{"id":1306,"date":"2023-03-18T11:11:12","date_gmt":"2023-03-18T03:11:12","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=1306"},"modified":"2023-04-29T09:15:40","modified_gmt":"2023-04-29T01:15:40","slug":"h5-app-click-on-the-image-to-save-to-the-album","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/03\/18\/h5-app-click-on-the-image-to-save-to-the-album\/","title":{"rendered":"H5+App\u70b9\u51fb\u56fe\u7247\u4fdd\u5b58\u5230\u76f8\u518c"},"content":{"rendered":"<p>\u4e1a\u52a1\u573a\u666f\uff1awebapp\u70b9\u51fb\u56fe\u7247\u4fdd\u5b58\u5230\u76f8\u518c<\/p>\n<p>\u4f7f\u7528\u7684h5api\uff1a<\/p>\n<ul>\n<li><code>plus.gallery<\/code>(\u7cfb\u7edf\u76f8\u518c): <a target=\"_blank\" rel=\"noopener\" href=\"http:\/\/www.html5plus.org\/doc\/zh_cn\/gallery.html\">http:\/\/www.html5plus.org\/doc\/zh_cn\/gallery.html<\/a><\/li>\n<li><code>plus.nativeObj.Bitmap<\/code>: <a target=\"_blank\" rel=\"noopener\" href=\"http:\/\/www.html5plus.org\/doc\/zh_cn\/nativeobj.html#plus.nativeObj.Bitmap\">http:\/\/www.html5plus.org\/doc\/zh_cn\/nativeobj.html#plus.nativeObj.Bitmap<\/a><\/li>\n<\/ul>\n<p><!-- more --><\/p>\n<p>\u601d\u8def\uff1a\u70b9\u51fb\u4fdd\u5b58\u5230\u76f8\u518c\u8981\u8c03\u7528\u4fdd\u5b58\u5230\u76f8\u518c\u7684<code>save<\/code>\u65b9\u6cd5\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\u624b\u673a\u7684\u672c\u5730\u6587\u4ef6\u8def\u5f84\uff0c\u8fd9\u91cc\u5c31\u6709\u4e00\u4e2a\u95ee\u9898\u6211\u4eec\u9700\u8981\u5c06\u5f53\u524d\u9875\u9762\u7684\u6587\u4ef6\u5148\u5b58\u5165\u624b\u673a\u7684\u7cfb\u7edf\u6587\u4ef6\u4e2d\uff0c\u7ecf\u8fc7api\u5bfb\u627e\u53d1\u73b0<code>nativeObj<\/code>\u4e2d\u7684<code>Bitmap<\/code>\u662f\u53ef\u4ee5\u901a\u8fc7<code>loadBase64Data()<\/code>\u5c06<code>base64<\/code>\u8f6c\u6362\u6210\u539f\u751f\u56fe\u7247\u5bf9\u8c61\uff0c\u4e4b\u540e\u4f7f\u7528<code>bitmap.save<\/code>\u53ef\u4ee5\u5c06\u539f\u751f\u56fe\u7247\u5bf9\u8c61\u653e\u5165\u7cfb\u7edf\u6587\u4ef6\u5e76\u4e14\u901a\u8fc7\u6210\u529f\u56de\u8c03\u83b7\u5f97\u6587\u4ef6\u7684\u5730\u5740\uff0c\u4e4b\u540e\u518d\u8c03\u7528<code>gallery<\/code>\u7684<code>save()<\/code>\u4fdd\u5b58\u5373\u53ef\u3002<\/p>\n<h3>imageDown<\/h3>\n<p>\u5165\u53e3\u51fd\u6570\uff08\u8f6c\u5316\u7684\u56fe\u7247<code>base64<\/code>\uff0c\u6210\u529f\u56de\u8c03\uff0c\u5931\u8d25\u56de\u8c03\uff09<\/p>\n<pre><code class=\"language-javascript\">const\u00a0imageDown\u00a0=\u00a0function\u00a0(base64,\u00a0success,\u00a0error)\u00a0{\n\u00a0\u00a0var\u00a0bitmap\u00a0=\u00a0new\u00a0window.plus.nativeObj.Bitmap(&#039;image&#039;)\n\u00a0\u00a0bitmap.loadBase64Data(base64,\u00a0function\u00a0(i)\u00a0{\n\u00a0\u00a0\u00a0\u00a0bigmapToSave(bitmap,\u00a0success,\u00a0error)\n\u00a0\u00a0},\u00a0function\u00a0(err)\u00a0{\n\u00a0\u00a0\u00a0\u00a0window.plus.nativeUI(err.message)\n\u00a0\u00a0})\n}\n\nexport\u00a0default\u00a0imageDown<\/code><\/pre>\n<h3>bigmapTosave<\/h3>\n<p>\u8c03\u7528\u4fdd\u5b58<code>Bitmap<\/code>\u7684\u56fe\u7247\u5230\u672c\u673a\u7cfb\u7edf\u6587\u4ef6\uff0c\u4e3a\u4e4b\u540e\u76f8\u518c\u4fdd\u5b58\u63d0\u4f9b\u8def\u5f84<\/p>\n<pre><code class=\"language-javascript\">const\u00a0bigmapToSave\u00a0=\u00a0function\u00a0(bitmap,\u00a0success,\u00a0error)\u00a0{\n\u00a0\u00a0var\u00a0name\u00a0=\u00a0randomString(10)\n\u00a0\u00a0bitmap.save(`_doc\/${name}.jpg`,\u00a0{\u00a0overwrite:\u00a0false\u00a0},\u00a0function\u00a0(event)\u00a0{\n\u00a0\u00a0\u00a0\u00a0console.log(event.target)\n\u00a0\u00a0\u00a0\u00a0imageSaveByGallery(event.target,\u00a0success,\u00a0error)\n\u00a0\u00a0},\u00a0function\u00a0(err)\u00a0{\n\u00a0\u00a0\u00a0\u00a0window.plus.nativeUI(err.message)\n\u00a0\u00a0})\n}<\/code><\/pre>\n<p>\u6ce8\u610f\uff1a\u8fd9\u91cc\u4f7f\u7528\u968f\u673a\u4e00\u4e2a\u5b57\u7b26\u4e32\u4f5c\u4e3a\u5b58\u50a8\u7684\u5b89\u5353\u8def\u5f84\u540d\uff0c\u662f\u56e0\u4e3a\u5982\u679c\u5199\u6b7b\u540c\u4e2a\u8def\u5f84\uff0c\u4e0d\u540c\u7684<code>base64<\/code>\u56fe\u7247\u5bf9\u8c61\u4f1a\u8986\u76d6\u539f\u6709\u7684\u8def\u5f84\uff0c\u4e0d\u540c\u673a\u578b\u8fd8\u6ca1\u6d4b\u8bd5\uff0c<code>bitmap.save()<\/code>\u4e2d<code>saveOption<\/code>\u7684<code>overwrite<\/code>\u5728\u6211\u6d4b\u8bd5\u673a\u4e0a\u65e0\u6548\u3002\u6545\u4f7f\u7528\u8fc7\u8fd9\u4e2a\u65b9\u6cd5<\/p>\n<h3>imageSaveByGallery<\/h3>\n<p>\u4fdd\u5b58\u5230\u76f8\u518c\uff0c\u4fdd\u5b58\u6210\u529f\u8c03\u7528\u5916\u90e8\u7684\u6210\u529f\u7684\u56de\u8c03\uff0c\u5931\u8d25\u8c03\u7528\u5931\u8d25\u7684\u56de\u8c03<\/p>\n<pre><code class=\"language-javascript\">const\u00a0imageSaveByGallery\u00a0=\u00a0function\u00a0(url,\u00a0success,\u00a0error)\u00a0{\n\u00a0\u00a0window.plus.gallery.save(url,\u00a0function\u00a0(event)\u00a0{\n\u00a0\u00a0\u00a0\u00a0const\u00a0tarbitmap\u00a0=\u00a0window.plus.nativeObj.Bitmap.getBitmapById(&#039;image&#039;)\n\u00a0\u00a0\u00a0\u00a0tarbitmap.clear()\n\u00a0\u00a0\u00a0\u00a0success()\n\u00a0\u00a0},\u00a0function\u00a0(err)\u00a0{\n\u00a0\u00a0\u00a0\u00a0window.plus.nativeUI(err.message)\n\u00a0\u00a0\u00a0\u00a0error()\n\u00a0\u00a0})\n}<\/code><\/pre>\n<p>\u6ce8\u610f\uff1a\u5f53\u4fdd\u5b58\u6210\u529f\u4e4b\u540e\u8981\u8bb0\u5f97\u4f7f\u7528<code>bitmap.clear()<\/code>\u6e05\u695a\u5185\u5b58\uff0c\u56e0\u4e3a\u539f\u751f\u56fe\u50cf\u7684\u5185\u5b58\u5360\u7528\u8f83\u5927\uff0c\u6587\u6863\u4e2d\u6709\u6240\u63d0\u793a<\/p>\n<h3>randomString<\/h3>\n<p>\u968f\u673a\u4e00\u4e2a\u5b57\u7b26\u4e32<\/p>\n<pre><code class=\"language-javascript\">const\u00a0randomString\u00a0=\u00a0function\u00a0randomString\u00a0(e)\u00a0{\n\u00a0\u00a0e\u00a0=\u00a0e\u00a0||\u00a032\n\u00a0\u00a0var\u00a0t\u00a0=\u00a0&#039;ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678&#039;\n\u00a0\u00a0var\u00a0a\u00a0=\u00a0t.length\n\u00a0\u00a0var\u00a0n\u00a0=\u00a0&#039;&#039;\n\u00a0\u00a0for\u00a0(var\u00a0i\u00a0=\u00a00;\u00a0i\u00a0&lt;\u00a0e;\u00a0i++)\u00a0n\u00a0+=\u00a0t.charAt(Math.floor(Math.random()\u00a0*\u00a0a))\n\u00a0\u00a0return\u00a0n\n}<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4e1a\u52a1\u573a\u666f\uff1awebapp\u70b9\u51fb\u56fe\u7247\u4fdd\u5b58\u5230\u76f8\u518c \u4f7f\u7528\u7684h5api\uff1a plus.gallery(\u7cfb\u7edf\u76f8\u518c): http [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[159],"class_list":["post-1306","post","type-post","status-publish","format-standard","hentry","category-frontend-basic","tag-h5"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1306","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1306"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/1306\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1306"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1306"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1306"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}