单个元素的 Jquery 验证插件错误放置

Question

我正在使用 Jquery 验证插件来验证表单。当验证表单的一个元素对齐不正确时。

如果您看到图像，验证表单时城市字段icon + 按钮对齐不正确。因为标签错误验证显示在输入元素和 icon + 之间。我需要在元素下方显示错误消息。

我的城市字段的html代码是这样的

    <tr>
        <td align="right"><span class="mandetry">*</span> City:</td>
         <td>
       <div class="input-group" id="app_details">
      <input type="text" class="form-control client_city" name="client_city" id="city_name" value="<?php echo set_value('client_city')?>"> 
     <span class="input-group-btn">
     <a class="btn btn-default" id='addnewcity' href="<?php echo base_url('addnewcity')?>"><i class="fa fa-plus-square"></i></a>
     </span>
   <div id="messageBox"></div> <!-- Here i would like to display message-->
    </div> </tr>

js代码是这样的

$(document).ready(function(){
$('#add_client').validate({
    errorClass: 'validation_errors',
    debug: false,
     rules: {
         client_name:{required:true},
         client_address:{required:true},
         client_city:{required:true},
         errorPlacement: function(error, element) {
                if (element.attr("name") == "client_city" )
                {
                    error.appendTo("#messageBox");
                }
            }
     },
     messages: {
         client_name:{required:"The Client name is a required / mandatory field"},
         client_address:{required:"The Client address is a required / mandatory field"},
         client_city:{required:"The City is a required / mandatory field"},

     }

});
     });

messageBox div没有附加错误信息。js中的errorPlacement有什么问题吗？只有 city 元素我需要正确显示错误消息。对于其他表单字段，它不应该改变。我无法解决这个问题。请给我建议。谢谢。

Answer 1

你缺少else部分，如果不是client_city元素那么你需要在

之后插入错误

$(document).ready(function () {
    $('#add_client').validate({
        errorClass: 'validation_errors',
        debug: false,
        rules: {
            client_name: {
                required: true
            },
            client_address: {
                required: true
            },
            client_city: {
                required: true
            }
        },
        errorPlacement: function (error, element) {
            console.log('dd', element.attr("name"))
            if (element.attr("name") == "client_city") {
                error.appendTo("#messageBox");
            } else {
                error.insertAfter(element)
            }
        },
        messages: {
            client_name: {
                required: "The Client name is a required / mandatory field"
            },
            client_address: {
                required: "The Client address is a required / mandatory field"
            },
            client_city: {
                required: "The City is a required / mandatory field"
            },

        }

    });
});

演示：Fiddle