[英]table json data returning undefined using jQuery
嗨,我很困惑為什么表中的數據未定義返回。 我想我接近了。 請查看我的jsfiddle:
$(document).ready(function() {
$.getJSON( "http://www.corsproxy.com/dvl.thomascooper.com/data/json_return.json", function( data ) {
//static table head
$('table.stats').append("<th>" + "</th>" + "<th>" + "Date" + "</th>" + "<th>" + "Brand" + "</th>" + "<th>" + "Author" + "</th>" + "<th>" + "Title" + "</th>" + "<th>" + "Posts" + "</th>" + "<th>" + "Exposure" + "</th>" + "<th>" + "Engagement" + "</th>");
//loop through json data
$.each(data.data.rows,function( i, val ){
//+1 to number each row starting at 1
var rowNum = i + 1;
//create table rows and cell and populate with data
$('table.stats').append( "<tr>" + "<td>" + rowNum + "</td>" + "<td>" + val.date + "</td>" +"<td>" + val.brand_id + "</td>" + "<td>" + val.author + "</td>" + "<td>" + val.title + "</td>" + "<td>" + val.posts + "</td>" + "<td>" + val.reach + "</td>" + "<td>" + val.interaction + "</td>" + "</tr>");
});
});
});
$.each(data.data.rows,function( i, val ) {
在這里,val不是對象(您的數據告訴我)
因此,您無法訪問未定義的屬性,如下所示: val.date
我想,這是您想要的:
$(document).ready(function() {
$.getJSON( "http://www.corsproxy.com/dvl.thomascooper.com/data/json_return.json", function( data ) {
//static table head
$('table.stats').append("<th>" + "</th>" + "<th>" + "Date" + "</th>" + "<th>" + "Brand" + "</th>" + "<th>" + "Author" + "</th>" + "<th>" + "Title" + "</th>" + "<th>" + "Posts" + "</th>" + "<th>" + "Exposure" + "</th>" + "<th>" + "Engagement" + "</th>");
//loop through json data
$.each(data.data.rows,function( i, val ){
//+1 to number each row starting at 1
var rowNum = i + 1;
//create table rows and cell and populate with data
$('table.stats').append( "<tr>" + "<td>" + rowNum + "</td>" + "<td>" + val[0].value + "</td>" +"<td>" + val[1].value + "</td>" + "<td>" + val[2] + "</td>" + "<td>" + val[3].label + "</td>" + "<td>" + val[4].values[0] + "</td>" + "<td>" + val[5].values[0] + "</td>" + "<td>" + val[6].values[0] + "</td>" + "</tr>");
});
});
});
您正在嘗試引用數據,就好像它們是:行:[{日期:”,brand_id:”,作者:,等等},下一組字段]
您實際上得到的是:
行:[[具有字段數據的對象,具有字段數據的對象,等等],另一組字段數據對象,等等]
這是一個腳本的開始,該腳本將靈活地返回內容。 我遺漏了許多您需要處理的情況:
//loop through json data
$.each(data.data.rows,function( i, val ){
//+1 to number each row starting at 1
var rowNum = i + 1, fields = {};
// Find fields
$.each(val, function(j, fieldData) {
if(typeof fieldData == 'string') {
fields.author = fieldData;
} else if(fieldData.field == 'title') {
fields.title = fieldData.label;
} else {
fields[fieldData.field] = fieldData.value;
}
});
//create table rows and cell and populate with data
$('table.stats').append( "<tr>" + "<td>" + rowNum + "</td>" + "<td>" + fields.date + "</td>" +"<td>" + fields.brand_id + "</td>" + "<td>" + fields.author + "</td>" + "<td>" + fields.title + "</td>" + "<td>" + fields.posts + "</td>" + "<td>" + fields.reach + "</td>" + "<td>" + fields.interaction + "</td>" + "</tr>");
});
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