ife-js-task/task30.html at master · glt18/ife-js-task · GitHub

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<!DOCTYPE html>
<html>
<head>
	<title>Task 30</title>
	<meta charset="utf-8">
	<style type="text/css">
		html,body,form,section,strong,input,span {
			margin: 0;
			padding: 0;
		}
		form {
			width: 60%;
			margin: 0 auto;
		}
		section {
			margin-top: 20px;
		}
		section :nth-child(1) {
			display: inline-block;
			width: 20%;
			font-size: 24px;
			text-align: right;
		}
		section :nth-child(2) {
			width: 40%;
			height: 30px;
			outline: none;
		}
		.remind {
			width: 50%;
			padding: 10px 0 0 23%;
			display: block;
			outline: none;
			color: #98FB98;
		}
		.btn {
			display: block;
			margin: 20px 0 20px 40%;
		}
		span {
			display: none;
		}
	</style>
</head>
<body>
	<form>
		<section id="uname">
			<strong>名称</strong>
			<input type="text" id="u-id" onfocus="nameRemind()" onblur="nameTest()" autofocus="autofocus">
			<span></span>
		</section>
		<section id="upassword">
			<strong>密码</strong>
			<input type="password" id="u-pw" onfocus="pwRemind()" onblur="pwTest()">
			<span></span>
		</section>
		<section id="uspassword">
			<strong>确认密码</strong>
			<input type="password" id="u-spw" onfocus="spwRemind()" onblur="spwTest()">
			<span></span>
		</section>
		<section id="uemail">
			<strong>邮箱</strong>
			<input type="text" id="u-email" onfocus="emailRemind()" onblur="emailTest()">
			<span></span>
		</section>
		<section id="utelephone">
			<strong>手机</strong>
			<input type="text" id="u-phone" onfocus="phoneRemind()" onblur="phoneTest()">
			<span></span>
		</section>
		<input type="submit" class="btn" onclick="check()"></input>
	</form>
	<script type="text/javascript">
		// var myForm = document.forms[0];
		var uname = document.getElementById('uname');
		var upassword = document.getElementById('upassword');
		var uspassword = document.getElementById('uspassword');
		var uemail = document.getElementById('uemail');
		var utelephone = document.getElementById('utelephone');

		var uId = document.getElementById('u-id');
		var uPw = document.getElementById('u-pw');
		var uSpw = document.getElementById('u-spw');
		var uEmail = document.getElementById('u-email');
		var uPhone = document.getElementById('u-phone');
		//名称提示
		function nameRemind () {
			var remindText = document.getElementsByTagName('span')[0];
			remindText.setAttribute("class","remind");
			remindText.innerHTML = "必填,长度为4~16个字符";
			uname.appendChild(remindText);
		}
		//密码提示
		function pwRemind(){
			var remindText = document.getElementsByTagName('span')[1];
			remindText.setAttribute("class","remind");
			remindText.innerHTML = "必填,长度为4~16个字符";
			upassword.appendChild(remindText);
		};
		//确认密码提示
		function spwRemind(){
			var remindText = document.getElementsByTagName('span')[2];
			remindText.setAttribute("class","remind");
			remindText.innerHTML = "必填,与密码一致";
			uspassword.appendChild(remindText);
		};
		//邮箱提示
		function emailRemind(){
			var remindText = document.getElementsByTagName('span')[3];
			remindText.setAttribute("class","remind");
			remindText.innerHTML = "必填,与邮箱格式一致";
			uemail.appendChild(remindText);
		};
		//电话格式提示
		function phoneRemind(){
			var remindText = document.getElementsByTagName('span')[4];
			remindText.setAttribute("class","remind");
			remindText.innerHTML = "必填,11位电话号码";
			utelephone.appendChild(remindText);
		};
		//名称格式验证
		function nameTest(){
			var charLength = getLength(uId);
			var errorRemind = document.getElementsByTagName('span')[0];
			if (charLength >=4 && charLength <= 16) {
				errorRemind.innerHTML = "格式正确";
				return true;
			}  else if(charLength < 4) {
				errorRemind.innerHTML = "字符数小于4！";
				errorRemind.style.color = "red";
				return false;
			}  else {
				errorRemind.innerHTML = "字符数大于16！";
				errorRemind.style.color = "red";
				return false;
			}
		}
		//密码格式验证
		function pwTest() {
			var charLength = getLength(uPw);
			var errorRemind = document.getElementsByTagName('span')[1];
			if (charLength >=6 && charLength <= 16) {
				errorRemind.innerHTML = "格式正确";
				return true;
			}  else if(charLength == 0) {
				errorRemind.innerHTML = "未输入密码！";
				errorRemind.style.color = "red";
				return false;
			}  else if(charLength < 6) {
				errorRemind.innerHTML = "密码少于6位！";
				errorRemind.style.color = "red";
				return false;
			}  else {
				errorRemind.innerHTML = "密码大于16位！";
				errorRemind.style.color = "red";
				return false;
			}
		}
		//确认密码验证
		function spwTest() {
			var charLength = getLength(uSpw);
			var errorRemind = document.getElementsByTagName('span')[2];
			if (uSpw.value == uPw.value && charLength!=0) {
				errorRemind.innerHTML = "与密码一致！";
				return true;
			}else if (uSpw.value != uPw.value) {
				errorRemind.innerHTML = "两次输入密码不一致！";
				errorRemind.style.color = "red";
				return false;
			}else {
				errorRemind.innerHTML = "未输入！";
				errorRemind.style.color = "red";
				return false;
			}
		}
		//邮箱验证
		function emailTest() {
			var errorRemind = document.getElementsByTagName('span')[3];
			var pattern = /^([\.a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/;
				if(!pattern.test(uEmail.value))
				{
			  		errorRemind.innerHTML = "邮箱格式错误！";
					errorRemind.style.color = "red";
					return false;
			    }else {
			    	errorRemind.innerHTML = "邮箱格式正确！";
					return true;
			    }
		}
		//手机格式验证
		function phoneTest() {
			var errorRemind = document.getElementsByTagName('span')[4];
			var pattern = /^1[3,5,7,8]\d{9}$/;
			if (pattern.test(uPhone.value)) {
				errorRemind.innerHTML = "手机格式正确！";
				return true;
			}else {
				errorRemind.innerHTML = "手机格式错误！";
				errorRemind.style.color = "red";
				return false;
			}
		}
		//获取字符串长度
		function getLength(test) {
			var length = 0;
			var testText = test.value;
			for(var i = 0 ; i < testText.length ; i++) {
				charCode = testText.charCodeAt(i);
				if (charCode >=0 &&charCode <= 128) {
					length += 1;
				}  else {
					length += 2;
				}
			}
			return length;
		}
		//验证后提交
		function check() {
			var n = nameTest();
			var p = pwTest();
			var sp = spwTest();
			var e = emailTest();
			var p = phoneTest();
			if(n&&p&&sp&&e&&p) {
				alert('提交成功！');
			} else {
				alert('输入有误！');
			}
		}


	</script>
</body>

</html>