package com.zy.asrs.controller;
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import com.core.common.R;
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import com.sun.prism.Image;
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import com.zy.asrs.entity.ImageView;
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import com.zy.asrs.utils.ImagePreviewUtils;
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import com.zy.common.web.BaseController;
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import io.swagger.annotations.ApiOperation;
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import io.swagger.annotations.ApiResponse;
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import io.swagger.annotations.ApiResponses;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.web.bind.annotation.*;
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import org.springframework.web.multipart.MultipartFile;
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import javax.servlet.ServletOutputStream;
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import javax.servlet.http.HttpServletResponse;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.nio.file.Files;
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import java.util.*;
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@Slf4j
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@RestController
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@RequestMapping()
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public class ImagePreviewController extends BaseController {
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//上传图片
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@ApiResponses({@ApiResponse(code = 200, message = "上传成功"), @ApiResponse(code = 400, message = "上传失败"), @ApiResponse(code = 500, message = "服务器内部错误")})
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@RequestMapping(value = "/saveImage", method = RequestMethod.POST)
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public R saveImage(@RequestParam("files") MultipartFile[] files) {
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// Map<String, Object> map = new HashMap<>();
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List<String> list = new ArrayList<>();
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for (int i = 0; i < files.length; i++) {
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MultipartFile mfile = files[i];
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//获取文件后缀
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String suffixName = ImagePreviewUtils.getSaveImagePath(mfile);
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//生成新文件名称
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//String newFileName = ImagePreviewUtils.getNewImageFileName(suffixName);
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//保存文件
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File file = new File(ImagePreviewUtils.getNewImagePath(mfile.getOriginalFilename()));
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boolean state = ImagePreviewUtils.saveImage(mfile, file);
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if (state) {
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// list.add(ImageUtil.getNewImagePath(newFileName));
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//保存数据库的图片路径为 相对路径
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list.add("uploadimage/" + mfile.getOriginalFilename());
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}
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}
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// map.put("imgList", list);
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return R.ok("上传成功");
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}
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//预览图片
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@RequestMapping("/previewImage")
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@ApiOperation(value = "根据文件名实现预览功能")
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public String previewFile(
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HttpServletResponse response,String maktx) throws IOException {
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// String[] s = matnr.split("__");
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showImg("D:\\"+"images\\"+maktx+".png", response,maktx);
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if("D:\\"+"images\\"+maktx+".png"!=null){
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try {
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FileInputStream fis = new FileInputStream("D:\\"+"images\\"+maktx+".png");
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ServletOutputStream os = response.getOutputStream();
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byte [] b = new byte[1024*8];
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while(fis.read(b)!=-1){
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os.write(b);
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}
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} catch (FileNotFoundException e) {
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e.printStackTrace();
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return "该简图不存在，请上传";
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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return "";
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}
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public static void showImg(String path, HttpServletResponse response,String maktx){
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}
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public static R showImgToBase64(String path, HttpServletResponse response,String maktx){
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byte[] imageBytes = null;
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try {
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File file =new File(path);
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imageBytes = Files.readAllBytes(file.toPath());
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}catch (IOException e){
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e.printStackTrace();
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return null;
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}
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String pics = Base64.getEncoder().encodeToString(imageBytes);
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List<String> list = new ArrayList<>();
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List<ImageView> imageViewList = new ArrayList<>();
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ImageView imageView = new ImageView();
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//String s = "http://192.168.0.2/image/"+pics+".jpg";
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list.add(pics);
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imageView.setPics(list);
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imageView.setMaktx(maktx);
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imageViewList.add(imageView);
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//log.info(s);
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log.info(pics);
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return R.ok().add(imageViewList);
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}
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}
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