mirror of
https://github.com/thinkjs/thinkjs.git
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118 lines
3.0 KiB
JavaScript
118 lines
3.0 KiB
JavaScript
var fs = require("fs");
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var path = require("path");
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var util = require("util");
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/**
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* 动态创建一个类
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* @return {[type]} [description]
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*/
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global.Class = function (prop) {
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var cls = function () {
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function T(args) {
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this.init && this.init.apply(this, args);
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return this;
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}
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var _t = arguments.callee;
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T.prototype = _t.prototype;
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T.constructor = _t;
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return new T(arguments);
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};
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cls.extend = function(pro){
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global.extend(cls.prototype, pro);
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};
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cls.inherits = function(superCls){
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util.inherits(cls, superCls);
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}
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if (typeof prop == 'function') {
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prop = prop();
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};
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prop = prop || {};
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for(var name in prop){
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cls.prototype[name] = prop[name];
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}
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return cls;
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}
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/**
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* extend
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* from jquery
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* @return {[type]} [description]
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*/
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global.extend = function(origin, add){
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if (typeof add == 'function') {
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add = add();
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};
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return util._extend(origin, add);
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};
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global.is_object = function(obj){
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return Object.prototype.toString.call(obj) == '[object Object]';
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}
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global.is_string = function(obj){
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return Object.prototype.toString.call(obj) == '[object String]';
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}
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global.is_array = function(obj){
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return Array.isArray(obj);
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}
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global.is_file = function(p){
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if (!fs.existsSync(p)) {
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return false;
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};
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var stats = fs.statSync(p);
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return stats.isFile();
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}
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global.is_dir = function(p){
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if (!fs.existsSync(p)) {
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return false;
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};
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var stats = fs.statSync(p);
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return stats.isDirectory();
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}
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/**
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* 递归创建目录，同步模式
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* @param {[type]} p [description]
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* @param {[type]} mode [description]
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* @return {[type]} [description]
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*/
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global.mkdir = function(p, mode){
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mode = mode || 0777;
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if (fs.existsSync(p)) {
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return true;
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};
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var pp = path.dirname(p);
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if (fs.existsSync(pp)) {
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fs.mkdirSync(p, mode);
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}else{
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global.mkdir(pp, mode);
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global.mkdir(p, mode);
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}
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return true;
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}
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/**
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* 判断一个目录是否可写
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* @param {[type]} p [description]
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* @return {Boolean} [description]
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*/
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global.is_writable = function(p){
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if (!fs.existsSync(p)) {
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return false;
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};
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var stats = fs.statSync(p);
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var mode = stats.mode;
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var uid = process.getuid();
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var gid = process.getgid();
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var owner = uid == stats.uid;
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var group = gid == stats.gid;
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return owner && (mode & 00200) || // User is owner and owner can write.
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group && (mode & 00020) || // User is in group and group can write.
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(mode & 00002); // Anyone can write.
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}
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/**
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* 获取文件内容
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* @param {[type]} file [description]
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* @return {[type]} [description]
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*/
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global.file_get_contents = function(file){
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if (!fs.existsSync(file)) {
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return '';
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};
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var encoding = C("encoding") || "utf8";
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return fs.readFileSync(file, encoding);
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} |