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AJAX對PHP文件的調用:返回值為空

[英]AJAX Call to PHP file: return value is empty

我有一個簡單的ajax調用:

function init() {
    $.ajax({
        url: "./myFolder/user.php",
        data: {
            action: "init"
        },
        type: "post",
        success: function (output) {
            console.log("Success");
            console.log("Output: " + output);
        }
    });
}

PHP init方法被調用,只需返回一些json數據:

function init() {
    $arr = array(
        array(
            "region" => "valore",
            "price" => "valore2"
        ),
        array(
            "region" => "valore",
            "price" => "valore2"
        ),
        array(
            "region" => "valore",
            "price" => "valore2"
        )
    );

    return json_encode($arr);
}

但是我的控制台說:

Success
Output:

因此輸出變量為空。 我的json數據在哪里?

user.php頁面上,您需要做:-

function init() {
        $arr = array(
            array(
                "region" => "valore",
                "price" => "valore2"
            ),
            array(
                "region" => "valore",
                "price" => "valore2"
            ),
            array(
                "region" => "valore",
                "price" => "valore2"
            )
        );

        echo  json_encode($arr);
    }

您應該在user.php中包含以下內容:

die(init());

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