Java微信公众平台开发_06_素材管理
一、本节要点
1.官方文档的media
这个media可以理解为文件，即我们需要以POST方式提交一个文件
2.媒体文件有效期
媒体文件在微信后台保存时间为3天，即3天后media_id失效。
二、代码实现
1.HTTP请求工具类—HttpHelper.java
package com.ray.weixin.gz.util; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import org.apache.http.Consts; import org.apache.http.Header; import org.apache.http.HeaderElement; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.HttpStatus; import org.apache.http.NameValuePair; import org.apache.http.client.config.RequestConfig; 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.entity.ContentType; import org.apache.http.entity.StringEntity; import org.apache.http.entity.mime.MultipartEntityBuilder; import org.apache.http.entity.mime.content.FileBody; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.protocol.BasicHttpContext; import org.apache.http.util.EntityUtils; import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONObject; /** * HTTP请求封装，建议直接使用sdk的API */ public class HttpHelper { /** * @desc ：1.发起GET请求 * * @param url * @return JSONObject * @throws Exception */ public static JSONObject doGet(String url) throws Exception { //1.生成一个请求 HttpGet httpGet = new HttpGet(url); //2.配置请求的属性 RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(5000).setConnectTimeout(5000).build();//2000 httpGet.setConfig(requestConfig); //3.发起请求，获取响应信息 //3.1 创建httpClient CloseableHttpClient httpClient = HttpClients.createDefault(); CloseableHttpResponse response = null; try { //3.2 发起请求，获取响应信息 response = httpClient.execute(httpGet, new BasicHttpContext()); //如果返回结果的code不等于200，说明出错了 if (response.getStatusLine().getStatusCode() != 200) { System.out.println("request url failed, http code=" + response.getStatusLine().getStatusCode() + ", url=" + url); return null; } //4.解析请求结果 HttpEntity entity = response.getEntity(); //reponse返回的数据在entity中 if (entity != null) { String resultStr = EntityUtils.toString(entity, "utf-8"); //将数据转化为string格式 System.out.println("GET请求结果："+resultStr); JSONObject result = JSON.parseObject(resultStr); //将String转换为 JSONObject if(result.getInteger("errcode")==null) { return result; }else if (0 == result.getInteger("errcode")) { return result; }else { System.out.println("request url=" + url + ",return value="); System.out.println(resultStr); int errCode = result.getInteger("errcode"); String errMsg = result.getString("errmsg"); throw new Exception("error code:"+errCode+", error message:"+errMsg); } } } catch (IOException e) { System.out.println("request url=" + url + ", exception, msg=" + e.getMessage()); e.printStackTrace(); } finally { if (response != null) try { response.close(); //释放资源 } catch (IOException e) { e.printStackTrace(); } } return null; } /** 2.发起POST请求 * @desc ： * * @param url 请求url * @param data 请求参数（json） * @return * @throws Exception JSONObject */ public static JSONObject doPost(String url, Object data) throws Exception { //1.生成一个请求 HttpPost httpPost = new HttpPost(url); //2.配置请求属性 //2.1 设置请求超时时间 RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(100000).setConnectTimeout(100000).build(); httpPost.setConfig(requestConfig); //2.2 设置数据传输格式-json httpPost.addHeader("Content-Type", "application/json"); //2.3 设置请求实体，封装了请求参数 StringEntity requestEntity = new StringEntity(JSON.toJSONString(data), "utf-8"); httpPost.setEntity(requestEntity); //3.发起请求，获取响应信息 //3.1 创建httpClient CloseableHttpClient httpClient = HttpClients.createDefault(); CloseableHttpResponse response = null; try { //3.3 发起请求，获取响应 response = httpClient.execute(httpPost, new BasicHttpContext()); if (response.getStatusLine().getStatusCode() != 200) { System.out.println("request url failed, http code=" + response.getStatusLine().getStatusCode() + ", url=" + url); return null; } //获取响应内容 HttpEntity entity = response.getEntity(); if (entity != null) { String resultStr = EntityUtils.toString(entity, "utf-8"); System.out.println("POST请求结果："+resultStr); //解析响应内容 JSONObject result = JSON.parseObject(resultStr); if(result.getInteger("errcode")==null) { return result; }else if (0 == result.getInteger("errcode")) { return result; }else { System.out.println("request url=" + url + ",return value="); System.out.println(resultStr); int errCode = result.getInteger("errcode"); String errMsg = result.getString("errmsg"); throw new Exception("error code:"+errCode+", error message:"+errMsg); } } } catch (IOException e) { System.out.println("request url=" + url + ", exception, msg=" + e.getMessage()); e.printStackTrace(); } finally { if (response != null) try { response.close(); //释放资源 } catch (IOException e) { e.printStackTrace(); } } return null; } /** * @desc ： 3.上传文件 * * @param url 请求url * @param file 上传的文件 * @return * @throws Exception JSONObject */ public static JSONObject uploadMedia(String url, File file) throws Exception { HttpPost httpPost = new HttpPost(url); CloseableHttpResponse response = null; CloseableHttpClient httpClient = HttpClients.createDefault(); RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(5000).setConnectTimeout(5000).build(); httpPost.setConfig(requestConfig); //2.3 设置请求实体，封装了请求参数 HttpEntity requestEntity = MultipartEntityBuilder.create().addPart("media", new FileBody(file, ContentType.create("multipart/form-data", Consts.UTF_8), file.getName())).build(); //FileEntity requestEntity = new FileEntity(file,ContentType.MULTIPART_FORM_DATA); httpPost.setEntity(requestEntity); try { response = httpClient.execute(httpPost, new BasicHttpContext()); if (response.getStatusLine().getStatusCode() != 200) { System.out.println("request url failed, http code=" + response.getStatusLine().getStatusCode() + ", url=" + url); return null; } HttpEntity entity = response.getEntity(); if (entity != null) { String resultStr = EntityUtils.toString(entity, "utf-8"); JSONObject result = JSON.parseObject(resultStr); //上传临时素材成功 if (result.getString("errcode")== null) { // 成功 //result.remove("errcode"); //result.remove("errmsg"); return result; } else { System.out.println("request url=" + url + ",return value="); System.out.println(resultStr); int errCode = result.getInteger("errcode"); String errMsg = result.getString("errmsg"); throw new Exception("error code:"+errCode+", error message:"+errMsg); } } } catch (IOException e) { System.out.println("request url=" + url + ", exception, msg=" + e.getMessage()); e.printStackTrace(); } finally { if (response != null) try { response.close(); //释放资源 } catch (IOException e) { e.printStackTrace(); } } return null; } /** * @desc ： 上传PDF * 见微信电子发票章节 * 9. 向用户提供发票或其它消费凭证PDF * * @param url * @param file * @return * @throws Exception * JSONObject */ public static JSONObject uploadPDF(String url, File file) throws Exception { HttpPost httpPost = new HttpPost(url); CloseableHttpResponse response = null; CloseableHttpClient httpClient = HttpClients.createDefault(); RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(5000).setConnectTimeout(5000).build(); httpPost.setConfig(requestConfig); //2.3 设置请求实体，封装了请求参数 HttpEntity requestEntity = MultipartEntityBuilder.create().addPart("media", new FileBody(file, ContentType.create("multipart/form-data", Consts.UTF_8), file.getName())).build(); httpPost.setEntity(requestEntity); try { response = httpClient.execute(httpPost, new BasicHttpContext()); if (response.getStatusLine().getStatusCode() != 200) { System.out.println("request url failed, http code=" + response.getStatusLine().getStatusCode() + ", url=" + url); return null; } HttpEntity entity = response.getEntity(); if (entity != null) { String resultStr = EntityUtils.toString(entity, "utf-8"); JSONObject result = JSON.parseObject(resultStr); //上传临时素材成功 if (result.getString("errcode")== null) { // 成功 //result.remove("errcode"); //result.remove("errmsg"); return result; } else { System.out.println("request url=" + url + ",return value="); System.out.println(resultStr); int errCode = result.getInteger("errcode"); String errMsg = result.getString("errmsg"); throw new Exception("error code:"+errCode+", error message:"+errMsg); } } } catch (IOException e) { System.out.println("request url=" + url + ", exception, msg=" + e.getMessage()); e.printStackTrace(); } finally { if (response != null) try { response.close(); //释放资源 } catch (IOException e) { e.printStackTrace(); } } return null; } /** * @desc ： 4.下载文件 -get * * @param url 请求url * @param fileDir 下载路径 * @return * @throws Exception File */ public static File downloadMedia(String url, String fileDir) throws Exception { //1.生成一个请求 HttpGet httpGet = new HttpGet(url); //2.配置请求属性 RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(100000).setConnectTimeout(100000).build(); httpGet.setConfig(requestConfig); //3.发起请求，获取响应信息 //3.1 创建httpClient CloseableHttpClient httpClient = HttpClients.createDefault(); CloseableHttpResponse response = null; //4.设置本地保存的文件 //File file = new File(fileDir); File file = null; try { //5. 发起请求，获取响应信息 response = httpClient.execute(httpGet, new BasicHttpContext()); System.out.println("HttpStatus.SC_OK:"+HttpStatus.SC_OK); System.out.println("response.getStatusLine().getStatusCode():"+response.getStatusLine().getStatusCode()); System.out.println("http-header:"+JSON.toJSONString( response.getAllHeaders() )); System.out.println("http-filename:"+getFileName(response) ); //请求成功 if(HttpStatus.SC_OK==response.getStatusLine().getStatusCode()){ //6.取得请求内容 HttpEntity entity = response.getEntity(); if (entity != null) { //这里可以得到文件的类型 如image/jpg /zip /tiff 等等 但是发现并不是十分有效，有时明明后缀是.rar但是取到的是null，这点特别说明 System.out.println(entity.getContentType()); //可以判断是否是文件数据流 System.out.println(entity.isStreaming()); //6.1 输出流 //6.1.1获取文件名，拼接文件路径 String fileName=getFileName(response); fileDir=fileDir+fileName; file = new File(fileDir); //6.1.2根据文件路径获取输出流 FileOutputStream output = new FileOutputStream(file); //6.2 输入流：从钉钉服务器返回的文件流，得到网络资源并写入文件 InputStream input = entity.getContent(); //6.3 将数据写入文件：将输入流中的数据写入到输出流 byte b[] = new byte[1024]; int j = 0; while( (j = input.read(b))!=-1){ output.write(b,0,j); } output.flush(); output.close(); } if (entity != null) { entity.consumeContent(); } } } catch (IOException e) { System.out.println("request url=" + url + ", exception, msg=" + e.getMessage()); e.printStackTrace(); } finally { if (response != null) try { response.close(); //释放资源 } catch (IOException e) { e.printStackTrace(); } } return file; } /** * @desc ： 5.下载文件 - post * * @param url 请求url * @param data post请求参数 * @param fileDir 文件下载路径 * @return * @throws Exception File */ public static File downloadMedia(String url, Object data, String fileDir) throws Exception { //1.生成一个请求 HttpPost httpPost = new HttpPost(url); //2.配置请求属性 //2.1 设置请求超时时间 RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(100000).setConnectTimeout(100000).build(); httpPost.setConfig(requestConfig); //2.2 设置数据传输格式-json httpPost.addHeader("Content-Type", "application/json"); //2.3 设置请求参数 StringEntity requestEntity = new StringEntity(JSON.toJSONString(data), "utf-8"); httpPost.setEntity(requestEntity); //3.发起请求，获取响应信息 //3.1 创建httpClient CloseableHttpClient httpClient = HttpClients.createDefault(); CloseableHttpResponse response = null; //4.设置本地保存的文件 //File file = new File(fileDir); File file = null; try { //5. 发起请求，获取响应信息 response = httpClient.execute(httpPost, new BasicHttpContext()); System.out.println("HttpStatus.SC_OK:"+HttpStatus.SC_OK); System.out.println("response.getStatusLine().getStatusCode():"+response.getStatusLine().getStatusCode()); System.out.println("http-header:"+JSON.toJSONString( response.getAllHeaders() )); System.out.println("http-filename:"+getFileName(response) ); //请求成功 if(HttpStatus.SC_OK==response.getStatusLine().getStatusCode()){ //6.取得请求内容 HttpEntity entity = response.getEntity(); if (entity != null) { //这里可以得到文件的类型 如image/jpg /zip /tiff 等等 但是发现并不是十分有效，有时明明后缀是.rar但是取到的是null，这点特别说明 System.out.println(entity.getContentType()); //可以判断是否是文件数据流 System.out.println(entity.isStreaming()); //6.1 输出流 //6.1.1获取文件名，拼接文件路径 String fileName=getFileName(response); fileDir=fileDir+fileName; file = new File(fileDir); //6.1.2根据文件路径获取输出流 FileOutputStream output = new FileOutputStream(file); //6.2 输入流：从钉钉服务器返回的文件流，得到网络资源并写入文件 InputStream input = entity.getContent(); //6.3 将数据写入文件：将输入流中的数据写入到输出流 byte b[] = new byte[1024]; int j = 0; while( (j = input.read(b))!=-1){ output.write(b,0,j); } output.flush(); output.close(); } if (entity != null) { entity.consumeContent(); } } } catch (IOException e) { System.out.println("request url=" + url + ", exception, msg=" + e.getMessage()); e.printStackTrace(); } finally { if (response != null) try { response.close(); //释放资源 } catch (IOException e) { e.printStackTrace(); } } return file; } /** 5. 获取response header中Content-Disposition中的filename值 * @desc ： * * @param response 响应 * @return String */ public static String getFileName(HttpResponse response) { Header contentHeader = response.getFirstHeader("Content-Disposition"); String filename = null; if (contentHeader != null) { HeaderElement[] values = contentHeader.getElements(); if (values.length == 1) { NameValuePair param = values[0].getParameterByName("filename"); if (param != null) { try { //filename = new String(param.getValue().toString().getBytes(), "utf-8"); //filename=URLDecoder.decode(param.getValue(),"utf-8"); filename = param.getValue(); } catch (Exception e) { e.printStackTrace(); } } } } return filename; } }
2.Token工具类—AuthHelper.java
package com.ray.weixin.gz.util; import java.io.UnsupportedEncodingException; import java.net.URLDecoder; import java.security.MessageDigest; import java.security.NoSuchAlgorithmException; import java.util.Arrays; import java.util.Formatter; import java.util.UUID; import javax.servlet.http.HttpServletRequest; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import com.alibaba.fastjson.JSONObject; import com.ray.weixin.gz.config.Env; import com.ray.weixin.gz.service.invoice.InvoiceService; /** * 微信公众号 Token、配置工具类 * @desc : AccessToken、Jsticket 、Jsapi * * @author: shirayner * @date : 2017年9月27日 下午5:00:25 */ public class AuthHelper { private static final Logger logger = LogManager.getLogger(AuthHelper.class); //1.获取access_token的接口地址,有效期为7200秒 private static final String GET_ACCESSTOKEN_URL="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=APPID&secret=APPSECRET"; //2.获取getJsapiTicket的接口地址,有效期为7200秒 private static final String GET_JSAPITICKET_URL="https://api.weixin.qq.com/cgi-bin/ticket/getticket?access_token=ACCESS_TOKEN&type=jsapi"; //3.通过code换取网页授权access_token private static final String GET_ACCESSTOKEN_BYCODE_URL="https://api.weixin.qq.com/sns/oauth2/access_token?appid=APPID&secret=SECRET&code=CODE&grant_type=authorization_code"; /** * @desc ：1.获取access_token * * @param appId 第三方用户唯一凭证 * @param appSecret 第三方用户唯一凭证密钥，即appsecret * * @return * access_token 获取到的凭证 * expires_in 凭证有效时间，单位：秒 * @throws Exception String */ public static String getAccessToken(String appId,String appSecret) throws Exception { //1.获取请求url String url=GET_ACCESSTOKEN_URL.replace("APPID", appId).replace("APPSECRET", appSecret); //2.发起GET请求，获取返回结果 JSONObject jsonObject=HttpHelper.doGet(url); logger.info("jsonObject:"+jsonObject.toJSONString()); //3.解析结果，获取accessToken String accessToken=""; if (null != jsonObject) { //4.错误消息处理 if (jsonObject.getInteger("errcode")!=null && 0 != jsonObject.getInteger("errcode")) { int errCode = jsonObject.getInteger("errcode"); String errMsg = jsonObject.getString("errmsg"); throw new Exception("error code:"+errCode+", error message:"+errMsg); //5.成功获取accessToken }else { accessToken=jsonObject.getString("access_token"); } } return accessToken; } /** * @desc ：2.获取JsapiTicket * * @param accessToken 有效凭证 * @return * @throws Exception String */ public static String getJsapiTicket(String accessToken) throws Exception { //1.获取请求url String url=GET_JSAPITICKET_URL.replace("ACCESS_TOKEN", accessToken); //2.发起GET请求，获取返回结果 JSONObject jsonObject=HttpHelper.doGet(url); logger.info("jsonObject:"+jsonObject.toJSONString()); //3.解析结果，获取accessToken String jsapiTicket=""; if (null != jsonObject) { //4.错误消息处理 if (jsonObject.getInteger("errcode")!=null && 0 != jsonObject.getInteger("errcode")) { int errCode = jsonObject.getInteger("errcode"); String errMsg = jsonObject.getString("errmsg"); throw new Exception("error code:"+errCode+", error message:"+errMsg); //5.成功获取jsapiTicket }else { jsapiTicket=jsonObject.getString("ticket"); } } return jsapiTicket; } /** * @desc ： 3.通过code换取网页授权access_token * * @param appId 第三方用户唯一凭证 * @param appSecret 第三方用户唯一凭证密钥，即appsecret * @param Code code作为换取access_token的票据，每次用户授权带上的code将不一样，code只能使用一次，5分钟未被使用自动过期。 * * @return * access_token 网页授权接口调用凭证,注意：此access_token与基础支持的access_token不同 * expires_in access_token接口调用凭证超时时间，单位（秒） * refresh_token 用户刷新access_token * openid 用户唯一标识，请注意，在未关注公众号时，用户访问公众号的网页，也会产生一个用户和公众号唯一的OpenID * scope 用户授权的作用域，使用逗号（,）分隔 * * @throws Exception String */ public static JSONObject getAccessTokenByCode(String appId,String appSecret,String code) throws Exception { //1.获取请求url String url=GET_ACCESSTOKEN_BYCODE_URL.replace("APPID", appId).replace("SECRET", appSecret).replace("CODE", code); //2.发起GET请求，获取返回结果 JSONObject jsonObject=HttpHelper.doGet(url); logger.info("jsonObject:"+jsonObject.toJSONString()); //3.解析结果，获取accessToken JSONObject returnJsonObject=null; if (null != jsonObject) { //4.错误消息处理 if (jsonObject.getInteger("errcode")!=null && 0 != jsonObject.getInteger("errcode")) { int errCode = jsonObject.getInteger("errcode"); String errMsg = jsonObject.getString("errmsg"); throw new Exception("error code:"+errCode+", error message:"+errMsg); //5.成功获取accessToken }else { returnJsonObject=jsonObject; } } return returnJsonObject; } /** * @desc ：4.获取前端jsapi需要的配置参数 * * @param request * @return String */ public static String getJsapiConfig(HttpServletRequest request){ //1.准备好参与签名的字段 //1.1 url /* *以http://localhost/test.do?a=b&c=d为例 *request.getRequestURL的结果是http://localhost/test.do *request.getQueryString的返回值是a=b&c=d */ String urlString = request.getRequestURL().toString(); String queryString = request.getQueryString(); String queryStringEncode = null; String url; if (queryString != null) { queryStringEncode = URLDecoder.decode(queryString); url = urlString + "?" + queryStringEncode; } else { url = urlString; } //1.2 noncestr String nonceStr=UUID.randomUUID().toString(); //随机数 //1.3 timestamp long timeStamp = System.currentTimeMillis() / 1000; //时间戳参数 String signedUrl = url; String accessToken = null; String ticket = null; String signature = null; //签名 try { //1.4 jsapi_ticket accessToken=getAccessToken(Env.APP_ID, Env.APP_SECRET); ticket=getJsapiTicket(accessToken); //2.进行签名，获取signature signature=getSign(ticket,nonceStr,timeStamp,signedUrl); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } logger.info("accessToken:"+accessToken); logger.info("ticket:"+ticket); logger.info("nonceStr:"+nonceStr); logger.info("timeStamp:"+timeStamp); logger.info("signedUrl:"+signedUrl); logger.info("signature:"+signature); logger.info("appId:"+Env.APP_ID); String configValue = "{signature:'" + signature + "',nonceStr:'" + nonceStr + "',timeStamp:'" + timeStamp + "',appId:'" + Env.APP_ID + "'}"; logger.info("configValue:"+configValue); return configValue; } /** * @desc ： 4.1 生成签名的函数 * * @param ticket jsticket * @param nonceStr 随机串，自己定义 * @param timeStamp 生成签名用的时间戳 * @param url 需要进行免登鉴权的页面地址，也就是执行dd.config的页面地址 * @return * @throws Exception String */ public static String getSign(String jsTicket, String nonceStr, Long timeStamp, String url) throws Exception { String plainTex = "jsapi_ticket=" + jsTicket + "&noncestr=" + nonceStr + "×tamp=" + timeStamp + "&url=" + url; System.out.println(plainTex); try { MessageDigest crypt = MessageDigest.getInstance("SHA-1"); crypt.reset(); crypt.update(plainTex.getBytes("UTF-8")); return byteToHex(crypt.digest()); } catch (NoSuchAlgorithmException e) { throw new Exception(e.getMessage()); } catch (UnsupportedEncodingException e) { throw new Exception(e.getMessage()); } } /** * @desc ：4.2 将bytes类型的数据转化为16进制类型 * * @param hash * @return * String */ private static String byteToHex(byte[] hash) { Formatter formatter = new Formatter(); for (byte b : hash) { formatter.format("%02x", new Object[] { Byte.valueOf(b) }); } String result = formatter.toString(); formatter.close(); return result; } /** 5.获取前端所需发票签名参数 * * @desc ： *(1)将 api_ticket、appid、timestamp、nonceStr、cardType的value值进行字符串的字典序排序。 *(2)再将所有参数字符串拼接成一个字符串进行sha1加密，得到cardSign。 * * @return String * timestamp ：卡券签名时间戳 nonceStr : 卡券签名随机串 signType : 签名方式，默认'SHA1' cardSign : 卡券签名 * */ public static String getInvoiceConfig(){ //1.准备好签名参数 //1.1 api_ticket 授权页ticket String apiTicket=null; try { String accessToken = AuthHelper.getAccessToken(Env.APP_ID, Env.APP_SECRET); apiTicket=InvoiceService.getAuthPageTicket(accessToken); } catch (Exception e) { logger.info("获取授权页ticket失败"); e.printStackTrace(); } //1.2 appid String appId=Env.APP_ID; //1.3 timestamp 时间戳 String timeStamp = System.currentTimeMillis() / 1000 +""; //1.4 nonceStr 随机数 String nonceStr=UUID.randomUUID().toString(); //1.5 cardType String cardType="INVOICE"; //2.获取签名 String cardSign=null; try { cardSign = AuthHelper.getCardSign(apiTicket, appId, timeStamp, nonceStr, cardType); } catch (Exception e) { logger.info("获取发票签名失败"); e.printStackTrace(); } String signType="SHA1"; logger.info("apiTicket:"+apiTicket); logger.info("appId:"+appId); logger.info("timeStamp:"+timeStamp); logger.info("nonceStr:"+nonceStr); logger.info("cardType:"+cardType); logger.info("cardSign:"+cardSign); logger.info("signType:"+signType); //3.返回前端所需发票签名参数 JSONObject jsonObject=new JSONObject(); jsonObject.put("timestamp", timeStamp); jsonObject.put("nonceStr",nonceStr ); jsonObject.put("signType",signType ); jsonObject.put("cardSign", cardSign); String configValue = jsonObject.toJSONString(); logger.info("configValue:"+configValue); return configValue; } /** * @desc ：5.1获取发票签名 * * @param apiTicket 授权页ticket，见InvoiceService * @param appId * @param timeStamp 时间戳 * @param nonceStr 随机串 * @param cardType 填入INVOICE * @return * @throws Exception * String */ public static String getCardSign(String apiTicket, String appId, String timeStamp, String nonceStr,String cardType) throws Exception { //1.将 api_ticket、appid、timestamp、nonceStr、cardType的value值进行字符串的字典序排序。 //注意：是value值值 String[] array = new String[] { apiTicket, appId, timeStamp, nonceStr,cardType}; StringBuffer sb = new StringBuffer(); // 字符串排序 Arrays.sort(array); for (int i = 0; i < 5; i++) { sb.append(array[i]); } String plainTex = sb.toString(); //String plainTex = apiTicket+appId+cardType+nonceStr+timeStamp; System.out.println("plainTex:"+plainTex); try { MessageDigest crypt = MessageDigest.getInstance("SHA-1"); crypt.reset(); crypt.update(plainTex.getBytes("UTF-8")); return byteToHex(crypt.digest()); } catch (NoSuchAlgorithmException e) { throw new Exception(e.getMessage()); } catch (UnsupportedEncodingException e) { throw new Exception(e.getMessage()); } } public static String getSHA1(String apiTicket, String appId, String timeStamp, String nonceStr,String cardType) throws Exception{ System.out.println("getSHA1-----------"); try { String[] array = new String[] { apiTicket, appId, timeStamp, nonceStr,cardType}; StringBuffer sb = new StringBuffer(); // 字符串排序 Arrays.sort(array); for (int i = 0; i < 5; i++) { sb.append(array[i]); } String str = sb.toString(); logger.info("str:"+str); // SHA1签名生成 MessageDigest md = MessageDigest.getInstance("SHA-1"); md.update(str.getBytes()); byte[] digest = md.digest(); StringBuffer hexstr = new StringBuffer(); String shaHex = ""; for (int i = 0; i < digest.length; i++) { shaHex = Integer.toHexString(digest[i] & 0xFF); if (shaHex.length() < 2) { hexstr.append(0); } hexstr.append(shaHex); } return hexstr.toString(); } catch (Exception e) { e.printStackTrace(); throw new Exception("获取发票签名失败"); } } }
3.素材管理业务类—TempMaterialService.java
package com.ray.weixin.gz.service.tempmaterial; import java.io.File; import java.util.HashMap; import java.util.Map; import org.apache.logging.log4j.LogManager; import org.apache.logging.log4j.Logger; import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONObject; import com.ray.weixin.gz.util.HttpHelper; /**@desc : 素材管理 * * @author: shirayner * @date : 2017年11月1日 上午10:16:00 */ public class TempMaterialService { private static final Logger logger = LogManager.getLogger(TempMaterialService.class); //1.新增临时素材 private static final String UPLOAD_TEMPMATERIAL_URL="https://api.weixin.qq.com/cgi-bin/media/upload?access_token=ACCESS_TOKEN&type=TYPE"; //2.获取临时素材 ( 即为原“下载多媒体文件”接口 ) private static final String GET_TEMPMATERIAL_URL="https://api.weixin.qq.com/cgi-bin/media/get?access_token=ACCESS_TOKEN&media_id=MEDIA_ID"; //3.新增永久素材(上传)——上传永久图片——上传图文消息内的图片获取URL private static final String UPLOAD_PERMANENT_IMG_URL="https://api.weixin.qq.com/cgi-bin/media/uploadimg?access_token=ACCESS_TOKEN"; //4.新增永久素材(上传)——新增其他类型永久素材(image、voice、video、thumb) private static final String UPLOAD_PERMANENT_MATERIAL_URL="https://api.weixin.qq.com/cgi-bin/material/add_material?access_token=ACCESS_TOKEN&type=TYPE"; //5.获取永久素材列表 private static final String LIST_PERMANENT_MATERIAL_URL="https://api.weixin.qq.com/cgi-bin/material/batchget_material?access_token=ACCESS_TOKEN"; //6.获取永久素材(下载) private static final String GET_PERMANENT_MATERIAL_URL="https://api.weixin.qq.com/cgi-bin/material/get_material?access_token=ACCESS_TOKEN"; //7.删除永久素材 private static final String DELETE_PERMANENT_MATERIAL_URL="https://api.weixin.qq.com/cgi-bin/material/del_material?access_token=ACCESS_TOKEN"; /** 1.新增临时素材 * * @desc ： * 1、临时素材media_id是可复用的。 * 2、媒体文件在微信后台保存时间为3天，即3天后media_id失效。 * 3、上传临时素材的格式、大小限制与公众平台官网一致。 * 图片（image）: 2M，支持PNG\JPEG\JPG\GIF格式 * 语音（voice）：2M，播放长度不超过60s，支持AMR\MP3格式 * 视频（video）：10MB，支持MP4格式 * 缩略图（thumb）：64KB，支持JPG格式 * * @param accessToken 有效凭证 * @param type 媒体文件类型，分别有图片（image）、语音（voice）、视频（video）和缩略图（thumb） * @param fileDir 要上传文件所在路径 * @return * @throws Exception JSONObject */ public static JSONObject uploadTempMaterial(String accessToken,String type,String fileDir) throws Exception { //1.创建本地文件 File file=new File(fileDir); //2.拼接请求url String url = UPLOAD_TEMPMATERIAL_URL.replace("ACCESS_TOKEN", accessToken).replace("TYPE", type); //3.调用接口，发送请求，上传文件到微信服务器 JSONObject jsonObject=HttpHelper.uploadMedia(url, file); logger.info("JsonObject:"+jsonObject.toJSONString()); //4.解析结果 if (jsonObject != null) { if (jsonObject.getString("media_id") != null) { logger.info("上传" + type + "临时素材成功:"+jsonObject.get("media_id")); return jsonObject; //5.错误消息处理 } else { logger.error("上传" + type + "临时素材成功失败"); } } return null; } /** * @desc ：2.获取临时素材 * * @param accessToken 调用接口凭证 * @param mediaId 媒体文件ID * @param fileDir 文件下载路径（文件所在文件夹路径）,如 D:/img/download/,会与文件名拼接成文件下载路径 * @return * @throws Exception File */ public static File getTempMaterial(String accessToken,String mediaId,String fileDir) throws Exception { //1.拼接请求url String url = GET_TEMPMATERIAL_URL.replace("ACCESS_TOKEN", accessToken).replace("MEDIA_ID", mediaId); //2.调用接口，发送请求，下载文件到本地 File file=HttpHelper.downloadMedia(url, fileDir); logger.info("fileName:"+file.getName()); return file; } /** 3.新增永久素材——上传永久图片——上传图文消息内的图片获取URL * @desc ： * * @param accessToken * @param fileDir * @return * @throws Exception String */ public static String uploadPermanentImg(String accessToken,String fileDir) throws Exception { //1.创建本地文件 File file=new File(fileDir); //2.拼接请求url String url = UPLOAD_PERMANENT_IMG_URL.replace("ACCESS_TOKEN", accessToken); //3.调用接口，发送请求，上传文件到微信服务器 JSONObject jsonObject=HttpHelper.uploadMedia(url, file); logger.info("JsonObject:"+jsonObject.toJSONString()); String ImgUrl=null; //4.解析结果 if (jsonObject != null) { if (jsonObject.getString("url") != null) { ImgUrl=jsonObject.getString("url"); logger.info("新增永久素材成功:"+ImgUrl); //5.错误消息处理 } else { logger.info("新增永久素材失败"); } } return ImgUrl; } /** * @desc ： 4.新增永久素材——新增其他类型永久素材(image、voice、thumb) * * @param accessToken 调用接口凭证 * @param type 媒体文件类型，分别有图片（image）、语音（voice）、视频（video）和缩略图（thumb） * @param fileDir 本地图片路径 * * @return * media_id 新增的永久素材的media_id * url 新增的图片素材的图片URL（仅新增图片素材时会返回该字段） * * @throws Exception String */ public static JSONObject uploadPermanentMaterial(String accessToken,String type,String fileDir) throws Exception { //1.创建本地文件 File file=new File(fileDir); //2.拼接请求url String url = UPLOAD_PERMANENT_MATERIAL_URL.replace("ACCESS_TOKEN", accessToken).replace("TYPE", type); //3.调用接口，发送请求，上传文件到微信服务器 JSONObject jsonObject=HttpHelper.uploadMedia(url, file); logger.info("JsonObject:"+jsonObject.toJSONString()); //4.解析结果 JSONObject returnJsonObject=null; if (jsonObject != null) { if (jsonObject.getString("media_id") != null) { logger.info("新增永久素材成功:"+jsonObject.getString("media_id")); returnJsonObject= jsonObject; //5.错误消息处理 } else { int errCode = jsonObject.getInteger("errcode"); String errMsg = jsonObject.getString("errmsg"); logger.error("新增永久素材失败"+" errcode:"+errCode+", errmsg:"+errMsg); } } return returnJsonObject; } /** * @desc ：5.获取永久素材列表 * * @param accessToken 调用接口凭证 * @param type 素材的类型，图片（image）、视频（video）、语音 （voice）、图文（news） * @param offset 从全部素材的该偏移位置开始返回，0表示从第一个素材 返回 * @param count 返回素材的数量，取值在1到20之间 * @return * @throws Exception JSONObject */ public static JSONObject listPermanentMaterial(String accessToken, String type, String offset,String count) throws Exception { //1.准备好json请求参数 Map<String,String> paramMap=new HashMap<String,String>(); paramMap.put("type", type); paramMap.put("offset", offset); paramMap.put("count", count); Object data=JSON.toJSON(paramMap); //2.准备好请求url String url=LIST_PERMANENT_MATERIAL_URL.replace("ACCESS_TOKEN", accessToken); //3.发起HTTP请求，获取返回结果 JSONObject jsonObject=HttpHelper.doPost(url, data); logger.info("jsonObject:"+jsonObject.toJSONString()); //4.解析结果 JSONObject returnJsonObject=null; if (jsonObject != null) { //4.1 错误消息处理 if (jsonObject.getInteger("errcode") != null) { int errCode = jsonObject.getInteger("errcode"); String errMsg = jsonObject.getString("errmsg"); logger.error("获取永久素材列表失败 "+"errcode:"+errCode+", errmsg:"+errMsg); //4.2 新增成功 } else { logger.info("获取永久素材列表成功 "); returnJsonObject= jsonObject; } } return returnJsonObject; } /** * @desc ：6.获取永久素材 * * @param accessToken 调用接口凭证 * @param mediaId 媒体文件ID * @param fileDir 文件下载路径（文件所在文件夹路径）,如 D:/img/download/,会与文件名拼接成文件下载路径 * @return * @throws Exception File */ public static File getPermanentMaterial(String accessToken, String mediaId,String fileDir) throws Exception { //1.准备好json请求参数 Map<String,String> paramMap=new HashMap<String,String>(); paramMap.put("media_id", mediaId); Object data=JSON.toJSON(paramMap); //2.准备好请求url String url=GET_PERMANENT_MATERIAL_URL.replace("ACCESS_TOKEN", accessToken); //3.调用接口，发送HTTP请求，下载文件到本地 File file=HttpHelper.downloadMedia(url, data,fileDir); logger.info("fileName:"+file.getName()); return file; } /** * @desc ：7.删除永久素材 * * @param accessToken 调用接口凭证 * @param mediaId 媒体文件ID * @return * * @throws Exception JSONObject */ public static JSONObject deletePermanentMaterial(String accessToken, String mediaId) throws Exception { //1.准备好json请求参数 Map<String,String> paramMap=new HashMap<String,String>(); paramMap.put("media_id", mediaId); Object data=JSON.toJSON(paramMap); //2.准备好请求url String url=DELETE_PERMANENT_MATERIAL_URL.replace("ACCESS_TOKEN", accessToken); //3.发起HTTP请求，获取返回结果 JSONObject jsonObject=HttpHelper.doPost(url, data); logger.info("jsonObject:"+jsonObject.toJSONString()); //4.解析结果 JSONObject returnJsonObject=null; if (jsonObject != null) { //4.1 错误消息处理 if (jsonObject.getInteger("errcode") != 0) { int errCode = jsonObject.getInteger("errcode"); String errMsg = jsonObject.getString("errmsg"); logger.error("删除永久素材失败 "+"errcode:"+errCode+", errmsg:"+errMsg); //4.2 新增成功 } else { logger.info("删除永久素材成功 "); returnJsonObject= jsonObject; } } return returnJsonObject; } }
4.素材管理测试类—TempMaterialServiceTest.java
package com.ray.weixin.gz.service.tempmaterial; import org.junit.Test; import com.ray.weixin.gz.config.Env; import com.ray.weixin.gz.service.tempmaterial.TempMaterialService; import com.ray.weixin.gz.util.AuthHelper; /**@desc : 素材管理 * * @author: shirayner * @date : 2017年11月1日 上午10:30:13 */ public class TempMaterialServiceTest { /** * @desc ： 1.新增临时素材 * * @throws Exception void */ @Test public void testUploadTempMaterial() throws Exception { String accessToken=AuthHelper.getAccessToken(Env.APP_ID, Env.APP_SECRET); String type="image"; //String fileDir="D:/img/1.jpg"; //5BXY7DI-uz3N-m8HuZP3Lqzy-WrtegzUKW04OcLNlUjMBcyEyCdgorBsotQqpH0r String fileDir="D:/img/2.png"; //bdARqt5NClDYbP_og5NwBRwO4sCIIwF1ZeVQQKTvB1bkn2rL9Yq52Y6S656lTxf1 TempMaterialService.uploadTempMaterial(accessToken, type, fileDir); } /** * @desc ： 2.获取临时素材 * * @throws Exception void */ @Test public void testGetTempMaterial() throws Exception { String accessToken=AuthHelper.getAccessToken(Env.APP_ID, Env.APP_SECRET); // String mediaId="5BXY7DI-uz3N-m8HuZP3Lqzy-WrtegzUKW04OcLNlUjMBcyEyCdgorBsotQqpH0r"; // D:/img/1.jpg String mediaId="4nPOsc2NL2e5MfRB3ePannbbuRrz0ZKi3udO4sP-6Nf7-SFJXM6D4sOyf1d_Khic"; // D:/img/2.png String fileDir="D:/img/download/"; TempMaterialService.getTempMaterial(accessToken, mediaId, fileDir); } /** * @desc ： 3.新增永久素材——上传永久图片——上传图文消息内的图片获取URL * * @throws Exception void */ @Test public void testUploadPermanentImg() throws Exception { String accessToken=AuthHelper.getAccessToken(Env.APP_ID, Env.APP_SECRET); //String fileDir="D:/img/1.jpg"; String fileDir="D:/img/2.png"; TempMaterialService.uploadPermanentImg(accessToken, fileDir); } /** * @desc ： 4.新增永久素材——新增其他类型永久素材(image、voice、thumb) * * @throws Exception void */ @Test public void testUploadPermanentMaterial() throws Exception { String accessToken=AuthHelper.getAccessToken(Env.APP_ID, Env.APP_SECRET); String type="image"; //String fileDir="D:/img/1.jpg"; String fileDir="D:/img/2.png"; TempMaterialService.uploadPermanentMaterial(accessToken, type, fileDir); } /** * @desc ： 5.获取永久素材列表 * * @throws Exception void */ @Test public void testListPermanentMaterial() throws Exception { String accessToken=AuthHelper.getAccessToken(Env.APP_ID, Env.APP_SECRET); String type="image"; String offset="0"; String count="2"; TempMaterialService.listPermanentMaterial(accessToken, type, offset, count); } /** * @desc ：6.获取永久素材 * * @throws Exception void */ @Test public void testGetPermanentMaterial() throws Exception { String accessToken=AuthHelper.getAccessToken(Env.APP_ID, Env.APP_SECRET); String mediaId="NFREZRuTaNgMSgnxT5agYkff8xLCKRjZPMXhS-lT6aE"; String fileDir="D:/img/download/"; TempMaterialService.getPermanentMaterial(accessToken, mediaId, fileDir); } /** * @desc ：7.删除永久素材 * * @throws Exception void */ @Test public void testDeletePermanentMaterial() throws Exception { String accessToken=AuthHelper.getAccessToken(Env.APP_ID, Env.APP_SECRET); String mediaId="NFREZRuTaNgMSgnxT5agYkff8xLCKRjZPMXhS-lT6aE"; TempMaterialService.deletePermanentMaterial(accessToken, mediaId); } }
