我正在使用 PhoneGap Cordova 3.3.0 和最新版本zip.js http://gildas-lormeau.github.io/zip.js/core-api.html。该脚本能够获取存档内的文件列表,但无法获取任何二进制数据。我正在使用修复程序Hugeen https://github.com/gildas-lormeau/zip.js/pull/70但没有运气。
function decompress(fullsavepath, filename){
zip.useWebWorkers = false;
file_system.root.getFile("app_cache/temp.zip", {}, function(fileEntry){
fileEntry.file(function (file) {
zip.createReader(new zip.BlobReader(file), function(reader) {
// get all entries from the zip
reader.getEntries(function(entries) {
if (entries.length) {
//Output zip file contents
for(var i=0; i<entries.length;i++){
console.log(entries[i].filename);
}
//Try to decompress file no. 3
console.log('---- entries[2] '+entries[2].filename);
entries[2].getData(new zip.BlobWriter(), function(unzipData){
console.log(unzipData);
},null, null);
}
});
}, null);
})
},null);
}
这是我的控制台日志,其中包含相关消息:
Console: ----entries[2] photoalbum/bpage1.jpg at file:///android_asset/www/dl/index.html:315
Console: processMessage failed: Message: S01 File821048650 AUEsDBBQAAAAIAEFVCEMFqmCrQAsHAMa3BwASAAAA at file:///android_asset/www/cordova.js:1034
Console: processMessage failed: Error: TypeError: undefined is not a function at file:///android_asset/www/cordova.js:1035
Console: processMessage failed: Stack: TypeError: undefined is not a function
Console: at inflate (file:///android_asset/www/dl/js/vendor/zip/zip.js:429:18)
Console: at file:///android_asset/www/dl/js/vendor/zip/zip.js:600:16
Console: at BlobWriter.init (file:///android_asset/www/dl/js/vendor/zip/zip.js:297:4)
Console: at file:///android_asset/www/dl/js/vendor/zip/zip.js:596:12
Console: at [object Object].<anonymous> (file:///android_asset/www/dl/js/vendor/zip/zip.js:203:5)
Console: at file:///android_asset/www/plugins/org.apache.cordova.core.file/www/FileReader.js:352:20
Console: at Object.callbackFromNative (file:///android_asset/www/cordova.js:292:54)
Console: at processMessage (file:///android_asset/www/cordova.js:1029:21)
Console: at Function.processMessages (file:///android_asset/www/cordova.js:1063:13)
Console: at pollOnce (file:///android_asset/www/cordova.js:933:17) at file:///android_asset/www/cordova.js:1036
------ 更新2014-04-07-------------
最后我们使用了替代方法来解决问题。 Google 开发了适用于 Android 和 iOS 的原生插件 -https://github.com/MobileChromeApps/zip https://github.com/MobileChromeApps/zip
它非常简单,老实说,它是我们使用的罕见插件之一,第一次尝试就成功完成了我们需要的工作。
Example:
zip.unzip("cdvfile://localstorage/downloaded.zip",
"cdvfile://localstorage/my_data/path/",
function(){
console.log('Zip decompressed successfully');
}
);
PS:Cordova 已更新至 3.4.0 - 我最初的问题使用了类似的路径file:///android_asset/www
已全部更换为新的cdvfile://