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[英]How to create dynamic form inputs using javascript based on a database array
[英]How to create a JSON based on HTML inputs in JavaScript?
我在基於多個html表單輸入創建多維json時遇到了一些麻煩:
html輸入:
<div class="form-group-attached m-b-10">
<div class="form-group form-group-default input-group required">
<div class="form-input-group">
<label for="title">title</label>
<input type="text" name="title" value="some title" class="form-control">
</div>
</div>
</div>
<div class="form-group-attached m-b-10">
<div class="form-group form-group-default input-group required">
<div class="tile-icon input-group-addon d-flex">
<i class="fa-2x fa-color far fa-image"></i> </div>
<div class="form-input-group">
<label for="image">Image URL</label>
<input type="text" name="image" value="some image url" class="form-control">
</div>
</div>
<div class="form-group form-group-default input-group required">
<div class="tile-icon input-group-addon d-flex">
<i class="fa-2x fa-color far fa-link"></i> </div>
<div class="form-input-group">
<label for="link">Link URL</label>
<input type="text" name="link" value="http://www.google.com" class="form-control">
</div>
</div>
</div>
這是JavaScript代碼:
var frmData = {};
$(':input').each(function(){
frmData[$(this).attr('name')] = $(this).val();
});
alert(JSON.stringify(frmData));
這是我得到的json:
{"title":"some title","image":"some image url","link":"http://www.google.com"}
我需要的是在“標題”之后,我想創建一個數據對象並將其他所有內容添加為“數據”的子級別,如下所示:
{"title":"some title","data":{"image":"some image url","link":"http://www.google.com"}}
任何幫助表示贊賞。
謝謝,
這是我要解決的方法:
var inputToJson = function() { var formData = {}; formData.data = {}; $('input').each(function( index ) { if($( this ).attr('name')=="title") { formData[$( this ).attr('name')] = $( this ).val(); } else { formData["data"][$(this).attr('name')] = $( this ).val(); } }); return formData; } console.log(inputToJson());
<script src="https://code.jquery.com/jquery-3.1.0.js"></script><div class="form-group-attached mb-10"> <div class="form-group form-group-default input-group required"> <div class="form-input-group"> <label for="title">title</label> <input type="text" name="title" value="some title" class="form-control"> </div> </div> </div> <div class="form-group-attached mb-10"> <div class="form-group form-group-default input-group required"> <div class="tile-icon input-group-addon d-flex"> <i class="fa-2x fa-color far fa-image"></i> </div> <div class="form-input-group"> <label for="image">Image URL</label> <input type="text" name="image" value="some image url" class="form-control"> </div> </div> <div class="form-group form-group-default input-group required"> <div class="tile-icon input-group-addon d-flex"> <i class="fa-2x fa-color far fa-link"></i> </div> <div class="form-input-group"> <label for="link">Link URL</label> <input type="text" name="link" value="http://www.google.com" class="form-control"> </div> </div> </div>
重要的是要注意,從表單訪問數據的正確方法是在實際元素上使用.serialize(),但是鑒於特殊的要求,即在自定義“數據”對象內擴展表單的某些部分的特殊要求,這種方法也需要進行其他操作。
下面的代碼提供所需的輸出。 只是經歷一下。
var frmData = {}; var frmDataImageArray = []; var frmDataTitle; var frmDataImage; var frmDataLink; $(':input').each(function(){ if($(this).attr('name')=='image') frmDataImage=$(this).val(); else if($(this).attr('name')=='link') { //Here i assume that link is the last control in this form that's why i put this code here. So that title and image is fetched before entering into this statement frmDataLink=$(this).val(); frmDataImageArray.push({"Image":frmDataImage,"Link":frmDataLink}); //frmData={"title":frmDataTitle,"Data":{"Image":frmDataImage,"Link":frmDataLink}}; } else frmDataTitle=$(this).val(); //frmData[$(this).attr('name')] = $(this).val(); }); frmData={"title":frmDataTitle,"Data":frmDataImageArray}; console.log(JSON.stringify(frmData));
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <div class="form-group-attached mb-10"> <div class="form-group form-group-default input-group required"> <div class="form-input-group"> <label for="title">title</label> <input type="text" name="title" value="some title" class="form-control"> </div> </div> </div> <div class="form-group-attached mb-10"> <div class="form-group form-group-default input-group required"> <div class="tile-icon input-group-addon d-flex"> <i class="fa-2x fa-color far fa-image"></i> </div> <div class="form-input-group"> <label for="image">Image URL</label> <input type="text" name="image" value="some image url" class="form-control"> </div> </div> <div class="form-group form-group-default input-group required"> <div class="tile-icon input-group-addon d-flex"> <i class="fa-2x fa-color far fa-link"></i> </div> <div class="form-input-group"> <label for="link">Link URL</label> <input type="text" name="link" value="http://www.google.com" class="form-control"> </div> </div> </div>
var arr = []; var frmData = {}; var Title; var Image; var Link; $(':input').each(function() { if ($(this).attr('name') == 'image') Image = $(this).val(); else if ($(this).attr('name') == 'link') { Link = $(this).val(); frmData = { "title": Title, "Data": { "Image": Image, "Link": Link } }; arr.push(frmData) } else Title = $(this).val(); }); console.log(JSON.stringify(frmData));//json format console.log(arr);//arr fomat
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <div class="form-group-attached mb-10"> <div class="form-group form-group-default input-group required"> <div class="form-input-group"> <label for="title">title</label> <input type="text" name="title" value="some title" class="form-control"> </div> </div> </div> <div class="form-group-attached mb-10"> <div class="form-group form-group-default input-group required"> <div class="tile-icon input-group-addon d-flex"> <i class="fa-2x fa-color far fa-image"></i> </div> <div class="form-input-group"> <label for="image">Image URL</label> <input type="text" name="image" value="some image url" class="form-control"> </div> </div> <div class="form-group form-group-default input-group required"> <div class="tile-icon input-group-addon d-flex"> <i class="fa-2x fa-color far fa-link"></i> </div> <div class="form-input-group"> <label for="link">Link URL</label> <input type="text" name="link" value="http://www.google.com" class="form-control"> </div> </div> </div> <button id="generateJson">Generate Json</button>
也許解決方案已經在前面的答案中了,但是當我坐在火車上無事可做時,我整理了以下最小解決方案:
var jsn={data:{}};
$('input','form:first').each(function(i,o){
var na=$(o).attr('name');
(na=='title'?jsn:jsn.data)[na]=o.value;
});
這可以進入$(function( ... )}
部分,或者由某些click事件觸發。我目前正在處理頁面上第一個<form>
元素內的所有輸入。您可以根據需要進行更改。
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