How to map an object to form fields?

I have an object like this:

var settings = {
    Name: "Fairy Tail",
    Feature:
    {
        Translate: true,
        Share: true
    }
}

And a form

<form>
    <input type="text" name="Name" />
    <input type="ch开发者_如何学Goeckbox" name="Feature.Translate" />
    <input type="checkbox" name="Feature.Share" />
</form>

How can I make the object fill the form "automatically" (without setting the value of each field by hand)?

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You can do it this way (jsfiddle for a more sophisticated example), assuming you have settings variable set first:

var assignValue = function(n, v){
    var field = jQuery('form input[name="'+n+'"]');
    if (field.attr('type')=='text'){
        field.val(v);
    } else if (field.attr('type')=='checkbox') {
        field.prop('checked',v);
    }
}

var assignSettings = function(list, prefix){
    if (typeof prefix != 'undefined'){
        prefix += '.';
    }else{
        prefix = '';
    }
    for (item in list){
        if ((typeof list[item]=='string')||(typeof list[item]=='boolean')){
            assignValue(prefix+item,list[item]);
        }else if(typeof list[item]=='object'){
            var n1 = item;
            assignSettings(list[n1],prefix+n1);
        }
    }
}

assignSettings(settings);

And this solution is not as limited as other solutions in the versions I have seen so far - it supports the case you have given and can be easily expanded to support different types of fields and more levels.

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var inputs = $('form input[type="checkbox"]');

$.each(settings.Feature, function(key, val) {
    inputs.filter('[name="Feature.' + key + '"]')[0].checked = val;
});

Example: http://jsfiddle.net/9z928/

---

If you also wanted the text field filled in:

var inputs = $('form input');

inputs.first().val( settings.Name );

$.each(settings.Feature, function(key, val) {
    inputs.filter('[name="Feature.' + key + '"]')[0].checked = val;
});

Example: http://jsfiddle.net/9z928/1/

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Might be worth giving this a try: http://www.keyframesandcode.com/resources/javascript/jQuery/demos/populate-demo.html

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You can use this JavaScript library for mapping Obeject to form fields name and vice versa. Object-Form-Mapping