阿里云OCR图片文字识别使用教程

第一步: 租赁阿里云OCR文字识别服务
购买阿里云-OCR文字识别接口
第二步: 购买服务后会对应的 appCode
在购物OCR服务后对应的appCode
第三步: 使用aliyun提供的接口

package io.renren;import io.renren.utils.HttpUtils;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;import java.util.*;/*** @author yww* @createTime 2021/4/25*/
public class TestMain {public static void main(String[] args){//图片url地址String imgUrl = "https://gimg2.baidu.com/image_search/src=http%3A%2F%2Fn.sinaimg.cn%2Ffront20200423ac%2F40%2Fw1080h2160%2F20200423%2Ff7f9-isqivxh6293901.jpg&refer=http%3A%2F%2Fn.sinaimg.cn&app=2002&size=f9999,10000&q=a80&n=0&g=0n&fmt=jpeg?sec=1623824738&t=9c9b7f95a7639f16939d8de2c70102f5";aliyunAnalysisPic(imgUrl);}/*** OCR文字识别* @param img 图片地址*/public static void aliyunAnalysisPic(String img){String host = "https://ocrapi-advanced.taobao.com";String path = "/ocrservice/advanced";String method = "POST";//自己的appCodeString 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 ****************headers.put("Authorization", "APPCODE " + appcode);//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>();String bodys = "{\"img\":\"\",\"url\":\""+img+"\",\"prob\":false,\"charInfo\":false,\"rotate\":false,\"table\":false}";try {/*** 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*/HttpResponse response = HttpUtils.doPost(host, path, method, headers, querys, bodys);System.out.println(response.toString());//获取response的bodySystem.out.println(EntityUtils.toString(response.getEntity()));} catch (Exception e) {e.printStackTrace();}}
}

图片原型（此图片为百度搜索得到）:
在这里插入图片描述
执行结果:

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