rage: externalSave: 开始
04-02 21:21:59.407 30863-30863/com.hex.demostorage I/DemoStorage: externalSave: saveImg
04-02 21:21:59.408 30863-30863/com.hex.demostorage I/DemoStorage: saveImg: 开始
04-02 21:21:59.412 30863-30863/com.hex.demostorage I/DemoStorage: saveImg: 路径：/storage/emulated/0/hex/images
04-02 21:21:59.412 30863-30863/com.hex.demostorage I/DemoStorage: saveImg: 判断路径：ok
04-02 21:21:59.412 30863-30863/com.hex.demostorage I/DemoStorage: saveImg: 判断文件：2
04-02 21:21:59.414 30863-30863/com.hex.demostorage I/DemoStorage: saveImg: 异常：No such file or directory
04-02 21:21:59.414 30863-30863/com.hex.demostorage I/DemoStorage: externalSave: saveImg:false
04-02 21:21:59.414 30863-30863/com.hex.demostorage I/DemoStorage: externalSave: 结束
开启App的存储权限
04-02 21:22:48.519 31306-31306/com.hex.demostorage I/DemoStorage: externalSave: 开始
04-02 21:22:48.754 31306-31306/com.hex.demostorage I/DemoStorage: externalSave: saveImg
04-02 21:22:48.755 31306-31306/com.hex.demostorage I/DemoStorage: saveImg: 开始
04-02 21:22:48.759 31306-31306/com.hex.demostorage I/DemoStorage: saveImg: 路径：/storage/emulated/0/hex/images
04-02 21:22:48.760 31306-31306/com.hex.demostorage I/DemoStorage: saveImg: 判断路径：ok
04-02 21:22:48.760 31306-31306/com.hex.demostorage I/DemoStorage: saveImg: 判断文件：2
04-02 21:22:48.761 31306-31306/com.hex.demostorage I/DemoStorage: saveImg: 判断文件：ok
04-02 21:22:48.763 31306-31306/com.hex.demostorage I/DemoStorage: externalSave: saveImg:true
04-02 21:22:48.787 31306-31306/com.hex.demostorage I/DemoStorage: externalSave: 结束
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