/*
* Created on 2009-10-12
* Copyright 2009 by www.xfok.net. All Rights Reserved
*
*/
package test;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.PostMethod;
/**
* @author YangHua
* 转载请注明出处：http://www.xfok.net/2009/10/124488.html
*/
public class MyClient {
/**
*的到Http请求结果
* @param url请求地址
* @param parms请求参数
* @return
*/
public byte[] getBody(String url, Map parms) {
byte[] body = null;
//构造HttpClient的实例
HttpClient httpClient = new HttpClient();
//创建post方法的实例
PostMethod postMethod = new PostMethod(url);
//填入各个表单域的值
NameValuePair[] data = new NameValuePair[parms.keySet().size()];
Iterator it = parms.entrySet().iterator();
int i = 0;
while (it.hasNext()) {
Map.Entry entry = (Map.Entry) it.next();
Object key = entry.getKey();
Object value = entry.getValue();
data[i] = new NameValuePair(key.toString(), value.toString());
i++;
}
//将表单的值放入postMethod中
postMethod.setRequestBody(data);
try {
//执行postMethod
int statusCode = httpClient.executeMethod(postMethod); // HttpClient对于要求接受后继服务的请求，象POST和PUT等不能自动处理转发
// 301或者302
if (statusCode == HttpStatus.SC_MOVED_PERMANENTLY
|| statusCode == HttpStatus.SC_MOVED_TEMPORARILY) {
//从头中取出转向的地址
Header locationHeader = postMethod
.getResponseHeader("location");
String location = null;
if (locationHeader != null) {
location = locationHeader.getValue();
System.out.println("The page was redirected to:" + location);
} else {
System.err.println("Location field value is null.");
}
}
body = postMethod.getResponseBody();
} catch (Exception e) {
e.printStackTrace();
}
return body;
}
public static void main(String[] args) {
String url = "http://www.xfok.net";
Map parms = new HashMap();
MyClient client = new MyClient();
String result = new String(client.getBody(url, parms));
System.out.println("-----------"+result);
}
}
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