2016-04-22 115 views
0

我做了一個動態的表格/表格,我無法正確計算新添加的行。jQuery動態表格計算

所有的靜態部分都很好,但是當我添加一個新行時,行的ID和類與函數不匹配......新添加的行根本不計算在內。 有人可以幫忙嗎?

<div> 
<h2>Offer</h2> 
<form> 
<table id="t1"> 
    <tr> 
    <th><button type="button" class="addRow">Add</button></th> 
    <th>Quantity</th> 
    <th>Price per hour</th> 
    <th>Hours</th> 
    <th>Total</th> 
    </tr> 
    <tr> 
    <td><select name="personal"><optgroup label="Personal"><option value="k&ouml;che">K&ouml;che</option><option value="barkeeper">Barkeeper</option><option value="garderobiere">Garderobiere</option><option value="chauffeure">Chauffeure</option><option value="oberkellner">Oberkellner</option><option value="serviceleitung">Serviceleitung</option><option value="hilfskoch">Hilfskoch</option><option value="servicekr&auml;fte">Servicekr&auml;fte</option></optgroup></select></td> 
    <td><input name="anzahl" class="amount" value="" /></td> 
    <td><input name="preisps" class="amount" value="" /></td> 
    <td><input name="stunden" class="amount" value="" /></td> 
    <td><input name="total" class="total" id="total1" value="" readonly="readonly" /></td> 
    </tr> 
</table> 

<br /> 

<table id="t2"> 
    <tr> 
    <td>Netto =<br></td> 
    <td><input id="netto" readonly="readonly" name="netto" type="text" value=""></td> 
    </tr> 
    <tr> 
    <td>Steuer 19% =<br></td> 
    <td><input id="steuer" readonly="readonly" name="steuer" type="text" value=""></td> 
    </tr> 
    <tr> 
    <td>Brutto =<br></td> 
    <td><input id="brutto" readonly="readonly" name="brutto" type="text" value=""></td> 
    </tr> 
</table> 
    <br> 
    <input type="submit" value="Submit"> 
    <input type="reset" value="Reset"> 
    </form> 
</div> 


<script> 
// main function when page is opened 
$(document).ready(function() { 

     // function for adding a new row 
     var r=1; 
     $('.addRow').click(function(){ 
      r++; 
      $('#t1').append('<tr id="row'+r+'"><td><select name="personal"><optgroup label="Personal"><option value="k&ouml;che">K&ouml;che</option><option value="barkeeper">Barkeeper</option><option value="garderobiere">Garderobiere</option><option value="chauffeure">Chauffeure</option><option value="oberkellner">Oberkellner</option><option value="serviceleitung">Serviceleitung</option><option value="hilfskoch">Hilfskoch</option><option value="servicekr&auml;fte">Servicekr&auml;fte</option></optgroup></select></td><td><input class="amount" value="" /></td><td><input class="amount" value="" /></td><td><input class="amount" value="" /></td><td><input class="total" value="" readonly="readonly" /></td><td><button type="button" name="remove" id="'+r+'" class="btn_remove">X</button></td></tr>'); 
     }); 
     // remove row when X is clicked  
     $(document).on('click', '.btn_remove', function(){ 
      var button_id = $(this).attr("id"); 
      $('#row'+button_id+'').remove(); 
     }); 
     // calculate everything 
     $(document).on("keyup", ".amount", calcAll);  
}); 


// function for calculating everything 
function calcAll() { 
     // calculate total for one row 
     var product = 1; 
     $(".amount").each(function() { 
      if (!isNaN(this.value) && this.value.length != 0) { 
      product *= parseFloat(this.value); 
      } 
      $("#total1").val(product.toFixed(2)); 
     }); 

     // sum all totals 
     var sum = 0; 
     $(".total").each(function() { 
      if (!isNaN(this.value) && this.value.length != 0) { 
       sum += parseFloat(this.value); 
      } 
     }); 
     // show values in netto, steuer, brutto fields 
     $("#netto").val(sum.toFixed(2)); 
     $("#steuer").val(sum.toFixed(2) * 0.19); 
     $("#brutto").val(parseFloat(sum.toFixed(2)) + parseFloat(($("#steuer").val()))); 
} 
</script> 

這裏是我的源代碼:

http://jsfiddle.net/p2Hbm/86/

+0

準確的問題在哪裏?我添加了數字和行,它似乎工作正常 –

+0

嘗試添加一個新行(單擊按鈕添加),然後寫入新行的值。它不會像它應該那樣工作。它將所有內容寫入第一行的最後一列。 :( – lewis4u

+0

http://jsfiddle.net/p2Hbm/97/這是最後一個版本,現在它的工作原理...非常感謝@MK Wierzba – lewis4u

回答

1

我做了你如何能做到這一點上的jsfiddle一個例子: https://jsfiddle.net/gtcazp7s/

// main function when page is opened 
    $(document).ready(function() { 

     // function for adding a new row 
     var r = 1; 
     $('.addRow').click(function() { 
      r++; 
      $('#t1').append('<tr id="row' + r + '" class="item"><td><select name="personal"><optgroup label="Personal"><option value="k&ouml;che">K&ouml;che</option><option value="barkeeper">Barkeeper</option><option value="garderobiere">Garderobiere</option><option value="chauffeure">Chauffeure</option><option value="oberkellner">Oberkellner</option><option value="serviceleitung">Serviceleitung</option><option value="hilfskoch">Hilfskoch</option><option value="servicekr&auml;fte">Servicekr&auml;fte</option></optgroup></select></td><td><input class="qnty amount" value="" /></td><td><input class="price amount" value="" /></td><td><input class="hours amount" value="" /></td><td><input class="total" value="" readonly="readonly" /></td><td><button type="button" name="remove" id="' + r + '" class="btn_remove">X</button></td></tr>'); 
     }); 
     // remove row when X is clicked 
     $(document).on('click', '.btn_remove', function() { 
      var button_id = $(this).attr("id"); 
      $('#row' + button_id + '').remove(); 
     }); 
     // calculate everything 
     $(document).on("keyup", ".amount", calcAll); 
     //$(".amount").on("change", calcAll); 
    }); 

    // function for calculating everything 
    function calcAll() { 
     // calculate total for one row 

     $(".item").each(function() { 
      var qnty = 1; 
      var price = 1; 
      var hours = 1; 
      var total = 1; 
      if (!isNaN(parseFloat($(this).find(".qnty").val()))) { 
       qnty = parseFloat($(this).find(".qnty").val()); 
      } 
      if (!isNaN(parseFloat($(this).find(".price").val()))) { 
       price = parseFloat($(this).find(".price").val()); 
      } 
      if (!isNaN(parseFloat($(this).find(".hours").val()))) { 
       hours = parseFloat($(this).find(".hours").val()); 
      } 
      total = qnty * price * hours; 
      $(this).find(".total").val(total.toFixed(2)); 
     }); 

     //$(".amount").each(function() { 

     // if (!isNaN(this.value) && this.value.length != 0) { 
     //  product *= parseFloat(this.value); 
     // } 
     // $("#total1").val(product.toFixed(2)); 
     // if (!isNaN($(this).find(".qnty"))) { 

     // } 
     //}); 

     // sum all totals 
     var sum = 0; 
     $(".total").each(function() { 
      if (!isNaN(this.value) && this.value.length != 0) { 
       sum += parseFloat(this.value); 
      } 
     }); 
     // show values in netto, steuer, brutto fields 
     // show values in netto, steuer, brutto fields 
     $("#netto").val(sum.toFixed(2)); 
     $("#steuer").val(parseFloat(sum * 0.19).toFixed(2)); 
     $("#brutto").val(parseFloat(sum.toFixed(2) + parseFloat(($("#steuer").val()))).toFixed(2)); 
    } 

這裏的HTML部分:

<div> 
    <h2>Offer</h2> 
    <form> 
     <table id="t1"> 
      <tr> 
       <th><button type="button" class="addRow">Add</button></th> 
       <th>Quantity</th> 
       <th>Price per hour</th> 
       <th>Hours</th> 
       <th>Total</th> 
      </tr> 
      <tr class="item"> 
       <td><select name="personal"><optgroup label="Personal"><option value="k&ouml;che">K&ouml;che</option><option value="barkeeper">Barkeeper</option><option value="garderobiere">Garderobiere</option><option value="chauffeure">Chauffeure</option><option value="oberkellner">Oberkellner</option><option value="serviceleitung">Serviceleitung</option><option value="hilfskoch">Hilfskoch</option><option value="servicekr&auml;fte">Servicekr&auml;fte</option></optgroup></select></td> 
       <td><input name="anzahl" class="qnty amount" value="" /></td> 
       <td><input name="preisps" class="price amount" value="" /></td> 
       <td><input name="stunden" class="hours amount" value="" /></td> 
       <td><input name="total" class="total" id="total1" value="" readonly="readonly" /></td> 
      </tr> 
     </table> 

     <br /> 

     <table id="t2"> 
      <tr> 
       <td>Netto =<br></td> 
       <td><input id="netto" readonly="readonly" name="netto" type="text" value=""></td> 
      </tr> 
      <tr> 
       <td>Steuer 19% =<br></td> 
       <td><input id="steuer" readonly="readonly" name="steuer" type="text" value=""></td> 
      </tr> 
      <tr> 
       <td>Brutto =<br></td> 
       <td><input id="brutto" readonly="readonly" name="brutto" type="text" value=""></td> 
      </tr> 
     </table> 
     <br> 
     <input type="submit" value="Submit"> 
     <input type="reset" value="Reset"> 
    </form> 
</div> 
+0

這是完美的工作.....我現在學到了很多東西!謝謝!這可以用於任何事情....只需要更改標籤,它的工作原理...這裏是最終版本,我剛刪除舊代碼:http://jsfiddle.net/p2Hbm/90/ – lewis4u

+0

歡迎您!=) –

+0

還有一件事......如果在你鍵入任何值之前添加了一行,那麼當你開始輸入數字時,不會舍入到小數點後2位....我不' t知道在哪裏可以改變那 – lewis4u