亲身实测可用的java实现wordxlsxpdf文件下载功能

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package com.davidwang456;  

import java.io.File;  
import javax.servlet.http.HttpServletRequest;  
import javax.servlet.http.HttpServletResponse;  
import org.springframework.core.io.FileSystemResource;  
import org.springframework.core.io.Resource;  
import org.springframework.web.bind.annotation.RequestMapping;  
import org.springframework.web.bind.annotation.RequestMethod;  
import org.springframework.web.bind.annotation.ResponseBody;  
import org.springframework.web.bind.annotation.RestController;  
@RestController  
public class DownloadController {  
    private static final String APPLICATION_PDF="application/pfd";  
    private static final String APPLICATION_WORD="application/msword";  
    private static final String APPLICATION_EXCEL="application/vnd.ms-excel;charset=utf-8";   
    @RequestMapping(value="/download",method=RequestMethod.GET,produces=APPLICATION_PDF)  
    @ResponseBody  
    public Resource download(HttpServletRequest req,HttpServletResponse resp) {  
        String file);  
        File file=getFile(fileName);  
        String suffix=fileName.substring(fileName.lastIndexOf(".")+1);  
        if(suffix.equalsIgnoreCase(APPLICATION_PDF)) {  
            resp.setContentType(APPLICATION_PDF);  
            resp.setHeader("Content-Disposition", "inline;filename="+file.getName());  
        }else if(suffix.equalsIgnoreCase(APPLICATION_WORD)) {  
            resp.setContentType(APPLICATION_WORD);  
            resp.setHeader("Content-Disposition", "attachment;filename="+file.getName());  
        }else if(suffix.equalsIgnoreCase(APPLICATION_EXCEL)) {  
            resp.setContentType(APPLICATION_EXCEL);  
            resp.setHeader("Content-Disposition", "attachment;filename="+file.getName());  
        }     
        resp.setHeader("Content-Length", String.valueOf(file.length()));  
        return new FileSystemResource(file);  
    }  
    private static File getFile(String fileName) {  
        File file=new File( "path"+fileName);  
        if(!file.exists()) {  
            System.out.println("指定路径下的文件不存在！");  
        }  
        return file;  
    }  
}

亲身实测可用的java实现wordxlsxpdf文件下载功能

标签：stat   nal   inline   sig   import   imp   ons   produce   tin   

原文地址：https://blog.51cto.com/14744108/2481179