2025.8.28 1. 新增走航任务统计功能（待完成）

feiyu02

2025-08-28 ddaa44400aa478058ffe9349d59904a130b7ce9c

 src/main/kotlin/com/flightfeather/uav/common/utils/FileUtil.kt

@@ -65,12 +65,12 @@
//            }
            //新建输出流
            fw = FileWriter(file, true)
            bw = BufferedWriter(fw)
            bw = fw?.let { BufferedWriter(it) }
        }
        //第一次写文档时初始化输出流
        if (bw == null || fw == null) {
            fw = FileWriter(file, true)
            bw = BufferedWriter(fw)
            bw = fw?.let { BufferedWriter(it) }
        }

        bw?.run {