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名片识别接口的调用示例
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/*********************************这是请求的参数处理*************************************************/ //示例里面需要导入的包如果你没有，请自行去网上下载，其他异常可留言或在群里提问import java.io.File;import java.io.FileInputStream;import java.io.InputStream;import java.util.HashMap;import java.util.Map; import net.sf.json.JSONObject; import mons.codec.binary.Base64;import .PureNetUtil;public class CardAPIDemo { private static final String KEY="****f6e8cda2876336a7f3cd2dcc****";//这里替换成你的key private static final String URL="/hanvon/bcard/query"; private static final String PATH="D:\\1.jpg";//这里替换成你的图片地址 public static void main(String[] args) { JSONObject obj=JSONObject.fromObject(invoke()); System.out.println("result==>"+obj.getString("result")); } public static String invoke() { Mapparams=new HashMap(); File file=new File(PATH); InputStream in; String html=null; try { in = new FileInputStream(file); int i = in.available(); // 得到文件大小 byte data[] = new byte[i]; in.read(data); // 读数据 in.close(); params.put("key", KEY); Base64 base64=new Base64(true); params.put("image",base64.encodeToString(data));//image参数可不是你的图片地址 html= PureNetUtil.post(URL, params);//这里用到了一个我自己封装的网络请求类，见下文 } catch (Exception e) { e.printStackTrace(); } return html; }} /***********************************这是上面用到的网络请求工具类*************************************/import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.io.OutputStreamWriter;import .HttpURLConnection;import .URL;import java.text.SimpleDateFormat;import java.util.ArrayList;import java.util.Date;import java.util.List;import java.util.Map;import java.util.zip.GZIPInputStream; 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.HttpPost;import org.apache.http.impl.client.DefaultHttpClient;import org.apache.http.message.BasicNameValuePair; public class PureNetUtil { /*** 用来输出现在时间* @return*/ public static String currentTime(){ SimpleDateFormat sdformat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//24小时制 return sdformat.format(new Date()); } /*** get方法直接调用post方法* @param url 网络地址* @return 返回网络数据*/ public static String get(String url){ return post(url,null,null); } public static String get(String url,String charset){ return post(url,null,charset); } /*** 设定post方法获取网络资源,如果参数为null,实际上设定为get方法* @param url 网络地址* @param param 请求参数键值对* @return 返回读取数据*/ public static String post(String url,Mapparam,String outCharset){ if(outCharset==null||outCharset.equals("")){ outCharset="utf-8"; } HttpURLConnection conn=null; try { URL u=new URL(url); conn=(HttpURLConnection) u.openConnection(); conn.setRequestProperty("User-agent","Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.66 Safari/537.36"); conn.setRequestProperty("Content-Type", "application/json;charset=utf-8"); conn.setRequestProperty("Accept", "application/json;charset=utf-8"); conn.setConnectTimeout(60000); conn.setReadTimeout(60000); StringBuffer sb=null; if(param!=null){//如果请求参数不为空sb=new StringBuffer();/*A URL connection can be used for input and/or output. Set the DoOutput * flag to true if you intend to use the URL connection for output, * false if not. The default is false.*///默认为false,post方法需要写入参数,设定trueconn.setRequestMethod("POST");conn.setDoOutput(true);//设定post方法,默认get//获得输出流OutputStream out=conn.getOutputStream();//对输出流封装成高级输出流BufferedWriter writer=new BufferedWriter(new OutputStreamWriter(out));//将参数封装成键值对的形式for(Map.Entrys:param.entrySet()){ sb.append(s.getKey()).append("=").append(s.getValue()).append("&");}System.out.println("para:"+sb.deleteCharAt(sb.toString().length()-1).toString());writer.write(sb.deleteCharAt(sb.toString().length()-1).toString());writer.close();//如果忘记关闭输出流将造成参数未完全写入的情况sb=null; } conn.connect();//建立连接 sb=new StringBuffer(); //获取连接状态码 int recode=conn.getResponseCode(); BufferedReader reader=null; if(recode==404){ } if(recode==200){//Returns an input stream that reads from this open connection//从连接中获取输入流InputStream in=conn.getInputStream();String encoding=conn.getContentEncoding();if (encoding != null && encoding.equalsIgnoreCase("gzip")) { GZIPInputStream gis = new GZIPInputStream(in); reader=new BufferedReader(new InputStreamReader(gis,outCharset)); for(String str=reader.readLine();str!=null;str=reader.readLine()){ sb.append(str).append(System.getProperty("line.separator"));//原网页的换行加上 }}else{ reader=new BufferedReader(new InputStreamReader(in,outCharset)); for(String str=reader.readLine();str!=null;str=reader.readLine()){ sb.append(str).append(System.getProperty("line.separator"));//原网页的换行加上 }}//关闭输入流reader.close();if (sb.toString().length() == 0) { return null;}return sb.toString().substring(0, sb.toString().length() - System.getProperty("line.separator").length());} } catch (Exception e) { e.printStackTrace(); return null; }finally{ if(conn!=null)//关闭连接conn.disconnect(); } return null; } public static String post(String url,Mapparam){ HttpClient httpclient = new DefaultHttpClient(); HttpPost httppost = new HttpPost(url); StringBuffer sb=null; try { ListnameValuePairs = new ArrayList(param.size()); if(param!=null){for(Map.Entry map:param.entrySet()){ nameValuePairs.add(new BasicNameValuePair(map.getKey().toString(), map.getValue().toString())); } } httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs)); HttpResponse response=httpclient.execute(httppost); InputStream in=response.getEntity().getContent(); sb=new StringBuffer(); BufferedReader reader=new BufferedReader(new InputStreamReader(in)); for(String str=reader.readLine();str!=null;str=reader.readLine()){sb.append(str).append(System.getProperty("line.separator"));//原网页的换行加上 } reader.close(); } catch (Exception e) { e.printStackTrace(); } return sb.toString(); } /*** 这个方法主要是用来直接向服务器传输参数,比如已经加密的数据,直接传到服务器* @param url* @param data* @return*/ public static String post(String url,byte[] data ){ HttpURLConnection conn=null; try { URL u=new URL(url); conn=(HttpURLConnection) u.openConnection(); conn.setRequestProperty("User-agent","Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/29.0.1547.66 Safari/537.36"); StringBuffer sb=null; sb=new StringBuffer(); /*A URL connection can be used for input and/or output. Set the DoOutput * flag to true if you intend to use the URL connection for output, * false if not. The default is false.*/ //默认为false,post方法需要写入参数,设定true conn.setRequestMethod("POST"); conn.setDoOutput(true); //设定post方法,默认get //获得输出流 OutputStream out=conn.getOutputStream(); //对输出流封装成高级输出流 BufferedWriter writer=new BufferedWriter(new OutputStreamWriter(out)); //将参数封装成键值对的形式 writer.write(new String(data)); writer.close();//如果忘记关闭输出流将造成参数未完全写入的情况 conn.connect();//建立连接 //获取连接状态码 int recode=conn.getResponseCode(); BufferedReader reader=null; if(recode==404){System.out.println("404===>"+url); } if(recode==200){//Returns an input stream that reads from this open connection//从连接中获取输入流InputStream in=conn.getInputStream();String encoding=conn.getContentEncoding();if (encoding != null && encoding.equalsIgnoreCase("gzip")) { GZIPInputStream gis = new GZIPInputStream(in); reader=new BufferedReader(new InputStreamReader(gis)); for(String str=reader.readLine();str!=null;str=reader.readLine()){ sb.append(str).append(System.getProperty("line.separator"));//原网页的换行加上 }}else{ reader=new BufferedReader(new InputStreamReader(in)); for(String str=reader.readLine();str!=null;str=reader.readLine()){ sb.append(str).append(System.getProperty("line.separator"));//原网页的换行加上 }}//关闭输入流reader.close();if (sb.toString().length() == 0) { return null;}return sb.toString().substring(0, sb.toString().length() - System.getProperty("line.separator").length());} } catch (Exception e) { e.printStackTrace(); return null; }finally{ if(conn!=null)//关闭连接conn.disconnect(); } return null; }}
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