老师，请问有没有这个课程的源代码呢？想学习一下
老师，请问有没有这个课程的源代码呢？想学习一下
2 回答
<!DOCTYPE html><html> <head> <title>注册</title> <style>*{margin:0; padding:0 }body{font-size:20px;} #allcontent{ width:1024px; padding:15px; margin:100px auto 0; border: 1px dashed orange} p{display:inline; margin-left:10px} #count{visibility:hidden; margin-left:83px} #em{background:orange; width:153px; margin:3px 0 7px 60px} em{opacity:0.2; display:inline-block; width:51px; text-align:center} em:first-child{background:orange; opacity:1} .active{background:orange; opacity:1}</style> </head> <body> <form id="allcontent"> <div> <label><b>会员名：</b><input type="text"></label><p>5-25个字符，一个汉字为两个字符，推荐使用中文会员名。</p> </div> <div id="count">0个字符</div> <div> <label><b>密码：</b><input type="text"></label><p>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。</p> </div> <div id="em"> <em>弱</em><em>中</em><em>强</em> </div> <div> <label><b>确认密码：</b><input type="text" disabled></label><p></p> </div> </form> <script>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></body></html>
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