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2024-09-29 225ca62d67cb6ac70eca7546f0e2f1eb61aa90c4

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826b66	1	package com.hx.util;
C	2
	3	import net.sf.json.JSONException;
	4	import net.sf.json.JSONObject;
	5	import org.apache.commons.io.IOUtils;
	6	import org.bouncycastle.util.encoders.UTF8;
	7	import org.springframework.web.multipart.MultipartFile;
	8
	9	import javax.activation.MimetypesFileTypeMap;
	10	import javax.servlet.ServletInputStream;
	11	import javax.servlet.http.HttpServletRequest;
	12	import java.io.*;
	13	import java.net.HttpURLConnection;
	14	import java.net.URL;
	15	import java.nio.charset.Charset;
	16	import java.nio.charset.CharsetEncoder;
	17	import java.util.Iterator;
	18	import java.util.List;
	19	import java.util.Map;
	20
	21	/**
	22	* http 工具类
	23	*/
	24	public class HttpUtil {
	25
	26	/*multipart/form-data 格式发送数据时各个部分分隔符的前缀,必须为 --/
	27	private static final String BOUNDARY_PREFIX = "--";
	28	/*回车换行,用于一行的结尾/
	29	private static final String LINE_END = "\r\n";
	30
	31	public static String getInputStream(HttpServletRequest request) throws Exception {
	32	ServletInputStream stream = null;
	33	BufferedReader reader = null;
	34	StringBuffer sb = new StringBuffer();
	35	try {
	36	stream = request.getInputStream();
	37	// 获取响应
	38	reader = new BufferedReader(new InputStreamReader(stream));
	39	String line;
	40	while ((line = reader.readLine()) != null) {
	41	sb.append(line);
	42	}
	43	} catch (IOException e) {
	44	//logger.error(e);
	45	throw new RuntimeException("读取返回支付接口数据流出现异常！");
	46	} finally {
	47	reader.close();
	48	}
	49	//logger.info("输入流返回的内容：" + sb.toString());
	50	return sb.toString();
	51	}
	52
	53	public static String post(String requestUrl, String accessToken, String params)
	54	throws Exception {
	55	String contentType = "application/x-www-form-urlencoded";
	56	return HttpUtil.post(requestUrl, accessToken, contentType, params);
	57	}
	58
	59	public static String post(String requestUrl, String accessToken, String contentType, String params)
	60	throws Exception {
	61	String encoding = "UTF-8";
	62	if (requestUrl.contains("nlp")) {
	63	encoding = "GBK";
	64	}
	65	return HttpUtil.post(requestUrl, accessToken, contentType, params, encoding);
	66	}
	67
	68	public static String post(String requestUrl, String accessToken, String contentType, String params, String encoding)
	69	throws Exception {
	70	String url = requestUrl + "?access_token=" + accessToken;
	71	return HttpUtil.postGeneralUrl(url, contentType, params, encoding);
	72	}
	73
	74	public static String postGeneralUrl(String generalUrl, String contentType, String params, String encoding)
	75	throws Exception {
	76	URL url = new URL(generalUrl);
	77	// 打开和URL之间的连接
	78	HttpURLConnection connection = (HttpURLConnection) url.openConnection();
	79	connection.setRequestMethod("POST");
	80	// 设置通用的请求属性
	81	connection.setRequestProperty("Content-Type", contentType);
	82	connection.setRequestProperty("Connection", "Keep-Alive");
	83	connection.setUseCaches(false);
	84	connection.setDoOutput(true);
	85	connection.setDoInput(true);
	86
	87	// 得到请求的输出流对象
	88	DataOutputStream out = new DataOutputStream(connection.getOutputStream());
	89	out.write(params.getBytes(encoding));
	90	out.flush();
	91	out.close();
	92
	93	// 建立实际的连接
	94	connection.connect();
	95	// 获取所有响应头字段
	96	Map<String, List<String>> headers = connection.getHeaderFields();
	97	// 遍历所有的响应头字段
	98	for (String key : headers.keySet()) {
	99	System.err.println(key + "--->" + headers.get(key));
	100	}
	101	// 定义 BufferedReader输入流来读取URL的响应
	102	BufferedReader in = null;
	103	in = new BufferedReader(
	104	new InputStreamReader(connection.getInputStream(), encoding));
	105	String result = "";
	106	String getLine;
	107	while ((getLine = in.readLine()) != null) {
	108	result += getLine;
	109	}
	110	in.close();
	111	System.err.println("result:" + result);
	112	return result;
	113	}
	114
	115	/**
	116	* 带header的post请求
	117	* @param generalUrl
	118	* @param header
	119	* @param params
	120	* @return
	121	* @throws Exception
	122	*/
	123	public static String post(String generalUrl, Map<String, String> header, String params)
	124	throws Exception {
	125	URL url = new URL(generalUrl);
	126	// 打开和URL之间的连接
	127	HttpURLConnection connection = (HttpURLConnection) url.openConnection();
	128	connection.setRequestMethod("POST");
	129	// 设置通用的请求属性
	130	connection.setRequestProperty("Connection", "Keep-Alive");
	131	if(header != null)
	132	{
	133	for(String key : header.keySet())
	134	{
	135	connection.setRequestProperty(key, header.get(key));
	136	}
	137	}
	138
	139	connection.setUseCaches(false);
	140	connection.setDoOutput(true);
	141	connection.setDoInput(true);
	142
	143	// 得到请求的输出流对象
	144	DataOutputStream out = new DataOutputStream(connection.getOutputStream());
	145	out.write(params.getBytes("UTF-8"));
	146	out.flush();
	147	out.close();
	148
	149	// 建立实际的连接
	150	connection.connect();
	151	// 定义 BufferedReader输入流来读取URL的响应
	152	BufferedReader in = null;
	153	in = new BufferedReader(
	154	new InputStreamReader(connection.getInputStream(), "UTF-8"));
	155	String result = "";
	156	String getLine;
	157	while ((getLine = in.readLine()) != null) {
	158	result += getLine;
	159	}
	160	in.close();
	161
	162	return result;
	163	}
	164
	165	/**
	166	* 带header的get请求
	167	* @param generalUrl
	168	* @param header
	169	* @return
	170	* @throws Exception
	171	*/
	172	public static String get(String generalUrl, Map<String, String> header)
	173	throws Exception {
	174	URL url = new URL(generalUrl);
	175	// 打开和URL之间的连接
	176	HttpURLConnection connection = (HttpURLConnection) url.openConnection();
	177	connection.setRequestMethod("GET");
	178	// 设置通用的请求属性
	179	connection.setRequestProperty("Connection", "Keep-Alive");
	180	if(header != null)
	181	{
	182	for(String key : header.keySet())
	183	{
	184	connection.setRequestProperty(key, header.get(key));
	185	}
	186	}
	187
	188	connection.setUseCaches(false);
	189	connection.setDoOutput(true);
	190	connection.setDoInput(true);
	191
	192	// 建立实际的连接
	193	connection.connect();
	194	// 定义 BufferedReader输入流来读取URL的响应
	195	BufferedReader in = null;
	196	in = new BufferedReader(new InputStreamReader(connection.getInputStream(), "UTF-8"));
	197	String result = "";
	198	String getLine;
	199	while ((getLine = in.readLine()) != null) {
	200	result += getLine;
	201	}
	202	in.close();
	203
	204	return result;
	205	}
	206
	207	/ 请求http协议获取信息工具 /
	208	public static JSONObject HttpURLUtil(String url, String data) {
	209	HttpURLConnection con = null;
	210	URL u = null;
	211	String wxMsgXml = null;
	212	JSONObject obj = null;
	213	try {
	214	u = new URL(url);
	215	con = (HttpURLConnection) u.openConnection();
	216	con.setRequestMethod("POST");
	217	con.setDoOutput(true);
	218	con.setDoInput(true);
	219	con.setUseCaches(false);
	220	con.setReadTimeout(5000);
	221	con.setRequestProperty("Charset", "UTF-8");
	222	con.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
	223
	224	if (data != null) {
	225	OutputStream os = con.getOutputStream();
	226	os.write(data.getBytes("utf-8"));
	227	}
	228
	229	if (con.getResponseCode() != 200)
	230	throw new RuntimeException("请求url失败");
	231	// 读取返回内容
	232	wxMsgXml = IOUtils.toString(con.getInputStream(), "utf-8");
	233	obj = JSONObject.fromObject(wxMsgXml);
	234	// //System.out.println("HttpURLUtil:"+wxMsgXml);
	235	} catch (Exception e) {
	236	e.printStackTrace();
	237	obj = new JSONObject();
	238	try {
	239	obj.put("status", 1);
	240	obj.put("errMsg", e.getMessage());
	241	} catch (JSONException e1) {
	242	e1.printStackTrace();
	243	}
	244	} finally {
	245	if (con != null) {
	246	con.disconnect();
	247	}
	248	}
	249	return obj;
	250	}
	251
	252
	253	/ 请求http协议获取信息工具 /
	254	public static JSONObject HttpURLUtilJson(String url, String data) {
	255	HttpURLConnection con = null;
	256	URL u = null;
	257	String wxMsgXml = null;
	258	JSONObject obj = null;
	259	try {
	260	u = new URL(url);
	261	con = (HttpURLConnection) u.openConnection();
	262	con.setRequestMethod("POST");
	263	con.setDoOutput(true);
	264	con.setDoInput(true);
	265	con.setUseCaches(false);
	266	con.setReadTimeout(5000);
	267	con.setRequestProperty("Charset", "UTF-8");
	268	con.setRequestProperty("Content-Type", "application/json");
	269
	270	if (data != null) {
	271	OutputStream os = con.getOutputStream();
	272	os.write(data.getBytes("utf-8"));
	273	}
	274
	275	if (con.getResponseCode() != 200)
	276	throw new RuntimeException("请求url失败");
	277	// 读取返回内容
	278	wxMsgXml = IOUtils.toString(con.getInputStream(), "utf-8");
	279	obj = JSONObject.fromObject(wxMsgXml);
	280	// //System.out.println("HttpURLUtil:"+wxMsgXml);
	281	} catch (Exception e) {
	282	e.printStackTrace();
	283	} finally {
	284	if (con != null) {
	285	con.disconnect();
	286	}
	287	}
	288	return obj;
	289	}
	290
	291	/**
	292	* post 请求：以表单方式提交数据
	293	* <p>
	294	* 由于 multipart/form-data 不是 http 标准内容，而是属于扩展类型，
	295	* 因此需要自己构造数据结构，具体如下：
	296	* <p>
	297	* 1、首先，设置 Content-Type
	298	* <p>
	299	* Content-Type: multipart/form-data; boundary=${bound}
	300	* <p>
	301	* 其中${bound} 是一个占位符，代表我们规定的分割符，可以自己任意规定，
	302	* 但为了避免和正常文本重复了，尽量要使用复杂一点的内容
	303	* <p>
	304	* 2、设置主体内容
	305	* <p>
	306	* --${bound}
	307	* Content-Disposition: form-data; name="userName"
	308	* <p>
	309	* Andy
	310	* --${bound}
	311	* Content-Disposition: form-data; name="file"; filename="测试.excel"
	312	* Content-Type: application/octet-stream
	313	* <p>
	314	* 文件内容
	315	* --${bound}--
	316	* <p>
	317	* 其中${bound}是之前头信息中的分隔符，如果头信息中规定是123，那这里也要是123；
	318	* 可以很容易看到，这个请求提是多个相同部分组成的：
	319	* 每一部分都是以--加分隔符开始的，然后是该部分内容的描述信息，然后一个回车换行，然后是描述信息的具体内容；
	320	* 如果传送的内容是一个文件的话，那么还会包含文件名信息以及文件内容类型。
	321	* 上面第二部分是一个文件体的结构，最后以--分隔符--结尾，表示请求体结束
	322	*
	323	* @param urlStr 请求的url
	324	* @param filePathMap key 参数名，value 文件的路径
	325	* @param keyValues 普通参数的键值对
	326	* @param headers
	327	* @return
	328	* @throws IOException
	329	*/
	330	public static HttpResponse postFormData(String urlStr, Map<String, String> filePathMap, Map<String, Object> keyValues, Map<String, Object> headers) throws IOException {
	331	HttpResponse response;
	332	HttpURLConnection conn = getHttpURLConnection(urlStr, headers);
	333	//分隔符，可以任意设置，这里设置为 MyBoundary+ 时间戳（尽量复杂点，避免和正文重复）
	334	String boundary = "MyBoundary" + System.currentTimeMillis();
	335	//设置 Content-Type 为 multipart/form-data; boundary=${boundary}
	336	conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
	337
	338	//发送参数数据
	339	try (DataOutputStream out = new DataOutputStream(conn.getOutputStream())) {
	340	//发送普通参数
	341	if (keyValues != null && !keyValues.isEmpty()) {
	342	for (Map.Entry<String, Object> entry : keyValues.entrySet()) {
	343	writeSimpleFormField(boundary, out, entry);
	344	}
	345	}
	346	//发送文件类型参数
	347	if (filePathMap != null && !filePathMap.isEmpty()) {
	348	for (Map.Entry<String, String> filePath : filePathMap.entrySet()) {
	349	writeFile(filePath.getKey(), filePath.getValue(), boundary, out);
	350	}
	351	}
	352
	353	//写结尾的分隔符--${boundary}--,然后回车换行
	354	String endStr = BOUNDARY_PREFIX + boundary + BOUNDARY_PREFIX + LINE_END;
	355	out.write(endStr.getBytes());
	356	} catch (Exception e) {
	357	e.printStackTrace();
	358	response = new HttpResponse(500, e.getMessage());
	359	return response;
	360	}
	361
	362	return getHttpResponse(conn);
	363	}
	364
	365	public static HttpResponse postFormData(String urlStr, Map<String, MultipartFile> filePathMap, Map<String, Object> keyValues) throws IOException {
	366	HttpResponse response;
	367	HttpURLConnection conn = getHttpURLConnection(urlStr, null);
	368	//分隔符，可以任意设置，这里设置为 MyBoundary+ 时间戳（尽量复杂点，避免和正文重复）
	369	String boundary = "MyBoundary" + System.currentTimeMillis();
	370	//设置 Content-Type 为 multipart/form-data; boundary=${boundary}
	371	conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
	372
	373	//发送参数数据
	374	try (DataOutputStream out = new DataOutputStream(conn.getOutputStream())) {
	375	//发送普通参数
	376	if (keyValues != null && !keyValues.isEmpty()) {
	377	for (Map.Entry<String, Object> entry : keyValues.entrySet()) {
	378	writeSimpleFormField(boundary, out, entry);
	379	}
	380	}
	381	//发送文件类型参数
	382	if (filePathMap != null && !filePathMap.isEmpty()) {
	383	for (Map.Entry<String, MultipartFile> filePath : filePathMap.entrySet()) {
	384	writeFile(filePath.getKey(), filePath.getValue(), boundary, out);
	385	}
	386	}
	387
	388	//写结尾的分隔符--${boundary}--,然后回车换行
	389	String endStr = BOUNDARY_PREFIX + boundary + BOUNDARY_PREFIX + LINE_END;
	390	out.write(endStr.getBytes());
	391	} catch (Exception e) {
	392	response = new HttpResponse(500, e.getMessage());
	393	return response;
	394	}
	395
	396	return getHttpResponse(conn);
	397	}
	398
	399	/**
	400	* 获得连接对象
	401	*
	402	* @param urlStr
	403	* @param headers
	404	* @return
	405	* @throws IOException
	406	*/
	407	private static HttpURLConnection getHttpURLConnection(String urlStr, Map<String, Object> headers) throws IOException {
	408	URL url = new URL(urlStr);
	409	HttpURLConnection conn = (HttpURLConnection) url.openConnection();
	410	//设置超时时间
	411	conn.setConnectTimeout(50000);
	412	conn.setReadTimeout(50000);
	413	//允许输入流
	414	conn.setDoInput(true);
	415	//允许输出流
	416	conn.setDoOutput(true);
	417	//不允许使用缓存
	418	conn.setUseCaches(false);
	419	//请求方式
	420	conn.setRequestMethod("POST");
	421	//设置编码 utf-8
	422	conn.setRequestProperty("Charset", "UTF-8");
	423	//设置为长连接
	424	conn.setRequestProperty("connection", "keep-alive");
	425
	426	//设置其他自定义 headers
	427	if (headers != null && !headers.isEmpty()) {
	428	for (Map.Entry<String, Object> header : headers.entrySet()) {
	429	conn.setRequestProperty(header.getKey(), header.getValue().toString());
	430	}
	431	}
	432
	433	return conn;
	434	}
	435
	436	private static HttpResponse getHttpResponse(HttpURLConnection conn) {
	437	HttpResponse response;
	438	try (BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()))) {
	439	int responseCode = conn.getResponseCode();
	440	StringBuilder responseContent = new StringBuilder();
	441	String line;
	442	while ((line = reader.readLine()) != null) {
	443	responseContent.append(line);
	444	}
	445	response = new HttpResponse(responseCode, responseContent.toString());
	446	} catch (Exception e) {
	447	e.printStackTrace();
	448	response = new HttpResponse(500, e.getMessage());
	449	}
	450	return response;
	451	}
	452
	453	/**
	454	* 写文件类型的表单参数
	455	*
	456	* @param paramName 参数名
	457	* @param filePath 文件路径
	458	* @param boundary 分隔符
	459	* @param out
	460	* @throws IOException
	461	*/
	462	private static void writeFile(String paramName, String filePath, String boundary,
	463	DataOutputStream out) {
	464	try (BufferedReader fileReader = new BufferedReader(new InputStreamReader(new FileInputStream(filePath)))) {
	465	/**
	466	* 写分隔符--${boundary}，并回车换行
	467	*/
	468	String boundaryStr = BOUNDARY_PREFIX + boundary + LINE_END;
	469	out.write(boundaryStr.getBytes());
	470	/**
	471	* 写描述信息(文件名设置为上传文件的文件名)：
	472	* 写 Content-Disposition: form-data; name="参数名"; filename="文件名"，并回车换行
	473	* 写 Content-Type: application/octet-stream，并两个回车换行
	474	*/
	475	String fileName = new File(filePath).getName();
	476	String contentDispositionStr = String.format("Content-Disposition: form-data; name=\"%s\"; filename=\"%s\"", paramName, fileName) + LINE_END;
	477	out.write(contentDispositionStr.getBytes());
	478	String contentType = "Content-Type: application/octet-stream" + LINE_END + LINE_END;
	479	out.write(contentType.getBytes());
	480
	481	String line;
	482	while ((line = fileReader.readLine()) != null) {
	483	out.write(line.getBytes());
	484	}
	485	//回车换行
	486	out.write(LINE_END.getBytes());
	487	} catch (Exception e) {
	488	e.printStackTrace();
	489	}
	490	}
	491
	492	/**
	493	* 写文件类型的表单参数
	494	*
	495	* @param paramName 参数名
	496	* @param multipartFile 文件
	497	* @param boundary 分隔符
	498	* @param out
	499	* @throws IOException
	500	*/
	501	private static void writeFile(String paramName, MultipartFile multipartFile, String boundary,
	502	DataOutputStream out) {
	503
	504	try (BufferedReader fileReader = new BufferedReader(new InputStreamReader(multipartFile.getInputStream()))) {
	505	/**
	506	* 写分隔符--${boundary}，并回车换行
	507	*/
	508	String boundaryStr = BOUNDARY_PREFIX + boundary + LINE_END;
	509	out.write(boundaryStr.getBytes());
	510	/**
	511	* 写描述信息(文件名设置为上传文件的文件名)：
	512	* 写 Content-Disposition: form-data; name="参数名"; filename="文件名"，并回车换行
	513	* 写 Content-Type: application/octet-stream，并两个回车换行
	514	*/
	515	String fileName = multipartFile.getName();
	516	String contentDispositionStr = String.format("Content-Disposition: form-data; name=\"%s\"; filename=\"%s\"", paramName, fileName) + LINE_END;
	517	out.write(contentDispositionStr.getBytes());
	518	String contentType = "Content-Type: application/octet-stream" + LINE_END + LINE_END;
	519	out.write(contentType.getBytes());
	520
	521	String line;
	522	while ((line = fileReader.readLine()) != null) {
	523	out.write(line.getBytes());
	524	}
	525	//回车换行
	526	out.write(LINE_END.getBytes());
	527	} catch (Exception e) {
	528	e.printStackTrace();
	529	}
	530	}
	531
	532	/**
	533	* 写普通的表单参数
	534	*
	535	* @param boundary 分隔符
	536	* @param out
	537	* @param entry 参数的键值对
	538	* @throws IOException
	539	*/
	540	private static void writeSimpleFormField(String boundary, DataOutputStream out, Map.Entry<String, Object> entry) throws IOException {
	541	//写分隔符--${boundary}，并回车换行
	542	String boundaryStr = BOUNDARY_PREFIX + boundary + LINE_END;
	543	out.write(boundaryStr.getBytes());
	544	//写描述信息：Content-Disposition: form-data; name="参数名"，并两个回车换行
	545	String contentDispositionStr = String.format("Content-Disposition: form-data; name=\"%s\"", entry.getKey()) + LINE_END + LINE_END;
	546	out.write(contentDispositionStr.getBytes());
	547	//写具体内容：参数值，并回车换行
	548	String valueStr = entry.getValue().toString() + LINE_END;
	549	out.write(valueStr.getBytes());
	550	}
	551
	552	public static String formUpload(String urlStr, Map<String, String> textMap,
	553	Map<String, String> fileMap,String contentType) {
	554	String res = "";
	555	HttpURLConnection conn = null;
	556	// boundary就是request头和上传文件内容的分隔符
	557	String BOUNDARY = "---------------------------123821742118716";
	558	try {
	559	URL url = new URL(urlStr);
	560	conn = (HttpURLConnection) url.openConnection();
	561	conn.setConnectTimeout(5000);
	562	conn.setReadTimeout(30000);
	563	conn.setDoOutput(true);
	564	conn.setDoInput(true);
	565	conn.setUseCaches(false);
	566	conn.setRequestMethod("POST");
	567	conn.setRequestProperty("Connection", "Keep-Alive");
	568	// conn.setRequestProperty("User-Agent","Mozilla/5.0 (Windows; U; Windows NT 6.1; zh-CN; rv:1.9.2.6)");
	569	conn.setRequestProperty("Content-Type","multipart/form-data; boundary=" + BOUNDARY);
	570	OutputStream out = new DataOutputStream(conn.getOutputStream());
	571	// text
	572	if (textMap != null) {
	573	StringBuffer strBuf = new StringBuffer();
	574	Iterator iter = textMap.entrySet().iterator();
	575	while (iter.hasNext()) {
	576	Map.Entry entry = (Map.Entry) iter.next();
	577	String inputName = (String) entry.getKey();
	578	String inputValue = (String) entry.getValue();
	579	if (inputValue == null) {
	580	continue;
	581	}
	582	strBuf.append("\r\n").append("--").append(BOUNDARY).append("\r\n");
	583	strBuf.append("Content-Disposition: form-data; name=\"" + inputName + "\"\r\n\r\n");
	584	strBuf.append(inputValue);
	585	}
	586	out.write(strBuf.toString().getBytes());
	587	}
	588	// file
	589	if (fileMap != null) {
	590	Iterator iter = fileMap.entrySet().iterator();
	591	while (iter.hasNext()) {
	592	Map.Entry entry = (Map.Entry) iter.next();
	593	String inputName = (String) entry.getKey();
	594	String inputValue = (String) entry.getValue();
	595	if (inputValue == null) {
	596	continue;
	597	}
	598	File file = new File(inputValue);
	599	String filename = file.getName();
	600
	601	//没有传入文件类型，同时根据文件获取不到类型，默认采用application/octet-stream
	602	contentType = new MimetypesFileTypeMap().getContentType(file);
	603	//contentType非空采用filename匹配默认的图片类型
	604	if(!"".equals(contentType)){
	605	if (filename.endsWith(".png")) {
	606	contentType = "image/png";
	607	}else if (filename.endsWith(".jpg") \|\| filename.endsWith(".jpeg") \|\| filename.endsWith(".jpe")) {
	608	contentType = "image/jpeg";
	609	}else if (filename.endsWith(".gif")) {
	610	contentType = "image/gif";
	611	}else if (filename.endsWith(".ico")) {
	612	contentType = "image/image/x-icon";
	613	}
	614	}
	615	if (contentType == null \|\| "".equals(contentType)) {
	616	contentType = "application/octet-stream";
	617	}
	618	StringBuffer strBuf = new StringBuffer();
	619	strBuf.append("\r\n").append("--").append(BOUNDARY).append("\r\n");
	620	strBuf.append("Content-Disposition: form-data; name=\"" + inputName + "\"; filename=\"" + filename + "\"\r\n");
	621	strBuf.append("Content-Type:" + contentType + "\r\n\r\n");
	622	out.write(strBuf.toString().getBytes());
	623	DataInputStream in = new DataInputStream(new FileInputStream(file));
	624	int bytes = 0;
	625	byte[] bufferOut = new byte[1024];
	626	while ((bytes = in.read(bufferOut)) != -1) {
	627	out.write(bufferOut, 0, bytes);
	628	}
	629	in.close();
	630	}
	631	}
	632	byte[] endData = ("\r\n--" + BOUNDARY + "--\r\n").getBytes();
	633	out.write(endData);
	634	out.flush();
	635	out.close();
	636	// 读取返回数据
	637	StringBuffer strBuf = new StringBuffer();
	638	BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
	639	String line = null;
	640	while ((line = reader.readLine()) != null) {
	641	strBuf.append(line).append("\n");
	642	}
	643	res = strBuf.toString();
	644	reader.close();
	645	reader = null;
	646	} catch (Exception e) {
	647	System.out.println("发送POST请求出错。" + urlStr);
	648	e.printStackTrace();
	649	} finally {
	650	if (conn != null) {
	651	conn.disconnect();
	652	conn = null;
	653	}
	654	}
	655	return res;
	656	}
	657
	658	}