Question

我有一些输入字段 - 字段数将是动态的 - 想要将值连接到其他字段。将C01中的ID连接到N并将其存储在cNum字段中。请帮忙。

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{{1}}

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Answer 1

如果是我，我会给C01 C16一个类似

的附加课程

<input type="text" id="C01" class="cardNum cardVal" value="" maxlength="1"/>
<input type="text" id="C02" class="cardNum cardVal" value="" maxlength="1"/>
.
.
.
<input type="text" id="C16" class="cardNum cardVal" value="" maxlength="1"/>

然后

var finalString = "";
$(".cardVal").each(function(i, txt){
    finalString += txt.val();
});
$("#cNum").val(finalString);

但是如果你不想这样做，你可以做这样的事情

var finalString = "";
$(".cardNum").each(function(i, txt){

    if(txt.attr("id").indexOf("C") >= 0){
        finalString += txt.val();
    }
});
$("#cNum").val(finalString);

Answer 2

试试这个

var concatenatedValue = "";

$( ".cardNum" ).each( function(){

  var id  = $( this ).attr( "id" );
  var number = id.substring(1);
  if ( !isNaN( number  ) )
  {
     concatenatedValue += $( this ).val();
  }

} );
alert( concatenatedValue );

Answer 3

您可以通过简单的方式尝试下面的代码或在jsfiddle上运行解决方案。说明：在键盘上，它将连接以大写＆＃39; C＆＃39;开头的文本框的所有值。并导致它进入＆＃39; cNum＆＃39;文本

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$("input[id^=C]").keyup(function(e) {
  var str = "";
  $("input[id^=C]").each(function(index) {
    str = str + $(this).val()
  });
  
   $("#cNum").val(str);
});

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<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form class="cardForm" style="padding: 10px;" autocomplete="off" novalidate>
  <div class="cardDiv">
    <input type="hidden" id="C00" class="cardNum" value="" maxlength="1" />
    <input type="text" id="C01" class="cardNum" value="" maxlength="1" autofocus/>
    <input type="text" id="C02" class="cardNum" value="" maxlength="1" />
    <input type="text" id="C03" class="cardNum" value="" maxlength="1" />
    <input type="text" id="C04" class="cardNum" value="" maxlength="1" />&nbsp;&nbsp;
    <input type="text" id="C05" class="cardNum" value="" maxlength="1" />
    <input type="text" id="C06" class="cardNum" value="" maxlength="1" />
    <input type="text" id="C07" class="cardNum" value="" maxlength="1" />
    <input type="text" id="C08" class="cardNum" value="" maxlength="1" />&nbsp;&nbsp;
    <input type="text" id="C09" class="cardNum" value="" maxlength="1" />
    <input type="text" id="C10" class="cardNum" value="" maxlength="1" />
    <input type="text" id="C11" class="cardNum" value="" maxlength="1" />
    <input type="text" id="C12" class="cardNum" value="" maxlength="1" />&nbsp;&nbsp;
    <input type="text" id="C13" class="cardNum" value="" maxlength="1" />
    <input type="text" id="C14" class="cardNum" value="" maxlength="1" />
    <input type="text" id="C15" class="cardNum" value="" maxlength="1" />
    <input type="text" id="C16" class="cardNum" value="" maxlength="1" />
  </div>
  <div>
    <input type="text" id="cNum" class="cardNum" value="" maxlength="1" />
    <input type="text" id="cStatus" class="cardNum" value="" maxlength="1" />
  </div>
  <button class="cardReset btn-link" type="reset" value="Reset"><u>Reset</u></button>
</form>

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Answer 4

您可以收听课程＆＃34; cardNum＆＃34;的keyup事件并在div＆＃34; cardDiv＆＃34;下连接所有输入。并设置为输入框。

这是工作示例。

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$(".cardNum").keyup(function() {
  var str = "";
  $(".cardDiv .cardNum").each(function(){
    str += $(this).val();
  });
  $("#cNum").val(str);
});

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<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<form class="cardForm" style="padding: 10px;"autocomplete="off" novalidate>
<div class="cardDiv">
<input type="hidden" id="C00" class="cardNum" value="" maxlength="1"  />
<input type="text" id="C01" class="cardNum" value="" maxlength="1" autofocus/>
<input type="text" id="C02" class="cardNum" value="" maxlength="1"/>
<input type="text" id="C03" class="cardNum" value="" maxlength="1"/>
<input type="text" id="C04" class="cardNum" value="" maxlength="1"/>&nbsp;&nbsp;
<input type="text" id="C05" class="cardNum" value="" maxlength="1"/>
<input type="text" id="C06" class="cardNum" value="" maxlength="1"/>
<input type="text" id="C07" class="cardNum" value="" maxlength="1"/>
<input type="text" id="C08" class="cardNum" value="" maxlength="1"/>&nbsp;&nbsp;
<input type="text" id="C09" class="cardNum" value="" maxlength="1"/>
<input type="text" id="C10" class="cardNum" value="" maxlength="1"/>
<input type="text" id="C11" class="cardNum" value="" maxlength="1"/>
<input type="text" id="C12" class="cardNum" value="" maxlength="1"/>&nbsp;&nbsp;
<input type="text" id="C13" class="cardNum" value="" maxlength="1"/>
<input type="text" id="C14" class="cardNum" value="" maxlength="1"/>
<input type="text" id="C15" class="cardNum" value="" maxlength="1"/>
<input type="text" id="C16" class="cardNum" value="" maxlength="1"/>
</div>
<div>
<input type="text" id="cNum" class="cardNum" value="" maxlength="1"/>
<input type="text" id="cStatus" class="cardNum" value="" maxlength="1"/>
</div>
<button class="cardReset btn-link" type="reset" value="Reset"><u>Reset</u></button>
</form>

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JQuery / JavaScript连接每个键的输入值

4 个答案: