为了简便财务总是要对照着别人发来的表格图片制作成自己的表格

• 图片识别 识别成表格 表格识别 ocr
• 使用阿里云api
• 购买（印刷文字识别-表格识别） https://market.aliyun.com/products/57124001/cmapi024968.html
• 获得阿里云图片识别表格的appcode

效果图如下

整合的代码

package com.xai.wuye.controller.api;import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONException;
import com.alibaba.fastjson.JSONObject;
import com.xai.wuye.common.JsonResult;
import com.xai.wuye.exception.ResultException;
import com.xai.wuye.model.AParam
import com.xai.wuye.service.CarService;
import com.xai.wuye.util.HttpUtils;
import org.apache.http.HttpResponse;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.core.io.FileSystemResource;
import org.springframework.http.HttpHeaders;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.scheduling.annotation.EnableAsync;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;import java.io.*;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;import static org.apache.tomcat.util.codec.binary.Base64.encodeBase64;@Controller
@EnableAsync
@RequestMapping("/api/ocr")
public class AliOCRImages {@AutowiredCarService carService;private String OcrPath = "/home/runApp/car/orc/";@ResponseBody@RequestMapping("table")public JsonResult getFirstLicence(@RequestParam(value = "file", required = false) MultipartFile file) {if (file == null || file.isEmpty()||file.getSize() > 1204*1204*3)throw new ResultException(0,"文件为null，且不能大于3M");String filename = file.getOriginalFilename();String filepath = OcrPath+"temp/"+filename;File newFile = new File(filepath);try {file.transferTo(newFile);String host = "https://form.market.alicloudapi.com";String path = "/api/predict/ocr_table_parse";// 输入阿里的codeString appcode = "4926a667ee6c41329c278361*****";String imgFile = "图片路径";Boolean is_old_format = false;//如果文档的输入中含有inputs字段，设置为True， 否则设置为False//请根据线上文档修改configure字段JSONObject configObj = new JSONObject();configObj.put("format", "xlsx");configObj.put("finance", false);configObj.put("dir_assure", false);String config_str = configObj.toString();//            configObj.put("min_size", 5);//String config_str = "";String method = "POST";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 83359fd73fe94948385f570e3c139105headers.put("Authorization", "APPCODE " + appcode);Map<String, String> querys = new HashMap<String, String>();// 对图像进行base64编码String imgBase64 = "";try {byte[] content = new byte[(int) newFile.length()];FileInputStream finputstream = new FileInputStream(newFile);finputstream.read(content);finputstream.close();imgBase64 = new String(encodeBase64(content));} catch (IOException e) {e.printStackTrace();return null;}// 拼装请求body的json字符串JSONObject requestObj = new JSONObject();try {if(is_old_format) {JSONObject obj = new JSONObject();obj.put("image", getParam(50, imgBase64));if(config_str.length() > 0) {obj.put("configure", getParam(50, config_str));}JSONArray inputArray = new JSONArray();inputArray.add(obj);requestObj.put("inputs", inputArray);}else{requestObj.put("image", imgBase64);if(config_str.length() > 0) {requestObj.put("configure", config_str);}}} catch (JSONException e) {e.printStackTrace();}String bodys = requestObj.toString();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);int stat = response.getStatusLine().getStatusCode();if(stat != 200){System.out.println("Http code: " + stat);System.out.println("http header error msg: "+ response.getFirstHeader("X-Ca-Error-Message"));System.out.println("Http body error msg:" + EntityUtils.toString(response.getEntity()));return null;}String res = EntityUtils.toString(response.getEntity());JSONObject res_obj = JSON.parseObject(res);Long fileName = System.currentTimeMillis();if(is_old_format) {JSONArray outputArray = res_obj.getJSONArray("outputs");String output = outputArray.getJSONObject(0).getJSONObject("outputValue").getString("dataValue");JSONObject out = JSON.parseObject(output);System.out.println(out.toJSONString());}else{String tmp_base64path = OcrPath + fileName;File tmp_base64file = new File(tmp_base64path);if(!tmp_base64file.exists()){tmp_base64file.getParentFile().mkdirs();}tmp_base64file.createNewFile();// writeFileWriter fw = new FileWriter(tmp_base64file, true);BufferedWriter bw = new BufferedWriter(fw);bw.write(res_obj.getString("tables"));bw.flush();bw.close();fw.close();String exelFilePath = OcrPath + fileName + "_1.xlsx";Runtime.getRuntime().exec("touch "+exelFilePath).destroy();Process exec = Runtime.getRuntime().exec("sed -i -e 's/\\\\n/\\n/g' " + tmp_base64path);exec.waitFor();exec.destroy();Process exec1 = null;String[] cmd = { "/bin/sh", "-c", "base64 -d " + tmp_base64path + " > " + exelFilePath };exec1 = Runtime.getRuntime().exec(cmd);exec1.waitFor();exec1.destroy();return JsonResult.success(fileName);}} catch (Exception e) {e.printStackTrace();}} catch (IOException e) {e.printStackTrace();}return null;}@ResponseBody@RequestMapping("getId")public ResponseEntity<FileSystemResource> getFirstLicence(String id) {String exelFilePath = OcrPath + id + "_1.xlsx";return export(new File(exelFilePath));}public ResponseEntity<FileSystemResource> export(File file) {if (file == null) {return null;}HttpHeaders headers = new HttpHeaders();headers.add("Cache-Control", "no-cache, no-store, must-revalidate");headers.add("Content-Disposition", "attachment; filename=" + System.currentTimeMillis() + ".xls");headers.add("Pragma", "no-cache");headers.add("Expires", "0");headers.add("Last-Modified", new Date().toString());headers.add("ETag", String.valueOf(System.currentTimeMillis()));return ResponseEntity.ok().headers(headers).contentLength(file.length()).contentType(MediaType.parseMediaType("application/octet-stream")).body(new FileSystemResource(file));}public static JSONObject getParam(int type, String dataValue) {JSONObject obj = new JSONObject();try {obj.put("dataType", type);obj.put("dataValue", dataValue);} catch (JSONException e) {e.printStackTrace();}return obj;}}

大功告成

• 以下是静态页面代码

<!DOCTYPE html>
<html>
<head><meta charset="UTF-8"><!-- import CSS --><link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css"><title>table</title>
</head>
<body><div id="app"><el-uploadclass="upload-demo"dragaction="https://www.***.com/car/api/ocr/table":file-list="imagelist":on-preview="pre"><i class="el-icon-upload"></i><div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div><div class="el-upload__tip" slot="tip">只能上传jpg/png文件，且不超过500kb</div></el-upload><div class="img-content" v-for="(item,key) in imagelist" :key="key"><img :src="item.url"><div class="name"><div>{{ item.name }}</div><el-button type="text" @click="handleFileName(item,key)">修改名字</el-button></div><!-- 删除icon --><div class="del"><i @click="handleFileRemove(item,key)" class="el-icon-delete2"></i></div><!-- 放大icon --><div class="layer" @click="handleFileEnlarge(item.url)"><i class="el-icon-view"></i></div></div></div>
</body><!-- import Vue before Element --><script src="https://unpkg.com/vue/dist/vue.js"></script><!-- import JavaScript --><script src="https://unpkg.com/element-ui/lib/index.js"></script><script>new Vue({el: '#app',data: function() {return {visible: false,imagelist: []}},methods: {pre(res) {console.log(res.response.msg)window.open("https://www.***.com/api/ocr/getId?id="+res.response.data);}}})</script>
</html>