Cordova插件文件时出现EncodingError [英] EncodingError when cordova-plugin-file

问题描述

我现在正在开发一个以浏览器为平台的cordova应用程序.

I am now developing a cordova app which platform is browser.

我需要从本地文件系统访问文本文件，所以我正在使用cordova-plugin-file.

I need to access a text file from local file system, so I am using the cordova-plugin-file.

但是在我的chrome控制台中，异常失败了(没有CLI错误):

But I failed as the exception in my chrome console like this (There is no CLI error):

代码:5

code: 5

消息:提供给API的URI格式错误，或者结果数据URL超出了数据URL的URL长度限制."

message: "A URI supplied to the API was malformed, or the resulting Data URL has exceeded the URL length limitations for Data URLs."

名称:"EncodingError"

name: "EncodingError"

对我的代码造成打击:

document.addEventListener('deviceready', dataRead, false);
    function dataRead() {
      window.webkitRequestFileSystem(window.PERSISTENT, 100500*1024*1024, function() {
        window.webkitResolveLocalFileSystemURL("filesystem:" + cordova.file.applicationDirectory + "1111.csv", gotFile, fail);
      },function (e) {
        console.log(e);
      });
    }
    function fail(e) {
      console.log("FileSystem Error");
      console.dir(e);
    }

    function gotFile(fileEntry) {
      fileEntry.file(function(file) {
        var reader = new FileReader();

        reader.onloadend = function(e) {
          console.log("Text is: "+this.result);
        }

        reader.readAsText(file);
      });

    }

我的URI是否非法或出于其他原因?

Is my URI illegal or for some other reasons?

有人可以指出原因吗?或者给我看一个正确的例子.

Can anybody point out why? Or show me a right example.

感谢您的帮助.

推荐答案

文件插件的良好参考点是 cordova-plugin-test-framework 以及文件插件文档.

Good reference point for the file plugin are its auto and manual tests, which can be run in cordova-plugin-test-framework and also the file plugin documentation.

关于您的问题的几点:

• 尝试使用小于100500*1024*1024的内容，例如10*1024*1024，
• 代替

• try to use something less than 100500*1024*1024, for example 10*1024*1024,
• instead of

window.webkitResolveLocalFileSystemURL("filesystem:" + cordova.file.applicationDirectory + "1111.csv", gotFile, fail);

尝试使用

window.resolveLocalFileSystemURL("filesystem:" + cordova.file.applicationDirectory + "persistent/1111.csv", gotFile, fail);

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