package?com.byd.oss.controller;

import?java.io.IOException;
import?java.io.InputStream;
import?java.net.URL;
import?java.net.URLConnection;

import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;

import?org.apache.commons.io.IOUtils;
import?org.springframework.beans.factory.annotation.Autowired;
import?org.springframework.stereotype.Controller;
import?org.springframework.web.bind.annotation.RequestMapping;
import?org.springframework.web.bind.annotation.RequestMethod;
import?org.springframework.web.bind.annotation.RequestParam;
import?org.springframework.web.bind.annotation.ResponseBody;
import?org.springframework.web.multipart.MultipartFile;

import?com.byd.oss.pojo.Userimage;
import?com.byd.oss.service.OSSImageService;
import?com.byd.oss.util.OSSClientUtil;


/**
?*?上傳或者獲取圖片方法
?*?@author?zhan.zhu
?*
?*/
@Controller
public?class?OSSImageController?{
	@Autowired
	private?OSSImageService?oSSImageService;
	
	/**
	?*?前端上傳圖片
	?*?@param?file
	?*?@return
	?*?@throws?Exception
	?*/
	@RequestMapping（“/upload“）
	@ResponseBody
	public?object?upload（@RequestParam（“file“）?MultipartFile?file）throws?Exception{
		OSSClientUtil?ossClient?=?new?OSSClientUtil（）;
		String?name?=?ossClient.uploadImg2Oss（file）;
		String?imgUrl?=?ossClient.getImgUrl（name）;
		String[]?split?=?imgUrl.split（“\\?“）;
		//上傳圖片返回url保存到數據庫
		Userimage?userimage?=?new?Userimage（）;
		userimage.setUsername（“test“）;
		userimage.setImageurl（split[0]）;
		oSSImageService.addUserimage（userimage）;
		return?split[0];
	}
	
		
	/**
	?*?IO流讀取圖片?by:long
	?*?@return
	?*/
	@RequestMapping（value?=?“/IoReadImage“?method?=?RequestMethod.GET）
	public?void?IoReadImage（HttpServletRequest?requestHttpServletResponse?response）?throws?IOException?{
		//從數據庫查詢查詢圖片的url通過流的方式傳到前臺
		Userimage?userimage?=?oSSImageService.getUserimagebyId（1）;
		String?imgUrl?=?userimage.getImageurl（）;
		URL?url?=?new?URL（imgUrl）;
		URLConnection?conn?=?url.openConnection（）;
		InputStream?inStream?=?conn.getInputStream（）;
		response.setContentType（“image/jpg“）;?//?設置返回的文件類型
		response.setHeader（“Access-Control-Allow-Origin“?“*“）;//?設置該圖片允許跨域訪問
		IOUtils.copy（inStream?response.getOutputStream（））;	
	}
}