http请求工具
public class WebConstant { // HTTP参数传递方式 public final static int by_header = 1; public final static int by_params = 2; }
import java.io.IOException; import java.io.UnsupportedEncodingException; import java.lang.reflect.Field; import java.math.BigDecimal; import java.net.URLEncoder; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; import java.util.Enumeration; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.TreeMap; import javax.servlet.http.HttpServletRequest; import org.apache.commons.beanutils.BeanUtils; import org.apache.commons.lang3.StringUtils; /** * 操作HttpServletRequest的参数(以后可能通过类似ServletRequestWrapper实现) * * @author ybbk * @date Jun 5, 2009 2:55:16 PM * @version 0.0.1-snapshot */ public class ParamUtils { /** * 对参数按字典升序排序 ,并且去掉不需要的参数<br> * * @param params * @param ignoreParams * @return */ public static Map<String, Object> sortParams(Map<String, Object> params, List<String> ignoreParams) { Collection<String> keyset = params.keySet(); List<String> list = new ArrayList<String>(keyset); // 对key键值按字典升序排序 Collections.sort(list); // 签名步骤一:按字典排序参数 Map<String, Object> result = new TreeMap<String, Object>(); for (Iterator<String> it = list.iterator(); it.hasNext();) { String key = it.next(); if (ignoreParams != null && ignoreParams.contains(key)) { continue; } result.put(key, params.get(key)); } return result; } /** * 作用:格式化参数, name=xx&age=xx * * @param params * @param urlencode * @param escapeBlank 是否去掉值是空的参数 * @return * @throws UnsupportedEncodingException */ public static String formatParamMap(Map<String, Object> params, boolean needEncode, boolean escapeBlank, String charSet) throws UnsupportedEncodingException { StringBuilder sb = new StringBuilder(); for (Iterator<String> it = params.keySet().iterator(); it.hasNext();) { String key = it.next(); Object value = params.get(key); if (value == null && escapeBlank) { continue; } else { if (value instanceof String) { String str = (String) value; if (StringUtils.isBlank(str) && escapeBlank) { continue; } else { if (needEncode) { value = URLEncoder.encode(value + "", charSet); } } } } sb.append(key).append("=").append(value).append("&"); } String result = sb.toString(); if (result.length() > 0) { result = result.substring(0, result.length() - 1); } return result; } /** * 去掉空白的参数 * * @param params * @param needEncode * @param charSet * @return * @throws UnsupportedEncodingException */ public static String formatParamMap(Map<String, Object> params, boolean needEncode, String charSet) throws UnsupportedEncodingException { return formatParamMap(params, needEncode, true, charSet); } /** * 模糊匹配某类参数值,如new-img-* * * @param request * @param paramNamePrefix * @return */ public static List<String> getValues(HttpServletRequest request, String paramNamePrefix) { Map requestParams = request.getParameterMap(); List<String> results = new ArrayList<String>(); for (Iterator iter = requestParams.keySet().iterator(); iter.hasNext();) { String name = (String) iter.next(); if (name.startsWith(paramNamePrefix)) { String[] values = (String[]) requestParams.get(name); for (String value : values) { results.add(value); } } } return results; } /** * 模糊匹配某类参数名称,如new-img-* * * @return */ public static List<String> getParamters(HttpServletRequest request, String paramNamePrefix) { Map requestParams = request.getParameterMap(); List<String> params = new ArrayList<String>(); for (Iterator iter = requestParams.keySet().iterator(); iter.hasNext();) { String name = (String) iter.next(); if (name.startsWith(paramNamePrefix)) { params.add(name); } } return params; } /** * 得到Http参数 * * @param request HttpServletRequest * @param paramName 参数名 * @param defaultStr 默认值 * @return */ public static String getString(HttpServletRequest request, String paramName, String defaultStr) { String value = request.getParameter(paramName); if (value == null) { return defaultStr; } return value.trim(); } /** * 得到Http字符串数组参数 * * @param request HttpServletRequest * @param paramName 参数名 * @return */ public static String[] getStringArray(HttpServletRequest request, String paramName) { return request.getParameterValues(paramName); } /** * 得到整形参数 * * @param request HttpServletRequest * @param paramName 参数名 * @param defaultInt 默认值 * @return */ public static Integer getInteger(HttpServletRequest request, String paramName, int defaultInt) { String value = request.getParameter(paramName); if (value == null) { return defaultInt; } try { return new Integer(value); } catch (NumberFormatException e) { return defaultInt; } } public static Integer[] getIntegerArray(HttpServletRequest request, String paramName) { String[] values = getStringArray(request, paramName); if (values == null) { return null; } List<Integer> list = new ArrayList<Integer>(); for (String value : values) { try { Integer paramValue = new Integer(value); list.add(paramValue); } catch (NumberFormatException e) { } } return list.toArray(new Integer[] {}); } public static Long getLong(HttpServletRequest request, String paramName, long defaultLong) { String value = request.getParameter(paramName); if (value == null) { return defaultLong; } try { return new Long(value); } catch (NumberFormatException e) { return defaultLong; } } public static Long[] getLongArray(HttpServletRequest request, String paramName) { String[] values = getStringArray(request, paramName); if (values == null) { return null; } List<Long> list = new ArrayList<Long>(); for (String value : values) { try { Long paramValue = new Long(value); list.add(paramValue); } catch (NumberFormatException e) { } } return list.toArray(new Long[] {}); } public static Double getDouble(HttpServletRequest request, String paramName, double defaultDouble) { String value = request.getParameter(paramName); if (value == null) { return defaultDouble; } try { return new Double(value); } catch (NumberFormatException e) { return defaultDouble; } } public static Double[] getDoubleArray(HttpServletRequest request, String paramName) { String[] values = getStringArray(request, paramName); if (values == null) { return null; } List<Double> list = new ArrayList<Double>(); for (String value : values) { try { Double paramValue = new Double(value); list.add(paramValue); } catch (NumberFormatException e) { } } return list.toArray(new Double[] {}); } /** * 把HttpServletRequest中所有的参数重新组织,形成新的查询字符串.用于转向页面时,保存request中的参数值不丢失 * * @param request * @param encoding URL编码格式 * @return 新的参数排除.格式是: aaa=value&bbb=value& */ @SuppressWarnings("rawtypes") public static String getFullRequestUrl(HttpServletRequest request, String encoding) { StringBuffer sb = new StringBuffer(); Map requestParams = request.getParameterMap(); for (Iterator iter = requestParams.keySet().iterator(); iter.hasNext();) { String name = (String) iter.next(); String[] values = (String[]) requestParams.get(name); for (String value : values) { try { sb.append(name).append("=").append(java.net.URLEncoder.encode(value, encoding)) .append("&"); } catch (UnsupportedEncodingException e) { } } } return sb.toString(); } public static String getFullRequestUrl(String url, Map params, String ext, String encoding) { return getFullRequestUrl(url, params, ext, encoding, true, false); } /** * 将参数拼接到URL后面 * * @param url * @param params * @param ext 如#tip3 * @param encoding * @param needEncode 是否需要编码 * @param dropEmpty 去掉空的参数,如name= * @return */ @SuppressWarnings("rawtypes") public static String getFullRequestUrl(String url, Map params, String ext, String encoding, boolean needEncode, boolean dropEmpty) { StringBuffer sb = new StringBuffer(); for (Iterator iter = params.keySet().iterator(); iter.hasNext();) { String name = (String) iter.next(); Object value = params.get(name); try { if (value == null) { if (dropEmpty) { continue; } sb.append(name).append("=&"); } else { String str = value.toString(); if (StringUtils.isBlank(str) && dropEmpty) { continue; } if (needEncode) { str = java.net.URLEncoder.encode(str, encoding); } sb.append(name).append("=").append(str).append("&"); } } catch (UnsupportedEncodingException e) { e.printStackTrace(); } } String requesturl = url + "?" + sb.toString(); if (requesturl.lastIndexOf("&") != -1) { requesturl = requesturl.substring(0, requesturl.length() - 1); } if (StringUtils.isNotBlank(ext)) { requesturl = requesturl + ext; } return requesturl; } /** * 将参数拼接到URL后面,除了参数外,不带多余的#信息,默认使用utf8进行encode * * @param url * @param params * @param ext * @param encoding * @return */ @SuppressWarnings("rawtypes") public static String getFullRequestUrl(String url, Map params) { return getFullRequestUrl(url, params, "", "utf-8"); } /** * 把HttpServletRequest中所有的参数重新组织,形成新的查询字符串.用于转向页面时,保存request中的参数值不丢失,默认utf-8 编码 * * @param request * @return 新的参数排除.格式是: aaa=value&bbb=value& */ public static String getFullRequestUrl(HttpServletRequest request) { return getFullRequestUrl(request, "utf-8"); } /** * 得到当前的URL及所有参数,用于转向页面时,保存request中的参数值不丢失,默认utf-8编码 * * @param request * @return 请求地址中,完整的URL和参数 */ public static String getRequestUrl(HttpServletRequest request) { String requesturl = request.getRequestURL().toString(); String params = getFullRequestUrl(request); if (params.length() > 0) { requesturl = requesturl + "?" + params; } return requesturl; } ///////////////////////////////////////////////////////// /** * @param request * @return */ public static Map<String, String> parseFromHeader(HttpServletRequest request) { Map<String, String> params = new HashMap<String, String>(); @SuppressWarnings("unchecked") Enumeration<String> e = request.getHeaderNames(); while (e.hasMoreElements()) { String key = e.nextElement(); params.put(key.toLowerCase(), request.getHeader(key)); } return params; } /** * 请求参数组转换成Map */ public static Map<String, String> parameterToMap(HttpServletRequest request) { Map<String, String> params = new HashMap<String, String>(); @SuppressWarnings("unchecked") Enumeration<String> e = request.getParameterNames(); while (e.hasMoreElements()) { String key = e.nextElement(); params.put(key, request.getParameter(key)); } return params; } /** * 请求参数组换成字符串, 格式为: key=value. 方便打印日志 */ public static String parameterToString(HttpServletRequest request) { StringBuffer sb = new StringBuffer(); @SuppressWarnings("unchecked") Enumeration<String> e = request.getParameterNames(); while (e.hasMoreElements()) { String key = e.nextElement(); sb.append(key).append("=").append(request.getParameter(key)).append(" "); } return sb.toString(); } /** * POST请求的BODY转化为String * * @param request * @return * @throws IOException */ public static String contentToString(HttpServletRequest request) throws IOException { try { java.io.BufferedReader reader = new java.io.BufferedReader(new java.io.InputStreamReader(request.getInputStream())); StringBuffer sb = new StringBuffer(); String tmp = null; while ((tmp = reader.readLine()) != null) { sb.append(tmp).append("\r\n"); } return sb.toString(); } catch (IOException e) { throw e; } } /** * 请求参数表转转换. 转换规则为,参数名前加上"c_"以和数据库字段名一致. 重要规则: 数据库建表时, 接口字段统一为字符串型, 字段名为 c_参数名 */ public static void parserParameter(HttpServletRequest request, Map<String, Object> params, String[] parameterList) { for (String k : parameterList) { String v = ParamUtils.getString(request, k, ""); params.put("c_".concat(k), v); } } /** * 请求参数表转转换. 传入二维数组,数组为: 参数名, 列名 */ public static void parserParameter(HttpServletRequest request, Map<String, Object> params, String[][] parameterList) { for (String[] k : parameterList) { String v = ParamUtils.getString(request, k[0], ""); params.put(k[1], v); } } /** * 信息费转换 * * @param price 信息费 单位:分 */ public static BigDecimal getPrice(String price/* 信息费:单位:分 */) { BigDecimal amount = null; try { float fee = Float.parseFloat(price); amount = new BigDecimal(fee / 100); } catch (NumberFormatException e) { amount = null; } return amount; } /** * 转码转换 * * @param inputStr * @param srcEncoding * @param dstEncoding * @return */ public static String encoding(String inputStr, String srcEncoding, String dstEncoding) { try { return new String(inputStr.getBytes(srcEncoding), dstEncoding); } catch (UnsupportedEncodingException e) { } return inputStr; } /** * 将参数从request封装到指定bean * * @author: hejianhui@wegooooo.com * @param request * @param clazz * @return * @return: Object * @time: 2016年7月11日 下午4:05:43 */ @SuppressWarnings("rawtypes") public Object request2bean(HttpServletRequest request, Class clazz) { try { Field[] file = clazz.getDeclaredFields(); Object obj = clazz.newInstance(); for (int i = 0; i < file.length; i++) { String value = request.getParameter(file[i].getName()); BeanUtils.setProperty(obj, file[i].getName(), value); } return obj; } catch (Exception e) { e.printStackTrace(); } return null; } }
.
import com.google.gson.Gson; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URL; import java.security.cert.CertificateException; import java.security.cert.X509Certificate; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import javax.net.ssl.SSLContext; import lombok.extern.slf4j.Slf4j; import org.apache.commons.lang3.StringUtils; import org.apache.http.HttpEntity; import org.apache.http.HttpStatus; import org.apache.http.NameValuePair; 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.CloseableHttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.conn.ssl.SSLConnectionSocketFactory; import org.apache.http.conn.ssl.TrustStrategy; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.message.BasicNameValuePair; import org.apache.http.ssl.SSLContextBuilder; import org.apache.http.util.CharsetUtils; import org.apache.http.util.EntityUtils; import org.springframework.util.CollectionUtils; /** * http请求工具 */ @Slf4j public class HttpRequestClient { public static class MyX509TrustManager implements TrustStrategy { @Override public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException { return true; } } public static CloseableHttpClient createHttpClient(boolean enableSSL) throws Exception { try { if (enableSSL) { SSLContext sslContext = new SSLContextBuilder().loadTrustMaterial(null, new MyX509TrustManager()) .build(); SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslContext); return HttpClients.custom().setSSLSocketFactory(sslsf).build(); } else { return HttpClients.createDefault(); } } catch (Exception e) { throw e; } } public static String doPostText(String url, String text, boolean enableSSL) throws Exception { CloseableHttpClient httpclient = createHttpClient(enableSSL); HttpPost httpPost = new HttpPost(url); CloseableHttpResponse response = null; try { httpPost.setEntity(new StringEntity(text, "utf-8")); response = httpclient.execute(httpPost); org.apache.http.HttpEntity entity = response.getEntity(); if (response.getStatusLine().getStatusCode() == org.apache.http.HttpStatus.SC_OK) { if (entity != null) { String result = EntityUtils.toString(entity, "utf-8"); EntityUtils.consume(entity); return result; } else { return null; } } EntityUtils.consume(entity); return null; } catch (ClientProtocolException e) { throw new Exception(e); } catch (IOException e) { throw new Exception(e); } finally { try { if (response != null) { response.close(); } } catch (IOException e) { throw new Exception(e); } } } public static byte[] getBytes(String urlPath) throws Exception { InputStream inStream = getInputStream(urlPath); if (inStream != null) { return readStream(inStream); } return null; } private static byte[] readStream(InputStream inStream) throws Exception { ByteArrayOutputStream outStream = new ByteArrayOutputStream(); byte[] buffer = new byte[1024]; int len = 0; while ((len = inStream.read(buffer)) != -1) { outStream.write(buffer, 0, len); } outStream.close(); inStream.close(); return outStream.toByteArray(); } public static InputStream getInputStream(String urlPath) throws IOException { URL url = new URL(urlPath); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setConnectTimeout(5 * 1000); conn.setRequestMethod("GET"); if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) { return conn.getInputStream(); } return null; } public static void saveToFile(String urlPath, File saveFile) throws Exception { URL url = new URL(urlPath); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setConnectTimeout(5 * 1000); conn.setRequestMethod("GET"); if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) { InputStream is = conn.getInputStream(); FileOutputStream fos = new FileOutputStream(saveFile); byte[] buffer = new byte[1024]; int len = 0; while ((len = is.read(buffer)) != -1) { fos.write(buffer, 0, len); } is.close(); fos.close(); } } public static String doGetByParams(String url, Map<String, Object> params) throws Exception { return doGet(WebConstant.by_params, url, params); } public static String doGetByHeader(String url, Map<String, Object> params) throws Exception { return doGet(WebConstant.by_header, url, params); } public static String doGet(int paramsPassMethod, String url, Map<String, Object> params) throws Exception { return doGet(paramsPassMethod, url, params, false, null); } public static String doGet(int paramsPassMethod, String url, Map<String, Object> params, boolean enableSSL, HttpClient client) throws Exception { return doGet(paramsPassMethod, url, params, enableSSL, client, "utf-8"); } public static String doGet(int paramsPassMethod, String url, Map<String, Object> params, boolean enableSSL, HttpClient client, String charset) throws Exception { log.info("doGet():url={};params={};", url, params); if (WebConstant.by_params != paramsPassMethod && WebConstant.by_header != paramsPassMethod) { throw new Exception("不支持的参数传递方式"); } if (StringUtils.isEmpty(url)) { throw new Exception("URL为空"); } if (WebConstant.by_params == paramsPassMethod) { if (params != null && !params.isEmpty()) { url = ParamUtils.getFullRequestUrl(url, params); } } CloseableHttpClient httpclient = null; if (client == null) { httpclient = createHttpClient(enableSSL); } else { httpclient = (CloseableHttpClient) client; } HttpGet httpGet = new HttpGet(url); if (WebConstant.by_header == paramsPassMethod) { if (params != null && !params.isEmpty()) { for (Iterator<String> it = params.keySet().iterator(); it .hasNext(); ) { String key = it.next(); String value = String.valueOf(params.get(key)); httpGet.setHeader(key, value); } } } CloseableHttpResponse response = null; try { response = httpclient.execute(httpGet); HttpEntity entity = response.getEntity(); if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) { if (entity != null) { String result = EntityUtils.toString(entity, CharsetUtils.get(charset)); //20141205增加UTF-8 EntityUtils.consume(entity); return result; } else { return null; } } } catch (Exception e) { log.error("http请求接口异常:", e); throw new Exception(e); } finally { try { if (response != null) { response.close(); } } catch (IOException e) { throw new Exception(e); } } return null; } // //////////////////////////////////////////////////////////////////////////////////////// public static String doPostByParams(String url, Map<String, Object> params) throws Exception { return doPost(WebConstant.by_params, url, params); } public static String doPostByHeader(String url, Map<String, Object> params) throws Exception { return doPost(WebConstant.by_header, url, params); } public static String doPost(int paramsPassMethod, String url, Map<String, Object> params) throws Exception { return doPost(paramsPassMethod, url, params, false, null); } public static String doPost(int paramsPassMethod, String url, Map<String, Object> params, boolean enableSSL, HttpClient client) throws Exception { log.info("doPost():url={},params={}", url, params); if (WebConstant.by_params != paramsPassMethod && WebConstant.by_header != paramsPassMethod) { throw new Exception("不支持的参数传递方式"); } if (StringUtils.isEmpty(url)) { throw new Exception("URL为空"); } CloseableHttpClient httpclient = null; if (client == null) { httpclient = createHttpClient(enableSSL); } else { httpclient = (CloseableHttpClient) client; } HttpPost httpPost = new HttpPost(url); CloseableHttpResponse response = null; try { if (WebConstant.by_params == paramsPassMethod) { List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(); for (Iterator<String> it = params.keySet().iterator(); it .hasNext(); ) { String key = it.next(); Object obj = params.get(key); if (obj != null) { String value = String.valueOf(obj); nameValuePairs.add(new BasicNameValuePair(key, value)); } else { nameValuePairs.add(new BasicNameValuePair(key, null)); } } httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs)); } if (WebConstant.by_header == paramsPassMethod) { if (params != null && !params.isEmpty()) { for (Iterator<String> it = params.keySet().iterator(); it .hasNext(); ) { String key = it.next(); String value = String.valueOf(params.get(key)); httpPost.setHeader(key, value); } } } response = httpclient.execute(httpPost); HttpEntity entity = response.getEntity(); if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) { if (entity != null) { String result = EntityUtils.toString(entity, CharsetUtils.get("utf-8")); //20141205增加UTF-8 EntityUtils.consume(entity); return result; } else { return null; } } EntityUtils.consume(entity); return null; } catch (ClientProtocolException e) { throw e; } catch (IOException e) { throw e; } finally { try { if (response != null) { response.close(); } } catch (IOException e) { throw e; } } } public static String doPost(String url, Map<String, Object> headers, Map<String, Object> params, boolean enableSSL, HttpClient client) throws Exception { log.info("doPost():url={},headers={},params={}", url, headers, params); if (StringUtils.isEmpty(url)) { throw new IllegalArgumentException("URL为空"); } CloseableHttpClient httpclient = null; if (client == null) { httpclient = createHttpClient(enableSSL); } else { httpclient = (CloseableHttpClient) client; } HttpPost httpPost = new HttpPost(url); CloseableHttpResponse response = null; try { if (!CollectionUtils.isEmpty(headers)) { if (headers != null && !headers.isEmpty()) { for (Iterator<String> it = headers.keySet().iterator(); it .hasNext(); ) { String key = it.next(); String value = String.valueOf(headers.get(key)); httpPost.setHeader(key, value); } } } if (!CollectionUtils.isEmpty(params)) { List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(); for (Iterator<String> it = params.keySet().iterator(); it .hasNext(); ) { String key = it.next(); Object obj = params.get(key); if (obj != null) { String value = String.valueOf(obj); nameValuePairs.add(new BasicNameValuePair(key, value)); } else { nameValuePairs.add(new BasicNameValuePair(key, null)); } } httpPost.setEntity(new UrlEncodedFormEntity(nameValuePairs)); } response = httpclient.execute(httpPost); HttpEntity entity = response.getEntity(); if (entity != null) { String result = EntityUtils.toString(entity, CharsetUtils.get("utf-8")); //20141205增加UTF-8 EntityUtils.consume(entity); return result; } else { EntityUtils.consume(entity); return null; } } catch (ClientProtocolException e) { throw e; } catch (IOException e) { throw e; } finally { try { if (response != null) { response.close(); } } catch (IOException e) { throw e; } } } /** * 使用post方式提交json数据<br> * 并将返回的信息也进行json格式化 */ public static Map<String, Object> postJson(String url, Map<String, Object> params) throws Exception { Gson gson = new Gson(); String json = gson.toJson(params); String resp = doPostText(url, json, true); log.info("resp:{}", resp); if (StringUtils.isNotBlank(resp)) { Map<String, Object> dataMap = gson.fromJson(resp, Map.class); if (dataMap == null) { return new HashMap<String, Object>(); } return dataMap; } return new HashMap<String, Object>(); } }
测试
import org.junit.Test; import java.util.HashMap; import java.util.Map; public class CreateUserTest { @Test public void createUserTest() throws Exception { Map<String, Object> paramMap = new HashMap<String, Object>(); String userId="5af2aebb478d200e400ec4d4"; paramMap.put("username", userId); paramMap.put("password", "123456"); Map<String, Object> headerMap = new HashMap<String, Object>(); headerMap.put("Content-Type", "application/x-www-form-urlencoded"); headerMap.put("Authorization", String.format("Basic %s", "dG9vX3VzZXJfcHJvZDo5OTk5OTk=")); String result = HttpRequestClient.doPost( "https://xx.dd.cn/oauth/user", headerMap, paramMap, true, null); if (StringUtils.isBlank(result) || (result.indexOf("ok") == -1&& result.indexOf("duplicated") == -1) ) { throw new IllegalStateException("创建Oauth2用户失败。userid: " + userId); } } }
相关推荐
例子在协程中的用法可能是: from th2c import AsyncHTTP2Clientfrom tornado . httpclient import HTTPRequestclient = AsyncHTTP2Client ( host = 'nghttp2.org' , port = 443 , secure = True ,)request = ...
在上面的示例中,我们创建了一个 `HttpRequestClient` 类,用于初始化 Retrofit 客户端。我们使用 `OkHttpClient` 创建了一个客户端,并添加了一个 log 拦截器用于日志显示。 三、上传文件 在使用 Retrofit2.0 ...
JSONObject jsonObject = new JSONObject(HttpRequestClient.executeRequest(Constant.Url.GET_FOLLOW_GOODS_URL, param, true)); ResponseInfo responseInfo = new ResponseInfo(); try { if (jsonObject....
ImageLoaderTask 使用内存缓存和OkHttp3加载图像的模块还支持Get Request要求HttpRequestClient库可以包含在任何Android应用程序中。 HttpRequestClient库支持Android 4.4(Kitkat)及更高版本。在应用程序中使用...
setting.xml文件,修改Maven仓库指向至阿里仓
基于java的玉安农副产品销售系统的开题报告
dev-c++ 6.3版本
基于java的项目监管系统开题报告
基于springboot多彩吉安红色旅游网站源码数据库文档.zip
毕业设计&课设_基于 AFLFast 改进能量分配策略的毕业设计项目,含 Mix Schedule策略设计及测试结果分析.zip
基于springboot办公用品管理系统源码数据库文档.zip
C++调用qml对象Demo
非常漂亮的类Web界面的Delphi设计54ed7-main.zip
VB SQL车辆管理系统是一款基于Visual Basic(VB)编程语言和SQL数据库开发的综合车辆管理工具。该系统集成了车辆信息管理、驾驶员信息管理、车辆调度、维修记录、数据存储与检索、报告生成以及安全权限管理等多个核心功能模块。 源代码部分提供了详细的开发流程和实现方法,涵盖了从数据库设计、界面设计到事件驱动编程、数据访问技术和错误处理等关键技术点。通过该系统,用户可以方便地录入、查询、修改和删除车辆及驾驶员信息,实现车辆信息的实时更新和跟踪。同时,系统还支持生成各类车辆管理相关的报告,帮助用户更好地掌握车辆运营情况。 系统部分则采用了直观易用的用户界面设计,使得用户能够轻松上手并快速完成车辆管理工作。系统还具备强大的数据处理能力和安全性,通过数据备份和系统升级优化等功能,确保数据的完整性和系统的稳定运行。 总体而言,VB SQL车辆管理系统是一款功能全面、易于操作且安全可靠的车辆管理工具,适用于企业和个人进行日常车辆运营和管理。无论是车辆信息的录入、查询还是报告生成,该系统都能够提供高效、便捷的服务,是车辆管理工作的理想选择。
AutoSAR基础学习资源
基于springboot英语学习平台源码数据库文档.zip
数据集,深度学习,密封数据集,马体态数据集
基于java的数字家庭网站开题报告
podman使用国内源镜像加速器
基于springboot+web的留守儿童网站源码数据库文档.zip