序
一個以js驗證表單的簡潔的注冊登錄頁面,不多說直接上圖
效果
主要文件
完整代碼
1 sign_up.html 注冊表單
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>sign-up</title> <link rel="stylesheet" href="css/common_form.css"> </head> <body> <header> <div class="header-line"></div> </header> <div class="content"> <img class="content-logo" src="img/form_logo.png" alt="logo"> <h1 class="content-title">創建賬戶</h1> <div class="content-form"> <form method="post" action="" onsubmit="return submitTest()"> <div id="change_margin_1"> <input class="user" type="text" name="user" placeholder="請輸入用戶名" onblur="oBlur_1()" onfocus="oFocus_1()"> </div> <!-- input的value為空時彈出提醒 --> <p id="remind_1"></p> <div id="change_margin_2"> <input class="password" type="password" name="password" placeholder="請輸入密碼" onblur="oBlur_2()" onfocus="oFocus_2()"> </div> <!-- input的value為空時彈出提醒 --> <p id="remind_2"></p> <div id="change_margin_3"> <input class="content-form-signup" type="submit" value="創建賬戶"> </div> </form> </div> <div class="content-login-description">已經擁有賬戶?</div> <div><a class="content-login-link" href="log_in.html">登錄</a></div> </div> <script src="js/common_form_test.js"></script> </body> </html>
2 log_in.html 登錄表單
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>log-in</title> <link rel="stylesheet" href="css/common_form.css"> </head> <body> <header> <div class="header-line"></div> </header> <div class="content"> <img class="content-logo" src="img/form_logo.png" alt="logo"> <h1 class="content-title">登錄</h1> <div class="content-form"> <form method="post" action="" onsubmit="return submitTest()"> <div id="change_margin_1"> <input class="user" type="text" name="user" placeholder="請輸入用戶名" onblur="oBlur_1()" onfocus="oFocus_1()"> </div> <!-- input的value為空時彈出提醒 --> <p id="remind_1"></p> <div id="change_margin_2"> <input class="password" type="password" name="password" placeholder="請輸入密碼" onblur="oBlur_2()" onfocus="oFocus_2()"> </div> <!-- input的value為空時彈出提醒 --> <p id="remind_2"></p> <div id="change_margin_3"> <input class="content-form-signup" type="submit" value="登錄"> </div> </form> </div> <div class="content-login-description">沒有賬戶?</div> <div><a class="content-login-link" href="sign_up.html">注冊</a></div> </div> <script src="js/common_form_test.js"></script> </body> </html>
3 common_form.css 表單css樣式
/*重置樣式*/ html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub , sup, tt, var, b, u, i, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, section, summary, time, mark, audio, video { margin: 0; padding: 0; border: 0 } body { font-family: "微軟雅黑"; background: #f4f4f4; } /*header*/ .header-line { width: 100%; height: 4px; background: #0dbfdd; } /*content*/ .content { width: 28%; margin: 70px auto 0; text-align: center; } .content-logo { width: 80px; height: 80px; } .content-title { margin: 10px 0 25px 0; font-size: 2em; color: #747474; font-weight: normal; } .content-form { width: 100%; padding: 36px 0 20px; border: 1px solid #dedede; text-align: center; background: #fff; } .content-form form div { margin-bottom: 19px; } .content-form form .user, .content-form form .password { width: 77%; height: 20px; padding: 10px; font-size: 1em; border: 1px solid #cccbcb; border-radius: 7px; letter-spacing: 1px; } .content-form form input:focus { outline: none; -webkit-box-shadow: 0 0 5px #0dbfdd; box-shadow: 0 0 5px #0dbfdd; } .content-form-signup { width: 84%; margin: 0 auto; padding: 10px; border: 1px solid #cccbcb; border-radius: 7px; font-size: 1em; font-weight: bold; color: #fff; background: #0dbfdd; cursor: pointer; } .content-form-signup:hover { background: #0cb3d0; } .content-form-signup:focus { outline: none; border: 1px solid #0cb3d0; } .content-login-description { margin-top: 25px; line-height: 1.63636364; color: #747474; font-size: .91666667rem; } .content-login-link { font-size: 16px; color: #0dbfdd; text-decoration: none; } /*輸入框無內容便提示*/ #remind_1, #remind_2 { width: 76%; margin: 0 auto 2px; text-align: left; font-size: .2em; color: #f00; }
4 common_form_test.js 注冊登錄腳本
// 全局變量a和b,分別獲取用戶框和密碼框的value值 var a = document.getElementsByTagName("input")[0].value; var b = document.getElementsByTagName("input")[1].value; //用戶框失去焦點後驗證value值 function oBlur_1() { if (!a) { //用戶框value值為空 document.getElementById("remind_1").innerHTML = "請輸入用戶名!"; document.getElementById("change_margin_1").style.marginBottom = 1 + "px"; } else { //用戶框value值不為空 document.getElementById("remind_1").innerHTML = ""; document.getElementById("change_margin_1").style.marginBottom = 19 + "px"; } } //密碼框失去焦點後驗證value值 function oBlur_2() { if (!b) { //密碼框value值為空 document.getElementById("remind_2").innerHTML = "請輸入密碼!"; document.getElementById("change_margin_2").style.marginBottom = 1 + "px"; document.getElementById("change_margin_3").style.marginTop = 2 + "px"; } else { //密碼框value值不為空 document.getElementById("remind_2").innerHTML = ""; document.getElementById("change_margin_2").style.marginBottom = 19 + "px"; document.getElementById("change_margin_3").style.marginTop = 19 + "px"; } } //用戶框獲得焦點的隱藏提醒 function oFocus_1() { document.getElementById("remind_1").innerHTML = ""; document.getElementById("change_margin_1").style.marginBottom = 19 + "px"; } //密碼框獲得焦點的隱藏提醒 function oFocus_2() { document.getElementById("remind_2").innerHTML = ""; document.getElementById("change_margin_2").style.marginBottom = 19 + "px"; document.getElementById("change_margin_3").style.marginTop = 19 + "px"; } //若輸入框為空,阻止表單的提交 function submitTest() { if (!a && !b) { //用戶框value值和密碼框value值都為空 document.getElementById("remind_1").innerHTML = "請輸入用戶名!"; document.getElementById("change_margin_1").style.marginBottom = 1 + "px"; document.getElementById("remind_2").innerHTML = "請輸入密碼!"; document.getElementById("change_margin_2").style.marginBottom = 1 + "px"; document.getElementById("change_margin_3").style.marginTop = 2 + "px"; return false; //只有返回true表單才會提交 } else if (!a) { //用戶框value值為空 document.getElementById("remind_1").innerHTML = "請輸入用戶名!"; document.getElementById("change_margin_1").style.marginBottom = 1 + "px"; return false; } else if (!b) { //密碼框value值為空 document.getElementById("remind_2").innerHTML = "請輸入密碼!"; document.getElementById("change_margin_2").style.marginBottom = 1 + "px"; document.getElementById("change_margin_3").style.marginTop = 2 + "px"; return false; } }
5 form_logo.png Logo照片
到這裡,一個簡單的注冊登錄頁面就完成了,後面會持續更新,使之更強大。
以上就是本文的全部內容,希望對大家的學習有所幫助,也希望大家多多支持。