2020-09-04

格式化写文件，保留２位小数 fprintf(fp,"Measurement [%d]: (%.2f,%.2f,%.2f),(%.2f,%.2f,%.2f)\n", i, fLoc1.x, fLoc1.y, fLoc1.z, fLoc2.x, fLoc2.y, fLoc2.z );