Jquery Ajax POST请求失败

Jquery Ajax POST request failing

本文关键字:失败 请求 POST Ajax Jquery      更新时间:2023-09-26

有人能告诉我为什么这个请求不执行成功代码吗?

$(document).ready(function(){
        var post_data = [];
        $('.trade_window').load('signals.php?action=init'); 
        setInterval(function(){
            post_data = [   {market_number:1, name:$('.trade_window .market_name_1').text().trim()},
                    {market_number:2, name:$('.trade_window .market_name_2').text().trim()}];
                    console.log(JSON.stringify({markets: post_data}));
            $.ajax({
                        url: 'signals.php',
                        type: 'POST',
                        contentType: 'application/json; charset=utf-8',
                       data:{markets:post_data},
                        dataType: "json",
                        success: function(){
                            console.log("IT WORKED");
                        },
                        failure: function(result){
                            console.log("FAILED");
                            console.log(result);
                        }
            });
        }, 10000); 
    });

当我检查console.log(JSON.stringify({markets: post_data}));的输出是得到这在谷歌浏览器的结果:

{"市场":[{"market_number":1、"名称":"GBPUSD"},{"market_number":2,"名字":"目前"}]}

但是我从来没有把"IT WORKED"打印到控制台,这意味着它从来没有工作过。

在进一步检查时,我在PHP中创建了一个if语句来检查是否有任何内容被发布

if(!empty($_POST))
        echo "POSTED!!!!!";
    else
        echo "NOT POSTED";

但是我总是在屏幕上看到"NOT post "。

任何想法?

谢谢你的帮助

使用以下代码:

$(document).ready(function(){
    var post_data = [];
    $('.trade_window').load('signals.php?action=init'); 
    setInterval(function(){
        post_data = [   {market_number:1, name:$('.trade_window .market_name_1').text().trim()},
                {market_number:2, name:$('.trade_window .market_name_2').text().trim()}];
                console.log(JSON.stringify({markets: post_data}));
        $.ajax({
                    url: 'signals.php/',
                    type: 'POST',
                    contentType: 'application/json; charset=utf-8',
                   data:{markets:post_data},
                    dataType: "json",
                    success: function(){
                        console.log("IT WORKED");
                    },
                    failure: function(result){
                        console.log("FAILED");
                        console.log(result);
                    }
        });
    }, 10000); 
});

您可以轻松地在ajax请求中传递POST数据而不需要JSON.stringify

$(document).ready(function(){
        var post_data = [];
        $('.trade_window').load('signals.php?action=init'); 
        setInterval(function(){
            post_data = '&market_number1=1&name1='+$(".trade_window .market_name_1").text().trim()+'&market_number2=2&name2='+$(".trade_window .market_name_2").text().trim();
            $.ajax({

                        url: 'signals.php',
                        type: 'POST',
                        data: post_data,
                        dataType: "json",
                        success: function(){
                            console.log("IT WORKED");
                        }
            });
        }, 2000); 
    });

如果你想使用json。Stringyfy和读取数据在PHP端。这是正确的做法

data: {json: json。stringify({市场:post_data})}

$(document).ready(function(){
    var post_data = [];
    //$('.trade_window').load('signals.php?action=init'); 
    setInterval(function(){
        post_data = [   {market_number:1, name:$('.trade_window .market_name_1').text().trim()},
                {market_number:2, name:$('.trade_window .market_name_2').text().trim()},];
                console.log(JSON.stringify({markets: post_data}));
        $.ajax({

                    url: 'signals.php',
                    type: 'POST',
                    data: {json: JSON.stringify({markets: post_data})},
                    dataType: "json",
                    done: function($msg){
                        console.log("IT WORKED");
                    }
        });
    }, 2000); 
});

在PHP中你可以做任何

$json = json_decode($_POST["json"]);
print_r($json);

    if(isset($_POST["json"])){
$json = json_decode($_POST["json"]);
if(!empty($json))
        echo "POSTED!!!!!";
    else
        echo "NOT POSTED";
}

din