~chenjiahe/hx_common.git

E1ED922C1E9526DD63272D7EC5C6CB77

2021-01-20 a1dba41efa841aef8fb9f2bf2a179095ef77a9cd

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5c5945	1	package com.hx.util;
E	2
	3	import net.sf.json.JSONException;
	4	import net.sf.json.JSONObject;
	5	import org.apache.commons.io.IOUtils;
a1dba4	6	import org.bouncycastle.util.encoders.UTF8;
5c5945	7	import org.springframework.web.multipart.MultipartFile;
E	8
	9	import javax.activation.MimetypesFileTypeMap;
8bc3c9	10	import javax.servlet.ServletInputStream;
C	11	import javax.servlet.http.HttpServletRequest;
5c5945	12	import java.io.*;
E	13	import java.net.HttpURLConnection;
	14	import java.net.URL;
a1dba4	15	import java.nio.charset.Charset;
E	16	import java.nio.charset.CharsetEncoder;
5c5945	17	import java.util.Iterator;
E	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
8bc3c9	31	public static String getInputStream(HttpServletRequest request) throws Exception {
C	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	}
5c5945	52
E	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
a1dba4	115	/**
E	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
5c5945	165	/ 请求http协议获取信息工具 /
E	166	public static JSONObject HttpURLUtil(String url, String data) {
	167	HttpURLConnection con = null;
	168	URL u = null;
	169	String wxMsgXml = null;
	170	JSONObject obj = null;
	171	try {
	172	u = new URL(url);
	173	con = (HttpURLConnection) u.openConnection();
	174	con.setRequestMethod("POST");
	175	con.setDoOutput(true);
	176	con.setDoInput(true);
	177	con.setUseCaches(false);
	178	con.setReadTimeout(5000);
	179	con.setRequestProperty("Charset", "UTF-8");
	180	con.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
	181
	182	if (data != null) {
	183	OutputStream os = con.getOutputStream();
	184	os.write(data.getBytes("utf-8"));
	185	}
	186
	187	if (con.getResponseCode() != 200)
	188	throw new RuntimeException("请求url失败");
	189	// 读取返回内容
	190	wxMsgXml = IOUtils.toString(con.getInputStream(), "utf-8");
	191	obj = JSONObject.fromObject(wxMsgXml);
	192	// //System.out.println("HttpURLUtil:"+wxMsgXml);
	193	} catch (Exception e) {
	194	e.printStackTrace();
	195	obj = new JSONObject();
	196	try {
	197	obj.put("status", 1);
	198	obj.put("errMsg", e.getMessage());
	199	} catch (JSONException e1) {
	200	e1.printStackTrace();
	201	}
	202	} finally {
	203	if (con != null) {
	204	con.disconnect();
	205	}
	206	}
	207	return obj;
	208	}
	209
	210
	211	/ 请求http协议获取信息工具 /
	212	public static JSONObject HttpURLUtilJson(String url, String data) {
	213	HttpURLConnection con = null;
	214	URL u = null;
	215	String wxMsgXml = null;
	216	JSONObject obj = null;
	217	try {
	218	u = new URL(url);
	219	con = (HttpURLConnection) u.openConnection();
	220	con.setRequestMethod("POST");
	221	con.setDoOutput(true);
	222	con.setDoInput(true);
	223	con.setUseCaches(false);
	224	con.setReadTimeout(5000);
	225	con.setRequestProperty("Charset", "UTF-8");
	226	con.setRequestProperty("Content-Type", "application/json");
	227
	228	if (data != null) {
	229	OutputStream os = con.getOutputStream();
	230	os.write(data.getBytes("utf-8"));
	231	}
	232
	233	if (con.getResponseCode() != 200)
	234	throw new RuntimeException("请求url失败");
	235	// 读取返回内容
	236	wxMsgXml = IOUtils.toString(con.getInputStream(), "utf-8");
	237	obj = JSONObject.fromObject(wxMsgXml);
	238	// //System.out.println("HttpURLUtil:"+wxMsgXml);
	239	} catch (Exception e) {
	240	e.printStackTrace();
	241	} finally {
	242	if (con != null) {
	243	con.disconnect();
	244	}
	245	}
	246	return obj;
	247	}
	248
	249	/**
	250	* post 请求：以表单方式提交数据
	251	* <p>
	252	* 由于 multipart/form-data 不是 http 标准内容，而是属于扩展类型，
	253	* 因此需要自己构造数据结构，具体如下：
	254	* <p>
	255	* 1、首先，设置 Content-Type
	256	* <p>
	257	* Content-Type: multipart/form-data; boundary=${bound}
	258	* <p>
	259	* 其中${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，
	260	* 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
	261	* <p>
	262	* 2、设置主体内容
	263	* <p>
	264	* --${bound}
	265	* Content-Disposition: form-data; name="userName"
	266	* <p>
	267	* Andy
	268	* --${bound}
	269	* Content-Disposition: form-data; name="file"; filename="测试.excel"
	270	* Content-Type: application/octet-stream
	271	* <p>
	272	* 文件内容
	273	* --${bound}--
	274	* <p>
	275	* 其中${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；
	276	* 可以很容易看到，这个请求提是多个相同部分组成的：
	277	* 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；
	278	* 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。
	279	* 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
	280	*
	281	* @param urlStr 请求的url
	282	* @param filePathMap key 参数名，value 文件的路径
	283	* @param keyValues 普通参数的键值对
	284	* @param headers
	285	* @return
	286	* @throws IOException
	287	*/
	288	public static HttpResponse postFormData(String urlStr, Map<String, String> filePathMap, Map<String, Object> keyValues, Map<String, Object> headers) throws IOException {
	289	HttpResponse response;
	290	HttpURLConnection conn = getHttpURLConnection(urlStr, headers);
	291	//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）
	292	String boundary = "MyBoundary" + System.currentTimeMillis();
	293	//设置 Content-Type 为 multipart/form-data; boundary=${boundary}
	294	conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
	295
	296	//发送参数数据
	297	try (DataOutputStream out = new DataOutputStream(conn.getOutputStream())) {
	298	//发送普通参数
	299	if (keyValues != null && !keyValues.isEmpty()) {
	300	for (Map.Entry<String, Object> entry : keyValues.entrySet()) {
	301	writeSimpleFormField(boundary, out, entry);
	302	}
	303	}
	304	//发送文件类型参数
	305	if (filePathMap != null && !filePathMap.isEmpty()) {
	306	for (Map.Entry<String, String> filePath : filePathMap.entrySet()) {
	307	writeFile(filePath.getKey(), filePath.getValue(), boundary, out);
	308	}
	309	}
	310
	311	//写结尾的分隔符--${boundary}--,然后回车换行
	312	String endStr = BOUNDARY_PREFIX + boundary + BOUNDARY_PREFIX + LINE_END;
	313	out.write(endStr.getBytes());
	314	} catch (Exception e) {
	315	e.printStackTrace();
	316	response = new HttpResponse(500, e.getMessage());
	317	return response;
	318	}
	319
	320	return getHttpResponse(conn);
	321	}
	322
	323	public static HttpResponse postFormData(String urlStr, Map<String, MultipartFile> filePathMap, Map<String, Object> keyValues) throws IOException {
	324	HttpResponse response;
	325	HttpURLConnection conn = getHttpURLConnection(urlStr, null);
	326	//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）
	327	String boundary = "MyBoundary" + System.currentTimeMillis();
	328	//设置 Content-Type 为 multipart/form-data; boundary=${boundary}
	329	conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
	330
	331	//发送参数数据
	332	try (DataOutputStream out = new DataOutputStream(conn.getOutputStream())) {
	333	//发送普通参数
	334	if (keyValues != null && !keyValues.isEmpty()) {
	335	for (Map.Entry<String, Object> entry : keyValues.entrySet()) {
	336	writeSimpleFormField(boundary, out, entry);
	337	}
	338	}
	339	//发送文件类型参数
	340	if (filePathMap != null && !filePathMap.isEmpty()) {
	341	for (Map.Entry<String, MultipartFile> filePath : filePathMap.entrySet()) {
	342	writeFile(filePath.getKey(), filePath.getValue(), boundary, out);
	343	}
	344	}
	345
	346	//写结尾的分隔符--${boundary}--,然后回车换行
	347	String endStr = BOUNDARY_PREFIX + boundary + BOUNDARY_PREFIX + LINE_END;
	348	out.write(endStr.getBytes());
	349	} catch (Exception e) {
	350	response = new HttpResponse(500, e.getMessage());
	351	return response;
	352	}
	353
	354	return getHttpResponse(conn);
	355	}
	356
	357	/**
	358	* 获得连接对象
	359	*
	360	* @param urlStr
	361	* @param headers
	362	* @return
	363	* @throws IOException
	364	*/
	365	private static HttpURLConnection getHttpURLConnection(String urlStr, Map<String, Object> headers) throws IOException {
	366	URL url = new URL(urlStr);
	367	HttpURLConnection conn = (HttpURLConnection) url.openConnection();
	368	//设置超时时间
	369	conn.setConnectTimeout(50000);
	370	conn.setReadTimeout(50000);
	371	//允许输入流
	372	conn.setDoInput(true);
	373	//允许输出流
	374	conn.setDoOutput(true);
	375	//不允许使用缓存
	376	conn.setUseCaches(false);
	377	//请求方式
	378	conn.setRequestMethod("POST");
	379	//设置编码 utf-8
	380	conn.setRequestProperty("Charset", "UTF-8");
	381	//设置为长连接
	382	conn.setRequestProperty("connection", "keep-alive");
	383
	384	//设置其他自定义 headers
	385	if (headers != null && !headers.isEmpty()) {
	386	for (Map.Entry<String, Object> header : headers.entrySet()) {
	387	conn.setRequestProperty(header.getKey(), header.getValue().toString());
	388	}
	389	}
	390
	391	return conn;
	392	}
	393
	394	private static HttpResponse getHttpResponse(HttpURLConnection conn) {
	395	HttpResponse response;
	396	try (BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()))) {
	397	int responseCode = conn.getResponseCode();
	398	StringBuilder responseContent = new StringBuilder();
	399	String line;
	400	while ((line = reader.readLine()) != null) {
	401	responseContent.append(line);
	402	}
	403	response = new HttpResponse(responseCode, responseContent.toString());
	404	} catch (Exception e) {
	405	e.printStackTrace();
	406	response = new HttpResponse(500, e.getMessage());
	407	}
	408	return response;
	409	}
	410
	411	/**
	412	* 写文件类型的表单参数
	413	*
	414	* @param paramName 参数名
	415	* @param filePath 文件路径
	416	* @param boundary 分隔符
	417	* @param out
	418	* @throws IOException
	419	*/
	420	private static void writeFile(String paramName, String filePath, String boundary,
	421	DataOutputStream out) {
	422	try (BufferedReader fileReader = new BufferedReader(new InputStreamReader(new FileInputStream(filePath)))) {
	423	/**
	424	* 写分隔符--${boundary}，并回车换行
	425	*/
	426	String boundaryStr = BOUNDARY_PREFIX + boundary + LINE_END;
	427	out.write(boundaryStr.getBytes());
	428	/**
	429	* 写描述信息(文件名设置为上传文件的文件名)：
	430	* 写 Content-Disposition: form-data; name="参数名"; filename="文件名"，并回车换行
	431	* 写 Content-Type: application/octet-stream，并两个回车换行
	432	*/
	433	String fileName = new File(filePath).getName();
	434	String contentDispositionStr = String.format("Content-Disposition: form-data; name=\"%s\"; filename=\"%s\"", paramName, fileName) + LINE_END;
	435	out.write(contentDispositionStr.getBytes());
	436	String contentType = "Content-Type: application/octet-stream" + LINE_END + LINE_END;
	437	out.write(contentType.getBytes());
	438
	439	String line;
	440	while ((line = fileReader.readLine()) != null) {
	441	out.write(line.getBytes());
	442	}
	443	//回车换行
	444	out.write(LINE_END.getBytes());
	445	} catch (Exception e) {
	446	e.printStackTrace();
	447	}
	448	}
	449
	450	/**
	451	* 写文件类型的表单参数
	452	*
	453	* @param paramName 参数名
	454	* @param multipartFile 文件
	455	* @param boundary 分隔符
	456	* @param out
	457	* @throws IOException
	458	*/
	459	private static void writeFile(String paramName, MultipartFile multipartFile, String boundary,
	460	DataOutputStream out) {
	461
	462	try (BufferedReader fileReader = new BufferedReader(new InputStreamReader(multipartFile.getInputStream()))) {
	463	/**
	464	* 写分隔符--${boundary}，并回车换行
	465	*/
	466	String boundaryStr = BOUNDARY_PREFIX + boundary + LINE_END;
	467	out.write(boundaryStr.getBytes());
	468	/**
	469	* 写描述信息(文件名设置为上传文件的文件名)：
	470	* 写 Content-Disposition: form-data; name="参数名"; filename="文件名"，并回车换行
	471	* 写 Content-Type: application/octet-stream，并两个回车换行
	472	*/
	473	String fileName = multipartFile.getName();
	474	String contentDispositionStr = String.format("Content-Disposition: form-data; name=\"%s\"; filename=\"%s\"", paramName, fileName) + LINE_END;
	475	out.write(contentDispositionStr.getBytes());
	476	String contentType = "Content-Type: application/octet-stream" + LINE_END + LINE_END;
	477	out.write(contentType.getBytes());
	478
	479	String line;
	480	while ((line = fileReader.readLine()) != null) {
	481	out.write(line.getBytes());
	482	}
	483	//回车换行
	484	out.write(LINE_END.getBytes());
	485	} catch (Exception e) {
	486	e.printStackTrace();
	487	}
	488	}
	489
	490	/**
	491	* 写普通的表单参数
	492	*
	493	* @param boundary 分隔符
	494	* @param out
	495	* @param entry 参数的键值对
	496	* @throws IOException
	497	*/
	498	private static void writeSimpleFormField(String boundary, DataOutputStream out, Map.Entry<String, Object> entry) throws IOException {
	499	//写分隔符--${boundary}，并回车换行
	500	String boundaryStr = BOUNDARY_PREFIX + boundary + LINE_END;
	501	out.write(boundaryStr.getBytes());
	502	//写描述信息：Content-Disposition: form-data; name="参数名"，并两个回车换行
	503	String contentDispositionStr = String.format("Content-Disposition: form-data; name=\"%s\"", entry.getKey()) + LINE_END + LINE_END;
	504	out.write(contentDispositionStr.getBytes());
	505	//写具体内容：参数值，并回车换行
	506	String valueStr = entry.getValue().toString() + LINE_END;
	507	out.write(valueStr.getBytes());
	508	}
	509
	510	public static String formUpload(String urlStr, Map<String, String> textMap,
	511	Map<String, String> fileMap,String contentType) {
	512	String res = "";
	513	HttpURLConnection conn = null;
	514	// boundary就是request头和上传文件内容的分隔符
	515	String BOUNDARY = "---------------------------123821742118716";
	516	try {
	517	URL url = new URL(urlStr);
	518	conn = (HttpURLConnection) url.openConnection();
	519	conn.setConnectTimeout(5000);
	520	conn.setReadTimeout(30000);
	521	conn.setDoOutput(true);
	522	conn.setDoInput(true);
	523	conn.setUseCaches(false);
	524	conn.setRequestMethod("POST");
	525	conn.setRequestProperty("Connection", "Keep-Alive");
	526	// conn.setRequestProperty("User-Agent","Mozilla/5.0 (Windows; U; Windows NT 6.1; zh-CN; rv:1.9.2.6)");
	527	conn.setRequestProperty("Content-Type","multipart/form-data; boundary=" + BOUNDARY);
	528	OutputStream out = new DataOutputStream(conn.getOutputStream());
	529	// text
	530	if (textMap != null) {
	531	StringBuffer strBuf = new StringBuffer();
	532	Iterator iter = textMap.entrySet().iterator();
	533	while (iter.hasNext()) {
	534	Map.Entry entry = (Map.Entry) iter.next();
	535	String inputName = (String) entry.getKey();
	536	String inputValue = (String) entry.getValue();
	537	if (inputValue == null) {
	538	continue;
	539	}
	540	strBuf.append("\r\n").append("--").append(BOUNDARY).append("\r\n");
	541	strBuf.append("Content-Disposition: form-data; name=\"" + inputName + "\"\r\n\r\n");
	542	strBuf.append(inputValue);
	543	}
	544	out.write(strBuf.toString().getBytes());
	545	}
	546	// file
	547	if (fileMap != null) {
	548	Iterator iter = fileMap.entrySet().iterator();
	549	while (iter.hasNext()) {
	550	Map.Entry entry = (Map.Entry) iter.next();
	551	String inputName = (String) entry.getKey();
	552	String inputValue = (String) entry.getValue();
	553	if (inputValue == null) {
	554	continue;
	555	}
	556	File file = new File(inputValue);
	557	String filename = file.getName();
	558
	559	//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
	560	contentType = new MimetypesFileTypeMap().getContentType(file);
	561	//contentType非空采用filename匹配默认的图片类型
	562	if(!"".equals(contentType)){
	563	if (filename.endsWith(".png")) {
	564	contentType = "image/png";
	565	}else if (filename.endsWith(".jpg") \|\| filename.endsWith(".jpeg") \|\| filename.endsWith(".jpe")) {
	566	contentType = "image/jpeg";
	567	}else if (filename.endsWith(".gif")) {
	568	contentType = "image/gif";
	569	}else if (filename.endsWith(".ico")) {
	570	contentType = "image/image/x-icon";
	571	}
	572	}
	573	if (contentType == null \|\| "".equals(contentType)) {
	574	contentType = "application/octet-stream";
	575	}
	576	StringBuffer strBuf = new StringBuffer();
	577	strBuf.append("\r\n").append("--").append(BOUNDARY).append("\r\n");
	578	strBuf.append("Content-Disposition: form-data; name=\"" + inputName + "\"; filename=\"" + filename + "\"\r\n");
	579	strBuf.append("Content-Type:" + contentType + "\r\n\r\n");
	580	out.write(strBuf.toString().getBytes());
	581	DataInputStream in = new DataInputStream(new FileInputStream(file));
	582	int bytes = 0;
	583	byte[] bufferOut = new byte[1024];
	584	while ((bytes = in.read(bufferOut)) != -1) {
	585	out.write(bufferOut, 0, bytes);
	586	}
	587	in.close();
	588	}
	589	}
	590	byte[] endData = ("\r\n--" + BOUNDARY + "--\r\n").getBytes();
	591	out.write(endData);
	592	out.flush();
	593	out.close();
	594	// 读取返回数据
	595	StringBuffer strBuf = new StringBuffer();
	596	BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
	597	String line = null;
	598	while ((line = reader.readLine()) != null) {
	599	strBuf.append(line).append("\n");
	600	}
	601	res = strBuf.toString();
	602	reader.close();
	603	reader = null;
	604	} catch (Exception e) {
	605	System.out.println("发送POST请求出错。" + urlStr);
	606	e.printStackTrace();
	607	} finally {
	608	if (conn != null) {
	609	conn.disconnect();
	610	conn = null;
	611	}
	612	}
	613	return res;
	614	}
	615	}