获取图片

zhanghua

2023-03-13 3ce2963dec8600b6c7be58015ff6469ab62d2a6f

获取图片

 ycl-platform/src/main/java/com/ycl/controller/platformApi/AlarmController.java

@@ -10,8 +10,15 @@
import io.swagger.annotations.ApiOperation;
import lombok.SneakyThrows;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletResponse;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;

/**
 * @author admin
@@ -53,4 +60,28 @@
        }
        return CommonResult.successApi(videoUtil.getVideo(code, scheme, subType));
    }


    @ApiOperation(value = "获取图片")
    @GetMapping(value = "/img", produces = MediaType.IMAGE_PNG_VALUE)
    @ResponseBody
    public byte[] getImages(HttpServletResponse response, @RequestParam String fileUrl) {
        try {
            URL url = new URL(fileUrl);
            HttpURLConnection conn = (HttpURLConnection) url.openConnection();
            conn.setRequestMethod("GET");
            conn.setConnectTimeout(5 * 1000);
            InputStream inputStream = conn.getInputStream();// 通过输入流获取图片数据

            byte[] bytes = new byte[inputStream.available()];
            inputStream.read(bytes, 0, inputStream.available());

            return bytes;

        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

}