第一步创建GuoLu.c文件 // //CreatedbyDELLon2023/8/13. // include<stdio.h> include<stdlib.h> include<jni.h> include<unistd.h> intpressure=20; intgetPressure(){ intincrease=rand()%25; pressure+=increase; returnpressure; } / 从锅炉感应器中得到锅炉压力值 / jintJava_com_example_guolu_MainActivity_...