~chenjiahe/hx_common.git

ChenJiaHe

2020-12-02 f0ed6f16d980c2110ea508b3ef446b0adbfc2864

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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;
	6	import org.springframework.web.multipart.MultipartFile;
	7
	8	import javax.activation.MimetypesFileTypeMap;
	9	import java.io.*;
	10	import java.net.HttpURLConnection;
	11	import java.net.URL;
	12	import java.util.Iterator;
	13	import java.util.List;
	14	import java.util.Map;
	15
	16	/**
	17	* http 工具类
	18	*/
	19	public class HttpUtil {
	20
	21	/*multipart/form-data 格式发送数据时各个部分分隔符的前缀,必须为 --/
	22	private static final String BOUNDARY_PREFIX = "--";
	23	/*回车换行,用于一行的结尾/
	24	private static final String LINE_END = "\r\n";
	25
	26
	27	public static String post(String requestUrl, String accessToken, String params)
	28	throws Exception {
	29	String contentType = "application/x-www-form-urlencoded";
	30	return HttpUtil.post(requestUrl, accessToken, contentType, params);
	31	}
	32
	33	public static String post(String requestUrl, String accessToken, String contentType, String params)
	34	throws Exception {
	35	String encoding = "UTF-8";
	36	if (requestUrl.contains("nlp")) {
	37	encoding = "GBK";
	38	}
	39	return HttpUtil.post(requestUrl, accessToken, contentType, params, encoding);
	40	}
	41
	42	public static String post(String requestUrl, String accessToken, String contentType, String params, String encoding)
	43	throws Exception {
	44	String url = requestUrl + "?access_token=" + accessToken;
	45	return HttpUtil.postGeneralUrl(url, contentType, params, encoding);
	46	}
	47
	48	public static String postGeneralUrl(String generalUrl, String contentType, String params, String encoding)
	49	throws Exception {
	50	URL url = new URL(generalUrl);
	51	// 打开和URL之间的连接
	52	HttpURLConnection connection = (HttpURLConnection) url.openConnection();
	53	connection.setRequestMethod("POST");
	54	// 设置通用的请求属性
	55	connection.setRequestProperty("Content-Type", contentType);
	56	connection.setRequestProperty("Connection", "Keep-Alive");
	57	connection.setUseCaches(false);
	58	connection.setDoOutput(true);
	59	connection.setDoInput(true);
	60
	61	// 得到请求的输出流对象
	62	DataOutputStream out = new DataOutputStream(connection.getOutputStream());
	63	out.write(params.getBytes(encoding));
	64	out.flush();
	65	out.close();
	66
	67	// 建立实际的连接
	68	connection.connect();
	69	// 获取所有响应头字段
	70	Map<String, List<String>> headers = connection.getHeaderFields();
	71	// 遍历所有的响应头字段
	72	for (String key : headers.keySet()) {
	73	System.err.println(key + "--->" + headers.get(key));
	74	}
	75	// 定义 BufferedReader输入流来读取URL的响应
	76	BufferedReader in = null;
	77	in = new BufferedReader(
	78	new InputStreamReader(connection.getInputStream(), encoding));
	79	String result = "";
	80	String getLine;
	81	while ((getLine = in.readLine()) != null) {
	82	result += getLine;
	83	}
	84	in.close();
	85	System.err.println("result:" + result);
	86	return result;
	87	}
	88
	89	/ 请求http协议获取信息工具 /
	90	public static JSONObject HttpURLUtil(String url, String data) {
	91	HttpURLConnection con = null;
	92	URL u = null;
	93	String wxMsgXml = null;
	94	JSONObject obj = null;
	95	try {
	96	u = new URL(url);
	97	con = (HttpURLConnection) u.openConnection();
	98	con.setRequestMethod("POST");
	99	con.setDoOutput(true);
	100	con.setDoInput(true);
	101	con.setUseCaches(false);
	102	con.setReadTimeout(5000);
	103	con.setRequestProperty("Charset", "UTF-8");
	104	con.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
	105
	106	if (data != null) {
	107	OutputStream os = con.getOutputStream();
	108	os.write(data.getBytes("utf-8"));
	109	}
	110
	111	if (con.getResponseCode() != 200)
	112	throw new RuntimeException("请求url失败");
	113	// 读取返回内容
	114	wxMsgXml = IOUtils.toString(con.getInputStream(), "utf-8");
	115	obj = JSONObject.fromObject(wxMsgXml);
	116	// //System.out.println("HttpURLUtil:"+wxMsgXml);
	117	} catch (Exception e) {
	118	e.printStackTrace();
	119	obj = new JSONObject();
	120	try {
	121	obj.put("status", 1);
	122	obj.put("errMsg", e.getMessage());
	123	} catch (JSONException e1) {
	124	e1.printStackTrace();
	125	}
	126	} finally {
	127	if (con != null) {
	128	con.disconnect();
	129	}
	130	}
	131	return obj;
	132	}
	133
	134
	135	/ 请求http协议获取信息工具 /
	136	public static JSONObject HttpURLUtilJson(String url, String data) {
	137	HttpURLConnection con = null;
	138	URL u = null;
	139	String wxMsgXml = null;
	140	JSONObject obj = null;
	141	try {
	142	u = new URL(url);
	143	con = (HttpURLConnection) u.openConnection();
	144	con.setRequestMethod("POST");
	145	con.setDoOutput(true);
	146	con.setDoInput(true);
	147	con.setUseCaches(false);
	148	con.setReadTimeout(5000);
	149	con.setRequestProperty("Charset", "UTF-8");
	150	con.setRequestProperty("Content-Type", "application/json");
	151
	152	if (data != null) {
	153	OutputStream os = con.getOutputStream();
	154	os.write(data.getBytes("utf-8"));
	155	}
	156
	157	if (con.getResponseCode() != 200)
	158	throw new RuntimeException("请求url失败");
	159	// 读取返回内容
	160	wxMsgXml = IOUtils.toString(con.getInputStream(), "utf-8");
	161	obj = JSONObject.fromObject(wxMsgXml);
	162	// //System.out.println("HttpURLUtil:"+wxMsgXml);
	163	} catch (Exception e) {
	164	e.printStackTrace();
	165	obj = new JSONObject();
	166	try {
	167	obj.put("status", 1);
	168	obj.put("errMsg", e.getMessage());
	169	} catch (JSONException e1) {
	170	e1.printStackTrace();
	171	}
	172	} finally {
	173	if (con != null) {
	174	con.disconnect();
	175	}
	176	}
	177	return obj;
	178	}
	179
	180	/**
	181	* post 请求：以表单方式提交数据
	182	* <p>
	183	* 由于 multipart/form-data 不是 http 标准内容，而是属于扩展类型，
	184	* 因此需要自己构造数据结构，具体如下：
	185	* <p>
	186	* 1、首先，设置 Content-Type
	187	* <p>
	188	* Content-Type: multipart/form-data; boundary=${bound}
	189	* <p>
	190	* 其中${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，
	191	* 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
	192	* <p>
	193	* 2、设置主体内容
	194	* <p>
	195	* --${bound}
	196	* Content-Disposition: form-data; name="userName"
	197	* <p>
	198	* Andy
	199	* --${bound}
	200	* Content-Disposition: form-data; name="file"; filename="测试.excel"
	201	* Content-Type: application/octet-stream
	202	* <p>
	203	* 文件内容
	204	* --${bound}--
	205	* <p>
	206	* 其中${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；
	207	* 可以很容易看到，这个请求提是多个相同部分组成的：
	208	* 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；
	209	* 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。
	210	* 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
	211	*
	212	* @param urlStr 请求的url
	213	* @param filePathMap key 参数名，value 文件的路径
	214	* @param keyValues 普通参数的键值对
	215	* @param headers
	216	* @return
	217	* @throws IOException
	218	*/
	219	public static HttpResponse postFormData(String urlStr, Map<String, String> filePathMap, Map<String, Object> keyValues, Map<String, Object> headers) throws IOException {
	220	HttpResponse response;
	221	HttpURLConnection conn = getHttpURLConnection(urlStr, headers);
	222	//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）
	223	String boundary = "MyBoundary" + System.currentTimeMillis();
	224	//设置 Content-Type 为 multipart/form-data; boundary=${boundary}
	225	conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
	226
	227	//发送参数数据
	228	try (DataOutputStream out = new DataOutputStream(conn.getOutputStream())) {
	229	//发送普通参数
	230	if (keyValues != null && !keyValues.isEmpty()) {
	231	for (Map.Entry<String, Object> entry : keyValues.entrySet()) {
	232	writeSimpleFormField(boundary, out, entry);
	233	}
	234	}
	235	//发送文件类型参数
	236	if (filePathMap != null && !filePathMap.isEmpty()) {
	237	for (Map.Entry<String, String> filePath : filePathMap.entrySet()) {
	238	writeFile(filePath.getKey(), filePath.getValue(), boundary, out);
	239	}
	240	}
	241
	242	//写结尾的分隔符--${boundary}--,然后回车换行
	243	String endStr = BOUNDARY_PREFIX + boundary + BOUNDARY_PREFIX + LINE_END;
	244	out.write(endStr.getBytes());
	245	} catch (Exception e) {
	246	e.printStackTrace();
	247	response = new HttpResponse(500, e.getMessage());
	248	return response;
	249	}
	250
	251	return getHttpResponse(conn);
	252	}
	253
	254	public static HttpResponse postFormData(String urlStr, Map<String, MultipartFile> filePathMap, Map<String, Object> keyValues) throws IOException {
	255	HttpResponse response;
	256	HttpURLConnection conn = getHttpURLConnection(urlStr, null);
	257	//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）
	258	String boundary = "MyBoundary" + System.currentTimeMillis();
	259	//设置 Content-Type 为 multipart/form-data; boundary=${boundary}
	260	conn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + boundary);
	261
	262	//发送参数数据
	263	try (DataOutputStream out = new DataOutputStream(conn.getOutputStream())) {
	264	//发送普通参数
	265	if (keyValues != null && !keyValues.isEmpty()) {
	266	for (Map.Entry<String, Object> entry : keyValues.entrySet()) {
	267	writeSimpleFormField(boundary, out, entry);
	268	}
	269	}
	270	//发送文件类型参数
	271	if (filePathMap != null && !filePathMap.isEmpty()) {
	272	for (Map.Entry<String, MultipartFile> filePath : filePathMap.entrySet()) {
	273	writeFile(filePath.getKey(), filePath.getValue(), boundary, out);
	274	}
	275	}
	276
	277	//写结尾的分隔符--${boundary}--,然后回车换行
	278	String endStr = BOUNDARY_PREFIX + boundary + BOUNDARY_PREFIX + LINE_END;
	279	out.write(endStr.getBytes());
	280	} catch (Exception e) {
	281	response = new HttpResponse(500, e.getMessage());
	282	return response;
	283	}
	284
	285	return getHttpResponse(conn);
	286	}
	287
	288	/**
	289	* 获得连接对象
	290	*
	291	* @param urlStr
	292	* @param headers
	293	* @return
	294	* @throws IOException
	295	*/
	296	private static HttpURLConnection getHttpURLConnection(String urlStr, Map<String, Object> headers) throws IOException {
	297	URL url = new URL(urlStr);
	298	HttpURLConnection conn = (HttpURLConnection) url.openConnection();
	299	//设置超时时间
	300	conn.setConnectTimeout(50000);
	301	conn.setReadTimeout(50000);
	302	//允许输入流
	303	conn.setDoInput(true);
	304	//允许输出流
	305	conn.setDoOutput(true);
	306	//不允许使用缓存
	307	conn.setUseCaches(false);
	308	//请求方式
	309	conn.setRequestMethod("POST");
	310	//设置编码 utf-8
	311	conn.setRequestProperty("Charset", "UTF-8");
	312	//设置为长连接
	313	conn.setRequestProperty("connection", "keep-alive");
	314
	315	//设置其他自定义 headers
	316	if (headers != null && !headers.isEmpty()) {
	317	for (Map.Entry<String, Object> header : headers.entrySet()) {
	318	conn.setRequestProperty(header.getKey(), header.getValue().toString());
	319	}
	320	}
	321
	322	return conn;
	323	}
	324
	325	private static HttpResponse getHttpResponse(HttpURLConnection conn) {
	326	HttpResponse response;
	327	try (BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()))) {
	328	int responseCode = conn.getResponseCode();
	329	StringBuilder responseContent = new StringBuilder();
	330	String line;
	331	while ((line = reader.readLine()) != null) {
	332	responseContent.append(line);
	333	}
	334	response = new HttpResponse(responseCode, responseContent.toString());
	335	} catch (Exception e) {
	336	e.printStackTrace();
	337	response = new HttpResponse(500, e.getMessage());
	338	}
	339	return response;
	340	}
	341
	342	/**
	343	* 写文件类型的表单参数
	344	*
	345	* @param paramName 参数名
	346	* @param filePath 文件路径
	347	* @param boundary 分隔符
	348	* @param out
	349	* @throws IOException
	350	*/
	351	private static void writeFile(String paramName, String filePath, String boundary,
	352	DataOutputStream out) {
	353	try (BufferedReader fileReader = new BufferedReader(new InputStreamReader(new FileInputStream(filePath)))) {
	354	/**
	355	* 写分隔符--${boundary}，并回车换行
	356	*/
	357	String boundaryStr = BOUNDARY_PREFIX + boundary + LINE_END;
	358	out.write(boundaryStr.getBytes());
	359	/**
	360	* 写描述信息(文件名设置为上传文件的文件名)：
	361	* 写 Content-Disposition: form-data; name="参数名"; filename="文件名"，并回车换行
	362	* 写 Content-Type: application/octet-stream，并两个回车换行
	363	*/
	364	String fileName = new File(filePath).getName();
	365	String contentDispositionStr = String.format("Content-Disposition: form-data; name=\"%s\"; filename=\"%s\"", paramName, fileName) + LINE_END;
	366	out.write(contentDispositionStr.getBytes());
	367	String contentType = "Content-Type: application/octet-stream" + LINE_END + LINE_END;
	368	out.write(contentType.getBytes());
	369
	370	String line;
	371	while ((line = fileReader.readLine()) != null) {
	372	out.write(line.getBytes());
	373	}
	374	//回车换行
	375	out.write(LINE_END.getBytes());
	376	} catch (Exception e) {
	377	e.printStackTrace();
	378	}
	379	}
	380
	381	/**
	382	* 写文件类型的表单参数
	383	*
	384	* @param paramName 参数名
	385	* @param multipartFile 文件
	386	* @param boundary 分隔符
	387	* @param out
	388	* @throws IOException
	389	*/
	390	private static void writeFile(String paramName, MultipartFile multipartFile, String boundary,
	391	DataOutputStream out) {
	392
	393	try (BufferedReader fileReader = new BufferedReader(new InputStreamReader(multipartFile.getInputStream()))) {
	394	/**
	395	* 写分隔符--${boundary}，并回车换行
	396	*/
	397	String boundaryStr = BOUNDARY_PREFIX + boundary + LINE_END;
	398	out.write(boundaryStr.getBytes());
	399	/**
	400	* 写描述信息(文件名设置为上传文件的文件名)：
	401	* 写 Content-Disposition: form-data; name="参数名"; filename="文件名"，并回车换行
	402	* 写 Content-Type: application/octet-stream，并两个回车换行
	403	*/
	404	String fileName = multipartFile.getName();
	405	String contentDispositionStr = String.format("Content-Disposition: form-data; name=\"%s\"; filename=\"%s\"", paramName, fileName) + LINE_END;
	406	out.write(contentDispositionStr.getBytes());
	407	String contentType = "Content-Type: application/octet-stream" + LINE_END + LINE_END;
	408	out.write(contentType.getBytes());
	409
	410	String line;
	411	while ((line = fileReader.readLine()) != null) {
	412	out.write(line.getBytes());
	413	}
	414	//回车换行
	415	out.write(LINE_END.getBytes());
	416	} catch (Exception e) {
	417	e.printStackTrace();
	418	}
	419	}
	420
	421	/**
	422	* 写普通的表单参数
	423	*
	424	* @param boundary 分隔符
	425	* @param out
	426	* @param entry 参数的键值对
	427	* @throws IOException
	428	*/
	429	private static void writeSimpleFormField(String boundary, DataOutputStream out, Map.Entry<String, Object> entry) throws IOException {
	430	//写分隔符--${boundary}，并回车换行
	431	String boundaryStr = BOUNDARY_PREFIX + boundary + LINE_END;
	432	out.write(boundaryStr.getBytes());
	433	//写描述信息：Content-Disposition: form-data; name="参数名"，并两个回车换行
	434	String contentDispositionStr = String.format("Content-Disposition: form-data; name=\"%s\"", entry.getKey()) + LINE_END + LINE_END;
	435	out.write(contentDispositionStr.getBytes());
	436	//写具体内容：参数值，并回车换行
	437	String valueStr = entry.getValue().toString() + LINE_END;
	438	out.write(valueStr.getBytes());
	439	}
	440
	441	public static String formUpload(String urlStr, Map<String, String> textMap,
	442	Map<String, String> fileMap,String contentType) {
	443	String res = "";
	444	HttpURLConnection conn = null;
	445	// boundary就是request头和上传文件内容的分隔符
	446	String BOUNDARY = "---------------------------123821742118716";
	447	try {
	448	URL url = new URL(urlStr);
	449	conn = (HttpURLConnection) url.openConnection();
	450	conn.setConnectTimeout(5000);
	451	conn.setReadTimeout(30000);
	452	conn.setDoOutput(true);
	453	conn.setDoInput(true);
	454	conn.setUseCaches(false);
	455	conn.setRequestMethod("POST");
	456	conn.setRequestProperty("Connection", "Keep-Alive");
	457	// conn.setRequestProperty("User-Agent","Mozilla/5.0 (Windows; U; Windows NT 6.1; zh-CN; rv:1.9.2.6)");
	458	conn.setRequestProperty("Content-Type","multipart/form-data; boundary=" + BOUNDARY);
	459	OutputStream out = new DataOutputStream(conn.getOutputStream());
	460	// text
	461	if (textMap != null) {
	462	StringBuffer strBuf = new StringBuffer();
	463	Iterator iter = textMap.entrySet().iterator();
	464	while (iter.hasNext()) {
	465	Map.Entry entry = (Map.Entry) iter.next();
	466	String inputName = (String) entry.getKey();
	467	String inputValue = (String) entry.getValue();
	468	if (inputValue == null) {
	469	continue;
	470	}
	471	strBuf.append("\r\n").append("--").append(BOUNDARY).append("\r\n");
	472	strBuf.append("Content-Disposition: form-data; name=\"" + inputName + "\"\r\n\r\n");
	473	strBuf.append(inputValue);
	474	}
	475	out.write(strBuf.toString().getBytes());
	476	}
	477	// file
	478	if (fileMap != null) {
	479	Iterator iter = fileMap.entrySet().iterator();
	480	while (iter.hasNext()) {
	481	Map.Entry entry = (Map.Entry) iter.next();
	482	String inputName = (String) entry.getKey();
	483	String inputValue = (String) entry.getValue();
	484	if (inputValue == null) {
	485	continue;
	486	}
	487	File file = new File(inputValue);
	488	String filename = file.getName();
	489
	490	//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
	491	contentType = new MimetypesFileTypeMap().getContentType(file);
	492	//contentType非空采用filename匹配默认的图片类型
	493	if(!"".equals(contentType)){
	494	if (filename.endsWith(".png")) {
	495	contentType = "image/png";
	496	}else if (filename.endsWith(".jpg") \|\| filename.endsWith(".jpeg") \|\| filename.endsWith(".jpe")) {
	497	contentType = "image/jpeg";
	498	}else if (filename.endsWith(".gif")) {
	499	contentType = "image/gif";
	500	}else if (filename.endsWith(".ico")) {
	501	contentType = "image/image/x-icon";
	502	}
	503	}
	504	if (contentType == null \|\| "".equals(contentType)) {
	505	contentType = "application/octet-stream";
	506	}
	507	StringBuffer strBuf = new StringBuffer();
	508	strBuf.append("\r\n").append("--").append(BOUNDARY).append("\r\n");
	509	strBuf.append("Content-Disposition: form-data; name=\"" + inputName + "\"; filename=\"" + filename + "\"\r\n");
	510	strBuf.append("Content-Type:" + contentType + "\r\n\r\n");
	511	out.write(strBuf.toString().getBytes());
	512	DataInputStream in = new DataInputStream(new FileInputStream(file));
	513	int bytes = 0;
	514	byte[] bufferOut = new byte[1024];
	515	while ((bytes = in.read(bufferOut)) != -1) {
	516	out.write(bufferOut, 0, bytes);
	517	}
	518	in.close();
	519	}
	520	}
	521	byte[] endData = ("\r\n--" + BOUNDARY + "--\r\n").getBytes();
	522	out.write(endData);
	523	out.flush();
	524	out.close();
	525	// 读取返回数据
	526	StringBuffer strBuf = new StringBuffer();
	527	BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
	528	String line = null;
	529	while ((line = reader.readLine()) != null) {
	530	strBuf.append(line).append("\n");
	531	}
	532	res = strBuf.toString();
	533	reader.close();
	534	reader = null;
	535	} catch (Exception e) {
	536	System.out.println("发送POST请求出错。" + urlStr);
	537	e.printStackTrace();
	538	} finally {
	539	if (conn != null) {
	540	conn.disconnect();
	541	conn = null;
	542	}
	543	}
	544	return res;
	545	}
	546	}