
new NameValuePair("token", "f6994339731518f4c50d30acc10cbc6f"),
new NameValuePair("callback",
"parent.bdPass.api.login._postCallback"),
new NameValuePair("username", "xxxxx"),
new NameValuePair("password", "xxx") };
psotMethod.setRequestBody(data);
// HttpClient像浏览器一样接收 Cookie,
client.getParams().setCookiePolicy(CookiePolicy.BROWSER_COMPATIBILITY);
client.executeMethod(psotMethod);
Header[] haeders = psotMethod.getRequestHeaders();
// 获取cookie
Cookie[] cookies = client.getState().getCookies();
String cookiesStr = "";
for (Cookie c : cookies) {
cookiesStr += c.toString() + ";";
}
System.out.println("psotMethod--response:"
+ new String(psotMethod.getResponseBody(), "UTF-8"));
psotMethod.releaseConnection();
// 使用 GET 方法 ，如果服务器需要通过 HTTPS 连接，那只需要将下面 URL 中的 http 换成 https
HttpMethod method = new GetMethod(
"http://api.map.baidu.com/place/v2/search?&q="
+ URLEncoder.encode("饭店", "UTF-8") + "®ion="
+ URLEncoder.encode("北京", "UTF-8")
+ "&output=json&ak=1649c026d0cea10ccf5741348526cb44");
method.setRequestHeader("Cookie", cookiesStr);
method.getParams().setBooleanParameter(
HttpMethodParams.SINGLE_COOKIE_HEADER, true);
client.executeMethod(method);
// 打印 服务器状态
System.out.println("状态：" + method.getStatusLine());
// 打印信息
System.out.println("内容:"
+ new String(method.getResponseBody(), "UTF-8"));
// 关闭连接
method.releaseConnection();
}
}
运行结果：
引用
2014-4-23 17:28:26 org.apache.commons.httpclient.HttpMethodDirector authenticateHost
警告: Required credentials not available for BASIC <any realm>@api.map.baidu.com:80
2014-4-23 17:28:26 org.apache.commons.httpclient.HttpMethodDirector authenticateHost
警告: Preemptive authentication requested but no default credentials available
状态：HTTP/1.0 200 OK
内容:{
"status":0,
"message":"ok",
"results":[
{
"name":"晚秋",
"location":{
"lat":39.963643,
"lng":116.328947
},
"address":"海淀区中关村南大街9号理工科技大厦1楼",
"street_id":"850815e174e4178243e19202",
"uid":"850815e174e4178243e19202"
},
{
"name":"蓝港饭庄",
"location":{
"lat":39.954199,
"lng":116.479906
},
"address":"北京市朝阳区朝阳公园路6号",
"street_id":"50fb64ffe16b1144e9f8536d",
"telephone":"(010)59056668,(010)59056663",
"uid":"50fb64ffe16b1144e9f8536d"
},
{
"name":"上庄水库（北岸韩式饭庄）",
"location":{
"lat":40.10668,
"lng":116.214358
},
"address":"上庄镇上庄水库大桥南岸往西400米",
"street_id":"f633606af167004d0b69d92b",
"telephone":"15801636650",
"uid":"f633606af167004d0b69d92b"
},
{
"name":"北京饭店",
"location":{
"lat":39.915258,
"lng":116.416697
},
"address":"北京市东城区东长安街33号",
"street_id":"b9e5d0b8a5ffcea581a12e38",
"telephone":"(010)65137766",
"uid":"b9e5d0b8a5ffcea581a12e38"
},
{
"name":"翠宫饭店（康乐部）",
"location":{
"lat":39.981772,
"lng":116.338918
},
"address":"海淀区知春路76号",
"street_id":"af1ae56b4fb679124207c14f",
"telephone":"(010)62628888",
"uid":"af1ae56b4fb679124207c14f"
},
{
"name":"北京特产(北京华夏明珠宾馆写字楼东)",
"location":{
"lat":39.901864,
"lng":116.32936
},
"address":"广莲路13号附近",
"street_id":"f1569f0df942537241d63e46",
"telephone":"63274484",
"uid":"f1569f0df942537241d63e46"
},
{
"name":"乔家大院(建外大街店)",
"location":{
"lat":39.911266,
"lng":116.449782
},
"address":"建华南路11号",
"street_id":"923ffd004ae07aaed92f283e",
"telephone":"(010)65661479",
"uid":"923ffd004ae07aaed92f283e"
},
{
"name":"西苑饭店",
"location":{
"lat":39.942936,
"lng":116.33884
},
"address":"北京市海淀区三里河路1号(近北京首都体育馆和北京动物园)",
"street_id":"eb3675036510d10201ec0197",
"telephone":"010-68313388,010-68314577",
"uid":"eb3675036510d10201ec0197"
},
{
"name":"世纪金源大饭店",
"location":{
"lat":39.959377,
"lng":116.287224
},
"address":"北京市北京海淀板井路69号",
"telephone":"(010)88598888,13901257698",
"uid":"1816533449feda1dfa2d619e"
},
{
"name":"Burberry(金茂北京威斯汀大饭店南)",
"location":{
"lat":39.955057,
"lng":116.466512
},
"address":"中国北京市朝阳区新源南路1号都汇天地首层L15号商铺",
"street_id":"dffd631c68351da538221c5a",
"telephone":"(010)84442261",
"uid":"dffd631c68351da538221c5a"
}
]
}