居中 div 列内 bootstrap

Question

我正在尝试将表单置于 bootstrap 的列中。是否有可能，因为我搜索了一个多小时但仍然一无所获。我是 bootstrap...

的新手

我的代码：

<div class="container-fluid">

    <!--Row with two equal columns-->

    <div class="row">

        <div class="col-sm-8">

        <form class="form-inline row" role="form" action="index.php" method="post">

                <input class="form-control" type="text" name="kerkim" id="input_main" value="">

                <i id="slash">|</i>

                <div class="input-group">

                <input id="address" class="form-control" type="text" >
                <div class="input-group-btn">
                <button type="text" class="btn btn-warning"><i>Me gjej</i></button>
                </div>
                </div>
                    <button type="submit" class="btn btn-warning"><i class="glyphicon glyphicon-search"></i></button>

            </form>
        </div>

        <div class="col-sm-2"><h3>Second left</h3></div>
        <div class="col-sm-2"><h3>Second right</h3></div>

Answer 1

加一个class组成"center_form"

    <form class="form-inline row center_form" role="form" action="index.php" method="post">

并在下面添加 css

    .center_form{margin:0 auto;}

Answer 2

您可以使用 col-md-offset-4

形式的偏移值

<form class="form-inline row col-md-offset-4" method="post" action="index.php" role="form">

有关详细信息，请参阅 LINK

Answer 3

您需要从表单元素中删除 class 行，因为它不包含任何列。接下来，您需要使用 css 将表单居中。试试这个：

HTML

<div class="container-fluid">

    <!--Row with two equal columns-->

    <div class="row">

        <div class="col-sm-8">

        <form class="form-inline centered" role="form" action="index.php" method="post">

                <input class="form-control" type="text" name="kerkim" id="input_main" value="">

                <i id="slash">|</i>

                <div class="input-group">

                <input id="address" class="form-control" type="text" >
                <div class="input-group-btn">
                <button type="text" class="btn btn-warning"><i>Me gjej</i></button>
                </div>
                </div>
                    <button type="submit" class="btn btn-warning"><i class="glyphicon glyphicon-search"></i></button>

            </form>
        </div>

        <div class="col-sm-2"><h3>Second left</h3></div>
        <div class="col-sm-2"><h3>Second right</h3></div>
    </div>
</div>

CSS

.centered {
    margin: auto;
}

或者，您可以使用此 html 布局来实现居中形式：

<div class="container-fluid">

    <!--Row with two equal columns-->

    <div class="row">

        <div class="col-sm-8">
        <div class="row">
        <form class="form-inline centered col-sm-8 col-sm-offset-2" role="form" action="index.php" method="post">

                <input class="form-control" type="text" name="kerkim" id="input_main" value="">

                <i id="slash">|</i>

                <div class="input-group">

                <input id="address" class="form-control" type="text" >
                <div class="input-group-btn">
                <button type="text" class="btn btn-warning"><i>Me gjej</i></button>
                </div>
                </div>
                    <button type="submit" class="btn btn-warning"><i class="glyphicon glyphicon-search"></i></button>

            </form>
        </div>

        <div class="col-sm-2"><h3>Second left</h3></div>
        <div class="col-sm-2"><h3>Second right</h3></div>
        </div>
    </div>
</div>

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