AJAX post在服务器端(PHP）是空的

AJAX post is empty on the server side (PHP)

本文关键字：PHP post 服务器端 AJAX      更新时间：2023-09-26

我正在使用jQuery ajax向PHP控制器发出AJAX请求，但是当尝试使用PHP获取发布的数据时，$_POST是空的。下面是实际功能：

function GetSeriesForManufacturer(manuf) {
    selectedmanufacturer = manuf;
    //Make an AJax Call For Getting Series Of Manufacturer
    var series = null;
    $.ajax({
        type: "POST",
        url: url,
        data: "{manufacturer:'" + selectedmanufacturer + "'}",
        contentType: "application/json", //; charset=utf-8",
        dataType: "json",
        cache: false,
        async: false,
        success: function (response) {
            //remove loading gif
            $(".loading").hide();
            //Append Data
            AppendSeries($.parseJSON(response.text), selectedmanufacturer);
            //Custom Scrollbar Call
            $('.MatchingSeries ul').mCustomScrollbar();                        
        },
        error: function (XMLHttpRequest, textStatus, errorThrown) {  }
    });                         
}

提前感谢！

首先，您不需要字符串化数据。只需发送对象文字即可。

data: {manufacturer: selectedmanufacturer},

其次，您不需要此行：

contentType: "application/json",

让 jQuery 为你做编码：

$.ajax({
    type: "POST",
    url: url,
    data: {
       manufacturer: selectedmanufacturer
    },
    contentType: "application/json", //; charset=utf-8",
    dataType: "json",
    cache: false,
    async: false,
    success: function (response) {
        ...
    },
    error: function (XMLHttpRequest, textStatus, errorThrown) {  }});
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