AJAX帖子在服务器端是空的（PHP）

问题描述：

I am making an AJAX request to a PHP controller, by using jQuery ajax, but when trying to get the posted data with PHP the $_POST is empty. Below is the actual function:

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) {  }
    });                         
}

Thanks in advance!

我正在使用jQuery ajax向PHP控制器发出AJAX请求，但在尝试获取发布的数据时使用PHP，$ _POST为空。以下是实际功能： p>

  function GetSeriesForManufacturer（manuf）{
 selectedmanufacturer = manuf; 
 //为获取制造商系列制作一个AJax调用
 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 remove gif 
 $  （“.loading”）。hide（）; 
 //追加数据
 AppendSeries（$。parseJSON（response.text），selectedmanufacturer）; 
 //自定义滚动条调用
 $（'。匹配系列ul'）  .mCustomScrollbar（）; 
}，
错误：函数（XMLHttpRequest，textStatus，errorThrown）{} 
}）; 
} 
  code>  pre> 
 
 谢谢 提前！ p> 
  div>

答

First, you don't need to stringify data. Just send object literal is ok.

data: {manufacturer: selectedmanufacturer},

Second, you don't need this line:

contentType: "application/json",

答

Let jQuery do the encoding for you:

$.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) {  }});

AJAX帖子在服务器端是空的（PHP）

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