新增物理按键监听&&demo(basic页面为例)

display-server/src/main/webapp/biz/js/plugin/basic.js

@@ -101,4 +101,13 @@ require(["domReady!","wadeMobile","util"], function(doc,WadeMobile) {
		$("#info_space").hide();
		iscroll.refresh();
	}
	WadeMobile.setKeyListener("back",function(){
		WadeMobile.tip("back物理按键已按下");
	});
	WadeMobile.setKeyListener("menu",function(){
		WadeMobile.tip("menu物理按键已按下");
	});
	WadeMobile.setKeyListener("home",function(){
		WadeMobile.tip("home物理按键已按下");
	});
});

display-server/src/main/webapp/res/js/mobile/wade-mobile.js

@@ -292,23 +292,38 @@ define(["jcl","base64","res/js/mobile/expand-mobile.js","biz/js/common/biz-mobil
		};
	})();
	
	/**物理按键监听start**/
	WadeMobile.setKeyListener = function(key, callback){
		if(key=="back"){
			document.addEventListener("back", callback, false);
		}else if(key=="menu"){
			document.addEventListener("menu", callback, false);
		}else if(key=="home"){
			document.addEventListener("home", callback, false);
		}
	}
	
	WadeMobile.event = (function(){
		if(WadeMobile.isApp()){
			var e = document.createEvent('Events');
			// Create the event.
			var backEvent = document.createEvent('Event');
			var menuEvent = document.createEvent('Event');
			var homeEvent = document.createEvent('Event');
			return {
				back:function(){
					e.initEvent('backKeyDown');
					document.dispatchEvent(e);
					backEvent.initEvent("back", true, true);
					document.dispatchEvent(backEvent);
				},menu:function(){
					e.initEvent('menuKeyDown');
				    document.dispatchEvent(e);
				},search:function(){
					e.initEvent('searchKeyDown');
				    document.dispatchEvent(e);
					menuEvent.initEvent("menu", true, true);
				    document.dispatchEvent(menuEvent);
				},home:function(){
					homeEvent.initEvent("home", true, true);
				    document.dispatchEvent(homeEvent);
				}
			};
		}
	})();
	/**物理按键监听end**/
	
	/************公共方法**************/
	/**