{"id":1022,"date":"2023-07-27T14:52:54","date_gmt":"2023-07-27T06:52:54","guid":{"rendered":"https:\/\/www.yimenyun.cn\/emen\/?p=1022"},"modified":"2023-07-27T14:52:54","modified_gmt":"2023-07-27T06:52:54","slug":"app%e5%bc%80%e5%8f%91sd%e5%8d%a1%e9%9c%80%e8%a6%81%e6%b3%a8%e6%84%8f%e5%93%aa%e4%ba%9b%e7%bb%86%e8%8a%82%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.yimenyun.cn\/emen\/1022\/","title":{"rendered":"app\u5f00\u53d1sd\u5361\u9700\u8981\u6ce8\u610f\u54ea\u4e9b\u7ec6\u8282\uff1f"},"content":{"rendered":"
\u5728\u79fb\u52a8\u8bbe\u5907\u5e02\u573a\u7684\u5feb\u901f\u53d1\u5c55\u8fc7\u7a0b\u4e2d\uff0c\u6211\u4eec\u5df2\u7ecf\u89c1\u8bc1\u4e86\u8bb8\u591a\u7684\u9769\u65b0\u548c\u53d1\u5c55\u3002\u800c\u5728\u6240\u6709\u8fd9\u4e9b\u53d1\u5c55\u4e2d\uff0cSD\u5361\u662f\u4fdd\u6301\u6301\u7eed\u91cd\u8981\u6027\u7684\u4e00\u4e2a\u5173\u952e\u90e8\u5206\u3002\u5b83\u4e3a\u8fdb\u4e00\u6b65\u6539\u8fdb\u548c\u6269\u5c55\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u4e86\u5fc5\u8981\u7684\u50a8\u5b58\u7a7a\u95f4\u3002\u4f5c\u4e3a\u4e00\u540d\u5728\u4e92\u8054\u7f51\u9886\u57df\u6709\u7740\u4e30\u5bcc\u77e5\u8bc6\u7684\u7f51\u7ad9\u535a\u4e3b\uff0c\u6211\u5c06\u5728\u8fd9\u7bc7\u6587\u7ae0\u6559\u7a0b\u4e2d\u89e3\u91caapp\u5f00\u53d1\u4e2dSD\u5361\u7684\u4f7f\u7528\u539f\u7406\u548c\u8be6\u7ec6\u4ecb\u7ecd\u3002<\/p>\n
SD\u5361\uff0c\u5373Secure Digital\u5361\uff0c\u662f\u79fb\u52a8\u8bbe\u5907\u4e2d\u5e38\u89c1\u7684\u5b58\u50a8\u5361\u7c7b\u578b\uff0c\u5b83\u4eec\u901a\u5e38\u5177\u6709\u8f83\u5927\u7684\u5b58\u50a8\u5bb9\u91cf\u3002SD\u5361\u7528\u4e8e\u6269\u5c55\u8bbe\u5907\u7684\u5185\u90e8\u5b58\u50a8\u7a7a\u95f4\uff0c\u56e0\u6b64\u5176\u5e94\u7528\u7a0b\u5e8f\u53ef\u4ee5\u5b58\u50a8\u66f4\u591a\u7684\u4fe1\u606f\u548c\u5a92\u4f53\u6587\u4ef6\u3002<\/p>\n
\u9996\u5148\uff0c\u5728\u8ba8\u8bba\u5982\u4f55\u5728app\u5f00\u53d1\u4e2d\u4f7f\u7528SD\u5361\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u4e86\u89e3Android\u7684\u6587\u4ef6\u5b58\u50a8\u7ed3\u6784\u3002Android\u7cfb\u7edf\u7684\u6587\u4ef6\u5b58\u50a8\u7ed3\u6784\u53ef\u5206\u4e3a\u5185\u90e8\u5b58\u50a8\u548c\u5916\u90e8\u5b58\u50a8\u3002\u5185\u90e8\u5b58\u50a8\u662f\u6307\u8bbe\u5907\u672c\u8eab\u7684\u5b58\u50a8\u7a7a\u95f4\uff0c\u901a\u5e38\u7528\u4e8e\u5b89\u88c5\u5e94\u7528\u7a0b\u5e8f\u548c\u5b58\u50a8\u5176\u6570\u636e\u3002\u5916\u90e8\u5b58\u50a8\u6307\u7684\u662f\u8bbe\u5907\u4e0a\u53ef\u4ee5\u79fb\u9664\u7684SD\u5361\uff0c\u4f46\u5728\u67d0\u4e9b\u8bbe\u5907\u4e2d\uff0c\u9884\u88c5\u7684\u8bbe\u5907\u5b58\u50a8\u4e5f\u88ab\u89c6\u4e3a\u5916\u90e8\u5b58\u50a8\uff08\u5982\u90e8\u5206\u5185\u7f6eSD\u5361\u8bbe\u5907\uff09\u3002<\/p>\n
\u5728app\u5f00\u53d1\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Android\u63d0\u4f9b\u7684\u6587\u4ef6\u5b58\u50a8API\u6765\u8bfb\u5199SD\u5361\u3002\u4f7f\u7528\u8fd9\u4e9bAPI\uff0c\u6211\u4eec\u53ef\u4ee5\u5728SD\u5361\u4e0a\u521b\u5efa\u3001\u5220\u9664\u3001\u66f4\u65b0\u548c\u8bfb\u53d6\u6587\u4ef6\u3002\u4f46\u662f\uff0c\u5728\u6267\u884c\u8fd9\u4e9b\u64cd\u4f5c\u4e4b\u524d\uff0c\u6211\u4eec\u9700\u8981\u5728\u5e94\u7528\u7a0b\u5e8f\u7684AndroidManifest.xml\u6587\u4ef6\u4e2d\u6dfb\u52a0\u8bfb\u53d6\u5916\u90e8\u5b58\u50a8\u548c\u5199\u5165\u5916\u90e8\u5b58\u50a8\u7684\u6743\u9650\u3002<\/p>\n
\u4e0b\u9762\u662f\u5177\u4f53\u7684\u5b9e\u65bd\u6b65\u9aa4\uff1a<\/p>\n
1. \u6dfb\u52a0\u6743\u9650<\/p>\n
\u5728AndroidManifest.xml\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u6743\u9650\uff1a<\/p>\n
“`xml<\/p>\n<\/p>\n
“`<\/p>\n
2. \u68c0\u67e5\u548c\u8bf7\u6c42\u6743\u9650\uff08\u9488\u5bf9Android 6.0\u4ee5\u4e0a\uff09<\/p>\n
\u5bf9\u4e8eAndroid 6.0\u53ca\u4ee5\u4e0a\u7248\u672c\uff0c\u6211\u4eec\u9700\u8981\u5728\u8fd0\u884c\u65f6\u8bf7\u6c42\u5b58\u50a8\u6743\u9650\u3002\u5728\u6267\u884c\u6587\u4ef6\u64cd\u4f5c\u524d\uff0c\u8bf7\u52a1\u5fc5\u68c0\u67e5\u6743\u9650\u662f\u5426\u5df2\u88ab\u6388\u4e88\uff0c\u5982APP\u5f00\u53d1<\/a>\u679c\u6ca1\u6709\uff0c\u8bf7\u5411\u7528\u6237\u8bf7\u6c42\u6743\u9650\u3002<\/p>\n 3. \u8bfb\u5199SD\u5361<\/p>\n \u4e3a\u4e86\u6267\u884cSD\u5361\u4e0a\u7684\u6587\u4ef6\u64cd\u4f5c\uff0c\u6211\u4eec\u9700\u8981\u6839\u636e\u5b98\u65b9\u6587\u6863\u4f7f\u7528Environment.getExternalStoragePublicDirectory(String)\u65b9\u6cd5\u6765\u83b7\u53d6SD\u5361\u7684\u8def\u5f84\u3002\u5728\u4f7f\u7528\u8fd9\u4e2aAPI\u4e4b\u540e\uff0c\u6211\u4eec\u53ef\u4ee5\u6839\u636e\u6587\u4ef6\u8def\u5f84\u6267\u884c\u5404\u79cd\u6587\u4ef6\u64cd\u4f5c\uff0c\u4f8b\u5982\u521b\u5efa\u6587\u4ef6\u3001\u5220\u9664\u6587\u4ef6\u3001\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u7b49\u3002<\/p>\n \u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\u64cd\u4f5c\uff1a<\/p>\n \u521b\u5efa\u6587\u4ef6\uff1a<\/p>\n “`java<\/p>\n try {<\/p>\n \tFile root = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOCUMENTS);<\/p>\n \tFile myFile = new File(root, “example.txt”);<\/p>\n \tif (!myFile.exists()) {<\/p>\n \t\tmyFile.createNewFile();<\/p>\n \t}<\/p>\n } catch (IOException e) {<\/p>\n \te.printStackTrace();<\/p>\n }<\/p>\n “`<\/p>\n \u8bfb\u53d6\u6587\u4ef6\uff1a<\/p>\n “`java<\/p>\n try {<\/p>\n \tFile root = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOCUMENTS);<\/p>\n