spring boot — InputStream

@Component
public class TextFileDownloadView extends AbstractFileDownloadView {

@Override
protected InputStream getInputStream(Map<String, Object> model,
HttpServletRequest request) throws IOException {
Resource resource = new ClassPathResource("abc.txt");
return resource.getInputStream();
}

@Override
protected void addResponseHeader(Map<String, Object> model,
HttpServletRequest request, HttpServletResponse response) {
response.setHeader("Content-Disposition", "attachment; filename=abc.txt");
response.setContentType("text/plain");

}
}

@RequestMapping(value = "/downloadTxt", method = RequestMethod.GET)
public String downloadTxt1() {
return "textFileDownloadView";
}

Originate from http://rensanning.iteye.com/blog/2356942

package inputstream;

import java.io.IOException;
import java.io.InputStream;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import inputstream.domain.Customer;

@RestController
public class InputStreamController {

     private final Logger logger = LoggerFactory.getLogger(this.getClass()); 

    @RequestMapping(value = "" , method = RequestMethod.GET , produces = MediaType.APPLICATION_JSON_VALUE )
    public InputStream testClassPath() throws IOException {
          Resource resource = new ClassPathResource("test.txt");
          String fileName = resource.getFilename();
          logger.info(fileName);
//        resource.getFile();   //获取资源对应的文件
//        resource.getURL(); //获取资源对应的URL
             //每次都会打开一个新的流
             InputStream is = resource.getInputStream();
             //this.printContent(is);
             logger.info(is.toString());
             return is;
       }      

    @RequestMapping(value = "/cs" , method = RequestMethod.GET , produces = MediaType.APPLICATION_JSON_VALUE )
    public Customer testCustomer() {
        Customer c = new Customer(5,"Tom");
        return c;

    }

}

http://www.cnblogs.com/wangtj-19/p/5889056.html