1 /**
  2  *
  3  * 验证码
  4  *
  5  * @fileOverView
  6  * @author  <a href="mailto:zhang.gd@foxmail.com">zhangguangda</a>
  7  * @date    2012-12-4
  8  */
  9 ;
 10 define(
 11 	function() {
 12 		/**
 13 		 * 验证码
 14 		 * @lends $we.widget.captcha
 15 		 */
 16 		var _html = [
 17 				'<div attr="root">',
 18 					'<img attr="img" style="margin-left:130px" />',
 19 					'<a attr="click:changeCaptcha" style="margin-left:10px;" href="javascript:void(0);">看不清，换一张</a>',
 20 				'</div>'
 21 			].join(""),
 22 			_captchaUrl = 'http://captcha.sdo.com/fcgi-bin/show_img.fcgi?appid=470&gameid=0&areaid=-1&user=&image_type=0&session_key=';
 23 
 24 		$we.widget.reg("captcha", {
 25 			/**
 26 			 * @constructs
 27 			 * @param  {Element} el  节点
 28 			 * @param  {String} key Captcha Key
 29 			 */
 30 			init: function(el, key) {
 31 				this.key = key;
 32 				this.append(el, _html);
 33 				this.node.img.src = _captchaUrl + this.key + "&" + (+new Date);
 34 			},
 35 			/**
 36 			 * interfaces
 37 			 * @memberOf $we.widget.captcha#
 38 			 */
 39 			interfaces: {
 40 				/**
 41 				 * 换一个验证码
 42 				 * @memberOf $we.widget.captcha#
 43 				 */
 44 				change: function() {
 45 					this.node.img.src = _captchaUrl + this.key + "&" + (+new Date);
 46 				},
 47 				/**
 48 				 * 换验证码Key
 49 				 * @memberOf $we.widget.captcha#
 50 				 * @param  {String} key Captcha Key
 51 				 */
 52 				changeKey: function(key) {
 53 					if (!key) return;
 54 					this.key = key;
 55 					this.change();
 56 				}
 57 			},
 58 			/**
 59 			 * events
 60 			 * @memberOf $we.widget.captcha-
 61 			 */
 62 			events: {
 63 				/**
 64 				 * 更换验证码事件
 65 				 * @memberOf $we.widget.captcha-
 66 				 */
 67 				changeCaptcha: function() { this.change(); }
 68 			}
 69 		});
 70 
 71 		return $we.widget.amd("captcha");
 72 	}
 73 );