springMVC 文件下载

Spring MVC 文件下载最佳实践 http://mayday85.iteye.com/blog/1622445
springMVC 文件下载 http://blog.csdn.net/clj198606061111/article/details/20743769
package com.clj.test.down.util;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;
import org.springframework.context.annotation.Scope;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Component;
import org.springframework.web.bind.annotation.RequestMapping;

/**
 * <一句话功能简述>
 * <功能详细描述>
 * 
 * @author  Administrator
 * @version  [版本号, 2014年3月7日]
 * @see  [相关类/方法]
 * @since  [产品/模块版本]
 */
@Component
@Scope("prototype") 
@RequestMapping("/downloadFile")
public class DownloadAction
{

    @RequestMapping("download")  
    public ResponseEntity<byte[]> download() throws IOException {  
        String path="D:\\workspace\\.metadata\\.plugins\\org.eclipse.wst.server.core\\tmp0\\wtpwebapps\\springMVC\\WEB-INF\\upload\\图片10(定价后).xlsx";
        File file=new File(path);
        HttpHeaders headers = new HttpHeaders();  
        String fileName=new String("你好.xlsx".getBytes("UTF-8"),"iso-8859-1");//为了解决中文名称乱码问题
        headers.setContentDispositionFormData("attachment", fileName); 
        headers.setContentType(MediaType.APPLICATION_OCTET_STREAM); 
        return new ResponseEntity<byte[]>(FileUtils.readFileToByteArray(file),  
                                          headers, HttpStatus.CREATED);  
    }  
}

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