金隅嘉华大厦网站建设公司,企业网站 php 免费,自己怎么健网站视频教程,wordpress 当前页面文章目录 效果代码邮箱验证正则表达式HTMLCSS JS 效果 正确密码为#xff1a;123456 点击登录按钮校验。
代码
表单校验 - CodeSandbox
邮箱验证正则表达式
/(?:[a-z0-9!#$%*/?^_{|}~-](?:\.[a-z0-9!#$%*/?^_{|}~-])*|(?:[\x01-\x08\x0b\x0c\x0e-\x1… 文章目录 效果代码邮箱验证正则表达式HTMLCSS JS 效果 正确密码为123456 点击登录按钮校验。
代码
表单校验 - CodeSandbox
邮箱验证正则表达式
/(?:[a-z0-9!#$%*/?^_{|}~-](?:\.[a-z0-9!#$%*/?^_{|}~-])*|(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*)(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9]))\.){3}(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f]))\])/HTML
!doctype html
html langenheadmeta charsetUTF-8 /meta nameviewport contentwidthdevice-width, initial-scale1.0 /meta http-equivX-UA-Compatible contentieedge /titleHTML CSS/titlelink relstylesheet hrefstyles.css //headbodydiv classemailSigndiv classemailInputinput typetext placeholder邮箱 maxlength256 /p classemailInvalid inputError请输入正确邮箱/p/divdiv classpwdInputinputclasspwdValuetypepasswordnameidplaceholder密码6-32位minlength6maxlength32//divp classpwdEmpty inputError请输入密码/pp classbothError inputError邮箱或密码错误/pp classpwdShort inputError密码在6-32位/pdiv classbtnSign in/div/div!-- script typetext/javascript srchttps://code.jquery.com/jquery-3.3.1.min.js/script --scripttypetext/javascriptsrchttps://s3.pstatp.com/cdn/expire-1-M/jquery/3.3.1/jquery.min.js/scriptscript src./index.js/script/body
/html
CSS
.emailSign {display: flex;flex-direction: column;padding: 16px 20px;
}.emailInput input,
.pwdInput input {box-sizing: border-box;height: 48px;width: 100%;padding: 12px 16px;border-radius: 12px;background: rgba(255, 255, 255, 0.1);
}.emailSign .emailInput {margin-bottom: 32px;
}.emailSign input {color: #333;
}.emailSign .btn {height: 48px;line-height: 48px;text-align: center;margin-top: 36px;font-size: 16px;font-weight: 500;color: #fff;border-radius: 12px;background: #ff2828;opacity: 0.2;
}.inputError {margin-top: 4px;margin-left: 12px;color: #ff2828;font-size: 12px;font-weight: 400;
}
JS
init();// 输入框填写则按钮高亮否则置灰
$(.pwdValue).change(function () {if (btnStateCheck()) $(.btn).css(opacity, 1);else $(.btn).css(opacity, 0.2);
});$(.emailInput input).change(function () {if (btnStateCheck()) $(.btn).css(opacity, 1);else $(.btn).css(opacity, 0.2);
});// 点击按钮
$(.btn).on(click, function (e) {btnClick();
});// 初始化
function init() {emailSuccess();pswClearError();
}// 点击按钮
function btnClick() {let flag1 emailCheck();let flag2 pswCheck();if (flag1 flag2) {emailSuccess();pswClearError();}
}// 输入框都填写返回true
function btnStateCheck() {const psw $(.pwdValue)[0].value;const email $(.emailInput input)[0].value;if (psw ! email ! ) return true;else return false;
}// 验证是否是邮箱
function isEmail(str) {var reg /(?:[a-z0-9!#$%*/?^_{|}~-](?:\.[a-z0-9!#$%*/?^_{|}~-])*|(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21\x23-\x5b\x5d-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f])*)(?:(?:[a-z0-9](?:[a-z0-9-]*[a-z0-9])?\.)[a-z0-9](?:[a-z0-9-]*[a-z0-9])?|\[(?:(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9]))\.){3}(?:(2(5[0-5]|[0-4][0-9])|1[0-9][0-9]|[1-9]?[0-9])|[a-z0-9-]*[a-z0-9]:(?:[\x01-\x08\x0b\x0c\x0e-\x1f\x21-\x5a\x53-\x7f]|\\[\x01-\x09\x0b\x0c\x0e-\x7f]))\])/;return reg.test(str);
}// 检查邮箱是否合法
function emailCheck() {const email $(.emailInput input)[0].value;let flag false;if (email || !isEmail(email)) {emailError();} else {emailSuccess();flag true;}return flag;
}// 邮箱合法与否
function emailError() {$(.emailInput input).css(border, 1px solid #ff2828);$(.emailInvalid).show();
}function emailSuccess() {$(.emailInput input).css(border, );$(.emailInvalid).hide();
}// 密码输入正确
function pswClearError() {$(.pwdEmpty).hide();$(.bothError).hide();$(.pwdShort).hide();$(.emailInput input).css(border, );$(.pwdInput input).css(border, );
}// 验证密码是否合法
function pswCheck() {const psw $(.pwdValue)[0].value;if (psw ) {pswClearError();$(.pwdEmpty).show();$(.pwdInput input).css(border, 1px solid #ff2828);return false;} else if (psw.length 6) {pswClearError();$(.pwdShort).show();$(.pwdInput input).css(border, 1px solid #ff2828);return false;} else if (psw ! 123456) {// 假设密码是123456pswClearError();$(.bothError).show();$(.emailInput input).css(border, 1px solid #ff2828);$(.pwdInput input).css(border, 1px solid #ff2828);} else {return true;}
}
