前台技术学习1

前台技术包括HTML+CSS

在这之前，做程序的时候已经使用过html，但是里面的标签也是仅限于使用，对于如何让灵活使用以及它的涵义理解并不透彻，所以对其进行了学习。

首先说一下软件架构：C/S   客户端/服务器端  用于手机app的制作；B/S   浏览器/服务器端  制作浏览器访问的网页。自己上学期做的程序基本都是B/S架构。

对于html中标签的学习参照下面的网址

https://www.w3school.com.cn/tags/index.asp

了解完一些常用标签之后，自己做了一个案例，里面的三个html是相互联系的

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>前台01</title>
    <meta name="renderer" content="webkit">
    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
    <link rel="stylesheet" href="../layui-v2.6.8/layui/css/layui.css" tppabs="https://www.layui.site/layui/dist/css/layui.css" media="all">
</head>
<body>
<blockquote class="layui-elem-quote layui-text">
    鉴于小伙伴的普遍反馈，先温馨提醒两个常见“问题”：1. <a href="../doc/base/faq.html#form" tppabs="https://www.layui.site/doc/base/faq.html#form" target="_blank">为什么select/checkbox/radio没显示？</a> 2. <a href="../doc/modules/form.html#render" tppabs="https://www.layui.site/doc/modules/form.html#render" target="_blank">动态添加的表单元素如何更新？</a>
</blockquote>

<fieldset class="layui-elem-field layui-field-title" style="margin-top: 20px;">
    <legend>表单集合演示</legend>
</fieldset>

<form class="layui-form" action="">
    <div class="layui-form-item">
        <label class="layui-form-label">单行输入框</label>
        <div class="layui-input-block">
            <input type="text" name="title" lay-verify="title" autocomplete="off" placeholder="请输入标题" class="layui-input">
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">验证必填项</label>
        <div class="layui-input-block">
            <input type="text" name="username" lay-verify="required" lay-reqtext="用户名是必填项，岂能为空？" placeholder="请输入" autocomplete="off" class="layui-input">
        </div>
    </div>

    <div class="layui-form-item">
        <div class="layui-inline">
            <label class="layui-form-label">验证手机</label>
            <div class="layui-input-inline">
                <input type="tel" name="phone" lay-verify="required|phone" autocomplete="off" class="layui-input">
            </div>
        </div>
        <div class="layui-inline">
            <label class="layui-form-label">验证邮箱</label>
            <div class="layui-input-inline">
                <input type="text" name="email" lay-verify="email" autocomplete="off" class="layui-input">
            </div>
        </div>
    </div>

    <div class="layui-form-item">
        <div class="layui-inline">
            <label class="layui-form-label">多规则验证</label>
            <div class="layui-input-inline">
                <input type="text" name="number" lay-verify="required|number" autocomplete="off" class="layui-input">
            </div>
        </div>
        <div class="layui-inline">
            <label class="layui-form-label">验证日期</label>
            <div class="layui-input-inline">
                <input type="text" name="date" id="date" lay-verify="date" placeholder="yyyy-MM-dd" autocomplete="off" class="layui-input">
            </div>
        </div>
        <div class="layui-inline">
            <label class="layui-form-label">验证链接</label>
            <div class="layui-input-inline">
                <input type="tel" name="url" lay-verify="url" autocomplete="off" class="layui-input">
            </div>
        </div>
    </div>

    <div class="layui-form-item">
        <label class="layui-form-label">验证身份证</label>
        <div class="layui-input-block">
            <input type="text" name="identity" lay-verify="identity" placeholder="" autocomplete="off" class="layui-input">
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">自定义验证</label>
        <div class="layui-input-inline">
            <input type="password" name="password" lay-verify="pass" placeholder="请输入密码" autocomplete="off" class="layui-input">
        </div>
        <div class="layui-form-mid layui-word-aux">请填写6到12位密码</div>
    </div>

    <div class="layui-form-item">
        <div class="layui-inline">
            <label class="layui-form-label">范围</label>
            <div class="layui-input-inline" style="width: 100px;">
                <input type="text" name="price_min" placeholder="￥" autocomplete="off" class="layui-input">
            </div>
            <div class="layui-form-mid">-</div>
            <div class="layui-input-inline" style="width: 100px;">
                <input type="text" name="price_max" placeholder="￥" autocomplete="off" class="layui-input">
            </div>
        </div>
    </div>

    <div class="layui-form-item">
        <label class="layui-form-label">单行选择框</label>
        <div class="layui-input-block">
            <select name="interest" lay-filter="aihao">
                <option value=""></option>
                <option value="0">写作</option>
                <option value="1" selected="">阅读</option>
                <option value="2">游戏</option>
                <option value="3">音乐</option>
                <option value="4">旅行</option>
            </select>
        </div>
    </div>


    <div class="layui-form-item">
        <div class="layui-inline">
            <label class="layui-form-label">分组选择框</label>
            <div class="layui-input-inline">
                <select name="quiz">
                    <option value="">请选择问题</option>
                    <optgroup label="城市记忆">
                        <option value="你工作的第一个城市">你工作的第一个城市</option>
                    </optgroup>
                    <optgroup label="学生时代">
                        <option value="你的工号">你的工号</option>
                        <option value="你最喜欢的老师">你最喜欢的老师</option>
                    </optgroup>
                </select>
            </div>
        </div>
        <div class="layui-inline">
            <label class="layui-form-label">搜索选择框</label>
            <div class="layui-input-inline">
                <select name="modules" lay-verify="required" lay-search="">
                    <option value="">直接选择或搜索选择</option>
                    <option value="1">layer</option>
                    <option value="2">form</option>
                    <option value="3">layim</option>
                    <option value="4">element</option>
                    <option value="5">laytpl</option>
                    <option value="6">upload</option>
                    <option value="7">laydate</option>
                    <option value="8">laypage</option>
                    <option value="9">flow</option>
                    <option value="10">util</option>
                    <option value="11">code</option>
                    <option value="12">tree</option>
                    <option value="13">layedit</option>
                    <option value="14">nav</option>
                    <option value="15">tab</option>
                    <option value="16">table</option>
                    <option value="17">select</option>
                    <option value="18">checkbox</option>
                    <option value="19">switch</option>
                    <option value="20">radio</option>
                </select>
            </div>
        </div>
    </div>

    <div class="layui-form-item">
        <label class="layui-form-label">联动选择框</label>
        <div class="layui-input-inline">
            <select name="quiz1">
                <option value="">请选择省</option>
                <option value="浙江" selected="">浙江省</option>
                <option value="你的工号">江西省</option>
                <option value="你最喜欢的老师">福建省</option>
            </select>
        </div>
        <div class="layui-input-inline">
            <select name="quiz2">
                <option value="">请选择市</option>
                <option value="杭州">杭州</option>
                <option value="宁波" disabled="">宁波</option>
                <option value="温州">温州</option>
                <option value="温州">台州</option>
                <option value="温州">绍兴</option>
            </select>
        </div>
        <div class="layui-input-inline">
            <select name="quiz3">
                <option value="">请选择县/区</option>
                <option value="西湖区">西湖区</option>
                <option value="余杭区">余杭区</option>
                <option value="拱墅区">临安市</option>
            </select>
        </div>
        <div class="layui-form-mid layui-word-aux">此处只是演示联动排版，并未做联动交互</div>
    </div>

    <div class="layui-form-item">
        <label class="layui-form-label">复选框</label>
        <div class="layui-input-block">
            <input type="checkbox" name="like[write]" title="写作">
            <input type="checkbox" name="like[read]" title="阅读" checked="">
            <input type="checkbox" name="like[game]" title="游戏">
        </div>
    </div>

    <div class="layui-form-item" pane="">
        <label class="layui-form-label">原始复选框</label>
        <div class="layui-input-block">
            <input type="checkbox" name="like1[write]" lay-skin="primary" title="写作" checked="">
            <input type="checkbox" name="like1[read]" lay-skin="primary" title="阅读">
            <input type="checkbox" name="like1[game]" lay-skin="primary" title="游戏" disabled="">
        </div>
    </div>

    <div class="layui-form-item">
        <label class="layui-form-label">开关-默认关</label>
        <div class="layui-input-block">
            <input type="checkbox" name="close" lay-skin="switch" lay-text="ON|OFF">
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">开关-默认开</label>
        <div class="layui-input-block">
            <input type="checkbox" checked="" name="open" lay-skin="switch" lay-filter="switchTest" lay-text="ON|OFF">
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">单选框</label>
        <div class="layui-input-block">
            <input type="radio" name="sex" value="男" title="男" checked="">
            <input type="radio" name="sex" value="女" title="女">
            <input type="radio" name="sex" value="禁" title="禁用" disabled="">
        </div>
    </div>
    <div class="layui-form-item layui-form-text">
        <label class="layui-form-label">普通文本域</label>
        <div class="layui-input-block">
            <textarea placeholder="请输入内容" class="layui-textarea"></textarea>
        </div>
    </div>
    <!--<div class="layui-form-item layui-form-text">
      <label class="layui-form-label">编辑器</label>
      <div class="layui-input-block">
        <textarea class="layui-textarea layui-hide" name="content" lay-verify="content" id="LAY_demo_editor"></textarea>
      </div>
    </div>-->
    <div class="layui-form-item">
        <div class="layui-input-block">
            <button type="submit" class="layui-btn" lay-submit="" lay-filter="demo1">立即提交</button>
            <button type="reset" class="layui-btn layui-btn-primary">重置</button>
        </div>
    </div>
</form>

<!-- 示例-970 -->


<fieldset class="layui-elem-field layui-field-title" style="margin-top: 50px;">
    <legend>赋值和取值</legend>
</fieldset>

<form class="layui-form" action="" lay-filter="example">
    <div class="layui-form-item">
        <label class="layui-form-label">输入框</label>
        <div class="layui-input-block">
            <input type="text" name="username" lay-verify="title" autocomplete="off" placeholder="请输入标题" class="layui-input">
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">密码框</label>
        <div class="layui-input-block">
            <input type="password" name="password" placeholder="请输入密码" autocomplete="off" class="layui-input">
        </div>
    </div>

    <div class="layui-form-item">
        <label class="layui-form-label">选择框</label>
        <div class="layui-input-block">
            <select name="interest" lay-filter="aihao">
                <option value=""></option>
                <option value="0">写作</option>
                <option value="1">阅读</option>
                <option value="2">游戏</option>
                <option value="3">音乐</option>
                <option value="4">旅行</option>
            </select>
        </div>
    </div>

    <div class="layui-form-item">
        <label class="layui-form-label">复选框</label>
        <div class="layui-input-block">
            <input type="checkbox" name="like[write]" title="写作">
            <input type="checkbox" name="like[read]" title="阅读">
            <input type="checkbox" name="like[daze]" title="发呆">
        </div>
    </div>

    <div class="layui-form-item">
        <label class="layui-form-label">开关</label>
        <div class="layui-input-block">
            <input type="checkbox" name="close" lay-skin="switch" lay-text="ON|OFF">
        </div>
    </div>

    <div class="layui-form-item">
        <label class="layui-form-label">单选框</label>
        <div class="layui-input-block">
            <input type="radio" name="sex" value="男" title="男" checked="">
            <input type="radio" name="sex" value="女" title="女">
        </div>
    </div>
    <div class="layui-form-item layui-form-text">
        <label class="layui-form-label">文本域</label>
        <div class="layui-input-block">
            <textarea placeholder="请输入内容" class="layui-textarea" name="desc"></textarea>
        </div>
    </div>

    <div class="layui-form-item">
        <div class="layui-input-block">
            <button type="button" class="layui-btn layui-btn-normal" id="LAY-component-form-setval">赋值</button>
            <button type="button" class="layui-btn layui-btn-normal" id="LAY-component-form-getval">取值</button>
            <button type="submit" class="layui-btn" lay-submit="" lay-filter="demo1">立即提交</button>
        </div>
    </div>
</form>
<fieldset class="layui-elem-field layui-field-title" style="margin-top: 50px;">
    <legend>方框风格的表单集合</legend>
</fieldset>
<form class="layui-form layui-form-pane" action="">
    <div class="layui-form-item">
        <label class="layui-form-label">长输入框</label>
        <div class="layui-input-block">
            <input type="text" name="title" autocomplete="off" placeholder="请输入标题" class="layui-input">
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">短输入框</label>
        <div class="layui-input-inline">
            <input type="text" name="username" lay-verify="required" placeholder="请输入" autocomplete="off" class="layui-input">
        </div>
    </div>

    <div class="layui-form-item">
        <div class="layui-inline">
            <label class="layui-form-label">日期选择</label>
            <div class="layui-input-block">
                <input type="text" name="date" id="date1" autocomplete="off" class="layui-input">
            </div>
        </div>
        <div class="layui-inline">
            <label class="layui-form-label">行内表单</label>
            <div class="layui-input-inline">
                <input type="text" name="number" autocomplete="off" class="layui-input">
            </div>
        </div>
    </div>
    <div class="layui-form-item">
        <label class="layui-form-label">密码</label>
        <div class="layui-input-inline">
            <input type="password" name="password" placeholder="请输入密码" autocomplete="off" class="layui-input">
        </div>
        <div class="layui-form-mid layui-word-aux">请务必填写用户名</div>
    </div>

    <div class="layui-form-item">
        <div class="layui-inline">
            <label class="layui-form-label">范围</label>
            <div class="layui-input-inline" style="width: 100px;">
                <input type="text" name="price_min" placeholder="￥" autocomplete="off" class="layui-input">
            </div>
            <div class="layui-form-mid">-</div>
            <div class="layui-input-inline" style="width: 100px;">
                <input type="text" name="price_max" placeholder="￥" autocomplete="off" class="layui-input">
            </div>
        </div>
    </div>

    <div class="layui-form-item">
        <label class="layui-form-label">单行选择框</label>
        <div class="layui-input-block">
            <select name="interest" lay-filter="aihao">
                <option value=""></option>
                <option value="0">写作</option>
                <option value="1" selected="">阅读</option>
                <option value="2">游戏</option>
                <option value="3">音乐</option>
                <option value="4">旅行</option>
            </select>
        </div>
    </div>

    <div class="layui-form-item">
        <label class="layui-form-label">行内选择框</label>
        <div class="layui-input-inline">
            <select name="quiz1">
                <option value="">请选择省</option>
                <option value="浙江" selected="">浙江省</option>
                <option value="你的工号">江西省</option>
                <option value="你最喜欢的老师">福建省</option>
            </select>
        </div>
        <div class="layui-input-inline">
            <select name="quiz2">
                <option value="">请选择市</option>
                <option value="杭州">杭州</option>
                <option value="宁波" disabled="">宁波</option>
                <option value="温州">温州</option>
                <option value="温州">台州</option>
                <option value="温州">绍兴</option>
            </select>
        </div>
        <div class="layui-input-inline">
            <select name="quiz3">
                <option value="">请选择县/区</option>
                <option value="西湖区">西湖区</option>
                <option value="余杭区">余杭区</option>
                <option value="拱墅区">临安市</option>
            </select>
        </div>
    </div>
    <div class="layui-form-item" pane="">
        <label class="layui-form-label">开关-开</label>
        <div class="layui-input-block">
            <input type="checkbox" checked="" name="open" lay-skin="switch" lay-filter="switchTest" title="开关">
        </div>
    </div>
    <div class="layui-form-item" pane="">
        <label class="layui-form-label">单选框</label>
        <div class="layui-input-block">
            <input type="radio" name="sex" value="男" title="男" checked="">
            <input type="radio" name="sex" value="女" title="女">
            <input type="radio" name="sex" value="禁" title="禁用" disabled="">
        </div>
    </div>
    <div class="layui-form-item layui-form-text">
        <label class="layui-form-label">文本域</label>
        <div class="layui-input-block">
            <textarea placeholder="请输入内容" class="layui-textarea"></textarea>
        </div>
    </div>
    <div class="layui-form-item">
        <button class="layui-btn" lay-submit="" lay-filter="demo2">跳转式提交</button>
    </div>
</form>

<script src="//res.layui.com/layui/dist/layui.js" charset="utf-8"></script>
<!-- 注意：如果你直接复制所有代码到本地，上述 JS 路径需要改成你本地的 -->
<script>
    layui.use(['form', 'layedit', 'laydate'], function(){
        var form = layui.form
            ,layer = layui.layer
            ,layedit = layui.layedit
            ,laydate = layui.laydate;

        //日期
        laydate.render({
            elem: '#date'
        });
        laydate.render({
            elem: '#date1'
        });

        //创建一个编辑器
        var editIndex = layedit.build('LAY_demo_editor');

        //自定义验证规则
        form.verify({
            title: function(value){
                if(value.length < 5){
                    return '标题至少得5个字符啊';
                }
            }
            ,pass: [
                /^[\S]{6,12}$/
                ,'密码必须6到12位，且不能出现空格'
            ]
            ,content: function(value){
                layedit.sync(editIndex);
            }
        });

        //监听指定开关
        form.on('switch(switchTest)', function(data){
            layer.msg('开关checked：'+ (this.checked ? 'true' : 'false'), {
                offset: '6px'
            });
            layer.tips('温馨提示：请注意开关状态的文字可以随意定义，而不仅仅是ON|OFF', data.othis)
        });

        //监听提交
        form.on('submit(demo1)', function(data){
            layer.alert(JSON.stringify(data.field), {
                title: '最终的提交信息'
            })
            return false;
        });

        //表单赋值
        layui.$('#LAY-component-form-setval').on('click', function(){
            form.val('example', {
                "username": "贤心" // "name": "value"
                ,"password": "123456"
                ,"interest": 1
                ,"like[write]": true //复选框选中状态
                ,"close": true //开关状态
                ,"sex": "女"
                ,"desc": "我爱 layui"
            });
        });

        //表单取值
        layui.$('#LAY-component-form-getval').on('click', function(){
            var data = form.val('example');
            alert(JSON.stringify(data));
        });

    });
</script>
</body>
</html>
 1 <!DOCTYPE html>
 2 <html lang="en">
 3 <head>
 4     <meta charset="UTF-8">
 5     <title>Title</title>
 6 </head>
 7 <body>
 8 <p>这是一个单独的窗口</p>
 9 </body>
10 </html>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>窗口框架</title>
</head>
<body>
<h2>这是一个窗口</h2>
<iframe src="02.html" width="500" height="400" name="jz"></iframe><br>
<ul>
    <li><a href="01.html" target="jz">点我有惊喜</a></li>
</ul>
</body>
</html>

明天将继续学习css

posted on 2021-12-25 14:43  跨越&尘世  阅读(66)  评论(0)  编辑  收藏  举报

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