135 lines
4.3 KiB
JavaScript
135 lines
4.3 KiB
JavaScript
(function () {
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fs = {};
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var _isset = function (val) {
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if (val == undefined || val == null || (typeof val=='number' && isNaN(val))) {
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return false;
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}
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return true
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}
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var _http = function (type, url, formData, success, error, mimeType, responseType) {
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var xhr = new XMLHttpRequest();
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xhr.open(type, url, true);
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if (_isset(mimeType))
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xhr.overrideMimeType(mimeType);
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if (_isset(responseType))
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xhr.responseType = responseType;
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xhr.onload = function(e) {
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if (xhr.status==200) {
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if (_isset(success)) {
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success(xhr.response);
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}
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}
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else {
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if (_isset(error))
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error("HTTP "+xhr.status);
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}
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};
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xhr.onabort = function () {
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if (_isset(error))
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error("Abort");
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}
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xhr.ontimeout = function() {
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if (_isset(error))
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error("Timeout");
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}
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xhr.onerror = function() {
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if (_isset(error))
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error("Error on Connection");
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}
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if (_isset(formData))
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xhr.send(formData);
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else xhr.send();
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}
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var postsomething = function (data, _ip, callback) {
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if (typeof(data) == typeof([][0]) || data == null) data = JSON.stringify({1: 2});
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_http("POST", _ip, data, function (data) {
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if (data.slice(0, 6) == 'error:') {
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callback(data, null);
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}
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else {
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callback(null, data);
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}
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}, function (e) {
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console.log(e);
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callback(e+"：请检查启动服务是否处于正常运行状态。");
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}, "text/plain; charset=x-user-defined");
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}
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fs.readFile = function (filename, encoding, callback) {
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if (typeof(filename) != typeof(''))
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throw 'Type Error in fs.readFile';
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if (encoding == 'utf-8') {
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//读文本文件
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//filename:支持"/"做分隔符
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//callback:function(err, data)
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//data:字符串
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var data = '';
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data += 'type=utf8&';
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data += 'name=' + filename;
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postsomething(data, '/readFile', callback);
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return;
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}
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if (encoding == 'base64') {
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//读二进制文件
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//filename:支持"/"做分隔符
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//callback:function(err, data)
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//data:base64字符串
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var data = '';
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data += 'type=base64&';
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data += 'name=' + filename;
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postsomething(data, '/readFile', callback);
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return;
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}
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throw 'Type Error in fs.readFile';
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}
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fs.writeFile = function (filename, datastr, encoding, callback) {
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if (typeof(filename) != typeof('') || typeof(datastr) != typeof(''))
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throw 'Type Error in fs.writeFile';
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if (encoding == 'utf-8') {
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//写文本文件
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//filename:支持"/"做分隔符
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//callback:function(err)
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//datastr:字符串
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var data = '';
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data += 'type=utf8&';
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data += 'name=' + filename;
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data += '&value=' + datastr;
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postsomething(data, '/writeFile', callback);
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return;
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}
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if (encoding == 'base64') {
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//写二进制文件
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//filename:支持"/"做分隔符
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//callback:function(err)
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//datastr:base64字符串
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var data = '';
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data += 'type=base64&';
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data += 'name=' + filename;
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data += '&value=' + datastr;
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postsomething(data, '/writeFile', callback);
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return;
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}
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throw 'Type Error in fs.writeFile';
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}
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fs.readdir = function (path, callback) {
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//callback:function(err, data)
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//path:支持"/"做分隔符,不以"/"结尾
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//data:[filename1,filename2,..] filename是字符串,只包含文件不包含目录
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if (typeof(path) != typeof(''))
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throw 'Type Error in fs.readdir';
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var data = '';
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data += 'name=' + path;
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postsomething(data, '/listFile', function (err, data) {
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callback(err, JSON.parse(data))
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});
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return;
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}
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})(); |