package com.fgkj.controller;

import com.fgkj.util.*;

import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import java.io.*;
import javax.annotation.Resource;

@RequestMapping("fileDownload")
@RestController
@Api(tags = "fileDownload接口")
public class FileDownloadController{
	/*private String PageName;
	private String filename; 
	private String arr_Td;
	private String arr_Th;
	private String contentLength;*/
	//返回一个输入流，作为一个客户端来说是一个输入流，但对于服务器端是一个 输出流
	@PostMapping("downloadFile")
	@ApiOperation(notes = "TODO ",value="downloadFile")
	public InputStream getDownloadFile(@RequestParam String filename,@RequestParam String contentLength){
		InputStream is = null;
		filename = "spket-1.6.23.jar";
		try {
			is = new FileInputStream("D:\\spket-1.6.23.jar");
			//解解乱码  
			filename = new String(filename.getBytes("GBK"),"ISO-8859-1");
			contentLength = is.available()+"";
			System.out.println(contentLength);
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		System.out.println("返回输入流"+is);
		return is;  
	}

}