名片识别接口的调用示例-PHP源码-PHP中文网

php代码
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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 org.apache.commons.codec.binary.Base64;
import org.silk.net.PureNetUtil;
public class CardAPIDemo {
    private static final String KEY="****f6e8cda2876336a7f3cd2dcc****";//这里替换成你的key
    private static final String  URL="http://op.juhe.cn/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 java.net.HttpURLConnection;
import java.net.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
                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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