JavaScript 项目实战工具类

GetQueryString:function(name){//通过参数名获取URL传递的参数值
		var resultValue = "";
		var reg = new RegExp("(^|&)" + key + "=([^&]*)(&|$)", "i");
		var value = (window.location.search).substr(1).match(reg);
		if (value != null)
			resultValue = value[2];
		return resultValue;
}

GetRequest:function(){//通过参数名获取URL传递的参数值(js获取url传递参数)
	var url = location.search || location.href;
		var _ParamObj = new Object();
		//判断获取url中"?"符后的字串，并截取存储
		if (url.indexOf("?") != -1) {
			var paramStr = url.substr(url.indexOf("?") + 1);
			var paramArray = paramStr.split("&");
			for (var i = 0; i < paramArray.length; i++) {
				_ParamObj[paramArray[i].split("=")[0]] = (paramArray[i].split("=")[1]);
			}
		}
		return _ParamObj;
}

showDate:function(){
		var date = new Date();
		var year = date.getFullYear();
		var month = date.getMonth() + 1;
		var day = date.getDate();
		var hour = date.getHours();
		var minute = date.getMinutes();
		var second = date.getSeconds();
		if (minute < 10) {
			minute = "0" + minute;
		}
	
		if (second < 10) {
			second = "0" + second;
		}
		return year + '-' + month + '-' + day + '  ' + hour + ':' + minute;
	}

versions:function(){//判断是哪个终端
		var u = window.navigator.userAgent;
		return {
			trident: u.indexOf('Trident') > -1, //IE内核
			presto: u.indexOf('Presto') > -1, //opera内核
			webKit: u.indexOf('AppleWebKit') > -1, //苹果、谷歌内核
			gecko: u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1, //火狐内核
			mobile: !!u.match(/AppleWebKit.*Mobile.*/) || !!u.match(/AppleWebKit/), //是否为移动终端
			ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/), //ios终端
			android: u.indexOf('Android') > -1 || u.indexOf('Linux') > -1, //android终端或者uc浏览器
			iPhone: u.indexOf('iPhone') > -1 || u.indexOf('Mac') > -1, //是否为iPhone或者安卓QQ浏览器
			iPad: u.indexOf('iPad') > -1, //是否为iPad
			webApp: u.indexOf('Safari') == -1, //是否为web应用程序，没有头部与底部
			weixin: u.indexOf('MicroMessenger') == -1 //是否为微信浏览器
		};
	}()

IsPC:function(){//判断客户端是否为 PC 还是手持设备  true为pc,false为手持设备
	 	var userAgentInfo = navigator.userAgent;
	    var Agents = ["Android", "iPhone",
	                "SymbianOS", "Windows Phone",
	                "iPad", "iPod"];
	    var flag = true;
	    for (var v = 0; v < Agents.length; v++) {
	        if (userAgentInfo.indexOf(Agents[v]) >= 0) {
	            flag = false;
	            break;
	        }
	    }
	    //如果是PC浏览器的话，显示移动端打开，
	    if(flag){
	    	$("body").empty().append("<div style='text-align: center;position:absolute;top:30%;left:0;bottom:0;right:0;font-size:2rem'>请使用手持设备访问<div>");
	    }
	    return flag;
	}

responseWin:function(){//窗口响应事件
		return function(){
			/*window.onresize = function(){
				return common.IsPC();
			};*/
			return common.IsPC();
		}();
	}

postAjax(type,path,params,dataType,async){//设置参数，同步异步请求。
		var datas = "";
		$.ajax({ 
            type : type?type:"post", 
            url : path, 
            data : params, 
            dataType: dataType?dataType:"json",
            async : async?async:false, 
            success : function(data){ 
            	datas = data;
            }
        });
        return datas;
	}

var v = localStorage.getItem('n') ? localStorage.getItem('n') : "";  
// 如果名称是  n 的数据存在 ，则将其读出 ，赋予变量v  。 

localStorage.setItem('n', v);                                           
// 写入名称为 n、值为  v  的数据 

localStorage.removeItem('n');                                           
// 删除名称为  n  的数据   

// 判断是否为 iPhone ： 

function isAppleMobile() { 

    return (navigator.platform.indexOf('iPad') != -1); 

}; 

// 双手指滑动事件

addEventListener('load',function(){
 window.onmousewheel = twoFingerScroll;
}, false); // false-->兼容各浏览器，表示在冒泡阶段调用事件处理程序 (true 捕获阶段)
     

function twoFingerScroll(ev) { 
    var delta =ev.wheelDelta/120;              
    //对 delta 值进行判断(比如正负) ，而后执行相应操作 
    return true; 
}; 

// 隐藏地址栏  & 处理事件的时候 ，防止滚动条出现

addEventListener('load', function(){ 
   setTimeout(function(){ window.scrollTo(0, 1); }, 100); 
});

//添加屏幕旋转事件侦听，可随时发现屏幕旋转状态（左旋、右旋还是没旋）。

// 判断屏幕是否旋转

function orientationChange() { 
    switch(window.orientation) { 
    　　case 0:  
            alert("肖像模式 0,screen-width: " + screen.width + "; screen-height:" + screen.height); 
            break; 
    　　case -90:  
            alert("左旋 -90,screen-width: " + screen.width + "; screen-height:" + screen.height); 
            break; 
    　　case 90:    
            alert("右旋 90,screen-width: " + screen.width + "; screen-height:" + screen.height); 
            break; 
    　　case 180:    
        　　alert("风景模式 180,screen-width: " + screen.width + "; screen-height:" + screen.height); 
        　　break; 
    };<br>};


// 添加事件监听 
addEventListener('load', function(){ 
    orientationChange(); 
    window.onorientationchange = orientationChange; 

});

// 手势事件

touchstart            //当手指接触屏幕时触发

touchmove           //当已经接触屏幕的手指开始移动后触发

touchend             //当手指离开屏幕时触发

touchcancel

 

// 触摸事件

gesturestart          //当两个手指接触屏幕时触发

gesturechange      //当两个手指接触屏幕后开始移动时触发

gestureend

 

// 屏幕旋转事件   

onorientationchange     

 

// 检测触摸屏幕的手指何时改变方向       

orientationchange       

 

// touch事件支持的相关属性

touches         

targetTouches       

changedTouches              

clientX　　　　// X coordinate of touch relative to the viewport (excludes scroll offset)       

clientY　　　　// Y coordinate of touch relative to the viewport (excludes scroll offset)       

screenX　　　 // Relative to the screen        

screenY 　　  // Relative to the screen       

pageX　　 　　// Relative to the full page (includes scrolling)     

pageY　　　　 // Relative to the full page (includes scrolling)     

target　　　　 // Node the touch event originated from      

identifier　　   // An identifying number, unique to each touch event

<a href="tel:12345654321">打电话给我</a>

<a href="sms:12345654321">发短信</a>

或用于单元格：

<td onclick="location.href='tel:122'">

<input type="text" autocapitalize="off" autocorrect="off" />

window.location.href = "xx.html";

或者

window.open();

history.pushState({}, "页面标题", "xxx.html");

history.replaceState(null, "页面标题", "xxx.html");

window.addEventListener("popstate", function() {
    var currentState = history.state;
    /*
     * 代码块
    */											
});

 var _bdhmProtocol = (("https:" == document.location.protocol) ? " https://" : " http://");
//获取请求头的http

document.write(unescape("%3Cscript src='" + _bdhmProtocol + "hm.baidu.com/h.js%3F382f81c966395258f239157654081890' type='text/javascript'%3E%3C/script%3E"));

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>

	<head>
		<title> Document </title>
		<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
		<meta name="Generator" content="EditPlus">
	</head>

	<body>
		<SCRIPT language=JavaScript>
			var st = new Date();
		</SCRIPT>
		<IMG alt="测试图片" src="http://sp2.yokacdn.com/photos/f3/4f/702018/photo_322092_500.jpg" onload="showspeed();">
		<div id='showtxt'></div>
		<script>
			var arr = ["网速低于50KB", "网速在50-100KB之间", "网速在100-200KB之间", "网速在200-300KB之间", "视频通讯"];

			function showspeed() {
				var filesize = 35.4; //measured in KB   
				var et = new Date();
				var speed = Math.round(filesize * 1000) / (et - st);
				document.title = speed;
				var scope = (speed > 0 && speed <= 50) ? 0 : (speed > 50 && speed <= 100) ? 1 : (speed >= 100 && speed < 200) ? 2 : (speed >= 200 && speed < 300) ? 3 : 4;
				alert(scope)
				console.log("您的下载速度为：" + arr[scope] + " (K/秒)");
			}
		</script>
	</body>

</html>

function anp(e) {
	var $i = $("<b>").text("+" + 1);
	var x = e.pageX,
		y = e.pageY;
	$i.css({
		top: y - 20,
		left: x,
		position: "absolute",
		color: "#E94F06"
	});
	$("body").append($i);
	$i.animate({
		top: y - 120,
		opacity: 0,
		"font-size": "1.4em"
	}, 1500, function() {
		$i.remove();
	});
	e.stopPropagation();
}