当这些看起来比较时髦的时候,W3C 事实上已经含蓄地展示了他们的 label 例子。
主要好处:简单
代码:
label, input, select, textarea {display: block;}
label {margin-bottom: 10px;}
input[type="radio"], input[type="checkbox"] {display: inline;}
<form> <fieldset>
<legend>Contact Form</legend>
<label for="name">
Name</label>
<input id="name" name="name" size="20" />
<label for="email">Email</label>
<input id="email" name="email" size="20" />
<label for=" Choices"> Choices (radio) — <em>wrapped label</em></label>
<input name=" Choice" type="radio" /> Choice 1
<input name=" Choice" type="radio" /> Choice 2
<input name=" Choice" type="radio" /> Choice 3
<label style="margin-bottom: 0pt;" for=" Choices2"> Choices (checkbox) — <em>non-wrapped label, margin reset</em></label>
<input name=" Choice2" type="checkbox" /> Choice 1
<input name=" Choice2" type="checkbox" /> Choice 2
<input name=" Choice2" type="checkbox" /> Choice 3
<div style="height: 10px;"><!-- just to split the demo up --></div>
<label for=" Choices3"> Choices (checkbox) — <em>wrapped, hard line-break</em></label>
<input name=" Choice3" type="checkbox" /> Choice 1
<input name=" Choice3" type="checkbox" /> Choice 2
<input name=" Choice3" type="checkbox" /> Choice 3
<label for="dropdown">
Question</label>
<select id="dropdown"> <optgroup label="Group of Options"></optgroup> <option>Option 1</option> <option>Option 2</option> <option>Option 3</option> </select>
<label for="message">
Message
<textarea cols="36" rows="12" name="message"></textarea>
</label>
<input type="submit" value="send it" />
</fieldset>
</form>
运行结果:
#expamle1 label,#expamle1 input,#expamle1 select,#expamle1 textarea {display: block;}
#expamle1 label {margin-bottom: 10px;}
#expamle1 input[type="radio"],#expamle1 input[type="checkbox"] {display: inline;}
技术2:懒人
许多开发者采用了这种不正统但是快速简单(用换行隔断标记)的方法。虽然能运行,但是对你的 css 能力有害,因为你不需要任何 css 去实现它。
主要好处:快速
代码:
<form> <fieldset>
<legend>Contact Form</legend>
<label for="name">Name</label>
<input id="name" name="name" size="20" /> <label for="email">Email</label>
<input id="email" name="email" size="20" /> <label for=" Choices"> Choices (radio)</label>
<input name=" Choice" type="radio" /> Choice 1
<input name=" Choice" type="radio" /> Choice 2
<input name=" Choice" type="radio" /> Choice 3
<label for=" Choices3"> Choices (checkbox)</label>
<input name=" Choice3" type="checkbox" /> Choice 1
<input name=" Choice3" type="checkbox" /> Choice 2
<input name=" Choice3" type="checkbox" /> Choice 3
<label for="dropdown">Question</label>
<select id="dropdown"> <optgroup label="Group of Options"></optgroup> <option>Option 1</option> <option>Option 2</option> <option>Option 3</option> </select>
<label for="message">Message</label>
<textarea cols="36" rows="12" name="message"></textarea>
<input type="submit" value="send it" />
</fieldset>
</form>
运行结果:
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