\u5f88\u591a\u5e94\u7528\u4e3a\u4e86\u6240\u8c13\u7684\u201c\u5b9e\u65f6\u6027\u201d，\u6068\u4e0d\u5f97\u8ba9\u81ea\u5df1\u7684\u8fdb\u7a0b\u5728\u540e\u53f0\u6c38\u8fdc\u5b58\u6d3b\u3002\u5728\u9e3f\u8499\u751f\u6001\u91cc，\u7cfb\u7edf\u5bf9\u540e\u53f0\u7ba1\u63a7\u6781\u5176\u4e25\u82db\u3002\u5982\u679c\u4f60\u7684\u5e94\u7528\u88ab\u68c0\u6d4b\u5230\u5728\u540e\u53f0\u5077\u5077\u8fd0\u884c，\u4e0d\u4ec5\u4f1a\u88ab\u7cfb\u7edf\u5f3a\u6740，\u8fd8\u4f1a\u9762\u4e34\u4e0a\u67b6\u5ba1\u6838\u88ab\u62d2\u7684\u98ce\u9669\u3002\u6b63\u786e\u4f7f\u7528\u957f\u65f6\u4efb\u52a1，\u662f\u6bcf\u4e00\u4e2a\u6210\u719f\u5e94\u7528\u7684\u5fc5\u4fee\u8bfe\u3002<\/p>\n
\u5408\u6cd5\u4fdd\u6d3b\u7684\u540e\u53f0\u6a21\u5f0f<\/p>\n
\u9e3f\u8499\u7cfb\u7edf\u53ea\u5141\u8bb8\u7279\u5b9a\u7c7b\u578b\u7684\u4efb\u52a1\u5728\u540e\u53f0\u957f\u671f\u8fd0\u884c\u3002\u4f60\u5fc5\u987b\u5728\u00a0module.json5\u00a0\u4e2d\u58f0\u660e\u5bf9\u5e94\u7684\u00a0backgroundModes\u3002<\/p>\n
json<\/p>\n
{
\n "module": {
\n "abilities": [
\n {
\n "name": "EntryAbility",
\n "backgroundModes": [
\n "audioPlayback",
\n "location",
\n "dataTransfer"
\n ]
\n }
\n ]
\n }
\n}<\/p>\n
\u8b66\u793a：\u8fd9\u91cc\u5199\u4ec0\u4e48，\u4f60\u5c31\u53ea\u80fd\u5e72\u4ec0\u4e48\u3002\u5982\u679c\u4f60\u7533\u8bf7\u4e86\u00a0audioPlayback，\u4f46\u4f60\u7684\u5e94\u7528\u5728\u540e\u53f0\u6839\u672c\u6ca1\u6709\u97f3\u9891\u6d41\u7684\u8f93\u5165\u8f93\u51fa，\u7cfb\u7edf\u7684\u529f\u8017\u68c0\u6d4b\u673a\u5236\u4f1a\u7acb\u523b\u5bdf\u89c9，\u51e0\u79d2\u949f\u5185\u5c31\u4f1a\u51bb\u7ed3\u4f60\u7684\u8fdb\u7a0b\u3002<\/p>\n
\u542f\u52a8\u4efb\u52a1\u4e0e\u901a\u77e5\u680f\u7684\u5f3a\u5236\u7ed1\u5b9a<\/p>\n
\u542f\u52a8\u957f\u65f6\u4efb\u52a1\u65f6，\u7cfb\u7edf\u4f1a\u5f3a\u5236\u5728\u901a\u77e5\u680f\u663e\u793a\u4e00\u6761\u6d88\u606f（\u6bd4\u5982\u201cXX\u5e94\u7528\u6b63\u5728\u540e\u53f0\u8fd0\u884c\u201d）\u3002\u8fd9\u662f\u4e3a\u4e86\u8ba9\u7528\u6237\u62e5\u6709\u77e5\u60c5\u6743，\u8fd9\u4e2a\u901a\u77e5\u662f\u5220\u4e0d\u6389\u7684\u3002<\/p>\n
typescript<\/p>\n
import backgroundTaskManager from '@ohos.resourceschedule.backgroundTaskManager';
\nimport wantAgent from '@ohos.app.ability.wantAgent';<\/p>\n
async function startUploadTask(context: Context) {
\n \/\/ \u5fc5\u987b\u914d\u7f6e WantAgent，\u8ba9\u7528\u6237\u70b9\u51fb\u901a\u77e5\u80fd\u56de\u5230\u5e94\u7528
\n const agent = await wantAgent.getWantAgent({
\n wants: [{ bundleName: 'com.example.app', abilityName: 'EntryAbility' }],
\n actionType: wantAgent.OperationType.START_ABILITY,
\n requestCode: 0
\n });<\/p>\n
try {
\n const taskId = await backgroundTaskManager.startBackgroundTask(
\n context,
\n backgroundTaskManager.BackgroundMode.DATA_TRANSFER,
\n agent
\n );
\n return taskId;
\n } catch (err) {
\n \/\/ \u5982\u679c\u7528\u6237\u5173\u95ed\u4e86\u901a\u77e5\u6743\u9650，\u6216\u8005\u7cfb\u7edf\u8d44\u6e90\u8017\u5c3d，\u8fd9\u91cc\u4f1a\u5931\u8d25
\n \/\/ \u5fc5\u987b\u6709\u964d\u7ea7\u9884\u6848，\u63d0\u793a\u7528\u6237\u4fdd\u6301\u5e94\u7528\u5728\u524d\u53f0
\n console.error('\u957f\u65f6\u4efb\u52a1\u7533\u8bf7\u5931\u8d25', err);
\n return -1;
\n }
\n}<\/p>\n
\u524d\u540e\u53f0\u5207\u6362\u7684\u751f\u547d\u5468\u671f\u9519\u4f4d<\/p>\n
\u8fd9\u662f\u4e00\u4e2a\u6781\u6613\u5f15\u53d1\u5185\u5b58\u6cc4\u6f0f\u548c\u8017\u7535\u6fc0\u589e\u7684\u9677\u9631：\u5e94\u7528\u5207\u5230\u540e\u53f0，\u4f60\u542f\u52a8\u4e86\u957f\u65f6\u4efb\u52a1；\u5f53\u7528\u6237\u5207\u56de\u524d\u53f0\u65f6，\u4f60\u5fd8\u4e86\u628a\u5b83\u5173\u6389\u3002<\/p>\n
\u5f53\u5e94\u7528\u56de\u5230\u524d\u53f0，UI \u5df2\u7ecf\u6d3b\u8dc3，\u6839\u672c\u4e0d\u9700\u8981\u7cfb\u7edf\u5728\u540e\u53f0\u4fdd\u6d3b\u3002\u5982\u679c\u4f60\u4e0d\u5173，\u7cfb\u7edf\u4f1a\u4e00\u76f4\u6302\u7740\u90a3\u6761\u901a\u77e5，\u5e76\u4e14\u6301\u7eed\u6263\u4f60\u7684\u7535\u91cf\u3002<\/p>\n
\u5fc5\u987b\u5728\u00a0UIAbility\u00a0\u7684\u751f\u547d\u5468\u671f\u91cc\u7cbe\u51c6\u63a7\u5236\u3002<\/p>\n
typescript<\/p>\n
export default class EntryAbility extends UIAbility {
\n private taskId: number = -1;<\/p>\n
onForeground() {
\n \/\/ \u56de\u5230\u524d\u53f0，\u7acb\u5373\u505c\u6b62\u957f\u65f6\u4efb\u52a1
\n if (this.taskId !== -1) {
\n backgroundTaskManager.stopBackgroundTask(this.taskId);
\n this.taskId = -1;
\n }
\n }<\/p>\n
onBackground() {
\n \/\/ \u5207\u5230\u540e\u53f0，\u5982\u679c\u5904\u4e8e\u4e0a\u4f20\u72b6\u6001，\u624d\u53bb\u7533\u8bf7\u957f\u65f6\u4efb\u52a1
\n if (AppStorage.get<boolean>('isUploading')) {
\n startUploadTask(this.context).then(id => {
\n this.taskId = id;
\n });
\n }
\n }
\n}<\/p>\n
\u65ad\u70b9\u7eed\u4f20\u624d\u662f\u771f\u6b63\u7684\u4fdd\u547d\u7b26<\/p>\n
\u6ca1\u6709\u4efb\u4f55\u957f\u65f6\u4efb\u52a1\u662f\u7edd\u5bf9\u4e0d\u6b7b（Immortal）\u7684\u3002\u5f53\u624b\u673a\u5185\u5b58\u6781\u5ea6\u7d27\u5f20，\u6216\u8005\u7528\u6237\u5f00\u542f\u4e86\u7701\u7535\u6a21\u5f0f，\u7cfb\u7edf\u8fde\u5e26\u4f60\u5e26\u4efb\u52a1\u4e00\u8d77\u6740\u662f\u5bb6\u5e38\u4fbf\u996d\u3002<\/p>\n
\u5982\u679c\u4f60\u5728\u540e\u53f0\u4e0b\u8f7d\u4e00\u4e2a 500MB \u7684\u5927\u6587\u4ef6，\u5343\u4e07\u4e0d\u80fd\u6307\u671b\u957f\u65f6\u4efb\u52a1\u80fd\u4fdd\u4f51\u4f60\u8dd1\u5b8c\u3002\u5fc5\u987b\u6bcf\u9694\u51e0\u79d2\u949f，\u628a\u5f53\u524d\u4e0b\u8f7d\u7684\u5b57\u8282\u6570\u548c\u8fdb\u5ea6，\u5199\u8fdb\u6570\u636e\u5e93\u6216\u8005\u00a0Preferences\u00a0\u91cc\u3002<\/p>\n
\u4e0b\u6b21\u5e94\u7528\u91cd\u65b0\u542f\u52a8（\u6216\u8005\u4efb\u52a1\u88ab\u91cd\u65b0\u5524\u9192），\u5148\u53bb\u6570\u636e\u5e93\u91cc\u8bfb\u8fdb\u5ea6，\u7136\u540e\u5e26\u4e0a\u00a0Range\u00a0\u5934，\u5411\u670d\u52a1\u5668\u53d1\u8d77\u65ad\u70b9\u7eed\u4f20\u8bf7\u6c42\u3002\u53ea\u6709\u505a\u597d\u65ad\u70b9\u7eed\u4f20，\u624d\u7b97\u662f\u4e00\u4e2a\u5408\u683c\u7684\u540e\u53f0\u4efb\u52a1\u3002<\/p>\n
\u5728\u4f60\u7684\u5e94\u7528\u91cc，\u5199\u4e00\u4e2a\u7b80\u5355\u7684\u5012\u8ba1\u65f6\u5668，\u6bcf\u5206\u949f\u5f80\u6c99\u7bb1\u91cc\u5199\u4e00\u884c\u65e5\u5fd7\u3002\u628a\u5b83\u52a0\u5165\u957f\u65f6\u4efb\u52a1\u3002\u7136\u540e\u5207\u5230\u540e\u53f0，\u6253\u5f00\u4e09\u4e2a\u5927\u578b\u6e38\u620f\u3002\u7b49\u534a\u4e2a\u5c0f\u65f6\u518d\u5207\u56de\u6765\u3002\u770b\u770b\u4f60\u7684\u65e5\u5fd7\u6709\u6ca1\u6709\u65ad\u6863，\u957f\u65f6\u4efb\u52a1\u662f\u5426\u88ab\u7cfb\u7edf\u56de\u6536\u3002\u8fd9\u624d\u662f\u6700\u771f\u5b9e\u7684\u540e\u53f0\u751f\u5b58\u6d4b\u8bd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f88\u591a\u5e94\u7528\u4e3a\u4e86\u6240\u8c13\u7684\u201c\u5b9e\u65f6\u6027\u201d，\u6068\u4e0d\u5f97\u8ba9\u81ea\u5df1\u7684\u8fdb\u7a0b\u5728\u540e\u53f0\u6c38\u8fdc\u5b58\u6d3b\u3002\u5728\u9e3f\u8499\u751f\u6001\u91cc，\u7cfb\u7edf\u5bf9\u540e\u53f0\u7ba1\u63a7\u6781\u5176\u4e25\u82db\u3002\u5982\u679c\u4f60\u7684\u5e94\u7528\u88ab\u68c0\u6d4b\u5230\u5728\u540e\u53f0\u5077\u5077\u8fd0\u884c，\u4e0d\u4ec5\u4f1a\u88ab\u7cfb\u7edf\u5f3a\u6740，\u8fd8\u4f1a\u9762\u4e34\u4e0a\u67b6\u5ba1\u6838\u88ab\u62d2\u7684\u98ce\u9669\u3002\u6b63\u786e\u4f7f\u7528\u957f\u65f6\u4efb\u52a1，\u662f\u6bcf\u4e00\u4e2a\u6210\u719f\u5e94\u7528\u7684\u5fc5\u4fee\u8bfe\u3002\u5408\u6cd5\u4fdd\u6d3b\u7684\u540e\u53f0\u6a21\u5f0f\u9e3f\u8499\u7cfb\u7edf\u53ea\u5141\u8bb8\u7279\u5b9a\u7c7b\u578b\u7684\u4efb\u52a1\u5728\u540e\u53f0\u957f\u671f\u8fd0\u884c\u3002\u4f60\u5fc5\u987b\u5728\u00a0module.json5\u00a0\u4e2d\u58f0\u660e\u5bf9\u5e94\u7684\u00a0backgroundModes\u3002json{\\”module\\”: {\\”ab<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"topic":[],"class_list":["post-121653","post","type-post","status-publish","format-standard","hentry","category-server"],"yoast_head":"\n