{"id":186860,"date":"2023-06-24T08:46:58","date_gmt":"2023-06-24T00:46:58","guid":{"rendered":"http:\/\/www.idc.net\/help\/186860\/"},"modified":"2023-06-24T08:46:58","modified_gmt":"2023-06-24T00:46:58","slug":"%e5%90%8e%e6%b5%aa%e4%ba%91%e7%99%be%e5%ba%a6%e5%b0%8f%e7%a8%8b%e5%ba%8f%e6%95%99%e7%a8%8b%ef%bc%9a%e6%9c%ac%e5%9c%b0%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/186860\/","title":{"rendered":"\u540e\u6d6a\u4e91\u767e\u5ea6\u5c0f\u7a0b\u5e8f\u6559\u7a0b\uff1a\u672c\u5730\u6587\u4ef6"},"content":{"rendered":"<ul>\n<li>\u672c\u5730\u6587\u4ef6\n<ul>\n<li>\u672c\u5730\u4e34\u65f6\u6587\u4ef6<\/li>\n<li>\u672c\u5730\u7528\u6237\u6587\u4ef6<\/li>\n<li>\u672c\u5730\u7f13\u5b58\u6587\u4ef6\n<ul><\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h1><span><\/span>\u672c\u5730\u6587\u4ef6<\/h1>\n<h3><span><\/span>\u672c\u5730\u4e34\u65f6\u6587\u4ef6<\/h3>\n<ul>\n<li>\u201c\u672c\u5730\u4e34\u65f6\u6587\u4ef6\u201d \u662f\u901a\u8fc7\u8c03\u7528\u7279\u5b9a\u7684\u63a5\u53e3\u4e34\u65f6\u4ea7\u751f\u7684\u6587\u4ef6\uff08\u5982\u4f7f\u7528 <code>swan.downloadFile(...)<\/code> \u4e0b\u8f7d\u800c\u6765\uff09\u3002\u8fd9\u4e9b\u7279\u5b9a\u7684 API \u4f1a\u8fd4\u56de\u4e00\u4e2a\u4e34\u65f6\u6587\u4ef6\u5730\u5740\uff0c\u8be5\u5730\u5740\u53ea\u80fd\u5728\u5f53\u524d\u5c0f\u7a0b\u5e8f\u7684\u751f\u547d\u5468\u671f\u5185\u4f7f\u7528\uff0c\u5728\u5c0f\u7a0b\u5e8f\u91cd\u542f\u540e\uff0c\u8be5\u4e34\u65f6\u5730\u5740\u548c \u201c\u672c\u5730\u4e34\u65f6\u6587\u4ef6\u201d \u4f1a\u88ab\u6e05\u9664\u3002<\/li>\n<li>\u201c\u672c\u5730\u4e34\u65f6\u6587\u4ef6\u201d \u53ef\u4ee5\u901a\u8fc7 <code>fs.saveFile(...)<\/code> \u6216 <code>fs.copyFile(...)<\/code> \u6765\u6301\u4e45\u5316\u6210 \u201c\u672c\u5730\u7528\u6237\u6587\u4ef6\u201d\u3002<\/li>\n<li>\u751f\u547d\u5468\u671f\uff1a\n<ul>\n<li>\u901a\u8fc7\u8c03\u7528\u7279\u5b9a\u7684\u63a5\u53e3\u4ea7\u751f\u3002<\/li>\n<li>\u5f53\u9000\u51fa\u5f53\u524d\u5c0f\u7a0b\u5e8f\u65f6\uff0c\u6216\u8005\u540e\u53f0\u8fd0\u884c\u5c0f\u7a0b\u5e8f\u81f3 5 \u5206\u949f\u540e\uff0c\u6216\u8005\u6740\u6b7b\u767e\u5ea6 APP \u8fdb\u7a0b\u65f6\uff0c\u6216\u8005\u5c0f\u7a0b\u5e8f\u88ab\u5220\u9664\u65f6\uff0c\u4f1a\u88ab\u6e05\u9664\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u8bfb\u5199\u6743\u9650\uff1a\u53ea\u53ef\u8bfb\uff0c\u4e0d\u53ef\u5199\u5165\uff0c\u4e5f\u4e0d\u53ef\u5728 \u201c\u672c\u5730\u4e34\u65f6\u6587\u4ef6\u201d \u6240\u5728\u76ee\u5f55\u4e2d\u521b\u5efa\u5176\u4ed6\u6587\u4ef6\u3002<\/li>\n<li>\u8bbf\u95ee\u8def\u5f84\uff1a\u7531 API \u81ea\u52a8\u751f\u6210\uff08\u53e6\u5916\u4e5f\u53ef\u5728\u8c03\u7528 API \u65f6\u76f4\u63a5\u6307\u5b9a\u8def\u5f84\u5b58\u4e3a \u201c\u672c\u5730\u7528\u6237\u6587\u4ef6\u201d\uff09\u3002<\/li>\n<li>\u5b58\u50a8\u7a7a\u95f4\u9650\u5236\uff1a\u4e0d\u9650\u5236\u5b58\u50a8\u5927\u5c0f\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>\n \n \n <ol>\n  \n  \n  <li><code><span>const<\/span><span> fileSystemManager <\/span><span>=<\/span><span> swan<\/span><span>.<\/span><span>getFileSystemManager<\/span><span>();<\/span><\/code><\/li>\n  \n  \n  <li><code><span>swan<\/span><span>.<\/span><span>downloadFile<\/span><span>({<\/span><\/code><\/li>\n  \n  \n  <li><code><span> url<\/span><span>:<\/span><span> <\/span><span>'https:\/\/ms-static.cdn.bcebos.com\/miniappdocs\/img\/logo.png'<\/span><span>,<\/span><\/code><\/li>\n  \n  \n  <li><code><span> success<\/span><span>:<\/span><span> res <\/span><span>=&gt;<\/span><span> <\/span><span>{<\/span><\/code><\/li>\n  \n  \n  <li><code><span> <\/span><span>\/\/ \u6b64\u4e3a \u201c\u672c\u5730\u4e34\u65f6\u6587\u4ef6\u201d \u8def\u5f84\u3002<\/span><\/code><\/li>\n  \n  \n  <li><code><span> resolve<\/span><span>(<\/span><span>res<\/span><span>.<\/span><span>tempFilePath<\/span><span>);<\/span><\/code><\/li>\n  \n  \n  <li><code><span> <\/span><span>\/\/ \u5c06 \u201c\u672c\u5730\u4e34\u65f6\u6587\u4ef6\u201d \u6301\u4e45\u5316\u6210 \u201c\u672c\u5730\u7528\u6237\u6587\u4ef6\u201d\u3002<\/span><\/code><\/li>\n  \n  \n  <li><code><span> fileSystemManager<\/span><span>.<\/span><span>saveFileSync<\/span><span>(<\/span><span>res<\/span><span>.<\/span><span>tempFilePath<\/span><span>,<\/span><span> <\/span><span>`${swan.env.USER_DATA_PATH}\/my.png`<\/span><span>);<\/span><\/code><\/li>\n  \n  \n  <li><code><span> <\/span><span>}<\/span><\/code><\/li>\n  \n  \n  <li><code><span>});<\/span><\/code><\/li>\n \n \n <\/ol><\/pre>\n<h3><span><\/span>\u672c\u5730\u7528\u6237\u6587\u4ef6<\/h3>\n<ul>\n<li>\u201c\u672c\u5730\u7528\u6237\u6587\u4ef6\u201d \u662f\u4ece 3.130.1 \u7248\u672c\u5f00\u59cb\u65b0\u589e\u7684\u6982\u5ff5\uff0c\u6301\u4e45\u6027\u7684\u6587\u4ef6\uff0c\u901a\u8fc7\u8c03\u7528\u7279\u5b9a\u7684\u63a5\u53e3\u64cd\u4f5c\u4ea7\u751f\uff0c\u4e0d\u4f1a\u81ea\u52a8\u88ab\u5220\u9664\uff0c\u9664\u975e\u7528\u6237\u4e3b\u52a8\u5220\u9664\u5c0f\u7a0b\u5e8f\u3002<\/li>\n<li>\u751f\u547d\u5468\u671f\uff1a\n<ul>\n<li>\u901a\u8fc7\u8c03\u7528\u7279\u5b9a\u7684\u63a5\u53e3\u4ea7\u751f\u6216\u8005\u6e05\u9664\u3002<\/li>\n<li>\u5c0f\u7a0b\u5e8f\u88ab\u5220\u9664\u65f6\uff0c\u4f1a\u88ab\u6e05\u9664\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u8bfb\u5199\u6743\u9650\uff1a\u53ef\u8bfb\u53ef\u5199\uff0c\u53ef\u521b\u5efa\u6587\u4ef6\uff0c\u53ef\u5efa\u7acb\u76ee\u5f55\u3002<\/li>\n<li>\u8bbf\u95ee\u8def\u5f84\uff1a\u5fc5\u987b\u4ee5\u5185\u7f6e\u53d8\u91cf <code>swan.env.USER_DATA_PATH<\/code> \u5f00\u5934\uff0c\u5982\uff1a<code>${swan.env.USER_DATA_PATH}\/some\/xxx.xxx<\/code>\u3002\u4e0d\u652f\u6301\u76f8\u5bf9\u8def\u5f84\uff08\u5373\u4e0d\u652f\u6301 \u201c.\/\u201c \u6216 \u201c..\/\u201c\uff09\u3002<\/li>\n<li>\u5b58\u50a8\u7a7a\u95f4\u9650\u5236\uff1a\u4e0e \u201c\u672c\u5730\u7f13\u5b58\u6587\u4ef6\u201d \u5171\u8ba1\uff0c\u4e00\u4e2a\u7528\u6237\u7684\u4e00\u4e2a appId\uff0c\u6700\u591a\u53ef\u5b58\u50a8 10MB \u7684 \u201c\u672c\u5730\u7528\u6237\u6587\u4ef6\u201d\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>\n \n \n <ol>\n  \n  \n  <li><code><span>const<\/span><span> fs <\/span><span>=<\/span><span> swan<\/span><span>.<\/span><span>getFileSystemManager<\/span><span>();<\/span><\/code><\/li>\n  \n  \n  <li><code><span>fs<\/span><span>.<\/span><span>writeFileSync<\/span><span>(<\/span><span>`${swan.env.USER_DATA_PATH}\/some.txt`<\/span><span>,<\/span><span> <\/span><span>'hello'<\/span><span>,<\/span><span> <\/span><span>'utf8'<\/span><span>);<\/span><\/code><\/li>\n  \n  \n  <li><code><span>fs<\/span><span>.<\/span><span>mkdirSync<\/span><span>(<\/span><span>`${swan.env.USER_DATA_PATH}\/my`<\/span><span>);<\/span><\/code><\/li>\n \n \n <\/ol><\/pre>\n<h3><span><\/span>\u672c\u5730\u7f13\u5b58\u6587\u4ef6<\/h3>\n<ul>\n<li>\u201c\u672c\u5730\u7f13\u5b58\u6587\u4ef6\u201d \u5c0f\u7a0b\u5e8f\u901a\u8fc7\u63a5\u53e3\u628a\u672c\u5730\u4e34\u65f6\u6587\u4ef6\u7f13\u5b58\u540e\u4ea7\u751f\u7684\u6587\u4ef6\uff0c\u4e0d\u80fd\u81ea\u5b9a\u4e49\u76ee\u5f55\u548c\u6587\u4ef6\u540d\u3002<\/li>\n<li>\u751f\u547d\u5468\u671f\uff1a\n<ul>\n<li>\u901a\u8fc7\u8c03\u7528\u7279\u5b9a\u7684\u63a5\u53e3\u4ea7\u751f\u3002<\/li>\n<li>\u5c0f\u7a0b\u5e8f\u88ab\u91cd\u542f\u540e\u4ecd\u53ef\u7528\u3002<\/li>\n<li>\u5c0f\u7a0b\u5e8f\u88ab\u5220\u9664\u65f6\uff0c\u4f1a\u88ab\u6e05\u9664\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u8bfb\u5199\u6743\u9650\uff1a\u53ea\u53ef\u8bfb\uff0c\u4e0d\u53ef\u5199\u5165\uff0c\u4e5f\u4e0d\u53ef\u5728 \u201c\u672c\u5730\u7f13\u5b58\u6587\u4ef6\u201d \u6240\u5728\u76ee\u5f55\u4e2d\u521b\u5efa\u5176\u4ed6\u6587\u4ef6\u3002<\/li>\n<li>\u8bbf\u95ee\u8def\u5f84\uff1a\u7531 API \u81ea\u52a8\u751f\u6210\u3002<\/li>\n<li>\u5b58\u50a8\u7a7a\u95f4\u9650\u5236\uff1a\u4e0e \u201c\u672c\u5730\u7528\u6237\u6587\u4ef6\u201d \u5171\u8ba1\uff0c\u4e00\u4e2a\u7528\u6237\u7684\u4e00\u4e2a appId\uff0c\u6700\u591a\u53ef\u5b58\u50a8 10MB \u7684 \u201c\u672c\u5730\u7f13\u5b58\u6587\u4ef6\u201d\u3002<\/li>\n<li>\u6ce8\u610f\uff1a\u672c\u5730\u7f13\u5b58\u6587\u4ef6\u662f\u6700\u521d\u7684\u8bbe\u8ba1\uff0c3.130.1 \u7248\u672c\u5f00\u59cb\uff0c\u63d0\u4f9b\u4e86\u529f\u80fd\u66f4\u5b8c\u6574\u7684\u672c\u5730\u7528\u6237\u6587\u4ef6\uff0c\u53ef\u4ee5\u5b8c\u5168\u8986\u76d6\u672c\u5730\u7f13\u5b58\u6587\u4ef6\u7684\u529f\u80fd\uff0c\u5982\u679c\u4e0d\u9700\u8981\u517c\u5bb9\u4f4e\u4e8e 3.130.1 \u7248\u672c\uff0c\u53ef\u4ee5\u4e0d\u4f7f\u7528\u672c\u5730\u7f13\u5b58\u6587\u4ef6\u3002<\/li>\n<\/ul>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>\n \n \n <ol>\n  \n  \n  <li><code><span>const<\/span><span> fs <\/span><span>=<\/span><span> swan<\/span><span>.<\/span><span>getFileSystemManager<\/span><span>();<\/span><\/code><\/li>\n  \n  \n  <li><code><span>fs<\/span><span>.<\/span><span>saveFile<\/span><span>({<\/span><\/code><\/li>\n  \n  \n  <li><code><span> tempFilePath<\/span><span>:<\/span><span> <\/span><span>''<\/span><span>,<\/span><span> <\/span><span>\/\/ \u672c\u5730\u4e34\u65f6\u6587\u4ef6\u8def\u5f84<\/span><\/code><\/li>\n  \n  \n  <li><code><span> success<\/span><span>(<\/span><span>res<\/span><span>)<\/span><span> <\/span><span>{<\/span><\/code><\/li>\n  \n  \n  <li><code><span> console<\/span><span>.<\/span><span>log<\/span><span>(<\/span><span>res<\/span><span>.<\/span><span>savedFilePath<\/span><span>)<\/span><span> <\/span><span>\/\/ res.savedFilePath \u4e3a\u4e00\u4e2a\u672c\u5730\u7f13\u5b58\u6587\u4ef6\u8def\u5f84<\/span><\/code><\/li>\n  \n  \n  <li><code><span> <\/span><span>}<\/span><\/code><\/li>\n  \n  \n  <li><code><span>})<\/span><\/code><\/li>\n \n \n <\/ol><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u5730\u6587\u4ef6 \u672c\u5730\u4e34\u65f6\u6587\u4ef6 \u672c\u5730\u7528\u6237\u6587\u4ef6 \u672c\u5730\u7f13\u5b58\u6587\u4ef6 \u672c\u5730\u6587\u4ef6 \u672c\u5730\u4e34\u65f6\u6587\u4ef6 \u201c\u672c\u5730\u4e34\u65f6\u6587\u4ef6\u201d \u662f\u901a\u8fc7\u8c03\u7528\u7279\u5b9a\u7684 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[182398],"tags":[],"class_list":["post-186860","post","type-post","status-publish","format-standard","hentry","category-mini-program"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/186860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=186860"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/186860\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=186860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=186860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=186860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}