include<reg52.h>code unsigned char seg7code[10]={ 0xC00xf90xa40xb00x990x920x820xf80x800x90}; //显示段码sbit TMDAT =P3^2; //DS18B20 的数据输入/输出脚DQ根据情况设定unsigned int sdata;//测量到的温度的整数部分unsigned char xiaoshu1;//小数第一位unsigned char xiaoshu2;//小数第二位unsigned char xiaoshu;//两位小数