postman上传图片的base64

 不要添加前缀

 控制器和类

 @PostMapping("text-only")public List<TextDto> ocrTextOnly(@RequestBody OcrParam ocrParam) {//TODOreturn ocrapiService.ocrText(ocrParam.getImgBase64(),ocrParam.getImgType());}

@Data
@NoArgsConstructor
@AllArgsConstructor
public class OcrParam {/*** 图片base64编码的字符串*/private String imgBase64;/*** 图片类型*/private String imgType;
}