PHP和HTML的课堂小练习
本文最后更新于202天前,其中的信息可能已经过时,如有错误请在评论区悄悄告诉我~~~

PHP小日历

代码

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>日历</title>
    <style type="text/css">
        h1,table{
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .tdb{
            border: 1px solid #000;
        }
        td{
            width: 50px;
            height: 30px;
            text-align: center;
        }
        table{
            border: 1px solid #000;
            width: 378px;
            margin: 0 auto;
        }
    </style>
</head>
<body>
    <h1>
        <?php
            $now = date('Y年m月d日');
            echo $now;
        ?>
    </h1>
    <table>
        <tr>
            <td>日</td>
            <td>一</td>
            <td>二</td>
            <td>三</td>
            <td>四</td>
            <td>五</td>
            <td>六</td>
        </tr>
    <?php
        //获取当前时间
        $year = date('y');
        $month = date('m');
        $day = date('d');
        $firstday = date('w',strtotime($year.'-'.$month.'-1'));
        // 获取月份天数
        if ($year % 4 ==0 && $year % 100 !=0 || $year % 400 == 0){
            $flag = 1;
        }
        else{
            $flag = 0;
        }
        
        switch($month){
            case 4:
            case 6:
            case 9:
            case 11:
                $days = 30;
                break;
            case 1:
            case 3:
            case 5:
            case 7:
            case 8:
            case 10:
            case 12:
                $days = 31;
                break;
            case 2:
                if ($flag == 1){
                    $days = 29;
                }
                else{
                    $days = 28;
                }
                break;
        }
        //循环输出日历
        echo "<tr>";
        for ($i=0;$i<$firstday;$i++){
            echo '<td></td>';
        }

        for ($i=1;$i<=$days;$i++){
            if (($i + $firstday - 1) % 7 == 0){
            echo "</tr><tr>";
            }
            if ($i == $day){
                echo "<td class='tdb'> $i </td>";
            }
            else{
                echo "<td> $i </td>";
            }
        }
        echo "</tr>";
    ?>
    </table>
</body>
</html>

效果

HTML的个人介绍

代码

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <h1>个人介绍</h1>
    <form accept="">
        <table border="1">
            <tr>
                <td>姓名:</td>
                <td><input type="text"></td>
                <td>必须为6-20个字母</td>
            </tr>
            <tr>
                <td>性别:</td>
                <td>
                    <input type="radio">男
                    <input type="radio">女
                </td>
                <td></td>
            </tr>
            <tr>
                <td>年龄:</td>
                <td><input type="text"></td>
                <td>取值为0-100</td>
            </tr>
            <tr>
                <td>个人密码:</td>
                <td><input type="password"></td>
                <td>6-10个字符</td>
            </tr>
            <tr>
                <td>确认密码:</td>
                <td><input type="password"></td>
                <td>与个人密码相同</td>
            </tr>
            <tr>
                <td>你的爱好:</td>
                <td>
                    <input type="checkbox">打游戏
                    <input type="checkbox">吃饭
                    <input type="checkbox">睡觉
                    <input type="checkbox">刷短视频
                    <input type="checkbox">编程
                </td>
                <td></td>
            </tr>
            <tr>
                <td>你最喜欢的颜色:</td>
                <td>
                    <select>
                        <option>红色</option>
                        <option>绿色</option>
                    </select>
                </td>
                <td></td>
            </tr>
            <tr>
                <td>个人介绍:</td>
                <td><textarea></textarea></td>
                <td>不能为空</td>
            </tr>
            <tr>
                <td></td>
                <td>
                    <input type="submit" value="提交">
                    <input type="reset" value="重置">
                </td>
                <td></td>
            </tr>
        </table>
    </form>
</body>
</html>

效果

HTML的个人介绍(加js验证)

(随便写写,有错误还请多多见谅,也欢迎提出)

代码

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>个人介绍</title>
</head>

<body>
    <h1>个人介绍</h1>
    <form accept="">
        <table border="1">
            <tr>
                <td>姓名:</td>
                <td><input type="text" id="username"></td>
                <td id="username_text">必须为6-10个字符</td>
            </tr>
            <tr>
                <td>性别:</td>
                <td>
                    <label><input type="radio" name="age" checked>男</label>
                    <label><input type="radio" name="age">女</label>
                </td>
                <td></td>
            </tr>
            <tr>
                <td>年龄:</td>
                <td><input type="text" id="age"></td>
                <td id="age_text">取值为0-100</td>
            </tr>
            <tr>
                <td>个人密码:</td>
                <td><input type="password" id="pass"></td>
                <td id="pass_text">必须为6-20个字符</td>
            </tr>
            <tr>
                <td>确认密码:</td>
                <td><input type="password" id="password"></td>
                <td id="password_text">与个人密码相同</td>
            </tr>
            <tr>
                <td>你的爱好:</td>
                <td>
                    <label><input type="checkbox" class="love">打游戏</label>
                    <label><input type="checkbox" class="love">吃饭</label>
                    <label><input type="checkbox" class="love">睡觉</label>
                    <label><input type="checkbox" class="love">刷短视频</label>
                    <label><input type="checkbox" class="love">编程</label>
                </td>
                <td id="love_text"></td>
            </tr>
            <tr>
                <td>你最喜欢的颜色:</td>
                <td>
                    <select id="colour">
                        <option value="0">未选择</option>
                        <option value="1">红色</option>
                        <option value="2">绿色</option>
                    </select>
                </td>
                <td id="colour_text"></td>
            </tr>
            <tr>
                <td>个人介绍:</td>
                <td><textarea id="introduce"></textarea></td>
                <td id="introduce_text">不能为空</td>
            </tr>
            <tr>
                <td></td>
                <td>
                    <input type="submit" value="提交" id="submit">
                    <input type="reset" value="重置">
                </td>
                <td></td>
            </tr>
        </table>
    </form>
    <script>
        //姓名验证
        let username = document.getElementById("username");
        let username_text = document.getElementById("username_text");

        username.onblur = function() {
            if (username.value.length > 5 && username.value.length < 21) {
                username_text.innerText = " √"
            }
            else {
                username_text.innerText = " × 必须为6-10个字符"
            }
        }
        username.onclick = function() {
            username_text.innerText = "必须为6-10个字符";
        }

        //年龄判断
        let age = document.getElementById("age");
        let age_text = document.getElementById("age_text");

        age.onblur = function() {
            if (!(/(^[0-9]\d*$)/.test(age.value)) && age.value != "") {
                age_text.innerText = " × 必须为正整数"
            }
            else if (age.value > 0 && age.value < 101 && age.value != "") {
                age_text.innerText = " √"
            }
            else {
                age_text.innerText = " × 取值为0-100"
            }
        }
        age.onclick = function() {
            age_text.innerText = "取值为0-100";
        }

        //密码判断
        let pass = document.getElementById("pass");
        let password = document.getElementById("password");
        let pass_text = document.getElementById("pass_text");
        let password_text = document.getElementById("password_text");

        pass.onblur = function() {
            if (pass.value.length < 6 || pass.value.length > 20) {
                pass_text.innerText = " × 必须为6-20个字符"
            }
            else {
                pass_text.innerText = " √"
            }
        }
        pass.onclick = function() {
            pass_text.innerText = "必须为6-20个字符";
        }
        password.onblur = function() {
            if (pass.value != password.value) {
                password_text.innerText = " × 两次密码输入不一致";
            }
            else if (pass.value == password.value && password.value != "") {
                password_text.innerText = " √";
            }
        }
        password.onclick = function() {
            password_text.innerText = "与个人密码相同";
        }

        //个人介绍判断
        let introduce = document.getElementById("introduce");
        let introduce_text = document.getElementById("introduce_text");

        introduce.onblur = function() {
            if (introduce.value == "") {
                introduce_text.innerText = " × 不能为空";
            }
            else {
                introduce_text.innerText = " √";
            }
        }
        introduce.onclick = function() {
            introduce_text.innerText = "不能为空";
        }

        //爱好选择判断
        let love = document.getElementsByClassName("love");
        let love_text = document.getElementById("love_text");
        let love_L = 0;

        for (let i = 0; i < love.length; i++) {
            love[i].onclick = function() {
                if (love[i].checked == true) {
                    love_L = love_L + 1;
                }
                else if (love[i].checked == false) {
                    love_L = love_L - 1;
                }
                if (love_L == 0) {
                    love_text.innerText = " × 至少选择一项";
                }
                else if (love_L != 0) {
                    love_text.innerText = "";
                }
            }
        }

        //颜色选择判断
        let colour = document.getElementById("colour");
        let colour_text = document.getElementById("colour_text");

        colour.onclick = function() {
            if (colour.selectedIndex == 0) {
                colour_text.innerText = " × 请选择你喜欢的颜色";
            }
            else if (colour.selectedIndex != 0) {
                colour_text.innerText = "";
            }
        }
    </script>
</body>

</html>

未完成!!!

此文章是我在学校上课时和课后做的一些小笔记,有错误还请多多包涵,仅供参考
作者:404_502
版权声明: 本博客所有文章除特别声明外,均采用 CC BY-NC-SA 4.0协议。转载请注明文章地址及作者

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