新增JS代码仓库及新增工具类downloader.js

dantefung · dantefung · commit 7cf451ac3ad2 · 2017-04-23T02:32:27.000+08:00
diff --git a/js-repo/downloader.js b/js-repo/downloader.js
@@ -0,0 +1,68 @@
+/**
+ * Author:Dante Fung
+ * Date:2017-4-13 21:05:15
+ * Version:1.0.1
+ * Memo:依赖jQuery
+ * Changelog:
+ *     hello world! 2017-4-13 21:06:15 
+ */
+(function(global,factory){
+	
+	(global.DownLoader = factory());
+	
+})(this,function(){
+	
+	/**
+	 * 这里暴露DownLoader的构造器
+	 * API conventions:
+	 * - public API methods/properties are prefixed with `$`
+	 *   公开的API方法和属性将都以$符号作为前缀开头
+	 * - internal methods/properties are prefixed with `_`
+	 *   内部私有的方法和属性将以_作为前缀开头
+	 * - non-prefixed properties are assumed to be proxied user
+	 *   data.
+	 * 
+	 */
+	function DownLoader(options){
+		
+	}
+	
+	/**
+	 * 对象继承
+	 */
+	function inherits(Child, Parent) {
+	    var F = function () {};
+	    F.prototype = Parent.prototype;
+	    Child.prototype = new F();
+	    Child.prototype.constructor = Child;
+	}
+	
+	/**
+	 * 创建对象方法
+	 */
+	function createDownLoader(props) {
+	    return new DownLoader(props || {});
+	}
+	
+	/**
+	 * POST方式下载资源
+	 */
+	DownLoader.prototype.DownLoadFile = function (_options) {  
+	    var config = $.extend(true, { method: 'post' }, _options);  
+	    var $iframe = $('<iframe id="down-file-iframe" />');  
+	    var $form = $('<form target="down-file-iframe" method="' + config.method + '" />');  
+	    $form.attr('action', config.url);  
+	    for (var key in config.data) {  
+	        $form.append('<input type="hidden" name="' + key + '" value="' + config.data[key] + '" />');  
+	    }  
+	    $iframe.append($form);  
+	    $(document.body).append($iframe);  
+	    $form[0].submit();  
+	    $iframe.remove();  
+	}
+
+	DownLoader = createDownLoader();
+	DownLoader.version = '1.0.0';
+	
+	return DownLoader;
+});
