如果选中一个或另一个选项，则需要多个字段 jQuery Validate答案

【问题标题】：Make multiple fields required if one option or another is checked jQuery Validate如果选中一个或另一个选项，则需要多个字段 jQuery Validate
【发布时间】：2013-05-02 19:41:09
【问题描述】：

在我的表单中，新字段的出现取决于需要哪个单选按钮选项。我只想在需要相应的单选按钮时验证这些字段。

如果选择了第一个选项，则需要地址、城市、州和邮政编码。如果选择第二个选项，则只需要日期如果选择了第 3 个选项，则上述所有字段都是必需的。

我已经在此处发布了到目前为止的内容：http://jsfiddle.net/aEgk8/1/

我想做的是找出一种方法来编写一个规则，如果一个选项或另一个被选中，则需要一个字段。类似的东西

  address: {
   required: "#ship-address:checked or #ship-both:checked"
  },
  city: {
   required: "#ship-address:checked or #ship-both:checked"
  }

我还需要更新选择的规则，因此只有在选中其中一个选项时才需要它们。我怎样才能做到这一点？这是我第一次尝试实现这样的东西，所以我愿意接受建议。

我正在使用 1.3.2 库（我无法更改或删除）的网站上实现此功能，并且字段上的显示/隐藏将无法使用，因此我必须运行更新的库在平行下。当我只引用 jQuery 1.3.2 时，我的显示/隐藏功能不起作用。

这是我的代码：

            <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>
            <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>       
            <script src="http://jzaefferer.github.com/jquery-validation/jquery.validate.js" type="text/javascript"></script>
            <script type="text/javascript">
            jQuery.validator.setDefaults({
            debug: true,
            success: "valid"
        });
            </script>                
            <script>var $j = jQuery.noConflict(true);</script>                
            <script type="text/javascript">
            $j(document).ready(function() {
                $j.validator.addMethod("valueNotEquals", function(value, element, arg){
                  return arg != value;
                 }, "Please select a new shipping date.");
                 $j('#pancettaForm').change(function () {
                           $j('#address,#address2,#new-ship-date').hide();
                           if ($j('#ship-address').prop('checked')) {
                              $j('#address, #address2').show();
                           }
                           else if ($j('#ship-date').prop('checked')) {
                              $j('#new-ship-date').show();
                           }
                           else if ($j('#ship-both').prop('checked')) {
                              $j('#address, #address2, #new-ship-date').show();
                           }
                        });
                        $j( "#pancettaForm" ).validate({
                               rules: {
                                       address: {
                                               required: "#ship-address:checked"
                                       },
                                       newShip: {
                                               valueNotEquals: "- Select -"
                                       }
                               },
                               messages: {
                                       updateShip: {
                                               required: "Please tell us how you would like to update your order."
                                       },
                                       SelectName: {
                                               valueNotEquals: "Please select a new shipping date."
                                       }
                               }
                       });

            });


            </script>

和 HTML：

        <form name="pancettaForm" method="post" action="http://lizlantz.com/lcform.php" id="pancettaForm">
                <input type="hidden" value="Pancetta Order Update" name="subject"> 
                <input type="hidden" value="cookware/partners_10151_-1_20002" name="redirect">
                <ul>
                    <li>
                    <label for="updateShip">I'd like to:</label> 
                        <input id="ship-address" name="updateShip" type="radio" value="update-ship-address" class="required"/> Have pancetta shipped to a different address than my skillet<br />
                        <input id="ship-date" name="updateShip" type="radio" value="update-ship-date" class="required" /> Have pancetta shipped sooner than June 14, 2013 <br />
                        <input id="ship-both" name="updateShip" type="radio" value="update-both"  class="required"/> Make changes to both the shipping address and shipping date
                    </li>
                    <li>                
                    <label for="order-number"><em>*</em>Order Number (available in order confirmation email):</label> 
                        <input type="text" name="order-number" class="required">
                    </li>             
                    <li>                
                    <label for="full-name"><em>*</em>Recipient Full Name:</label> 
                        <input type="text" name="full-name" class="required">
                    </li>   
                    <li id="address" style="display: none;">
                        <label for="address">
                            <em>*</em>Address
                        </label> 
                        <input type="text" name="address">
                        <label for="address2">
                            Address Line 2
                        </label> 
                        <input type="text" name="address2">
                    </li>
                    <li id="address2" style="display: none;">
                        <label for="city">
                            <em>*</em>City
                        </label> 
                        <input type="text" name="city">
                        <label for="state">
                            <em>*</em>State
                        </label> 
                        <select name="state">
                            <option>- Select State -</option>                            
                            <option value="AL">Alabama</option>
                            <option value="AK">Alaska</option>
                            <option value="AZ">Arizona</option>
                            <option value="AR">Arkansas</option>
                            <option value="CA">California</option>
                            <option value="CO">Colorado</option>
                            <option value="CT">Connecticut</option>
                            <option value="DE">Delaware</option>
                            <option value="DC">District of Columbia</option>
                            <option value="FL">Florida</option>
                            <option value="GA">Georgia</option>
                            <option value="HI">Hawaii</option>
                            <option value="ID">Idaho</option>
                            <option value="IL">Illinois</option>
                            <option value="IN">Indiana</option>
                            <option value="IA">Iowa</option>
                            <option value="KS">Kansas</option>
                            <option value="KY">Kentucky</option>
                            <option value="LA">Louisiana</option>
                            <option value="ME">Maine</option>
                            <option value="MD">Maryland</option>
                            <option value="MA">Massachusetts</option>
                            <option value="MI">Michigan</option>
                            <option value="MN">Minnesota</option>
                            <option value="MS">Mississippi</option>
                            <option value="MO">Missouri</option>
                            <option value="MT">Montana</option>
                            <option value="NE">Nebraska</option>
                            <option value="NV">Nevada</option>
                            <option value="NH">New Hampshire</option>
                            <option value="NJ">New Jersey</option>
                            <option value="NM">New Mexico</option>
                            <option value="NY">New York</option>
                            <option value="NC">North Carolina</option>
                            <option value="ND">North Dakota</option>
                            <option value="OH">Ohio</option>
                            <option value="OK">Oklahoma</option>
                            <option value="OR">Oregon</option>
                            <option value="PA">Pennsylvania</option>
                            <option value="RI">Rhode Island</option>
                            <option value="SC">South Carolina</option>
                            <option value="SD">South Dakota</option>
                            <option value="TN">Tennessee</option>
                            <option value="TX">Texas</option>
                            <option value="UT">Utah</option>
                            <option value="VT">Vermont</option>
                            <option value="VA">Virginia</option>
                            <option value="WA">Washington</option>
                            <option value="WV">West Virginia</option>
                            <option value="WI">Wisconsin</option>
                            <option value="WY">Wyoming</option>
                        </select>
                        <label for="zip">
                            <em>*</em>Zip Code
                        </label> 
                        <input type="text" name="zip">
                    </li>
                    <li id="new-ship-date" style="display: none;">
                        <label for="New Ship Date"><em>*</em>New Ship Date (Saturday-Tuesday delivery not available):</label>                 
                        <select name="newShip" id="newShip">
                            <option>- Select -</option>
                            <option value="Wednesday, May 22">Wednesday, May 22</option>
                            <option value="Thursday, May 23">Thursday, May 23</option>
                            <option value="Friday, May 24">Friday, May 24</option>
                            <option value="Wednesday, May 29">Wednesday, May 29</option>
                            <option value="Thursday, May 30">Thursday, May 30</option>
                            <option value="Friday, May 31">Friday, May 31</option>
                            <option value="Wednesday, June 5">Wednesday, June 5</option>
                            <option value="Thursday, June 6">Thursday, June 6</option>
                            <option value="Friday, June 8">Friday, June 8</option>
                            <option value="Wednesday, June 12">Wednesday, June 12</option>
                            <option value="Thursday, June 13">Thursday, June 13</option>
                            <option value="Friday, June 14">Friday, June 14 </option>
                            <option value="Wednesday, June 19">Wednesday, June 19</option>
                            <option value="Thursday, June 20">Thursday, June 20</option>
                            <option value="Friday, June 21">Friday, June 21</option>
                        </select>                            
                    </li>                       
                    <li>
                        <label for="phone">
                            <em>*</em>Phone (for delivery questions)
                        </label> 
                        <input type="text" name="phone" class="required">
                    </li>               
                </ul>
                       <input type="submit" id="button" name="submit"  value="Update Pancetta">

              </form>

【问题讨论】：

标签： jquery forms jquery-validate validation

【解决方案1】：

address: {
  required: {
    depends: function(element) {
      return $('#ship-address').is(':checked') || $('#ship-both').is(':checked');
    }
  }
},
city: {
  required: {
    depends: function(element) {
      return $('#ship-address').is(':checked') || $('#ship-both').is(':checked');
    }
  }
}

http://jsfiddle.net/aEgk8/4/

至于选择，我不确定你指的是哪个，但想法是一样的，基于依赖关系。

【讨论】：

【解决方案2】：

我相信这可能是您正在寻找的选项（尽管我没有在您的 jQuery 版本中测试过）：http://jqueryvalidation.org/category/methods/#example:-makes-details-required-only-if-#other-is-checked

来自 jquery.validation 文档：

示例：只有在选中＃other时才需要进行详细信息。

<html>
<head>
    <meta charset="utf-8">
    <title>Makes details required only if #other is checked.</title>
    <link rel="stylesheet" href="http://jqueryvalidation.org/files/demo/site-demos.css">
</head>
<body>
    <form id="myform">
        <label for="other">Check to make next field required</label>
        <input id="other" type="checkbox">
        <br>
        <input id="details" name="details">
        <br>
        <input type="submit" value="Validate!">
    </form>

    <script src="http://code.jquery.com/jquery-1.11.1.min.js"></script>
    <script src="http://jqueryvalidation.org/files/dist/jquery.validate.min.js"></script>
    <script src="http://jqueryvalidation.org/files/dist/additional-methods.min.js"></script>

    <script>

    // just for the demos, avoids form submit
    jQuery.validator.setDefaults({
        debug: true,
        success: "valid"
    });

    $( "#myform" ).validate({
        rules: {
            details: {
                required: "#other:checked"
            }
        }
    });
    </script>
</body>
</html>

如果您有很多字段，这个解决方案虽然重复，但仍然比使用上面提到的depends 方法更干净。

【讨论】：

【解决方案3】：

我认为添加 , 会有所帮助：

address: {
 required: "#ship-address:checked, #ship-both:checked"
},
city: {
 required: "#ship-address:checked, #ship-both:checked"
}

【讨论】：