JavaScript prototype, Class factory.
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Js功能强大灵活，不仅可以用来做网页客户端，还可以写asp后台代码，在Windows中与WSH的环境中更是强大。
以下代码只是我自编自用的Js类framework的一部分，经常被我用来做自动化测试，网站前后台。
这是框架的主要部分，用来创建或扩展一个Js原形对象。
/* javascript prototype. * Authors: perry < ppsoft268@gmail.com > * Date : April 11, 2009 */ if ( parseFloat(WSH.version) < 5.6 ) { WSH.echo('this script needs WSH Version 5.6 or Later!'); WSH.Quit(1); } /** * @class: MY * @static Object * @description: MY core utilities and functions. */ var MY = { /** * The version of the framework * @type String */ version: '1.0.0', versionDetail: { major: 1, minor: 0, patch: 0}, Shell: emb1, FileIO: emb2, Network: emb3, objectName: MY_NS_MY, objectPath: MY_NS_MY, toString: function() { return this.objectPath; }}, MY_OBJ_BASE = null, MY_OBJ_MY = MY; var MY_DIR_MY = MY.FileIO.GetParentFolderName(WSH.ScriptFullName), MY_DIR_LOG = MY.FileIO.BuildPath(MY_DIR_MY, 'log'), MY_DIR_APPLOG = MY.FileIO.BuildPath(MY_DIR_MY, 'log\\app'), MY_DIR_TESTLOG = MY.FileIO.BuildPath(MY_DIR_MY, 'log\\test'), MY_DIR_SCRIPTS = MY.FileIO.BuildPath(MY_DIR_MY, 'scripts'); var MY_FILE_APP = WSH.ScriptFullName, MY_FILE_CONFIG = MY.FileIO.BuildPath(MY_DIR_MY, 'configure.xml'); /** * @class: MY.ClassFactory * @static Object * @description: */ MY.ClassFactory = { //public create: function(c, n, h, e, r) { var o = null, p = ''; if ( !n ) n = MY_OBJ_MY; switch ( typeof n ) { case 'string': o = this.namespace(n); break; case 'object': o = n; break; } if ( typeof o != 'object' || !o ) return null; if ( typeof o.hasOwnProperty != 'function' ) return null; if ( !o.hasOwnProperty('objectPath') ) return null; p = o.objectPath + '.' + c; if ( typeof o[c] != 'function' ) { o[c] = function() { this.objectName = c; this.objectPath = p; this.instanceOf = function(cls) { return (this instanceof cls); }; this.toString = function() { return this.objectPath; }; if ( typeof this.initialize == 'function' ) { if ( typeof this.initialize.apply == 'function' ) { this.initialize.apply(this, arguments); } else { var x = this, g = arguments, z = 'x.initialize('; for ( var i = 0; i < g.length; z += 'g[' + i.toString() + ']', i++ ) if ( i > 0 ) z += ','; eval(z + ')'); } } }; } if ( typeof h == 'function' ) { this.extend(o[c].prototype, h.prototype, true); this.extend(o[c], h, true); } if ( typeof e == 'function' ) { this.extend(o[c].prototype, e.prototype, r); this.extend(o[c], e, r); } this.extend(o[c], { createInstance: function() { var x = null, g = arguments, z = 'x = new ' + p; if ( g.length ) { z += '('; for ( var i = 0; i < g.length; z += 'g[' + i.toString() + ']', i++ ) if ( i > 0 ) z += ','; z += ')'; } eval(z); return x; }, extend: function(s, r) { return MY.ClassFactory.extend(o[c].prototype, s, r); }, toString: function() { return p; } }, true); if ( typeof h == 'object' && h ) o[c].extend(h, true); if ( typeof e == 'object' && e ) o[c].extend(e, r); return o[c]; }, //public extend: function(d, s, r) { //Some functions need to override. var a = ['toString'], p; if ( !s || !d ) return d; for ( p in s ) a.push(p); for ( var i in a ) { p = a[i]; try { if ( (d[p] && !r) ) continue; switch (typeof s[p]) { case 'object': if ( !s[p] ) throw s[p]; switch ( s[p].constructor ) { case Array: d[p] = new Array; for ( var j = 0; j < s[p].length; j++ ) d[p].push(s[p][j]); break; case Object: d[p] = new Object; arguments.callee(d[p], s[p], true); break; case Date: d[p] = new Date(s[p].getTime()); break; default: d[p] = s[p]; break; } break; case 'boolean': case 'number': case 'string': default: d[p] = s[p]; break; } } catch (e) { d[p] = null; } } return d; }, //public namespace: function(n) { if ( typeof n == 'object' ) return n; if ( typeof n != 'string' ) return null; var l = n.split('.'), o = MY_OBJ_MY, p = ''; for ( var i = 0; i < l.length; i++ ) { if ( i ) p += '.'; p += l[i]; if ( l[i] == o.objectName ) if ( p == o.objectPath ) continue; if ( typeof o[l[i]] != 'object' ) o[l[i]] = { objectName: l[i], objectPath: p, toString: function() { return this.objectPath; } }; o = o[l[i]]; } return o; }, //public isDefined: function(n) { if ( typeof n == 'object' ) return n != null; if ( typeof n == 'function' ) return true; if ( typeof n != 'string' ) return false; if ( !/[\w\$\.]+/i.test(n) ) return false; var o = null; try { o = eval(n); } catch (e) { return false; } if ( !o ) return false; if ( typeof o == 'object' ) return true; return typeof o == 'function'; }, //public bindOle: function(ns, id) { var x = id; if ( typeof id == 'string' ) x = this.newOle(id); if ( typeof x != 'object' || x == null ) return false; if ( !this.namespace(ns) ) return false; eval(ns + '=x;'); return true; }, //public newOle: function(id) { if ( typeof id != 'string' ) return null; if ( /^\{?[\da-f]{8}-[\da-f]{4}-[\da-f]{4}-[\da-f]{4}-[\da-f]{12}\}?$/i.test(id) ) try { return this.newOle(MY.Shell.RegRead('HKCR\\CLSID\\' + id + '\\ProgID\\')); } catch (e){} try { return new ActiveXObject(id); } catch (e){} return null; }, //public newXml: function() { var xmlProgIds = [ 'Msxml2.DOMDocument', 'Microsoft.XMLDOM'], o = null; for ( var i = 0; i < xmlProgIds.length && !o; i++ ) o = this.newOle(xmlProgIds[i]); return o; } };- JavaScript prototype, Class factory.
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