package com.image; import java.awt.image.BufferedImage; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; import java.net.URL; import java.util.HashMap; import java.util.Map; import javax.imageio.ImageIO; import org.apache.http.HttpResponse; import org.apache.http.util.EntityUtils; import com.google.gson.Gson; import static org.apache.commons.codec.binary.Base64.encodeBase64; public class AliyunImages { /** * * @Title: test1 * @Description: 识别图片文字 * @param: * @author zique * @return void * @date 2018年4月20日 下午6:04:32 */ /** * 重要提示如下: HttpUtils请从 * https://github.com/aliyun/api-gateway-demo-sign-java/blob/master/src/main/java/com/aliyun/api/gateway/demo/util/HttpUtils.java * 下载 * * 相应的依赖请参照 * https://github.com/aliyun/api-gateway-demo-sign-java/blob/master/pom.xml */ public static void main(String[] args) { String host = "https://ocrapi-document.taobao.com"; String path = "/ocrservice/document"; String method = "POST"; String appcode = "后台可看到的appcode";//阿里云的appCode Map<String, String> headers = new HashMap<String, String>(); // 最后在header中的格式(中间是英文空格)为Authorization:APPCODE 83359fd73fe94948385f570e3c139105 headers.put("Authorization", "APPCODE " + appcode); // 网络图片路径 // String // url="https://ss3.baidu.com/-rVXeDTa2gU2pMbgoY3K/it/u=2529262901,1309013979&fm=202&mola=new&crop=v1"; String picture = "D:\软件安装\美图秀秀\Meitu\XiuXiu\Images\UI\btn_clip_down.png"; try { // 获取网络图片 // byte[] imageFromNetByUrl = getImageFromNetByUrl(url); // 获取本地图片 byte[] content = ReadImages(picture); String encode = new String(encodeBase64(content)); // 根据API的要求,定义相对应的Content-Type headers.put("Content-Type", "application/json; charset=UTF-8"); Map<String, String> querys = new HashMap<String, String>(); Map<String, String> objBodys = new HashMap<String, String>(); objBodys.put("img", encode);// 二进制图片 // objBodys.put("url",url ); Gson gson = new Gson(); String bodys = gson.toJson(objBodys); // String bodys = // "{//图像数据:base64编码,要求base64编码后大小不超过4M,最短边至少15px,最长边最大4096px,支持jpg/png/bmp格式,和url参数只能同时存在一个"img":"",//图像url地址:图片完整URL,URL长度不超过1024字节,URL对应的图片base64编码后大小不超过4M,最短边至少15px,最长边最大4096px,支持jpg/png/bmp格式,和img参数只能同时存在一个"url":"",//是否需要识别结果中每一行的置信度,默认不需要。true:需要false:不需要"prob":false}"; HttpResponse response = HttpUtils.doPost(host, path, method, headers, querys, bodys); int statusCode = response.getStatusLine().getStatusCode(); System.out.println(EntityUtils.toString(response.getEntity())); System.out.println(response.toString() + "返回的状态码" + statusCode); // 获取response的body // System.out.println(EntityUtils.toString(response.getEntity())); } catch (Exception e) { e.printStackTrace(); } } /** * @author 将图片转换成二进制 * @created 2018/6/11 * @version V2.6 */ public static byte[] getImageFromNetByUrl(String strUrl) throws Exception { try { if (null == strUrl) { return null; } URL url = new URL(strUrl); HttpURLConnection conn = (HttpURLConnection) url.openConnection(); conn.setRequestMethod("GET"); conn.setConnectTimeout(5 * 1000); InputStream inStream = conn.getInputStream();// 通过输入流获取图片数据 byte[] btImg = readInputStream(inStream);// 得到图片的二进制数据 return btImg; } catch (Exception e) { e.printStackTrace(); return null; } } /** * * @Title: readInputStream * @Description: 读取图片,将图片转换成二进制 * @param: @param * inStream * @param: @return * @param: @throws * Exception * @author zique * @return byte[] * @date 2018年7月20日 下午6:45:47 */ public static byte[] readInputStream(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); } inStream.close(); return outStream.toByteArray(); } /** * "C:\Users\Administrator\Desktop\file.jpg" * * @Title: ReadImages * @Description: 将本地图片转换成二进制 * @param: @return * @author zique * @return byte[] * @date 2018年7月23日 上午9:27:54 */ public static byte[] ReadImages(String images) { File f = new File(images); BufferedImage bi; try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) { // 获取图片的后缀名 String name = f.getName().substring(f.getName().indexOf(".") + 1, f.getName().length()); bi = ImageIO.read(f); ImageIO.write(bi, name, baos); // 经测试转换的图片是格式这里就什么格式,否则会失真 byte[] bytes = baos.toByteArray(); return bytes; } catch (IOException e) { e.printStackTrace(); } return null; } }
HttpUtils需要使用到下面的依赖
package com.image; import java.io.UnsupportedEncodingException; import java.net.URLEncoder; import java.security.KeyManagementException; import java.security.NoSuchAlgorithmException; import java.security.cert.X509Certificate; import java.util.ArrayList; import java.util.List; import java.util.Map; import javax.net.ssl.SSLContext; import javax.net.ssl.TrustManager; import javax.net.ssl.X509TrustManager; import org.apache.commons.lang3.StringUtils; import org.apache.http.HttpResponse; import org.apache.http.NameValuePair; import org.apache.http.client.HttpClient; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.HttpDelete; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.client.methods.HttpPut; import org.apache.http.conn.ClientConnectionManager; import org.apache.http.conn.scheme.Scheme; import org.apache.http.conn.scheme.SchemeRegistry; import org.apache.http.conn.ssl.SSLSocketFactory; import org.apache.http.entity.ByteArrayEntity; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.message.BasicNameValuePair; public class HttpUtils { /** * get * * @param host * @param path * @param method * @param headers * @param querys * @return * @throws Exception */ public static HttpResponse doGet(String host, String path, String method, Map<String, String> headers, Map<String, String> querys) throws Exception { HttpClient httpClient = wrapClient(host); HttpGet request = new HttpGet(buildUrl(host, path, querys)); for (Map.Entry<String, String> e : headers.entrySet()) { request.addHeader(e.getKey(), e.getValue()); } return httpClient.execute(request); } /** * post form * * @param host * @param path * @param method * @param headers * @param querys * @param bodys * @return * @throws Exception */ public static HttpResponse doPost(String host, String path, String method, Map<String, String> headers, Map<String, String> querys, Map<String, String> bodys) throws Exception { HttpClient httpClient = wrapClient(host); HttpPost request = new HttpPost(buildUrl(host, path, querys)); for (Map.Entry<String, String> e : headers.entrySet()) { request.addHeader(e.getKey(), e.getValue()); } if (bodys != null) { List<NameValuePair> nameValuePairList = new ArrayList<NameValuePair>(); for (String key : bodys.keySet()) { nameValuePairList.add(new BasicNameValuePair(key, bodys.get(key))); } UrlEncodedFormEntity formEntity = new UrlEncodedFormEntity(nameValuePairList, "utf-8"); formEntity.setContentType("application/x-www-form-urlencoded; charset=UTF-8"); request.setEntity(formEntity); } return httpClient.execute(request); } /** * Post String * * @param host * @param path * @param method * @param headers * @param querys * @param body * @return * @throws Exception */ public static HttpResponse doPost(String host, String path, String method, Map<String, String> headers, Map<String, String> querys, String body) throws Exception { HttpClient httpClient = wrapClient(host); HttpPost request = new HttpPost(buildUrl(host, path, querys)); for (Map.Entry<String, String> e : headers.entrySet()) { request.addHeader(e.getKey(), e.getValue()); } if (StringUtils.isNotBlank(body)) { request.setEntity(new StringEntity(body, "utf-8")); } return httpClient.execute(request); } /** * Post stream * * @param host * @param path * @param method * @param headers * @param querys * @param body * @return * @throws Exception */ public static HttpResponse doPost(String host, String path, String method, Map<String, String> headers, Map<String, String> querys, byte[] body) throws Exception { HttpClient httpClient = wrapClient(host); HttpPost request = new HttpPost(buildUrl(host, path, querys)); for (Map.Entry<String, String> e : headers.entrySet()) { request.addHeader(e.getKey(), e.getValue()); } if (body != null) { request.setEntity(new ByteArrayEntity(body)); } return httpClient.execute(request); } /** * Put String * @param host * @param path * @param method * @param headers * @param querys * @param body * @return * @throws Exception */ public static HttpResponse doPut(String host, String path, String method, Map<String, String> headers, Map<String, String> querys, String body) throws Exception { HttpClient httpClient = wrapClient(host); HttpPut request = new HttpPut(buildUrl(host, path, querys)); for (Map.Entry<String, String> e : headers.entrySet()) { request.addHeader(e.getKey(), e.getValue()); } if (StringUtils.isNotBlank(body)) { request.setEntity(new StringEntity(body, "utf-8")); } return httpClient.execute(request); } /** * Put stream * @param host * @param path * @param method * @param headers * @param querys * @param body * @return * @throws Exception */ public static HttpResponse doPut(String host, String path, String method, Map<String, String> headers, Map<String, String> querys, byte[] body) throws Exception { HttpClient httpClient = wrapClient(host); HttpPut request = new HttpPut(buildUrl(host, path, querys)); for (Map.Entry<String, String> e : headers.entrySet()) { request.addHeader(e.getKey(), e.getValue()); } if (body != null) { request.setEntity(new ByteArrayEntity(body)); } return httpClient.execute(request); } /** * Delete * * @param host * @param path * @param method * @param headers * @param querys * @return * @throws Exception */ public static HttpResponse doDelete(String host, String path, String method, Map<String, String> headers, Map<String, String> querys) throws Exception { HttpClient httpClient = wrapClient(host); HttpDelete request = new HttpDelete(buildUrl(host, path, querys)); for (Map.Entry<String, String> e : headers.entrySet()) { request.addHeader(e.getKey(), e.getValue()); } return httpClient.execute(request); } private static String buildUrl(String host, String path, Map<String, String> querys) throws UnsupportedEncodingException { StringBuilder sbUrl = new StringBuilder(); sbUrl.append(host); if (!StringUtils.isBlank(path)) { sbUrl.append(path); } if (null != querys) { StringBuilder sbQuery = new StringBuilder(); for (Map.Entry<String, String> query : querys.entrySet()) { if (0 < sbQuery.length()) { sbQuery.append("&"); } if (StringUtils.isBlank(query.getKey()) && !StringUtils.isBlank(query.getValue())) { sbQuery.append(query.getValue()); } if (!StringUtils.isBlank(query.getKey())) { sbQuery.append(query.getKey()); if (!StringUtils.isBlank(query.getValue())) { sbQuery.append("="); sbQuery.append(URLEncoder.encode(query.getValue(), "utf-8")); } } } if (0 < sbQuery.length()) { sbUrl.append("?").append(sbQuery); } } return sbUrl.toString(); } private static HttpClient wrapClient(String host) { HttpClient httpClient = new DefaultHttpClient(); if (host.startsWith("https://")) { sslClient(httpClient); } return httpClient; } private static void sslClient(HttpClient httpClient) { try { SSLContext ctx = SSLContext.getInstance("TLS"); X509TrustManager tm = new X509TrustManager() { public X509Certificate[] getAcceptedIssuers() { return null; } public void checkClientTrusted(X509Certificate[] xcs, String str) { } public void checkServerTrusted(X509Certificate[] xcs, String str) { } }; ctx.init(null, new TrustManager[] { tm }, null); SSLSocketFactory ssf = new SSLSocketFactory(ctx); ssf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER); ClientConnectionManager ccm = httpClient.getConnectionManager(); SchemeRegistry registry = ccm.getSchemeRegistry(); registry.register(new Scheme("https", 443, ssf)); } catch (KeyManagementException ex) { throw new RuntimeException(ex); } catch (NoSuchAlgorithmException ex) { throw new RuntimeException(ex); } } }
package com.image;
import java.awt.image.BufferedImage;import java.io.ByteArrayOutputStream;import java.io.File;import java.io.IOException;import java.io.InputStream;import java.net.HttpURLConnection;import java.net.URL;import java.util.HashMap;import java.util.Map;import javax.imageio.ImageIO;import org.apache.http.HttpResponse;import org.apache.http.util.EntityUtils;import com.google.gson.Gson;import static org.apache.commons.codec.binary.Base64.encodeBase64;
public class AliyunImages {
/** * * @Title: test1 * @Description: 识别图片文字 * @param: * @author diyueyu * @return void * @date 2018年7月20日 下午6:04:32 *//** * 重要提示如下: HttpUtils请从 * https://github.com/aliyun/api-gateway-demo-sign-java/blob/master/src/main/java/com/aliyun/api/gateway/demo/util/HttpUtils.java * 下载 * * 相应的依赖请参照 * https://github.com/aliyun/api-gateway-demo-sign-java/blob/master/pom.xml */
public static void main(String[] args) {String host = "https://ocrapi-document.taobao.com";String path = "/ocrservice/document";String method = "POST";String appcode = "2c0edc09ff2449219e81df812a774f5b";//阿里云的appCodeMap<String, String> headers = new HashMap<String, String>();// 最后在header中的格式(中间是英文空格)为Authorization:APPCODE 83359fd73fe94948385f570e3c139105headers.put("Authorization", "APPCODE " + appcode);// 网络图片路径// String// url="https://ss3.baidu.com/-rVXeDTa2gU2pMbgoY3K/it/u=2529262901,1309013979&fm=202&mola=new&crop=v1";String picture = "D:\软件安装\美图秀秀\Meitu\XiuXiu\Images\UI\btn_clip_down.png";try {// 获取网络图片// byte[] imageFromNetByUrl = getImageFromNetByUrl(url);// 获取本地图片byte[] content = ReadImages(picture);String encode = new String(encodeBase64(content));
// 根据API的要求,定义相对应的Content-Typeheaders.put("Content-Type", "application/json; charset=UTF-8");Map<String, String> querys = new HashMap<String, String>();Map<String, String> objBodys = new HashMap<String, String>();
objBodys.put("img", encode);// 二进制图片// objBodys.put("url",url );Gson gson = new Gson();String bodys = gson.toJson(objBodys);
// String bodys =// "{//图像数据:base64编码,要求base64编码后大小不超过4M,最短边至少15px,最长边最大4096px,支持jpg/png/bmp格式,和url参数只能同时存在一个"img":"",//图像url地址:图片完整URL,URL长度不超过1024字节,URL对应的图片base64编码后大小不超过4M,最短边至少15px,最长边最大4096px,支持jpg/png/bmp格式,和img参数只能同时存在一个"url":"",//是否需要识别结果中每一行的置信度,默认不需要。true:需要false:不需要"prob":false}";
HttpResponse response = HttpUtils.doPost(host, path, method, headers, querys, bodys);
int statusCode = response.getStatusLine().getStatusCode();System.out.println(EntityUtils.toString(response.getEntity()));System.out.println(response.toString() + "返回的状态码" + statusCode);// 获取response的body// System.out.println(EntityUtils.toString(response.getEntity()));} catch (Exception e) {e.printStackTrace();}}
/** * @author 将图片转换成二进制 * @created 2018/6/11 * @version V2.6 */public static byte[] getImageFromNetByUrl(String strUrl) throws Exception {try {if (null == strUrl) {return null;}URL url = new URL(strUrl);HttpURLConnection conn = (HttpURLConnection) url.openConnection();conn.setRequestMethod("GET");conn.setConnectTimeout(5 * 1000);InputStream inStream = conn.getInputStream();// 通过输入流获取图片数据byte[] btImg = readInputStream(inStream);// 得到图片的二进制数据return btImg;} catch (Exception e) {e.printStackTrace();return null;}}
/** * * @Title: readInputStream * @Description: 读取图片,将图片转换成二进制 * @param: @param * inStream * @param: @return * @param: @throws * Exception * @author 狄跃宇 * @return byte[] * @date 2018年7月20日 下午6:45:47 */public static byte[] readInputStream(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);}inStream.close();return outStream.toByteArray();}
/** * "C:\Users\Administrator\Desktop\file.jpg" * * @Title: ReadImages * @Description: 将本地图片转换成二进制 * @param: @return * @author 狄跃宇 * @return byte[] * @date 2018年7月23日 上午9:27:54 */public static byte[] ReadImages(String images) {File f = new File(images);BufferedImage bi;try (ByteArrayOutputStream baos = new ByteArrayOutputStream()) {// 获取图片的后缀名String name = f.getName().substring(f.getName().indexOf(".") + 1, f.getName().length());bi = ImageIO.read(f);ImageIO.write(bi, name, baos); // 经测试转换的图片是格式这里就什么格式,否则会失真byte[] bytes = baos.toByteArray();return bytes;} catch (IOException e) {e.printStackTrace();}return null;}}