现在大家提供的源码都是针对BMP图片的防篡改例程，本源码主要是针对JPG图片的嵌入水印和提取水印判断，希望对大家有帮助！-Now we provide the source code is tamper-resistant against BMP images routines, this source is mainly directed against JPG images embedded watermark and the extracted watermark judgments we