Spring mvc tag question

What is the significance 'label' and 'path' in the spring mvc jsp tag:

form:label path="someName"
开发者_JAVA百科

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label simply defines the text of the field within the page, for example:

<form:select path="dataVisArray"><br />
     <form:option label="Select..." value=""/>
     <form:options items="${dataVisArray} itemLabel="label" itemValue="value"/>
</form:select>

shows a dropdown, where the first element is "Select..." and the rest is defined in ${dataVisArray}

path links to a form backing object where you can save the input. In the example above, there would be a variable called "dataVisArray" within the backing object to save the value of the selected item once the form is submitted.

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The label attribute is for displaying text corresponding to the form element for which we are using the label attribute

<label for="FirstName" >First Name :</label> 

For Path attribute can be also used in validation of form element by jquery

<form:input path="name" id="name" name="name"/>

The path value name then can be used for validation purpose:

$("#ajaxForm").validate({
     rules: {
         name: {
                required:true,
                minlenght:3

            },
      messages: {
            name : {
            required : 'Enter Username',
            maxlength :'Not more than 30 Charachters',
            minlength :'Should be more than 3 characters'
        }, 

Hope this helps.

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In Spring MVC JSP tag lable signifies the value to be displayed as part of the tag and path is used to signify path to property for data binding.

<form:label path="company"> Enter company name: </form:label>