JS制作二级联动

JS制作二级联动

	<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
	<html xmlns="http://www.w3.org/1999/xhtml">

	<head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
	<title>设置</title>
	<style>
		.div {
			-webkit-box-sizing: border-box;
			-moz-box-sizing: border-box;
			box-sizing: border-box;
			font-size: 18px;
			border: 1px solid #e1e1e1;
			box-shadow: none;
			 100%;
			height: 36px;
			padding: 4px 6px;
			font-size: 14px;
			line-height: 20px;
			color: #555;
			-webkit-border-radius: 4px;
			-moz-border-radius: 4px;
			border-radius: 4px;
			vertical-align: middle;
		}
		
		select {
			border: none;
			/*清除select的边框样式*/
			outline: none;
			/*清除select聚焦时候的边框颜色*/
			 20%;
			/* 将select的宽高等于div的宽高*/
			height: 30px;
			line-height: 30px;
			//隐藏select的下拉图标
			appearance: none;
			-webkit-appearance: none;
			-moz-appearance: none;
			/*//通过padding-left的值让文字居中*/
			padding-left: 60px;
		}
		
		//使用伪类给select添加自己想用的图标
		div:after {
			content: "";
			 14px;
			height: 8px;
			background: url(img/xiala.png) no-repeat center;
			//通过定位将图标放在合适的位置
			position: absolute;
			right: 20px;
			top: 45%;
			//给自定义的图标实现点击下来功能
			pointer-events: none;
		}
	</style>
	
	<link href="css/demo.css" rel="stylesheet" type="text/css">
	<script src="js/jquery-1.10.2.min.js" type="text/javascript"></script>
	<!--Framework-->
	<script src="js/jquery-1.10.2.min.js" type="text/javascript"></script>
	<script src="js/jquery-ui.js" type="text/javascript"></script>
	<!--End Framework-->
	<script src="js/jquery.ffform.js" type="text/javascript"></script>
	<script src="js/setting_ajax.js" type="text/javascript"></script>
	<script type="text/javascript">
		function setting_click() {
			//alert("点击");
			var province = $("#province").val(); //收件人邮箱名
			var city = $("#city").val(); //收件人传输协议,数值
			var province2 = $("#province2").val(); //发件人邮箱名
			var city2 = $("#city2").val(); //发件人传输协议,数值

			var name = $("#name").val(); //发件人昵称
			var email = $("#email").val(); //收件人邮箱

			var email_port; //端口
			var email_agreement; //协议

			var d = parseInt(city);
			switch(d) {
				case 0:
					email_agreement = "pop3.sohu.com";
					email_port = "110";
					break;
				case 1:
					email_agreement = "pop.126.com";
					email_port = "110";
					break;
				case 2:
					email_agreement = "POP.139.com";
					email_port = "110";
					break;
				case 3:
					email_agreement = "pop.163.com";
					email_port = "110";
					break;
				case 4:
					email_agreement = "pop.qq.com";
					email_port = "110";
					break;
				case 5:
					email_agreement = "pop.exmail.qq.com";
					email_port = "995";
					break;
				case 6:
					email_agreement = "POP.foxmail.com";
					email_port = "110";
					break;
				case 7:
					email_agreement = "pop.china.com";
					email_port = "110";
					break;
				case 8:
					email_agreement = "pop.mail.yahoo.com";
					email_port = "995";
					break;
				case 9:
					email_agreement = "pop.mail.yahoo.com.cn";
					email_port = "995";
					break;
			}
			alert("收件人:_邮箱名称 :  "+province+"_传输协议:"+email_agreement+"_端口:"+email_port);

			var email_port2; //端口
			var email_agreement2; //协议

			var d2 = parseInt(city2);

			switch(d2) {
				case 0:
					email_agreement2 = "smtp.sohu.com";
					email_port2 = "25";
					break;
				case 1:
					email_agreement2 = "smtp.126.com";
					email_port2 = "25";
					break;
				case 2:
					email_agreement2 = "smtp.139.com";
					email_port2 = "25";
					break;
				case 3:
					email_agreement2 = "smtp.163.com";
					email_port2 = "25";
					break;
				case 4:
					email_agreement2 = "smtp.qq.com";
					email_port2 = "25";
					break;
				case 5:
					email_agreement2 = "smtp.exmail.qq.com";
					email_port2 = "587"; //(SSL启用 端口:587/465)
					break;
				case 6:
					email_agreement2 = "smtp.foxmail.com";
					email_port2 = "25";
					break;
				case 7:
					email_agreement2 = "smtp.china.com";
					email_port2 = "25";
					break;
				case 8:
					email_agreement2 = "smtp.mail.yahoo.com";
					email_port2 = "587";
					break;
				case 9:
					email_agreement2 = "smtp.mail.yahoo.com.cn";
					email_port2 = "587";
					break;
			}
			alert("发件人:_邮箱名称 :  "+province2+"_传输协议:"+email_agreement2+"_端口:"+email_port2);

			/* ajax请求 */
			$.ajax({
				url: "",
				type: "post",
				data: {
					"email_name": province, //收件人邮箱名
					"email_agreement": email_agreement, //收件人协议
					"email_port": email_port, //端口

					"email_name2": province2, //发件人邮箱名
					"email_agreement2": email_agreement2, //发件人协议
					"email_port2": email_port2, //端口

					"name": name, //发件人昵称
					"email": email //收件人邮箱
				},
				dataType: "json",
				success: function(data) {
					console.log(data);
					if(data == 1) {
						alert("提交成功!");
					}
				}
			});

		}
	</script>
	<script type="text/javascript">
		$(document).ready(function() {
			$('#form').ffform({
				animation: 'flip',
				submitButton: '#submit',
				validationIndicator: '#validation',
				errorIndicator: '#error',
				successIndicator: '#success',
				'fields': [{
					'id': 'name',
					required: true,
					requiredMsg: 'Name is required',
					type: 'alpha',
					validate: true,
					msg: 'Invalid Name'
				}, {
					'id': 'email',
					required: true,
					requiredMsg: 'E-Mail is required',
					type: 'email',
					validate: true,
					msg: 'Invalid E-Mail Address'
				}, {
					'id': 'phone',
					required: false,
					type: 'custom',
					validate: false,
					msg: 'Invalid Phone #'
				}, {
					'id': 'message',
					required: false,
					type: 'text',
					validate: false,
					msg: ''
				}]
			});
		});
	</script>
</head>

<body style="">
	<center>
		<div style="margin:0 auto;padding: 30px;">
			<form name="form1" method="post" action="" style=" 100%;">
				收件人:
				<select name="province" id="province" onchange="changeSelect(this.selectedIndex)"></select>
				协议:
				<select name="city" id="city"></select>

				发件人:
				<select name="province2" id="province2" onchange="changeSelect2(this.selectedIndex)"></select>
				协议:
				<select name="city2" id="city2"></select>
			</form>
		</div>
	</center>
	<section id="getintouch" class="bounceIn animated">
		<div class="container" style="border-bottom: 0;">
			<h1>
            <span>请输入</span>
        </h1>
		</div>
		<div class="container">
			<form class="contact" action="#" method="post" id="form">
				<div class="row clearfix">
					<div class="lbl">
						<label for="name">
                    	发件人昵称	</label>
					</div>
					<div class="ctrl">
						<input type="text" id="name" name="name" data-required="true" data-validation="text" data-msg="Invalid Name" placeholder="Ex:昵称">
					</div>
				</div>
				<div class="row clearfix">
					<div class="lbl">
						<label for="email">
                    	收件人邮箱</label>
					</div>
					<div class="ctrl">
						<input type="text" id="email" name="email" data-required="true" data-validation="email" data-msg="Invalid E-Mail" placeholder="Ex:邮箱的地址">
					</div>
				</div>
				<div class="row  clearfix">
					<div class="span10 offset2">
						<input type="button" name="setting_button" id="setting_button" class="submit" value="Send Message" onclick="setting_click()">
					</div>
				</div>
			</form>
			<div id="success">
				Your E-Mail has been sent successfully!</div>
			<div id="error">
				Unable to send e-mail at the moment, please try later.</div>
			<div id="validation">
			</div>
		</div>
	</section>
	<script type="text/javascript">
		var arr_province = ["邮箱名称",
			"搜狐邮箱",
			"126邮箱",
			"139邮箱",
			"163邮箱",
			"QQ邮箱",
			"QQ企业邮箱",
			"Foxmail",
			"china.com",
			"yahoo.com",
			"yahoo.com.cn",

		];

		var arr_city = [
			["传输协议"],
			["pop3.sohu.com"],
			['pop.126.com'],
			["POP.139.com"],
			['pop.163.com'],
			["pop.qq.com"],
			['pop.exmail.qq.com'],
			["POP.foxmail.com"],
			['pop.china.com'],
			["pop.mail.yahoo.com"],
			['pop.mail.yahoo.com.cn']
		];

		var arr_province2 = ["邮箱名称",
			"搜狐邮箱",
			"126邮箱",
			"139邮箱",
			"163邮箱",
			"QQ邮箱",
			"QQ企业邮箱",
			"Foxmail",
			"china.com",
			"yahoo.com",
			"yahoo.com.cn",

		];

		var arr_city2 = [
			["传输协议"],
			["smtp.sohu.com"],
			['smtp.126.com'],
			["smtp.139.com"],
			['smtp.163.com'],
			["smtp.qq.com"],
			['smtp.exmail.qq.com'],
			["SMTP.foxmail.com"],
			['smtp.china.com'],
			["smtp.mail.yahoo.com"],
			['smtp.mail.yahoo.com.cn']
		];

		//网页加载完成,初始化菜单
		window.onload = init; //传入函数地址
		function init() {
			//首先获取对象
			var province = document.form1.province;
			var city = document.form1.city;
			var province2 = document.form1.province2;
			var city2 = document.form1.city2;

			//指定省份中<option>标记的个数
			province.length = arr_province.length;
			province2.length = arr_province2.length;
			//循环将数组中的数据写入<option>标记中
			for(var i = 0; i < arr_province.length; i++) {
				province.options[i].text = arr_province[i];
				province.options[i].value = arr_province[i];
				//province.options[i].value = i;
				province2.options[i].text = arr_province2[i];
				province2.options[i].value = arr_province2[i];
			}

			//修改省份列表的默认选择项
			var index = 0;
			province.selectedIndex = index;
			province2.selectedIndex = index;
			//指定城市中<option>标记的个数
			city.length = arr_city[index].length;
			city2.length = arr_city2[index].length;
			//循环将数组中的数据写入<option>标记中
			for(var j = 0; j < arr_city[index].length; j++) {
				city.options[j].text = arr_city[index][j];
				city.options[j].value = arr_city[index][j];
				city2.options[j].text = arr_city2[index][j];
				city2.options[j].value = arr_city2[index][j];
			}
		}

		function changeSelect(index) {
			//选择对象
			var city = document.form1.city;
			//修改省份列表的选择项
			province.selectedIndex = index;

			//指定城市中<option>标记的个数
			city.length = arr_city[index].length;

			//循环将数组中的数据写入<option>标记中
			for(var j = 0; j < arr_city[index].length; j++) {
				city.options[j].text = arr_city[index][j];
				//city.options[j].value = arr_city[index][j];
				city.options[j].value = j;
			}
		}

		function changeSelect2(index) {
			//选择对象
			var city = document.form1.city2;
			//修改省份列表的选择项
			province2.selectedIndex = index;

			//指定城市中<option>标记的个数
			city2.length = arr_city[index].length;

			//循环将数组中的数据写入<option>标记中
			for(var j = 0; j < arr_city[index].length; j++) {
				city2.options[j].text = arr_city[index][j];
				//city2.options[j].value = arr_city[index][j];
				city2.options[j].value = j;
			}
		}
	</script>
</body>

</html>
原文地址:https://www.cnblogs.com/renxiuxing/p/9875042.html