如何获得CSS文件以正确地应用于我的PHP / HTML代码？

时间：2018-06-20 02:37:05

标签： javascript php html css

它看起来像这样：

enter image description here

但是应该看起来像video at 26:05中的样子。 image of a PHP login page from a YouTube tutorial on the top

我想问几件事：

  • 如果我要将其链接到数据库，代码是否仍然可以正常工作？
  • 如果我要更改一些CSS是否可行？
  • 是CSS还是HTML文件中的错误？

应该在页面的右侧。

/* 
html5doctor.com Reset Stylesheet
v1.6.1
Last Updated: 2010-09-17
Author: Richard Clark - http://richclarkdesign.com 
Twitter: @rich_clark
*/

html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
    margin:0;
    padding:0;
    border:0;
    outline:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}

body {
    line-height:1;
}

article,aside,details,figcaption,figure,
footer,header,hgroup,menu,nav,section { 
    display:block;
}

nav ul {
    list-style:none;
}

blockquote, q {
    quotes:none;
}

blockquote:before, blockquote:after,
q:before, q:after {
    content:'';
    content:none;
}

a {
    margin:0;
    padding:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}

/* change colours to suit your needs */
ins {
    background-color:#ff9;
    color:#000;
    text-decoration:none;
}

/* change colours to suit your needs */
mark {
    background-color:#ff9;
    color:#000; 
    font-style:italic;
    font-weight:bold;
}

del {
    text-decoration: line-through;
}

abbr[title], dfn[title] {
    border-bottom:1px dotted;
    cursor:help;
}

table {
    border-collapse:collapse;
    border-spacing:0;
}

/* change border colour to suit your needs */
hr {
    display:block;
    height:1px;
    border:0;   
    border-top:1px solid #cccccc;
    margin:1em 0;
    padding:0;
}

input, select {
    vertical-align:middle;
}

/*classes*/

.main-wrapper {
    margin: 0 auto;
    width: 1000px;
}

a {
    text-decoration: none;
}

body {
    background-color: #ccc;
}

header nav {
    width: 100%;
    height: 60px;
    background-color: #fff;
}

header nav ul {
    float: left;
}

header nav ul li {
    float: left;
    list-style: none;
}

header nav ul li a {
    font-family: arial;
    font-size: 16px;
    color: #111;
    line-height: 63px;
}

header .nav-login {
    float: right;
}

header .nav-login form {
    float: left;
    padding-top: 15px;
}

header .nav-login form input {
    float: left;
    width: 140px;
    height: 30px;
    padding: 0px 10px;
    margin-right: 10px;
    border: none;
    background-color: #ccc;
    font-family: arial;
    font-size: 14px;
    color: #111;
    line-height: 30px;
}

header .nav-login form input button {
    float: left;
    width: 60px;
    height: 30px;
    margin-right: 10px;
    border: none;
    background-color: #f3f3f3;
    font-family: arial;
    font-size: 14px;
    color: #111;
    cursor: pointer;
}

header .nav-login form input button {
    background-color: #ccc; 
}

header .nav-login a {
    display: block;
    width: 60px;
    height: 60px;
    border: none;
    float: left;
    background-color: #fff;
    font-family: arial;
    font-size: 16px;
    color: #111;
    line-height: 63px;
    cursor: pointer;
}

.main-container {
    padding-top: 40px;  
}

.main-container h2 {
    font-family: arial;
    font-size: 16px;
    color: #111;
    line-height: 50px;
    text-align: center;
}

/*signup.php*/

.signup-form {
    width: 400px;
    margin: 0 auto;
    padding-top: 30px;
}

.signup-form input {
    width: 90%;
    height: 40px;
    padding: 0px 5%;
    margin-bottom:4px;
    border: none;
    background-color: #fff;
    font-family: arial;
    font-size: 16px;
    color: #111;
    line-height: 40px;
}

.signup-form button {
    display: block;
    margin: 0 auto;
    width: 30%;
    height: 40px;
    border: none;
    background-color: #222;
    font-family: arial;
    font-size: 16px;
    color: #111;
    cursor: pointer;
}

.signup-form button:hover {
    background-color: #111;
}
<!DOCTYPE html>

<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
        <link rel="stylesheet" type="text/css" href="reset.css"></link>
        <link rel="stylesheet" type="text/css" href="style.css"></link>
    </head>
    <body>
        <header>
            <nav>
                <div class="main-wrapper">
                    <ul>
                        <li><a href="index.php">Home</a></li>
                    </ul>
                    <div clalss="nav-login">
                        <form>
                            <input type="text" name="uid" placeholder="Username/e-mail">
                            <input type="password" name="pwd" placeholder="password">
                            <button type="submit" name="submit">Login</button>
                        </form>
                        <a href="singup.php">Sign up</a>
                    </div>
                </div>
            </nav>
        </header>
</body>
</html>

2 个答案:

答案 0 :(得分：0)

好的，这是一些修复程序：

  • 您在html中拼写了“类”（并且您不需要</link>封闭）；
  • 某些类在css上声明，但未在html中使用（html：<form class="signup-form"> / css：.signup-form）;
  • 您忘了添加视频告诉您的一些CSS属性（浮动：向左）；

我已经进行了一些调整，但是您应该尝试修复其余部分：

/* 
html5doctor.com Reset Stylesheet
v1.6.1
Last Updated: 2010-09-17
Author: Richard Clark - http://richclarkdesign.com 
Twitter: @rich_clark
*/

html, body, div, span, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
abbr, address, cite, code,
del, dfn, em, img, ins, kbd, q, samp,
small, strong, sub, sup, var,
b, i,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, figcaption, figure, 
footer, header, hgroup, menu, nav, section, summary,
time, mark, audio, video {
    margin:0;
    padding:0;
    border:0;
    outline:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}

body {
    line-height:1;
}

article,aside,details,figcaption,figure,
footer,header,hgroup,menu,nav,section { 
    display:block;
}

nav ul {
    list-style:none;
}

blockquote, q {
    quotes:none;
}

blockquote:before, blockquote:after,
q:before, q:after {
    content:'';
    content:none;
}

a {
    margin:0;
    padding:0;
    font-size:100%;
    vertical-align:baseline;
    background:transparent;
}

/* change colours to suit your needs */
ins {
    background-color:#ff9;
    color:#000;
    text-decoration:none;
}

/* change colours to suit your needs */
mark {
    background-color:#ff9;
    color:#000; 
    font-style:italic;
    font-weight:bold;
}

del {
    text-decoration: line-through;
}

abbr[title], dfn[title] {
    border-bottom:1px dotted;
    cursor:help;
}

table {
    border-collapse:collapse;
    border-spacing:0;
}

/* change border colour to suit your needs */
hr {
    display:block;
    height:1px;
    border:0;   
    border-top:1px solid #cccccc;
    margin:1em 0;
    padding:0;
}

input, select {
    vertical-align:middle;
}

/*classes*/

.main-wrapper {
    margin: 0 auto;
    width: 1000px;
}

a {
    text-decoration: none;
}

body {
    background-color: #ccc;
}

header nav {
    width: 100%;
    height: 60px;
    background-color: #fff;
}

header nav ul {
    float: left;
}

header nav ul li {
    float: left;
    list-style: none;
}

header nav ul li a {
    font-family: arial;
    font-size: 16px;
    color: #111;
    line-height: 63px;
}

header .nav-login {
    float: right;
}

header .nav-login form {
    float: left;
    padding-top: 15px;
}

header .nav-login form input {
    float: left;
    width: 140px;
    height: 30px;
    padding: 0px 10px;
    margin-right: 10px;
    border: none;
    background-color: #ccc;
    font-family: arial;
    font-size: 14px;
    color: #111;
    line-height: 30px;
}

header .nav-login form input button {
    float: left;
    width: 60px;
    height: 30px;
    margin-right: 10px;
    border: none;
    background-color: #f3f3f3;
    font-family: arial;
    font-size: 14px;
    color: #111;
    cursor: pointer;
}

header .nav-login form input button {
    background-color: #ccc; 
}

header .nav-login a {
    display: block;
    width: 60px;
    height: 60px;
    border: none;
    float: left;
    background-color: #fff;
    font-family: arial;
    font-size: 16px;
    color: #111;
    line-height: 63px;
    cursor: pointer;
}

.main-container {
    padding-top: 40px;  
}

.main-container h2 {
    font-family: arial;
    font-size: 16px;
    color: #111;
    line-height: 50px;
    text-align: center;
}

/*signup.php*/

.signup-form {
    width: 600px;
    margin: 0 auto;
    padding-top: 30px;
}

.signup-form input {
    float: left;
    width: 90%;
    height: 40px;
    padding: 0px 5%;
    margin-bottom:4px;
    border: none;
    background-color: #fff;
    font-family: arial;
    font-size: 16px;
    color: #111;
    line-height: 40px;
}

.signup-form button {
    float:left;
    display: block;
    margin: 0 auto;
    width: 30%;
    height: 40px;
    border: none;
    background-color: #eee;
    font-family: arial;
    font-size: 16px;
    color: #111;
    cursor: pointer;
}

.signup-form button:hover {
    background-color: #111;
}
<!DOCTYPE html>

<html>
    <head>
        <meta charset="UTF-8">
        <title></title>
        <link rel="stylesheet" type="text/css" href="reset.css">
        <link rel="stylesheet" type="text/css" href="style.css">
    </head>
    <body>
        <header>
            <nav>
                <div class="main-wrapper">
                    <ul>
                        <li><a href="index.php">Home</a></li>
                    </ul>
                    <div class="nav-login">
                        <form class="signup-form">
                            <input type="text" name="uid" placeholder="Username/e-mail">
                            <input type="password" name="pwd" placeholder="password">
                            <button type="submit" name="submit">Login</button>
                        </form>
                        <a href="singup.php">Sign up</a>
                    </div>
                </div>
            </nav>
        </header>
</body>
</html>

说实话，我不太了解您的问题，但是我还是会尝试回答：

  1. 我看不到与数据库链接的问题，因为您的代码中没有与数据库相关的信息...
  2. CSS基本上只是视觉效果，因此，如果更改它，它不会改变代码的功能。
  3. 在这种情况下，CSS和HTML均出现错误。

无论如何，希望这可以为您提供帮助。

答案 1 :(得分：0)

在我还没说什么之前，它是<link rel="stylesheet" href="style.css">而不是<link rel="stylesheet" type="text/css" href="style.css"></link>。您已关闭标签。这可能就是为什么它不起作用的原因。无论如何，这是另一种解决方案。

我发现this answer on stackoverflow可以解决您的问题：

  

您必须在CSS周围加上一个标签：

<?php include 'header.php'; ?>
<style>
<?php include 'CSS/main.css'; ?>
</style>
  

... PHP include也可以以.css结尾。这样，您甚至可以在CSS文件中使用PHP。这对于组织例如颜色作为变量。

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