HarmonyOS 离线包 下载解压

/ 代码中使用的路径需为应用的沙箱路径，如/data/storage/el2/base/haps,也可以通过context获取 
import zlib from ‘@ohos.zlib’; 
let inFile = ‘/xx/xxx.zip’; 
let outFile = ‘/xxx’; 
let options = { 
  level: zlib.CompressLevel.COMPRESS_LEVEL_DEFAULT_COMPRESSION, 
  memLevel: zlib.MemLevel.MEM_LEVEL_DEFAULT, 
  strategy: zlib.CompressStrategy.COMPRESS_STRATEGY_DEFAULT_STRATEGY 
}; 
 
try { 
  zlib.decompressFile(inFile, outFile, options, (errData) => { 
    if (errData !== null) { 
      console.log(errData is errCode:${errData.code} message:${errData.message}); 
    } 
  }) 
} catch(errData) { 
  console.log(errData is errCode:${errData.code} message:${errData.message}); 
} 
// 【解压缩 例子2】 
// 代码中使用的路径需为应用的沙箱路径，如/data/storage/el2/base/haps,也可以通过context获取 
import zlib from ‘@ohos.zlib’; 
let inFile = ‘/xx/xxx.zip’; 
let outFile = ‘/xxx’; 
let options = { 
  level: zlib.CompressLevel.COMPRESS_LEVEL_DEFAULT_COMPRESSION, 
  memLevel: zlib.MemLevel.MEM_LEVEL_DEFAULT, 
  strategy: zlib.CompressStrategy.COMPRESS_STRATEGY_DEFAULT_STRATEGY 
}; 
 
try { 
  zlib.decompressFile(inFile, outFile, options).then((data) => { 
    console.info(‘decompressFile success’); 
  }).catch((errData) => { 
    console.log(errData is errCode:${errData.code} message:${errData.message}); 
  }) 
} catch(errData) { 
  console.log(errData is errCode:${errData.code} message:${errData.message}); 
}