基于STM32F103ZET6芯片编写的MP3播放器，带触摸屏，在KEIL4环境下编写，可直接使用。初学者看一看会有帮助。-Based on STM32F103ZET6 chip to write the MP3 player, with a touch screen to write in KEIL4 environment can be used directly. Beginners take a look at that would be helpful.