[英]Unable to retrieve JSON value from PHP and Javascript
我在下面有以下 JSON,我想解析並獲取TotalRows
的值。 但是,在我的 PHP 和 JavaScript 中,當我嘗試訪問它時它返回錯誤或未定義,我不知道為什么。
對於 JavaScript:
var data = <?php echo json_encode($customers); ?>;
console.log(data.TotalRows)
我什至放置了console.log(data)
它給了我我發布的 JSON 然后我做了console.log(data[0].TotalRows)
它給了我未定義。
我的 PHP 代碼是, $customers
返回下面的 JSON:
$customers = $customerDB->findCustomer(5, 1);
$arr = json_decode($customers, true);
echo $arr["TotalRows"];
[
{
"TotalRows":91,
"Rows":[
{
"CompanyName":"Ana Trujillo Emparedados y helados",
"ContactName":"Ana Trujillo",
"ContactTitle":"Owner",
"City":"M\u00e9xico D.F.",
"Country":"Mexico"
},
{
"CompanyName":"Antonio Moreno Taquer\u00eda",
"ContactName":"Antonio Moreno",
"ContactTitle":"Owner",
"City":"M\u00e9xico D.F.",
"Country":"Mexico"
},
{
"CompanyName":"Around the Horn",
"ContactName":"Thomas Hardy",
"ContactTitle":"Sales Representative",
"City":"London",
"Country":"UK"
},
{
"CompanyName":"Berglunds snabbk\u00f6p",
"ContactName":"Christina Berglund",
"ContactTitle":"Order Administrator",
"City":"Lule\u00e5",
"Country":"Sweden"
},
{
"CompanyName":"Blauer See Delikatessen",
"ContactName":"Hanna Moos",
"ContactTitle":"Sales Representative",
"City":"Mannheim",
"Country":"Germany"
}
]
}
]
它是一個對象數組,因此您將獲得 TotalRows
console.log(data[0].TotalRows);
其實,我想通了。 以下工作:
var data = <?php echo json_encode($customers); ?>;
var data = JSON.parse(data);
console.log(data[0].TotalRows);
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