JavaMail接收邮件，并解析邮件（用于解决一些线上问题）

JavaMail相关必须包

1、接收邮件解析邮件

package com.xxxx.error.process;

import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Properties;

import javax.mail.BodyPart;
import javax.mail.Flags;
import javax.mail.Folder;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.Part;
import javax.mail.Session;
import javax.mail.Store;
import javax.mail.URLName;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.MimeUtility;

public class ReciveMail {
	private MimeMessage mimeMessage = null;
	private String saveAttachPath = ""; // 附件下载后的存放目录
	private StringBuffer bodytext = new StringBuffer();// 存放邮件内容
	private String dateformat = "yy-MM-dd HH:mm"; // 默认的日前显示格式

	public ReciveMail(MimeMessage mimeMessage) {
		this.mimeMessage = mimeMessage;
	}

	public void setMimeMessage(MimeMessage mimeMessage) {
		this.mimeMessage = mimeMessage;
	}

	/**
	 * 获得发件人的地址和姓名
	 */
	public String getFrom() throws Exception {
		InternetAddress address[] = (InternetAddress[]) mimeMessage.getFrom();
		String from = address[0].getAddress();
		if (from == null)
			from = "";
		String personal = address[0].getPersonal();
		if (personal == null)
			personal = "";
		String fromaddr = personal + "<" + from + ">";
		return fromaddr;
	}

	/**
	 * 获得邮件的收件人，抄送，和密送的地址和姓名，根据所传递的参数的不同 "to"----收件人 "cc"---抄送人地址 "bcc"---密送人地址
	 */
	public String getMailAddress(String type) throws Exception {
		String mailaddr = "";
		String addtype = type.toUpperCase();
		InternetAddress[] address = null;
		if (addtype.equals("TO") || addtype.equals("CC") || addtype.equals("BCC")) {
			if (addtype.equals("TO")) {
				address = (InternetAddress[]) mimeMessage.getRecipients(Message.RecipientType.TO);
			} else if (addtype.equals("CC")) {
				address = (InternetAddress[]) mimeMessage.getRecipients(Message.RecipientType.CC);
			} else {
				address = (InternetAddress[]) mimeMessage.getRecipients(Message.RecipientType.BCC);
			}
			if (address != null) {
				for (int i = 0; i < address.length; i++) {
					String email = address[i].getAddress();
					if (email == null)
						email = "";
					else {
						email = MimeUtility.decodeText(email);
					}
					String personal = address[i].getPersonal();
					if (personal == null)
						personal = "";
					else {
						personal = MimeUtility.decodeText(personal);
					}
					String compositeto = personal + "<" + email + ">";
					mailaddr += "," + compositeto;
				}
				mailaddr = mailaddr.substring(1);
			}
		} else {
			throw new Exception("Error emailaddr type!");
		}
		return mailaddr;
	}

	/**
	 * 获得邮件主题
	 */
	public String getSubject() throws MessagingException {
		String subject = "";
		try {
			subject = MimeUtility.decodeText(mimeMessage.getSubject());
			if (subject == null)
				subject = "";
		} catch (Exception exce) {
		}
		return subject;
	}

	/**
	 * 获得邮件发送日期
	 */
	public String getSentDate() throws Exception {
		Date sentdate = mimeMessage.getSentDate();
		SimpleDateFormat format = new SimpleDateFormat(dateformat);
		return format.format(sentdate);
	}

	/**
	 * 获得邮件正文内容
	 */
	public String getBodyText() {
		return bodytext.toString();
	}

	/**
	 * 解析邮件，把得到的邮件内容保存到一个StringBuffer对象中，解析邮件 主要是根据MimeType类型的不同执行不同的操作，一步一步的解析
	 */
	public void getMailContent(Part part) throws Exception {
		String contenttype = part.getContentType();
		int nameindex = contenttype.indexOf("name");
		boolean conname = false;
		if (nameindex != -1)
			conname = true;
		System.out.println("CONTENTTYPE: " + contenttype);
		if (part.isMimeType("text/plain") && !conname) {
			bodytext.append((String) part.getContent());
		} else if (part.isMimeType("text/html") && !conname) {
			bodytext.append((String) part.getContent());
		} else if (part.isMimeType("multipart/*")) {
			Multipart multipart = (Multipart) part.getContent();
			int counts = multipart.getCount();
			for (int i = 0; i < counts; i++) {
				getMailContent(multipart.getBodyPart(i));
			}
		} else if (part.isMimeType("message/rfc822")) {
			getMailContent((Part) part.getContent());
		} else {
		}
	}

	/**
	 * 判断此邮件是否需要回执，如果需要回执返回"true",否则返回"false"
	 */
	public boolean getReplySign() throws MessagingException {
		boolean replysign = false;
		String needreply[] = mimeMessage.getHeader("Disposition-Notification-To");
		if (needreply != null) {
			replysign = true;
		}
		return replysign;
	}

	/**
	 * 获得此邮件的Message-ID
	 */
	public String getMessageId() throws MessagingException {
		return mimeMessage.getMessageID();
	}

	/**
	 * 【判断此邮件是否已读，如果未读返回返回false,反之返回true】
	 */
	public boolean isNew() throws MessagingException {
		boolean isnew = false;
		Flags flags = ((Message) mimeMessage).getFlags();
		Flags.Flag[] flag = flags.getSystemFlags();
		System.out.println("flags's length: " + flag.length);
		for (int i = 0; i < flag.length; i++) {
			if (flag[i] == Flags.Flag.SEEN) {
				isnew = true;
				System.out.println("seen Message  .");
				break;
			}
		}
		return isnew;
	}

	/**
	 * 判断此邮件是否包含附件
	 */
	public boolean isContainAttach(Part part) throws Exception {
		boolean attachflag = false;
		if (part.isMimeType("multipart/*")) {
			Multipart mp = (Multipart) part.getContent();
			for (int i = 0; i < mp.getCount(); i++) {
				BodyPart mpart = mp.getBodyPart(i);
				String disposition = mpart.getDisposition();
				if ((disposition != null) && ((disposition.equals(Part.ATTACHMENT)) || (disposition.equals(Part.INLINE))))
					attachflag = true;
				else if (mpart.isMimeType("multipart/*")) {
					attachflag = isContainAttach((Part) mpart);
				} else {
					String contype = mpart.getContentType();
					if (contype.toLowerCase().indexOf("application") != -1)
						attachflag = true;
					if (contype.toLowerCase().indexOf("name") != -1)
						attachflag = true;
				}
			}
		} else if (part.isMimeType("message/rfc822")) {
			attachflag = isContainAttach((Part) part.getContent());
		}
		return attachflag;
	}

	/**
	 * 【保存附件】
	 */
	public void saveAttachMent(Part part) throws Exception {
		String fileName = "";
		if (part.isMimeType("multipart/*")) {
			Multipart mp = (Multipart) part.getContent();
			for (int i = 0; i < mp.getCount(); i++) {
				BodyPart mpart = mp.getBodyPart(i);
				String disposition = mpart.getDisposition();
				if ((disposition != null) && ((disposition.equals(Part.ATTACHMENT)) || (disposition.equals(Part.INLINE)))) {
					fileName = mpart.getFileName();
					if (fileName.toLowerCase().indexOf("gb2312") != -1) {
						fileName = MimeUtility.decodeText(fileName);
					}
					saveFile(fileName, mpart.getInputStream());
				} else if (mpart.isMimeType("multipart/*")) {
					saveAttachMent(mpart);
				} else {
					fileName = mpart.getFileName();
					if ((fileName != null) && (fileName.toLowerCase().indexOf("GB2312") != -1)) {
						fileName = MimeUtility.decodeText(fileName);
						saveFile(fileName, mpart.getInputStream());
					}
				}
			}
		} else if (part.isMimeType("message/rfc822")) {
			saveAttachMent((Part) part.getContent());
		}
	}

	/**
	 * 【设置附件存放路径】
	 */
	public void setAttachPath(String attachpath) {
		this.saveAttachPath = attachpath;
	}

	/**
	 * 【设置日期显示格式】
	 */
	public void setDateFormat(String format) throws Exception {
		this.dateformat = format;
	}

	/**
	 * 【获得附件存放路径】
	 */
	public String getAttachPath() {
		return saveAttachPath;
	}

	/**
	 * 【真正的保存附件到指定目录里】
	 */
	private void saveFile(String fileName, InputStream in) throws Exception {
		String osName = System.getProperty("os.name");
		String storedir = getAttachPath();
		String separator = "";
		if (osName == null)
			osName = "";
		if (osName.toLowerCase().indexOf("win") != -1) {
			separator = "\\";
			if (storedir == null || storedir.equals(""))
				storedir = "c:\\tmp";
		} else {
			separator = "/";
			storedir = "/tmp";
		}
		File storefile = new File(storedir + separator + fileName);
		System.out.println("storefile's path: " + storefile.toString());

		BufferedOutputStream bos = null;
		BufferedInputStream bis = null;
		try {
			bos = new BufferedOutputStream(new FileOutputStream(storefile));
			bis = new BufferedInputStream(in);
			int c;
			while ((c = bis.read()) != -1) {
				bos.write(c);
				bos.flush();
			}
		} catch (Exception exception) {
			exception.printStackTrace();
			throw new Exception("文件保存失败!");
		} finally {
			bos.close();
			bis.close();
		}
	}
	
	private static void excuteErrorRequest(String msgContent) {
		String msgBodyText = msgContent.trim();
		String paramter = msgBodyText.substring(msgBodyText.indexOf("
参数:
")+12, msgBodyText.indexOf("
"));
		System.out.println("--->> 请求发起....");
		String result = sendHttpRequest(paramter);
		System.out.println("--->> 返回结果：" + result);
	}
	
	private static String sendHttpRequest(String paramter) {
		String url = "http://xxx.xxxxx.com/api/router/rest.do?" + paramter;
		System.out.println("--->> " + url);
		return HttpsUtil.requestGet(url);
	}
	
	/**
	 * PraseMimeMessage类测试
	 */
	public static void main(String args[]) throws Exception {

		Properties props = System.getProperties();
		props.put("mail.smtp.host", "mail.lvmama.com");
		props.put("mail.smtp.auth", "false");
		Session session = Session.getDefaultInstance(props, null);
		URLName urln = new URLName("pop3", "mail.lvmama.com", 110, null, "[email protected]", "mima");
		Store store = session.getStore(urln);
		store.connect();
		Folder folder = store.getFolder("INBOX");
		folder.open(Folder.READ_ONLY);
		Message message[] = folder.getMessages();
		System.out.println("您有邮件: " + message.length + "封");
		System.out.println("Ary you ready?");
		Thread.sleep(1000);
		System.out.println("3");
		Thread.sleep(1000);
		System.out.println("2");
		Thread.sleep(1000);
		System.out.println("1");
		Thread.sleep(1000);
		System.out.println("GO>>>>>");
		ReciveMail pmm = null;
		for (int i = 0; i < message.length; i++) {
			System.out.println("==============================第" + (i + 1) + "封===========================");
			pmm = new ReciveMail((MimeMessage) message[i]);
			System.out.println("subject: " + pmm.getSubject());
			System.out.println("sentdate: " + pmm.getSentDate());
			System.out.println("replysign: " + pmm.getReplySign());
			System.out.println("hasRead: " + pmm.isNew());
			System.out.println("containAttachment: " + pmm.isContainAttach((Part) message[i]));
			System.out.println("form: " + pmm.getFrom());
			System.out.println("to: " + pmm.getMailAddress("to"));
			System.out.println("cc: " + pmm.getMailAddress("cc"));
			System.out.println("bcc: " + pmm.getMailAddress("bcc"));
			pmm.setDateFormat("yy年MM月dd日 HH:mm");
			System.out.println("send date: " + pmm.getSentDate());
			System.out.println("Message " + i + " Message-ID: " + pmm.getMessageId());
			// 获得邮件内容===============
			pmm.getMailContent((Part) message[i]);
			System.out.println("Message " + i + " bodycontent: \r\n" + pmm.getBodyText());
			if("".equals(pmm.getFrom().trim())) {
				String msgBodyText = pmm.getBodyText();
				excuteErrorRequest(msgBodyText);
			}
			pmm.setAttachPath("c:\\ddd");
			pmm.saveAttachMent((Part) message[i]);
		}
	}
}

2、发送HTTP请求工具

package com.xxxx.error.process;


import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URLEncoder;
import java.nio.charset.Charset;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;

import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.ParseException;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
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.conn.scheme.Scheme;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.entity.StringEntity;
import org.apache.http.entity.mime.HttpMultipartMode;
import org.apache.http.entity.mime.MultipartEntity;
import org.apache.http.entity.mime.content.FileBody;
import org.apache.http.entity.mime.content.StringBody;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.util.EntityUtils;

public class HttpsUtil {
	private static final Log LOG = LogFactory.getLog(HttpsUtil.class);
	
	public static final String CHARACTER_ENCODING = "UTF-8";
	public static final String PATH_SIGN = "/";
	public static final String METHOD_POST = "POST";
	public static final String METHOD_GET = "GET";
	public static final String CONTENT_TYPE = "Content-Type";
	
	public static final int CONNECTION_TIMEOUT = 10000;
	public static final int SO_TIMEOUT = 30000;
	public static final int SO_TIMEOUT_60S = 60000;
	
	public static final int BUFFER = 1024;
	
	/**
	 * HttpResponse包装类
	 */
	public static class HttpResponseWrapper {
		private HttpResponse httpResponse;
		private HttpClient httpClient;
		
		public HttpResponseWrapper(HttpClient httpClient, HttpResponse httpResponse) {
			this.httpClient = httpClient;
			this.httpResponse = httpResponse;
		}
		
		public HttpResponseWrapper(HttpClient httpClient) {
			this.httpClient = httpClient;
		}
		public HttpResponse getHttpResponse() {
			return httpResponse;
		}
		public void setHttpResponse(HttpResponse httpResponse) {
			this.httpResponse = httpResponse;
		}
		
		/**
		 * 获得流类型的响应
		 */
		public InputStream getResponseStream() throws IllegalStateException, IOException {
			return httpResponse.getEntity().getContent();
		}
		
		/**
		 * 获得字符串类型的响应
		 */
		public String getResponseString(String responseCharacter) throws ParseException, IOException {
			HttpEntity entity = getEntity();
			String responseStr = EntityUtils.toString(entity, responseCharacter);
			if (entity.getContentType() == null) {
				responseStr = new String(responseStr.getBytes("iso-8859-1"), responseCharacter);
			}
			EntityUtils.consume(entity);
			return responseStr;
		}
		
		public String getResponseString() throws ParseException, IOException {
			return getResponseString(CHARACTER_ENCODING);
		}
		
		/**
		 * 获得响应状态码
		 */
		public int getStatusCode() {
			return httpResponse.getStatusLine().getStatusCode();
		}
		
		/**
		 * 获得响应状态码并释放资源
		 */
		public int getStatusCodeAndClose() {
			close();
			return getStatusCode();
		}
		
		public HttpEntity getEntity() {
			return httpResponse.getEntity();
		}
		
		/**
		 * 释放资源
		 */
		public void close() {
			httpClient.getConnectionManager().shutdown();
		}
	}
	
	/**
	 * POST方式提交上传文件请求
	 */
	public static HttpResponseWrapper requestPostUpload(String url, Map requestFiles, Map requestParas, String requestCharacter) throws ClientProtocolException, IOException {
		HttpClient client = null;
		if (url.startsWith("https")) {
			client =createHttpsClient();
		}else{
			client =createHttpClient();
		}
		HttpPost httpPost = new HttpPost(url);
		MultipartEntity multipartEntity = new MultipartEntity(HttpMultipartMode.BROWSER_COMPATIBLE, null, Charset.forName(requestCharacter));
		if (requestFiles == null || requestFiles.size() == 0) {
			return null;
		}
		for (Map.Entry entry : requestFiles.entrySet()) {
			multipartEntity.addPart(entry.getKey(), new FileBody(entry.getValue(), "application/octet-stream", requestCharacter));
		}
		if (requestParas != null && requestParas.size() > 0) {
			// 对key进行排序
			List keys = new ArrayList(requestParas.keySet());
			Collections.sort(keys);
			for (String key : keys) {
				multipartEntity.addPart(key, new StringBody(requestParas.get(key), Charset.forName(requestCharacter)));
			}
		}
		httpPost.setEntity(multipartEntity);
		HttpResponse httpResponse = client.execute(httpPost);
		return new HttpResponseWrapper(client, httpResponse);
	}
	/**
	 * POST方式提交上传文件请求
	 */
	public static HttpResponseWrapper requestPostUpload(String url, Map requestFiles, Map requestParas) throws ClientProtocolException, IOException {
		return requestPostUpload(url, requestFiles, requestParas, CHARACTER_ENCODING);
	}
	/**
	 * POST方式提交表单数据，返回响应对象
	 */
	public static HttpResponseWrapper requestPostFormResponse(String url, Map requestParas, String requestCharacter) throws ClientProtocolException, IOException {
		HttpClient client = null;
		if (url.startsWith("https")) {
			client =createHttpsClient();
		}else{
			client =createHttpClient();
		}
		HttpPost httpPost = new HttpPost(url);
		List formParams = initNameValuePair(requestParas);
		httpPost.setEntity(new UrlEncodedFormEntity(formParams, requestCharacter));
		HttpResponse httpResponse = client.execute(httpPost); //执行POST请求
		return new HttpResponseWrapper(client, httpResponse);
	}
	
	/**
	 * 自定义操作表单提交的数据
	 * @return
	 */
	public static HttpResponseWrapper requestPostFormResponse2(String url, Map requestParas,int timeOut)throws IOException, HttpException{
		HttpClient client = null;
		if (url.startsWith("https")) {
			client =createHttpsClient(CONNECTION_TIMEOUT,timeOut*1000);
		}else{
			client =createHttpClient(CONNECTION_TIMEOUT,timeOut*1000);
		}
		HttpPost httpPost = new HttpPost(url);
		List formParams = initNameValuePair(requestParas);
		httpPost.setEntity(new HttpParamEncodeEntity(formParams, CHARACTER_ENCODING));
		HttpResponse httpResponse = client.execute(httpPost); //执行POST请求
		return new HttpResponseWrapper(client, httpResponse);
	}
	
	/**
	 * POST方式提交表单数据，返回响应对象，utf8编码
	 */
	public static HttpResponseWrapper requestPostFormResponse(String url, Map requestParas) throws ClientProtocolException, IOException {
		return requestPostFormResponse(url, requestParas, CHARACTER_ENCODING);
	}
	/**
	 * POST方式提交表单数据，不会自动重定向
	 */
	public static String requestPostForm(String url, Map requestParas, String requestCharacter, String responseCharacter) {
		HttpResponseWrapper httpResponseWrapper = null;
		try {
			httpResponseWrapper = requestPostFormResponse(url, requestParas, requestCharacter);
			return httpResponseWrapper.getResponseString(responseCharacter);
		} catch (Exception e) {
			LOG.error(e);
		} finally {
			httpResponseWrapper.close();
		}
		return null;

	}
	/**
	 * POST方式提交表单数据，不会自动重定向
	 */
	public static String requestPostForm(String url, Map requestParas) {
		return requestPostForm(url, requestParas, CHARACTER_ENCODING, CHARACTER_ENCODING);
	}
	
	
	public static HttpResponseWrapper requestGetResponse(String url) throws ClientProtocolException, IOException {
		HttpClient client = null;
		if (url.startsWith("https")) {
			client =createHttpsClient();
		}else{
			client =createHttpClient();
		}
		HttpGet httpGet = new HttpGet(url);
		HttpResponse httpResponse = client.execute(httpGet);
		return new HttpResponseWrapper(client, httpResponse);
	}
	
	public static HttpResponseWrapper requestGetResponse(String url,String xForWardedFor) throws ClientProtocolException, IOException {
		HttpClient client = null;
		if (url.startsWith("https")) {
			client =createHttpsClient();
		}else{
			client =createHttpClient();
		}
		HttpGet httpGet = new HttpGet(url);
		if(StringUtils.isNotEmpty(xForWardedFor)){
			httpGet.addHeader("X-Forwarded-For", xForWardedFor);
		}
		HttpResponse httpResponse = client.execute(httpGet);
		return new HttpResponseWrapper(client, httpResponse);
	}
	/**
	 * GET方式提交URL请求，会自动重定向
	 */
	public static String requestGet(String url, String responseCharacter,String xForWardedFor) {
		HttpResponseWrapper httpResponseWrapper = null;
		try {
			httpResponseWrapper = requestGetResponse(url,xForWardedFor);
			return httpResponseWrapper.getResponseString(responseCharacter);
		} catch (Exception e) {
			LOG.error(e);
		} finally {
			if(httpResponseWrapper!=null){
				httpResponseWrapper.close();
			}
		}
		return null;
	}
	
	/**
	 * GET方式提交URL请求，会自动重定向
	 */
	public static String requestGet(String url) {
		return requestGet(url, CHARACTER_ENCODING,null);
	}
	
	/** 
	* get请求 
	* @param url 请求url(eg:https://api.lvmama.com/user/getUserInfo) 
	* @param params 参数 
	* @return 响应信息 
	*/ 
	public static String requestGet(String url,Map params) { 
		StringBuilder urlBuilder = new StringBuilder(url); 
		urlBuilder.append("?").append(mapToUrl(params)); 
		return requestGet(urlBuilder.toString(), CHARACTER_ENCODING,null); 
	} 

	/** 
	* 将Map中的数据组装成url 
	* @param params 
	* @return 
	*/ 
	public static String mapToUrl(Map params) {
		StringBuilder sb = new StringBuilder();
		try {
			boolean isFirst = true;
			for (String key : params.keySet()) {
				String value = (String) params.get(key);
				if (isFirst) {
					sb.append(key + "=" + URLEncoder.encode(value, "utf-8"));
					isFirst = false;
				} else {
					if (value != null) {
						sb.append("&" + key + "="
								+ URLEncoder.encode(value, "utf-8"));
					} else {
						sb.append("&" + key + "=");
					}
				}
			}
		} catch (Exception e) {
			LOG.error(e);
		}
		return sb.toString();
	}
	
	/**
	 * GET方式提交URL请求，会自动重定向
	 */
	public static String proxyRequestGet(String url,String xForWardedFor) {
		return requestGet(url, CHARACTER_ENCODING,xForWardedFor);
	}
	
	/**
	 * POST方式提交非表单数据，返回响应对象
	 */
	public static HttpResponseWrapper requestPostData(String url, String data, String contentType, String requestCharacter,int connectionTimeout,int soTimeout) throws ClientProtocolException, IOException {
		HttpClient client = null;
		if (url.startsWith("https")) {
			client =createHttpsClient(connectionTimeout,soTimeout);
		}else{
			client =createHttpClient(connectionTimeout,soTimeout);
		}
		HttpPost httpPost = new HttpPost(url);
		httpPost.setHeader(CONTENT_TYPE, contentType);
		httpPost.setEntity(new StringEntity(data, requestCharacter));
		HttpResponse httpResponse = client.execute(httpPost);
		return new HttpResponseWrapper(client, httpResponse);
	}
	
	/**
	 * POST方式提交非表单数据，返回响应对象
	 */
	public static HttpResponseWrapper requestPostData(String url, String data, String contentType, String requestCharacter) throws ClientProtocolException, IOException {
		return requestPostData(url,data,contentType,requestCharacter,CONNECTION_TIMEOUT,SO_TIMEOUT);
	}
	/**
	 * POST非表单方式提交XML数据
	 */
	public static String requestPostXml(String url, String xmlData, String requestCharacter, String responseCharacter) {
		HttpResponseWrapper httpResponseWrapper = null;
		try {
			String contentType = "text/xml; charset=" + requestCharacter;
			httpResponseWrapper = requestPostData(url, xmlData, contentType, requestCharacter);
			return httpResponseWrapper.getResponseString(responseCharacter);
		} catch (Exception e) {
			LOG.error(e);
		} finally {
			httpResponseWrapper.close();
		}
		return null;
	}
	/**
	 * POST非表单方式提交XML数据
	 */
	public static String requestPostXml(String url, String xmlData) {
		return requestPostXml(url, xmlData, CHARACTER_ENCODING, CHARACTER_ENCODING);
	}
	
	public static HttpClient createHttpClient(int connectionTimeout,int soTimeout) {
		HttpClient httpClient = new DefaultHttpClient();
        HttpParams params = httpClient.getParams();
		HttpConnectionParams.setConnectionTimeout(params, connectionTimeout);
		HttpConnectionParams.setSoTimeout(params, soTimeout);
		return httpClient;
	}
	
	public static HttpClient createHttpClient() {
    		return createHttpClient(CONNECTION_TIMEOUT,SO_TIMEOUT);
	}
	
	public static HttpClient createHttpsClient(int connectionTimeout,int soTimeout)  {
        try { 
        	HttpClient httpClient = new DefaultHttpClient(); //创建默认的httpClient实例 
            HttpParams params = httpClient.getParams();
    		HttpConnectionParams.setConnectionTimeout(params, connectionTimeout);
    		HttpConnectionParams.setSoTimeout(params, soTimeout);
            //TLS1.0与SSL3.0基本上没有太大的差别，可粗略理解为TLS是SSL的继承者，但它们使用的是相同的SSLContext 
            SSLContext ctx = SSLContext.getInstance("TLS"); 
            //使用TrustManager来初始化该上下文，TrustManager只是被SSL的Socket所使用 
            ctx.init(null, new TrustManager[]{new TrustAnyTrustManager()}, null); 
            //创建SSLSocketFactory 
            SSLSocketFactory socketFactory = new SSLSocketFactory(ctx); 
            //通过SchemeRegistry将SSLSocketFactory注册到我们的HttpClient上 
            httpClient.getConnectionManager().getSchemeRegistry().register(new Scheme("https", 443, socketFactory)); 
            return httpClient;
        } catch (Exception e) {
			LOG.error(e);
        } 
    	return null;
    }
	
    public static HttpClient createHttpsClient()  {
		return createHttpsClient(CONNECTION_TIMEOUT,SO_TIMEOUT);
    }
    
    
    public static List initNameValuePair(Map params) {
    	List formParams = new ArrayList();
    	if (params != null && params.size() > 0) {
    		// 对key进行排序
    		List keys = new ArrayList(params.keySet());
    		Collections.sort(keys);
	    	for (String key : keys) {
	    		//LOG.info(key+" = " +params.get(key));
	    		formParams.add(new BasicNameValuePair(key, params.get(key))); 
			}
    	}
    	return formParams;
    }
    
    /**
     * 通过httpclient下载的文件直接转为字节数组
     * @param path
     * @return
     */
    public static byte[] getHttpClientResponseByteArray(String path){
    	org.apache.commons.httpclient.HttpClient client = new org.apache.commons.httpclient.HttpClient();
    	GetMethod httpGet = new GetMethod(path);
    	
    	byte[] byteArrays = new byte[0];
    	try{
    	client.executeMethod(httpGet);
    	InputStream in = httpGet.getResponseBodyAsStream();
		ByteArrayOutputStream bos = new ByteArrayOutputStream();
		
	   
	    byte[] b = new byte[BUFFER];
	    int len = 0;
		while((len=in.read(b))!= -1){
			bos.write(b, 0, len);
		}			
		byteArrays =  bos.toByteArray();
		in.close();
		bos.close();
	    }catch (Exception e){
			LOG.error(e);
		}finally{
			httpGet.releaseConnection();
		}    	
    	return byteArrays;
    }
	
	private static class TrustAnyTrustManager implements X509TrustManager {

		public void checkClientTrusted(X509Certificate[] chain, String authType) throws CertificateException {
		}

		public void checkServerTrusted(X509Certificate[] chain, String authType) throws CertificateException {
		}

		public X509Certificate[] getAcceptedIssuers() {
			return new X509Certificate[] {};
		}
	}
	
	/******************** 已下为客户端新加  2014-05-29*****************/
	/**
	 * 客户端调用 
	 * POST方式提交表单数据，不会自动重定向
	 * @param url                 请求url
	 * @param requestParas        请求参数  
	 * @param xForWardedFor       请求ip（统计客户端登陆次数）
	 * 
	 */
	public static String requestPostForm(String url, Map requestParas,String xForWardedFor) {
		return requestPostForm(url, requestParas, xForWardedFor,CHARACTER_ENCODING, CHARACTER_ENCODING);
	}
	
	/**
	 * 客户端登陆调用
	 * @param url                 请求url
	 * @param requestParas        请求参数  
	 * @param xForWardedFor       请求ip（统计客户端登陆次数）
	 * @param requestCharacter    请求编码
	 * @param responseCharacter   响应编码 
	 * @return
	 */
	public static String requestPostForm(String url, Map requestParas,String xForWardedFor, String requestCharacter, String responseCharacter) {
		HttpResponseWrapper httpResponseWrapper = null;
		try {
			httpResponseWrapper = requestPostFormResponse(url, requestParas, requestCharacter,xForWardedFor);
			return httpResponseWrapper.getResponseString(responseCharacter);
		} catch (Exception e) {
			LOG.error(e);
		} finally {
			httpResponseWrapper.close();
		}
		return null;
	}
	
	/**
	 * POST方式提交表单数据，返回响应对象
	 * @param url                 请求url
	 * @param requestParas        请求参数  
	 * @param xForWardedFor       请求ip（统计客户端登陆次数）
	 */
	public static HttpResponseWrapper requestPostFormResponse(String url, Map requestParas, String requestCharacter,String xForWardedFor) throws ClientProtocolException, IOException {
		HttpClient client = null;
		if (url.startsWith("https")) {
			client =createHttpsClient();
		}else{
			client =createHttpClient();
		}
		HttpPost httpPost = new HttpPost(url);
		if(StringUtils.isNotEmpty(xForWardedFor)){
			httpPost.addHeader("X-Forwarded-For", xForWardedFor);
		}
		List formParams = initNameValuePair(requestParas);
		httpPost.setEntity(new UrlEncodedFormEntity(formParams, requestCharacter));
		HttpResponse httpResponse = client.execute(httpPost); //执行POST请求
		return new HttpResponseWrapper(client, httpResponse);
	}
	
	public static HttpClient createHttpClient(Map httpParams) {
		HttpClient httpClient = new DefaultHttpClient();
        HttpParams params = httpClient.getParams();
        if (params != null && httpParams != null) {
            for(String key : httpParams.keySet()) {
            	params.setParameter(key, httpParams.get(key));
            }
        }
		return httpClient;
	}
	
	public static HttpClient createHttpsClient(Map httpParams)  {
        try { 
        	HttpClient httpClient = new DefaultHttpClient(); //创建默认的httpClient实例 
            HttpParams params = httpClient.getParams();
            if (params != null && httpParams != null) {
                for(String key : httpParams.keySet()) {
                	params.setParameter(key, httpParams.get(key));
                }
            }
            //TLS1.0与SSL3.0基本上没有太大的差别，可粗略理解为TLS是SSL的继承者，但它们使用的是相同的SSLContext 
            SSLContext ctx = SSLContext.getInstance("TLS"); 
            //使用TrustManager来初始化该上下文，TrustManager只是被SSL的Socket所使用 
            ctx.init(null, new TrustManager[]{new TrustAnyTrustManager()}, null); 
            //创建SSLSocketFactory 
            SSLSocketFactory socketFactory = new SSLSocketFactory(ctx); 
            //通过SchemeRegistry将SSLSocketFactory注册到我们的HttpClient上 
            httpClient.getConnectionManager().getSchemeRegistry().register(new Scheme("https", 443, socketFactory)); 
            return httpClient;
        } catch (Exception e) {
			LOG.error(e);
        } 
    	return null;
    }
	
	/**
	 *
	 * @autor: heyuxing  2014-11-14 下午8:02:50
	 * @param url 请求url
	 * @param params 请求参数
	 * @param httpParams 设置HttpClient.getParams()中的参数
	 * @return    
	 * @return String
	 */
	public static String requestGet(String url, Map params, Map httpParams)  {
		return requestGet(url, params, httpParams, null);
	}
	
	/**
	 *
	 * @param url 请求url
	 * @param params 请求参数
	 * @param httpParams 设置HttpClient.getParams()中的参数
	 * @param responseCharacter 处理应答response字符串使用的字符集
	 * @return    
	 * @return String
	 */
	public static String requestGet(String url, Map params, Map httpParams, String responseCharacter)  {
		StringBuilder urlBuilder = new StringBuilder(url); 
		urlBuilder.append("?").append(mapToUrl(params)); 
		
		HttpResponseWrapper httpResponseWrapper = null;
		try {
			HttpClient client = null;
			if (url.startsWith("https")) {
				client =createHttpsClient(httpParams);
			}else{
				client =createHttpClient(httpParams);
			}
			HttpGet httpGet = new HttpGet(urlBuilder.toString());
			HttpResponse httpResponse = client.execute(httpGet);
			
			if(StringUtils.isEmpty(responseCharacter)) {
				responseCharacter = CHARACTER_ENCODING;
			}
			return new HttpResponseWrapper(client, httpResponse).getResponseString(responseCharacter);
		} catch (Exception e) {
			LOG.error(e);
		} finally {
			if(httpResponseWrapper!=null){
				httpResponseWrapper.close();
			}
		}
		return null;
	}
}

3、用到一个实体

package com.lvtu.error.process;


import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.List;

import org.apache.http.NameValuePair;
import org.apache.http.client.utils.URLEncodedUtils;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.springframework.util.Assert;

/**
 * 
 * @ClassName: HttpParamEncodeEntity 
 * @Description: 请求参数编码
 *
 */
public class HttpParamEncodeEntity extends StringEntity{

	public HttpParamEncodeEntity(List formParams, String charset) {
		super(ParamEncodeUtil.format(formParams,charset), ContentType.create(URLEncodedUtils.CONTENT_TYPE, charset));
	}
	
	
	private static class ParamEncodeUtil{
		
		static String format(List formParams,String requestCharacter){
			StringBuffer sb =new StringBuffer();
			Assert.notEmpty(formParams);
			for(NameValuePair nv:formParams){
				if(sb.length()>0){
					sb.append("&");
				}
				sb.append(encodeString(nv.getName(),requestCharacter));
				sb.append("=");
				sb.append(encodeString(nv.getValue(),requestCharacter));
			}
			
			return  sb.toString();
		}
		
		private static String encodeString(String str,String requestCharacter){
			try {
				return URLEncoder.encode(str, requestCharacter);
			} catch (UnsupportedEncodingException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
				return "";
			}
		}
		
	}

}