tmp

package hello;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.concurrent.atomic.AtomicLong;

import org.apache.tika.Tika;
import org.apache.tika.exception.TikaException;
import org.apache.tika.parser.ParseContext;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import org.apache.tika.sax.BodyContentHandler;
import org.apache.tika.parser.AutoDetectParser;
import org.apache.tika.metadata.Metadata;
import org.xml.sax.SAXException;


@RestController
public class GreetingController {

    private static final String template = "Hello, %s!";
    private final AtomicLong counter = new AtomicLong();

    @RequestMapping("/greeting")
    public Greeting greeting(@RequestParam(value = "name", defaultValue = "World") String name) {
        return new Greeting(counter.incrementAndGet(),
                String.format(template, name));
    }

    @PostMapping("/upload")
    @ResponseBody
    public String upload(@RequestParam("file") MultipartFile file) {
        if (file.isEmpty()) {
            return "上传失败，请选择文件";
        }
        String fileName = file.getOriginalFilename();
        String filePath = "D:\";
        String fpath = filePath + "ucan" + fileName;
        File dest = new File(fpath);
        try {
            file.transferTo(dest);
            System.out.println("上传成功");
            // TD
            AutoDetectParser parser = new AutoDetectParser();
            BodyContentHandler handler = new BodyContentHandler();
            Metadata metadata = new Metadata();
            Tika tika = new Tika();

            File f = new File("D:\1.doc");    // 声明File对象
            try (InputStream stream = new FileInputStream(f)) {
//            try (InputStream stream = input) {
//            try (InputStream stream = file.getInputStream()) {
                parser.parse(stream, handler, metadata);
                String s = handler.toString();
                System.out.println(" handler.toString()" + s);
                System.out.println("  tika.parseToString(stream)" + tika.parseToString(stream));
            } catch (IOException | SAXException | TikaException e) {
                System.out.println(e);
            }

            return "上传成功";
        } catch (IOException e) {
            System.out.println(e);
        }
        return "上传失败！";
    }
}

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>Tg</groupId>
    <artifactId>Ta</artifactId>
    <version>1.0-SNAPSHOT</version>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.1.6.RELEASE</version>
    </parent>

    <dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>com.jayway.jsonpath</groupId>
            <artifactId>json-path</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.apache.tika</groupId>
            <artifactId>tika-core</artifactId>
            <version>1.22</version>
        </dependency>
    </dependencies>

    <properties>
        <java.version>1.8</java.version>
    </properties>
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>
        </plugins>
    </build>
</project>