package cn.com.taiji.pos.httpserver;

import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.methods.ByteArrayRequestEntity;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.protocol.Protocol;

public class test {
    public static void main(String[] args) throws HttpException, IOException {
         String soapRequestData = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>";
            soapRequestData+="<ARAMARK_REQUEST>";
            soapRequestData+="<HEAD>";
            soapRequestData+="<VERSION>1.0</VERSION>";
            soapRequestData+="<PASSWORD>123456</PASSWORD>";
            soapRequestData+="<REQUEST_CUS>OL</REQUEST_CUS>";
            soapRequestData+="<REQUEST_TYPE>AC001</REQUEST_TYPE>";
            soapRequestData+="<PROJECT_CODE>KXY001</PROJECT_CODE>";
            soapRequestData+="<REQUEST_UNIQUE>c5ffb67449054b04af9fb052b4412e2a</REQUEST_UNIQUE>";
            soapRequestData+="<REQUEST_CONDITION>";
            soapRequestData+="<CUSTOMER_NO>100101</CUSTOMER_NO>";
            soapRequestData+="<CUPASSWORD>123456</CUPASSWORD>";
            soapRequestData+="</REQUEST_CONDITION>";
            soapRequestData+="</HEAD>";
            soapRequestData+="</ARAMARK_REQUEST>";
                  Protocol myhttps = new Protocol("https", new MySSLProtocolSocketFactory(), 443);
                  Protocol.registerProtocol("https", myhttps);
                  PostMethod postMethod = new PostMethod("http://10.0.46.15:8081/pos/servlet/httpServer.jsp");
                  
                  postMethod.setRequestHeader("Content-type","application/x-www-form-urlencoded;charset=UTF-8");
                  postMethod.setRequestHeader("Connection", "close");
                   
                  // 然后把Soap请求数据添加到PostMethod中
                  ByteArrayRequestEntity re = new ByteArrayRequestEntity(soapRequestData.getBytes());
                  postMethod.setRequestEntity(re);
          
                  // 最后生成一个HttpClient对象，并发出postMethod请求
                  HttpClient httpClient = new HttpClient();
                  int statusCode = httpClient.executeMethod(postMethod);
                  
                  if(statusCode == 200) {
                      System.err.println("调用成功！");
                  }
                  else {
                      System.err.println("调用失败！错误码：" + statusCode);
                  }      
                  BufferedInputStream bis = new BufferedInputStream(postMethod.getResponseBodyAsStream());
                      ByteArrayOutputStream  bop = new ByteArrayOutputStream();
                     int i = -1;
                     while ((i = bis.read()) != -1){
                         bop.write(i);
                     }
                       String result="";
                       result = bop.toString("utf-8");      
                       postMethod.releaseConnection();
                       httpClient.getHttpConnectionManager().closeIdleConnections(0);
    }
}

--------------------------------------参考:http://www.cnblogs.com/lanxuezaipiao/archive/2013/05/10/3072216.html

我们将Web Service发布在Tomcat或者其他应用服务器上后，有很多方法可以调用该Web Service，常用的有两种：

1、通过浏览器HTTP调用，返回规范的XML文件内容
      2、通过客户端程序调用，返回结果可自定义格式

接下来，我利用Eclipse作为开发工具，演示一个Httpclient调用WebService的简单示例
      第一种调用见我的另一篇博文：http://www.cnblogs.com/lanxuezaipiao/archive/2013/05/10/3071584.html
      步骤如下：

    

     准备工作：用到的jar包有： 下载链接（http://download.csdn.net/detail/lanxuezaipiao/5354480）
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第一步：新建Java Project，项目名称为HttpCallWebService

第二步：将所需jar包导入到库中

第三步：编写调用class，这里有两种方式调用，即GET方式和POST方式，由于POST方式较安全，故这里采用POST方式调用；请求数据的构造也有两种方式：静态和动态构造，下面分别介绍这两种方式：

注：这里以E邮宝开放的webservice接口为例调用其中一个API函数，而E邮宝的webservice基于SOAP，故请求数据为SOAP格式，大家可根据自己情况进行修改

静态构造请求数据：

 1 package com.http;

 2

 3 import java.io.ByteArrayInputStream;

 4 import java.io.IOException;

 5 import java.io.InputStream;

 6

 7 import org.apache.commons.httpclient.HttpClient;

 8 import org.apache.commons.httpclient.HttpException;

 9 import org.apache.commons.httpclient.methods.InputStreamRequestEntity;

10 import org.apache.commons.httpclient.methods.PostMethod;

11 import org.apache.commons.httpclient.methods.RequestEntity;

12

13 public class StaticHttpclientCall {

14

15     /**

16      * @param args

17      * @throws IOException

18      * @throws HttpException

19      */

20     public static void main(String[] args) throws HttpException, IOException {

21         // TODO Auto-generated method stub

22

23         String soapRequestData = "<?xml version=\"1.0\" encoding=\"utf-8\"?>"

24                 + "<soap12:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""

25                 + " xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\""

26                 + " xmlns:soap12=\"http://www.w3.org/2003/05/soap-envelope\">"

27                 + " <soap12:Body>"

28                 + " <GetAPACShippingPackage xmlns=\"http://shippingapi.ebay.cn/\">"

29                 + " <GetAPACShippingPackageRequest>"

30                 + " <TrackCode>123</TrackCode>"

31                 + " <Version>123</Version>"

32                 + " <APIDevUserID>123</APIDevUserID>"

33                 + " <APIPassword>123</APIPassword>"

34                 + " <APISellerUserID>123</APISellerUserID>"

35                 + " <MessageID>123</MessageID>"

36                 + " </GetAPACShippingPackageRequest>"

37                 + " </GetAPACShippingPackage>" + "</soap12:Body>"

38                 + " </soap12:Envelope>";

39

40         System.out.println(soapRequestData);

41

42         PostMethod postMethod = new PostMethod(

43                 "http://epacketws.pushauction.net/v3/orderservice.asmx?wsdl");

44

45         // 然后把Soap请求数据添加到PostMethod中

46         byte[] b = soapRequestData.getBytes("utf-8");

47         InputStream is = new ByteArrayInputStream(b, 0, b.length);

48         RequestEntity re = new InputStreamRequestEntity(is, b.length,

49                 "application/soap+xml; charset=utf-8");

50         postMethod.setRequestEntity(re);

51

52         // 最后生成一个HttpClient对象，并发出postMethod请求

53         HttpClient httpClient = new HttpClient();

54         int statusCode = httpClient.executeMethod(postMethod);

55         if(statusCode == 200) {

56             System.out.println("调用成功！");

57             String soapResponseData = postMethod.getResponseBodyAsString();

58             System.out.println(soapResponseData);

59         }

60         else {

61             System.out.println("调用失败！错误码：" + statusCode);

62         }

63

64     }

65

66 }

动态构造数据：

  1 package com.http;

  2

  3 import java.io.ByteArrayInputStream;

  4 import java.io.InputStream;

  5 import java.util.HashMap;

  6 import java.util.Map;

  7 import java.util.Set;

  8

  9 import org.apache.commons.httpclient.HttpClient;

 10 import org.apache.commons.httpclient.methods.InputStreamRequestEntity;

 11 import org.apache.commons.httpclient.methods.PostMethod;

 12 import org.apache.commons.httpclient.methods.RequestEntity;

 13

 14 // 动态构造调用串，灵活性更大

 15 public class DynamicHttpclientCall {

 16

 17     private String namespace;

 18     private String methodName;

 19     private String wsdlLocation;

 20     private String soapResponseData;

 21

 22     public DynamicHttpclientCall(String namespace, String methodName,

 23             String wsdlLocation) {

 24

 25         this.namespace = namespace;

 26         this.methodName = methodName;

 27         this.wsdlLocation = wsdlLocation;

 28     }

 29

 30     private int invoke(Map<String, String> patameterMap) throws Exception {

 31         PostMethod postMethod = new PostMethod(wsdlLocation);

 32         String soapRequestData = buildRequestData(patameterMap);

 33

 34         byte[] bytes = soapRequestData.getBytes("utf-8");

 35         InputStream inputStream = new ByteArrayInputStream(bytes, 0,

 36                 bytes.length);

 37         RequestEntity requestEntity = new InputStreamRequestEntity(inputStream,

 38                 bytes.length, "application/soap+xml; charset=utf-8");

 39         postMethod.setRequestEntity(requestEntity);

 40

 41         HttpClient httpClient = new HttpClient();

 42         int statusCode = httpClient.executeMethod(postMethod);

 43         soapResponseData = postMethod.getResponseBodyAsString();

 44

 45         return statusCode;

 46     }

 47

 48     private String buildRequestData(Map<String, String> patameterMap) {

 49         StringBuffer soapRequestData = new StringBuffer();

 50         soapRequestData.append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");

 51         soapRequestData

 52                 .append("<soap12:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\""

 53                         + " xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\""

 54                         + " xmlns:soap12=\"http://www.w3.org/2003/05/soap-envelope\">");

 55         soapRequestData.append("<soap12:Body>");

 56         soapRequestData.append("<" + methodName + " xmlns=\"" + namespace

 57                 + "\">");

 58         soapRequestData.append("<" + methodName + "Request>");

 59

 60         Set<String> nameSet = patameterMap.keySet();

 61         for (String name : nameSet) {

 62             soapRequestData.append("<" + name + ">" + patameterMap.get(name)

 63                     + "</" + name + ">");

 64         }

 65

 66         soapRequestData.append("</" + methodName + "Request>");

 67         soapRequestData.append("</" + methodName + ">");

 68         soapRequestData.append("</soap12:Body>");

 69         soapRequestData.append("</soap12:Envelope>");

 70

 71         return soapRequestData.toString();

 72     }

 73

 74     /**

 75      * @param args

 76      * @throws Exception

 77      */

 78     public static void main(String[] args) throws Exception {

 79         // TODO Auto-generated method stub

 80

 81         DynamicHttpclientCall dynamicHttpclientCall = new DynamicHttpclientCall(

 82                 "http://shippingapi.ebay.cn/", "GetAPACShippingPackage",

 83                 "http://epacketws.pushauction.net/v3/orderservice.asmx?wsdl");

 84

 85         Map<String, String> patameterMap = new HashMap<String, String>();

 86

 87         patameterMap.put("TrackCode", "123");

 88         patameterMap.put("Version", "123");

 89         patameterMap.put("APIDevUserID", "123");

 90         patameterMap.put("APIPassword", "123");

 91         patameterMap.put("APISellerUserID", "123");

 92         patameterMap.put("MessageID", "123");

 93         patameterMap.put("TrackCode", "123");

 94

 95         String soapRequestData = dynamicHttpclientCall.buildRequestData(patameterMap);

 96         System.out.println(soapRequestData);

 97

 98         int statusCode = dynamicHttpclientCall.invoke(patameterMap);

 99         if(statusCode == 200) {

100             System.out.println("调用成功！");

101             System.out.println(dynamicHttpclientCall.soapResponseData);

102         }

103         else {

104             System.out.println("调用失败！错误码：" + statusCode);

105         }

106

107     }

108

109 }

最终运行结果：

aaarticlea/png;base64,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" alt="" />

可见最终返回的也是xml格式的数据，这里数据未进行格式化显示和处理

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