Question

我对json和php有疑问。我想在wins_ratio中获取值。我怎么做到的？

＆＃13;

<?php
$jsondata = file_get_contents('https://api.worldoftanks.eu/wot/account/info/?application_id=ea6d19fe37d4b6b660f18c322a6ec219&account_id=' .$acc_account_id );
$info = json_decode($jsondata, TRUE);
$account = $info['data']['wins_ratio'][0];
foreach ($account as $acc) {
	$acc_value = $acc['value'];
	echo $acc_value;	
}
?>

＆＃13;

JSON文件

PHP文件

Answer 1

根据JSON判断，它应该是

$account = $info['data']['521997295']['wins_ratio']

现在你将拥有帐号：

数组{ “rank_delta”：4690， “等级”：278273， “价值”：51.67 }

Answer 2

解码JSON数据，然后深入查看 wins_ratio 属性。就是这样。这里：

JSON编码数据

        <?php
            $json   = '{
          "status": "ok",
          "meta": {
            "count": 1
          },
          "data": {
            "521997295": {
              "survived_ratio": {
                "rank_delta": 3365,
                "rank": 1472735,
                "value": 20.44
              },
              "capture_points": {
                "rank_delta": null,
                "rank": null,
                "value": null
              },
              "wins_ratio": {
                "rank_delta": 4690,
                "rank": 278273,
                "value": 51.67
              },
              "spotted_count": {
                "rank_delta": null,
                "rank": null,
                "value": null
              },
              "account_id": 521997295,
              "frags_avg": {
                "rank_delta": null,
                "rank": null,
                "value": 0.74
              },
              "hits_ratio": {
                "rank_delta": -1070,
                "rank": 1222866,
                "value": 52.89
              },
              "xp_amount": {
                "rank_delta": null,
                "rank": null,
                "value": 2508278
              },
              "frags_count": {
                "rank_delta": 822,
                "rank": 677480,
                "value": 5188
              },
              "spotted_avg": {
                "rank_delta": null,
                "rank": null,
                "value": null
              },
              "battles_to_play": 0,
              "damage_dealt": {
                "rank_delta": 685,
                "rank": 752542,
                "value": 3573561
              },
              "global_rating": {
                "rank_delta": 2563,
                "rank": 542926,
                "value": 4648
              },
              "xp_max": {
                "rank_delta": -167,
                "rank": 996086,
                "value": 1773
              },
              "damage_avg": {
                "rank_delta": null,
                "rank": null,
                "value": 509.49
              },
              "xp_avg": {
                "rank_delta": 738,
                "rank": 777970,
                "value": 357.61
              },
              "battles_count": {
                "rank_delta": 516,
                "rank": 743475,
                "value": 7014
              }
            }
          }
        }';

PHP工作

    <?php
        // DECODE THE JSON DATA...
        $decoded    = json_decode($json);
        $data       = $decoded->data;
        $winsRatio  = "";

        // LOOP THROUGH THE DECODED DATA AND CHECK IF wins_ratio EXISTS
        // AS A PROPERTY. IF IT DOES, ASSIGN IT TO THE $winsRatio Variable
        // AND BREAK OUT OF THE LOOP: NO NEED TO CONTINUE LOOPING...
        foreach($data as $key=>$obj){
            if(property_exists($obj, 'wins_ratio')){
                $winsRatio  = $obj->wins_ratio;
                break;
            }
        }


        var_dump($winsRatio);

<强>转储

            object(stdClass)[6]
              public 'rank_delta' => int 4690
              public 'rank' => int 278273
              public 'value' => float 51.67

现在你可以像这样访问胜利属性比率：

          <?php
              $rankDelta = $winsRatio->rank_delta;
              $rank      = $winsRatio->rank;
              $value     = $winsRatio->value;

希望这有点帮助; - ）

Answer 3

使用此代码：将$info['data']['wins_ratio'][0]替换为$info['data']['521997295']['wins_ratio']，将$acc['value']替换为foreach循环中的$acc

<?php 
$jsondata = file_get_contents('https://api.worldoftanks.eu/wot/account/info/?application_id=demo&account_id=' .$acc_account_id );
$info = json_decode($jsondata, TRUE);
$account = $info['data']['521997295']['wins_ratio'];
foreach ($account as $acc)
{
    echo $acc;
    echo "<br>";    
}
?>

要显示等级值使用，则不需要foreach循环

echo $info['data']['521997295']['wins_ratio']['value']; ///51.67

这会给你：

4690
278273
51.67

现场示例CLICK HERE

Answer 4

您在代码中缺少父层次结构（ 521997295 ）。我还怀疑父级层次结构是$ acc_account_id变量，因此为了使其对您的内容具有动态性，您只需将代码调整为以下内容：

$jsondata = file_get_contents('https://api.worldoftanks.eu/wot/account/info/?application_id=ea6d19fe37d4b6b660f18c322a6ec219&account_id=' .$acc_account_id );
$info = json_decode($jsondata, TRUE);
$account = $info['data'][$acc_account_id]['wins_ratio'];
foreach ($account as $acc) {
  $acc_value = $acc['value'];
  echo $acc_value;  
}

甚至更简单：

$jsondata = file_get_contents('https://api.worldoftanks.eu/wot/account/info/?application_id=ea6d19fe37d4b6b660f18c322a6ec219&account_id=' .$acc_account_id );
$info = json_decode($jsondata, TRUE);
$account = $info['data'][$acc_account_id]['wins_ratio']['value'];

如果您希望静态分配仅适用于您提供的案例，则可以将“$ acc_account_id”替换为“'521997295'”（包括密钥周围的两个单引号）。

如果您需要任何澄清，请告诉我。

PHP从JSON获取值

4 个答案: