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前后缀输入框(.input)是一种增强型输入控件,支持在输入框前后添加图标、文字、计数器等附加内容。附加元素通过 .input-prefix / .input-suffix 放置,控件本身放在 .input-body 中。
.input-prefix 前置图标,.input-suffix 后置图标,控件必须放在 .input-body 内。
<div class="input"> <div class="input-prefix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <!--控件需要放在最后--> <div class="input-body"> <input type="text"/> </div> </div>
.input 可嵌套在 .input-group 中,形成输入框组 + 前后缀的复合结构。
<div class="input-group"> <div class="input-group-prepend"> <div class="input-group-text">█</div> </div> <div class="input-group-append"> <div class="input-group-text">元</div> </div> <div class="input-group-body"> <div class="input"> <div class="input-prefix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <!--控件需要放在最后--> <div class="input-body"> <input type="text"/> </div> </div> </div> </div>
在 .input-body 或 .input-suffix 中放入 .control-clear 清空按钮。当没有后缀时放在 .input-body 内,有后缀时可放在 .input-suffix 中。
<!-- 没有后缀 --> <div class="input"> <div class="input-prefix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <!--控件需要放在最后--> <div class="input-body" ><input type="text" ><button type="button" class="control-clear fa"></button ></div> </div> <br/> <!-- 有后缀 --> <div class="input"> <div class="input-prefix" ><i class="icon fa"></i ><span class="valign-sibling"></span ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><i class="icon fa"></i ><button type="button" class="control-clear fa"></button ></div> <!--控件需要放在最后--> <div class="input-body" ><input type="text" ><button type="button" class="control-clear fa"></button ></div> </div> <br/> <!-- 有按钮:带计数器 --> <div class="input"> <div class="input-prefix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><span class="input-counter">0/111</span ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <!--控件需要放在最后--> <div class="input-body" ><input type="text" ><button type="button" class="control-clear fa"></button ></div> </div>
在 .input 上添加 .input-disabled,同时给 <input> 设置 disabled 属性。
<div class="input-group"> <div class="input-group-prepend"> <div class="input-group-text">█</div> </div> <div class="input-group-append btn-group"> <button type="button" class="btn btn-default btn-disabled" disabled>按钮 1</button> <button type="button" class="btn btn-primary btn-disabled" disabled>按钮 2</button> </div> <div class="input-group-body"> <div class="input input-disabled"> <div class="input-prefix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><span class="input-counter">0/111</span ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <!--控件需要放在最后--> <div class="input-body" ><input type="text" disabled ></div> </div> </div> </div>
.input 可在 .form-inline 内联表单中使用,配合 .input-group 组合更复杂的场景。
<form class="form-inline"> <div class="form-group"> <label class="form-label">Name</label> <input style="width:160px;" type="text" class="form-control" placeholder="Jane Doe"> </div> <div class="form-group"> <label class="form-label">Cash</label> <div style="width:200px" class="input"> <div class="input-prefix"> <span class="valign-middle">¥</span> <span class="valign-sibling"></span> </div> <div class="input-suffix"> <span class="valign-sibling"></span> <span class="valign-middle">元</span> <span class="input-counter">0/20</span> </div> <!--控件需要放在最后--> <div class="input-body"> <input type="text"/> </div> </div> </div> <div class="form-group"> <label class="form-label">Page</label> <div style="width:300px;" class="input-group"> <div class="input-group-prepend"> <div class="input-group-text">http://</div> </div> <div class="input-group-body"> <div class="input"> <div class="input-prefix" ><span class="valign-sibling"></span ><span class="valign-middle">www.</span ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><span class="valign-middle">.com</span ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><span class="input-counter">0/20</span ></div> <!--控件需要放在最后--> <div class="input-body"> <input type="text"/> </div> </div> </div> </div> </div> </form>
.input 支持 .input-lg / .input-sm,.input-group 支持 .input-group-lg / .input-group-sm,还可配合 .form-group-lg / .form-group-sm 实现表单项级别的尺寸控制。
<form class="form-horizontal"> <div class="form-group"> <label class="form-label">input-lg</label> <div class="input input-lg"> <div class="input-prefix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><span class="input-counter">0/111</span ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <!--控件需要放在最后--> <div class="input-body" ><input type="text" ><button type="button" class="control-clear fa"></button ></div> </div> </div> <div class="form-group"> <label class="form-label">input-sm</label> <div class="input input-sm"> <div class="input-prefix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><span class="input-counter">0/111</span ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <!--控件需要放在最后--> <div class="input-body" ><input type="text" ><button type="button" class="control-clear fa"></button ></div> </div> </div> <div class="form-group form-group-lg"> <label class="form-label">form-group-lg</label> <div class="input-group input-group-lg"> <div class="input-group-prepend"> <div class="input-group-text">█</div> </div> <div class="input-group-append"> <div class="input-group-text">元</div> </div> <!--控件需要放在最后--> <div class="input-group-body"> <div class="input"> <div class="input-prefix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><span class="input-counter">0/111</span ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <!--控件需要放在最后--> <div class="input-body" ><input type="text" ><button type="button" class="control-clear fa"></button ></div> </div> </div> </div> </div> <div class="form-group form-group-sm"> <label class="form-label">form-group-sm</label> <div class="input-group input-group-sm"> <div class="input-group-prepend"> <div class="input-group-text">█</div> </div> <div class="input-group-append"> <div class="input-group-text">元</div> </div> <div class="input-group-body"> <div class="input"> <div class="input-prefix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><span class="input-counter">0/111</span ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <!--控件需要放在最后--> <div class="input-body" ><input type="text" ><button type="button" class="control-clear fa"></button ></div> </div> </div> </div> </div> </form>
.input 可配合 .has-valid / .has-invalid 校验状态,.feedback-icon 和 .control-clear 共存于 .input-body 内。
<form class="form-horizontal"> <div class="form-group has-valid has-feedback-icon"> <label class="form-label">has-valid</label> <div class="input"> <div class="input-prefix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <!--控件需要放在最后--> <div class="input-body" ><input type="text" ><button type="button" class="control-clear fa"></button ><i class="feedback-icon fa"></i ></div> </div> <p class="feedback-text">没有后缀</p> </div> <div class="form-group has-invalid has-feedback-icon"> <label class="form-label">has-invalid</label> <div class="input"> <div class="input-prefix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <!--控件需要放在最后--> <div class="input-body" ><input type="text" ><button type="button" class="control-clear fa"></button ><i class="feedback-icon fa"></i ></div> </div> <p class="feedback-text">没有后缀</p> </div> <div class="form-group has-valid has-feedback-icon"> <label class="form-label">has-valid</label> <div class="input"> <div class="input-prefix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><span class="input-counter">0/111</span ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <!--控件需要放在最后--> <div class="input-body" ><input type="text" ><button type="button" class="control-clear fa"></button ><i class="feedback-icon fa"></i ></div> </div> <p class="feedback-text">有后缀</p> </div> <div class="form-group has-invalid has-feedback-icon"> <label class="form-label">has-invalid</label> <div class="input"> <div class="input-prefix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><span class="input-counter">0/111</span ></div> <div class="input-suffix" ><span class="valign-sibling"></span ><i class="icon fa"></i ></div> <!--控件需要放在最后--> <div class="input-body" ><input type="text" ><button type="button" class="control-clear fa"></button ><i class="feedback-icon fa"></i ></div> </div> <p class="feedback-text">有后缀</p> </div> </form>