// Spring-boot 下载package com.csf.executor.word.controller;import com.aug3.sys.rs.response.RespObj;import com.csf.executor.word.common.enums.DICTTYPE;import com.csf.executor.word.service.WordService;import org.slf4j.Logger;import org.slf4j.LoggerFactory;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.web.bind.annotation.GetMapping;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RestController;import java.io.File;import java.io.IOException;@RestController@RequestMapping("/word")public class WordController extends BaseController {    private static final Logger LOGGER = LoggerFactory.getLogger(BaseController.class);    @Autowired    private WordService wordService;    @GetMapping("/record/list")    public RespObj listRecord() {        return build(wordService.listRecord());    }    @GetMapping("/download")    public ResponseEntity download(String type) {        LOGGER.info("Param type is {}", type);        if (!DICTTYPE.contains(type)) {            LOGGER.error("Param type is invalid");            return null;        }        File file = null;        try {            file = wordService.getDictFile(type);  // zip包        } catch (Exception e) {            LOGGER.error("Download zip file is error:", e);            return null;        }        HttpHeaders headers = new HttpHeaders();        headers.add("Cache-Control", "no-cache, no-store, must-revalidate");        String fileName = "dict_db_" + System.currentTimeMillis() + ".zip";        headers.add("Content-Disposition", "attachment; filename=" + fileName);        headers.add("Pragma", "no-cache");        headers.add("Expires", "0");        return ResponseEntity                .ok()                .headers(headers)                .contentLength(file.length())                .contentType(MediaType.parseMediaType("application/octet-stream"))                .body(new FileSystemResource(file));    }}