图片预览限定宽度

src/main/java/com/steerinfo/ftp/uploadfile/utils/FtpFileUtil.java

@@ -236,7 +236,7 @@ public class FtpFileUtil {
                             ByteArrayOutputStream stream = new ByteArrayOutputStream();
                             IOUtils.copy(inputStream,stream);
                             String imgStr = Base64.getEncoder().encodeToString(stream.toByteArray());
-                            data = "<img src=" + "\"data:image/"+suffixName+";base64," + imgStr + "\"" + "/>";
+                            data = "<img style='width:100%' src=" + "\"data:image/"+suffixName+";base64," + imgStr + "\"" + "/>";
                             stream.close();break;
                         case "txt" :
                             ByteArrayOutputStream txtStream = new ByteArrayOutputStream();