Android位图图像不使用php api保存到mysql

I want to save a image to mysql database with some other String values.But all my String values are saved but can not save the image. I am converting the Bitmap image to String and passing it to php script. In my php function I am trying to convert it to blob. This code does not give any error. But image is not saving where other values are saving. Can anyone please help me on this? Here are my attempts below :I want to save a image to mysql database with s