springMVC 文件下载


springmvcdownload文件下载

[java]
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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); } }

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);
}
}

在浏览器里面写一句，便可以下载文件

[html]
view plaincopyprint?





<a href="./downloadFile/download" >下载</a>

<a href="./downloadFile/download" >下载</a>

springMVC具体怎么配置，请参看：

http://blog.csdn.net/clj198606061111/article/details/20492887