1 /**********************************************************  2   3     说明：跨域请求数据Javascript组件  4 ----------------------------------------------------------  5     add by OceanHo 2015-4-13 18:18:14  6 **********************************************************/  7 ; (function (window, undefined) {  8   9     var _ap = function () { 10     }, _asyncID = 2048, _asyncType = "asynctype", _version = "1.5.0", _cbKey = "cb", _cb = ""; 11  12  13     function addSc(url, cbAndParam) { 14         var script = createSc(); 15         script.setAttribute("src", url + "?" + cbAndParam); 16         window.document.getElementsByTagName("head")[0].appendChild(script); 17     }; 18  19     function delSc(id) { 20         var scripts = getSc(); 21         for (var i = 0; i < scripts.length; i++) { 22             if (scripts[i].attributes["id"]) { 23                 if (parseInt(scripts[i].attributes["id"].value) === parseInt(id)) { 24                     remove(scripts[i]); 25                 } 26             } 27         } 28     }; 29  30     function remove(script) { 31         if ((script) && (script.parentNode)) { 32             script.parentNode.removeChild(script); 33         } 34     }; 35  36     function clearSc() { 37         var scripts = getSc(); 38         for (var i = 0; i < scripts.length; i++) { 39             remove(scripts[i]); 40         } 41     }; 42  43     function getSc() { 44         var s1 = []; 45         var scripts = window.document.getElementsByTagName("script"); 46         for (var i = 0; i < scripts.length; i++) { 47             if (scripts[i].attributes["async"]) { 48                 if (scripts[i].attributes["async"].value === _asyncType) { 49                     s1.push(scripts[i]); 50                 } 51             } 52         } 53         return s1; 54     }; 55  56     function createSc() { 57  58         _asyncID++; 59         var script = window.document.createElement("script"); 60         script.setAttribute("id", _asyncID); 61         script.setAttribute("async", _asyncType); 62         script.setAttribute("type", "text/javascript"); 63  64         script.onload = script.onreadystatechange = function () { 65  66             if (!this.readyState || this.readyState === "loaded" || this.readyState === "complete") { 67  68                 delSc(this.attributes["id"].value); 69  70                 script.onload = script.onreadystatechange = null; 71             } 72         } 73         return script; 74     } 75  76     function waitDel(id, interval) { 77         window.setInterval(delSc(id), interval); 78     }; 79  80     _ap.fn = _ap.prototype = { 81         constructor: _ap, 82         version: _version, 83         init: function (arg) { 84             return new _ap().constructor; 85         }, 86  87         get: function (url, cbk, cb, param) { 88             if (!cb) cb = _cb; 89             if (!cbk) cbk = _cbKey; 90             var qs = this.map(',', param); 91             addSc(url, _cbKey + "=" + cb + "&" + qs); 92         }, 93  94         getEasy: function (url, cb, param) { 95             if (!cb) cb = _cb; 96             var qs = this.map(',', param); 97             addSc(url, _cbKey + "=" + cb + "&" + qs); 98         }, 99 100         getCustom: function (url, param) {101             addSc(url, this.map(',', param));102         },103 104         map: function (split, params) {105             var str, strs = [];106             if (typeof params != "string") {107                 params = eval(params);108                 for (var p in params) {109                     strs.push(p + "=" + params[p])110                 }111                 str = strs.join(split);112             } else {113                 str = param;114             }115             return str;116         },117         clear: function () { clearSc(); }118     };119 120     _ap.fn.init.prototype = _ap.fn;121 122     window.CrossLoad = _ap.fn.init();123 124 })(window);125 126 127 128 129 // 使用 、130