<center>JavaScript淘宝登录界面</center>

缺乏、安全感 2021-12-08 16:33 354阅读 0赞

<!DOCTYPE html>
    	<html>
    		<head>
    			<meta charset="utf-8" />
    			<meta http-equiv="X-UA-Compatible" content="IE=edge">
    			<title>淘宝用户注册</title>
    			<meta name="viewport" content="width=device-width, initial-scale=1">
    		<style type="text/css">
    			form{
    				width: 600px;margin: 100px auto;
    			}
    			input{
    				width: 160px;height: 28px;line-height: 28px;
    			}
    			.title{
    				display: inline-block;width: 80px;text-align: right;
    			}
    			p{
    				font-size: 12px;color: gray;
    				width: 300px;float: right;
    				line-height: 28px;vertical-align: top;
    				margin: 2px 30px 0 0;
    			}
    			#count{
    				   padding-left: 90px;
    				   font-size: 12px;
    				   color: gray;line-height: 28px;
    			}
    			em{
    				display: inline-block;
    				width: 54px;height: 20px;
    				background-color: rgb(255, 204, 157);
    				margin-right: 2px;
    				font-size: 12px;
    				font-style: normal;
    				text-align: center;
    				height: 14px;
    				line-height: 14px;
    				color: white;
    			}
    			.active{
    				background-color: rgb(255, 95, 2);
    			}
    			#tips{
    				padding-left: 82px;
    			}
    			img{
    				height: 30px;
    				vertical-align: middle;
    			}
    			.checkimg{
    				width: 100px;
    			}
    			#submitBtn{
    				border: 1px solid rgb(255, 95, 2);
    				width: 166px;
    				height: 30px;
    				background-color: rgb(255, 95, 2);
    				color: white;
    				margin-left: 80px;
    			}
    			.margin{
    				margin-top: 20px;
    			}
    		</style>
    			<script type="text/javascript">
    				 function getLength(str){  
    				 	// \x00-xff代表单字节字符。  
    				 	return str.replace(/[^\x00-\xff]/g, "xx").length;
    				 } 
    				 function findStr(str, n){  
    				 	var tmp = 0;  
    				 	for (var i = 0; i < str.length; i++){    
    				 		if(str.charAt(i)==n){      
    				 			tmp++;    
    				 		}  
    				 	}  
    				 	return tmp;
    				 }
    				 window.onload=function(){  
    				 	var aInput = document.getElementsByTagName('input');  
    				 	var oName = aInput[0];  
    				 	var pwd = aInput[1];  
    				 	var pwd2 = aInput[2];  
    				 	var aP = document.getElementsByTagName('p');  
    				 	var name_msg = aP[0];  
    				 	var pwd_msg = aP[1];  
    				 	var pwd2_msg = aP[2];  
    				 	var count = document.getElementById('count');  
    				 	var aEm = document.getElementsByTagName('em');  
    				 	var name_length = 0; //会员名   
    				 	oName.onfocus = function(){    
    				 		name_msg.style.display = "inline";    
    				 		name_msg.innerHTML = "<i class=‘ati’></i>5-25个字符，一个汉字为两个字符，推荐使用中文会员名。";  
    				 	}   
    				 	oName.onkeyup = function(){    
    				 		count.style.visibility = "visible";    
    				 		name_length = getLength(this.value);    
    				 		count.innerHTML = name_length + "个字符";  
    				 		
    				 		if(name_length==0){      
    				 			count.style.visibility = "hidden";    
    				 		}  
    				 	}   
    				 	oName.onblur = function(){    
    				 		//含有非法字符                
    				 		var reg = /[^\w\u4e00-\u9fa5]/g;    
    				 		// \w代表“数字、字母（不分大小写）、下划线”，\u4e00-\u9fa5代表汉字。      
    				 		if(reg.test(this.value)){      
    				 			name_msg.innerHTML = '<i class="err"></i>含有非法字符！';    
    				 	}     
    				 	//不能为空    
    				 	else if (this.value==""){      
    				 		name_msg.innerHTML = "<i class='err'></i>不能为空！";    
    				 	}     
    				 	//长度超过25个字符    
    				 	else if (name_length > 25){      
    				 		name_msg.innerHTML = "<i class='err'></i>长度超过25个字符！";    
    				 	}     
    				 	//长度少于6个字符    
    				 	else if (name_length < 6){      
    				 		name_msg.innerHTML = "<i class='err'></i>长度少于6个字符！";    
    				 	}     
    				 	//OK    
    				 	else {      
    				 		name_msg.innerHTML = "<i class='err'></i>OK！";      
    				 		count.style.visibility = "hidden";    
    				 	}  
    				 	} 
    				 	//密码   
    				 	pwd.onfocus = function(){    
    				 		pwd_msg.style.display = "inline";    
    				 		pwd_msg.innerHTML = '<i class="ati"></i>6-16个字符，请使用字母加数字或符号的组合密码，不能单独使用字母、数字或符号。' 
    				 	}   
    				 	pwd.onkeyup = function(){    
    				 		//大于5字符为“中”    
    				 		if(this.value.length>5){      
    				 			aEm[1].className = "active";      
    				 			pwd2.removeAttribute("disabled");      
    				 			pwd2_msg.style.display = "inline";    
    				 		}else{      
    				 			aEm[1].className = "";      
    				 			pwd2.setAttribute("disabled");      
    				 			pwd2_msg.style.display = "none";          
    				 		}     
    				 		//大于10字符为“强”    
    				 		if(this.value.length>10){      
    				 			aEm[2].className = "active";    
    				 		}else{      
    				 			aEm[2].className = "";    
    				 		} 
    				 	}   
    				 	pwd.onblur = function(){    
    				 		var m = findStr(pwd.value, pwd.value[0]);     
    				 		var reg_n = /[^\d]/g;    
    				 		var reg_c = /[^a-zA-Z]/g;     
    				 		//不能为空    
    				 		if(this.value==""){      
    				 			pwd_msg.innerHTML = '<i class="err"></i>不能为空！';    
    				 		} 
    				 		//不能用相同字符    
    				 		else if(m == this.value.length){      
    				 			pwd_msg.innerHTML = '<i class="err"></i>不能用相同字符！';    
    				 		}    
    				 		//长度应为6-16个字符    
    				 		else if(this.value.length < 6 || this.value.length > 16){ 
    				 			pwd_msg.innerHTML = '<i class="err"></i>长度应为6-16个字符！';   
    				 		}  
    				 		//不能全为数字    
    				 		else if(!reg_n.test(this.value)){
    				 			pwd_msg.innerHTML = '<i class="err"></i>不能全为数字！';   
    				 		}  
    				 		//不能全为字母   
    				 		else if(!reg_c.test(this.value)){
    				 			pwd_msg.innerHTML = '<i class="err"></i>不能全为字母！';   
    				 		}  
    				 		//OK    
    				 		else{      
    				 			pwd_msg.innerHTML = '<i class="ok"></i>OK！';
    				 		}  
    				 	} 
    				 	//确认密码   
    				 	pwd2.onblur = function(){    
    				 		if(this.value != pwd.value){ 
    				 			pwd2_msg.innerHTML = '<i class="err"></i>两次输入的密码不一致！';   
    				 		}else{      
    				 			pwd2_msg.innerHTML = '<i class="ok"></i>OK！';    
    				 		} 
    				 	}
    				 	}
    			</script>
    
    		</head>
    		<body>
    			<form action="">
    				<div>
    					<label for=""><span class="title">会员名：</span>
    					<input type="text" class="text"></label>
    					<p class="msg"><i class="ati"></i>5-25个字符，1个汉字为两个字符，推荐使用中文会员名</p>
    				</div>
    				<div>
    					<label for=""><span></span><b id="count">0个字符</b></label>
    				</div>
    				<div>
    					<label for=""><span class="title">登录密码：</span>
    						<input type="password" class="text"></label>
    						<p class="msg"><i class="err"></i></p>
    				</div>
    				<div id="tips">
    					<label for=""><span></span>
    						<em class="active">弱</em><em>中</em><em>强</em></label>
    				</div>
    				<div class="margin">
    					<label for=""><span class="title">确认密码：</span>
    						<input type="password" class="text" disabled="">
    					</label>
    					<p class="msg"><i class="ati"></i>请再输入一次</p>
    				</div>
    				<div class="margin">
    					<label for=""><span class="title">验证码：</span>
    						<input type="text" class="text checkimg"></label>
    						<img src="../表单验证/images/1.png">
    						<a href="javascript:;"class="changeImg" title="重新获取验证码"></a>
    				</div>
    				<div class="margin">
    					<input type="submit" id="submitBtn" class="submitBtn btn" value="同意协议并注册">
    				</div>
    			</form>
    		</body>
    	</html>
    	````
    ![在这里插入图片描述](https://img-blog.csdnimg.cn/20190715191256891.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L21pa2liaXViaXU=,size_16,color_FFFFFF,t_70)