resource下的excel文件下载被损害

放在resource下面的文件,maven编译打包时会出现损害,具体的话,没细研究,所以只要打包的时候排除指定后缀文件即可了:

下载代码:

@ResponseBody
    @RequestMapping(value = "/downloadExample", method = RequestMethod.GET)
    @ApiOperation(value = "模板下载")
    void downloadExample(@RequestParam("key") String fileName, HttpServletResponse response, HttpServletResponse request) throws Exception {

        InputStream inStream = null;
        try {
            inStream = this.getClass().getResourceAsStream("/example/" + fileName);
        } catch (Exception e) {
            e.printStackTrace();
            return;
        }
        if (inStream == null) {
            response.setStatus(HttpStatus.NOT_FOUND.value());
            return;
        }
        response.reset();
        response.setContentType("bin");
        fileName = new String(fileName.getBytes("UTF-8"), "ISO8859-1");// �ȸ�
        response.addHeader("Content-Disposition", "attachment; filename="" + fileName + """);

        response.setHeader("Access-control-Allow-Origin", request.getHeader("Origin"));
        response.setHeader("Access-Control-Allow-Methods", "*");
        response.setHeader("Access-Control-Allow-Credentials", "true");
        response.setHeader("Access-Control-Allow-Headers", request.getHeader("Access-Control-Request-Headers"));
        response.setStatus(HttpStatus.OK.value());

        byte[] b = new byte[1024];
        int len;
        try {
            while ((len = inStream.read(b)) > 0) response.getOutputStream().write(b, 0, len);
            inStream.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }

主要就是打包的时候主pom文件排除指定后缀即可:

 <build>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.1</version>
                <configuration>
                    <source>1.7</source>
                    <target>1.7</target>
                    <encoding>utf-8</encoding>
                </configuration>
            </plugin>

            <plugin>
                <artifactId>maven-resources-plugin</artifactId>
                <configuration>

                    <nonFilteredFileExtensions>
                        <nonFilteredFileExtension>xlsx</nonFilteredFileExtension>
                        <nonFilteredFileExtension>xls</nonFilteredFileExtension>
                        <nonFilteredFileExtension>zip</nonFilteredFileExtension>
                        <nonFilteredFileExtension>cer</nonFilteredFileExtension>
                        <nonFilteredFileExtension>pfx</nonFilteredFileExtension>
                        <nonFilteredFileExtension>py</nonFilteredFileExtension>
                        <nonFilteredFileExtension>keystore</nonFilteredFileExtension>
                    </nonFilteredFileExtensions>

                    <resources>
                        <resource>
                            <directory>src/main/resources</directory>
                            <filtering>true</filtering>
                            <excludes>
                                <exclude>**/font/**</exclude>
                                <exclude>**/fonts/**</exclude>
                            </excludes>
                        </resource>
                        <resource>
                            <directory>src/main/resources</directory>
                            <filtering>false</filtering>
                            <includes>
                                <include>**/font/**</include>
                                <include>**/fonts/**</include>
                            </includes>
                        </resource>
                    </resources>
                    <encoding>utf-8</encoding>
                    <useDefaultDelimiters>true</useDefaultDelimiters>
                </configuration>
            </plugin>

        </plugins>
    </build>