文字识别技术是针对图片上的文字进行提取，免去人们手动输入的繁琐。针对证件，翔云提供了身份证识别接口、身份证实名认证接口、护照识别接口，身份证识别接口自动提取身份证信息、身份证实名认证接口实时联网查验身份证的真伪。

以身份证识别接口Java语言代码为例，欢迎免费体验：

package com.test;import okhttp3.*;
import org.json.JSONObject;
import java.io.*;
/*** 需要添加依赖* * *     com.squareup.okhttp3*     okhttp*     4.12.0* */
class Sample {static final OkHttpClient HTTP_CLIENT = new OkHttpClient().newBuilder().build();public static void main(String []args) throws IOException{MediaType mediaType = MediaType.parse("text/plain");RequestBody body = new MultipartBody.Builder().setType(MultipartBody.FORM).addFormDataPart("img","/9j").addFormDataPart("key","M***********g").addFormDataPart("secret","3***********6").addFormDataPart("typeId","2").addFormDataPart("format","json").build();Request request = new Request.Builder().url("https://netocr.com/api/recogliu.do").method("POST", body).build();Response response = HTTP_CLIENT.newCall(request).execute();System.out.println(response.body().string());}
}