1

我必须防止将 Coldfusion 的默认列表分隔符“,”输入到表单输入数组中。我是使用 javascript 进行验证的新手,并且从未尝试过切换某人正在输入的值。我怎样才能抓住逗号,并用 tilda 替换它?

到目前为止我尝试过的Javascript:

    $(document).ready(function(event){
      var regExComma = /,/;
      $("[name='name[]']").live("keypress",function(event){
// i know i could check the numerical value, i feel this requirement can get more added to it and I would like to just change the regEx accordingly.
        if(regExComma.test(String.fromCharCode(event.which)){
//it was a ',' switch it to '~'
         event.which = 126;
        }
      });
// added to show that the 'name' input form array is the only input that cares about the ','
    var regExDig = /[\d]/
    $("[name=min[]],[name=max[]]").live(keypress, function(event){
       if(!regExDig .test(String.fromCharCode(event.which)){
        event.preventDefault();
        $("#cfocFormMessages").trigger("updateMessages", {"url":"components.cfc/CFOC.cfc", "data":{"more":"stuff"}});
       }
    });
            });

cfml / html 涉及:

<form action="components/CatagoryService.cfc?method=saveVersion">
<input id="version" name="version" type="text">
<!--- .. more inputs ..--->
<table id="table">
  <thead><tr><th>name col</th>
  <th>min col</th>
  <th>max col</th>
  <th>edit</th>
</tr></thead>
  <tfoot></tfoot>
  <cfoutput query="variables.query">
  <tr><td><input name="name[]" type="text" value="#variables.query.name#"></td>
   <td><input name="min[]" type="text" value="#variables.query.min#"></td>
   <td><input name="max[]" type="text" value="#variables.query.max#"></td>
   <td><input name="id[]" type="hidden" value="#variables.query.id#">
     <a href="#" class="editLink">edit</a></td>
  </tr>
  </cfoutput>
  <tr><td></td><td></td><td><a href="#" class="addLink">add</a></td></td></tr>
</table>
<input type="Submit"/>
</form>

如果我将 CatagoryService.cfc?method=saveVersion 更改<cfreturn arguments>为 JSON 字符串,则 Coldfusion 的典型响应如下所示:

{VERSION:"",name:"name1,name2",min:"1,3", max:"2,4",id:"1,2"}
4

3 回答 3

3

我将您的 HTML 放在 jsfiddle 上(您可以在那里对其进行测试)并使用匹配所有和元素的选择器添加了这个 JavaScript:

$(document).ready(function(event){
    $(document).delegate("input, textarea", "keyup", function(event){
        if(event.which === 188) {
            var cleanedValue = $(this).val().replace(",","~");
            $(this).val(cleanedValue);
        }
    });
});

如果输入了逗号(代码 188),则值字符串中的所有逗号都将替换为波浪号。

请记住,您不需要依赖 JavaScript 验证。逗号可以很容易地发送到服务器或永远不会被替换,例如在禁用 JavaScript 的用户代理中。

于 2011-03-10T22:30:04.630 回答
1

我将 name[] .live() 替换 event.which = 126;event.originalEvent.keyCode=126;

var regExComma = /,/;
$("[name='name[]']").live("keypress",function(event){
     if(regExComma.test(String.fromCharCode(event.which)){
       //this line works as expected. and will swap out the value on keypress.
       if(event.originalEvent.keyCode){
         event.originalEvent.keyCode=126;
       }else if(event.originalEvent.charCode){
         event.originalEvent.charCode=126;
       }
     }
});

wolfram 我也升级了您的 keyUp 解决方案。

于 2011-03-10T23:03:20.923 回答
0

恕我直言,无需检查这些键码:

 $(document).ready(function(event){
    $('#fieldName').keyup(function(event) {
        var cleanedValue = $(this).val().replace(",","~");
        $(this).val(cleanedValue);
    });
});

在jsFiddle上检查它。

于 2013-08-22T13:55:09.547 回答