从使用Angular JS运行MySQL的PHP​​服务器获取数据时出错

时间:2017-09-30 20:41:05

标签: javascript php mysql angularjs internal-server-error

当我的Angular应用调用我的php文件时,我收到[$ http:baddata]错误。 我不确定错误的确切位置在哪里,但我相信这是构建json对象的问题!我附上了所有相关代码。任何帮助都会很棒。在此先感谢:)

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Angular文档显示了这个 enter image description here

这是连接到我的数据库并试图将JSON格式字符串返回给调用文件的PHP文件

<?php 
echo '<script>console.log("Inside php file!")</script>';
header("Access-Control-Allow-Origin: *");
header("Content-Type: application/json; charset=UTF-8");

require_once('mysqli_connect.php');

$query = "SELECT rideid, destination, price, capacity, userid, origin, departDate, vehicle FROM rides";

$result = @mysqli_query($dbc, $query);

$outp = "";
while($rs = $result->fetch_array(MYSQLI_ASSOC)) {
     if ($outp != "") {$outp .= ",";}
    $outp .= '{"Origin":"'  . $rs["origin"] . '",';
    $outp .= '"Destination":"'   . $rs["destination"]        . '",';
    $outp .= '"Price":"'. $rs["price"]     . '"}';
    $outp .= '"Capacity":"'. $rs["capacity"]     . '"}';
}

$outp ='{"records":['.$outp.']}';
//echo '<script>console.log(JSON.stringify('.$outp.'))</script>';
$conn->close();

echo($outp);

这是向PHP文件发出请求的Angular应用

<html>
<head>
    <!-- Include Angular -->
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.6.6/angular.min.js"></script>
</head>
<body>

<!-- Ride Table -->
     <div ng-app = "rideAppTest" ng-controller= "rideCtrlTest">
        <table>
          <tr ng-repeat = "x in names">
            <td>{{x.Origin}}</td>
            <td>{{x.Destination}}</td>
            <td>{{x.Price}}</td>
            <td>{{x.Capacity}}</td>
          </tr>
        </table>
     </div>
<!-- End Ride Table -->

<!--Ride Table Script-->
<script>
  var app = angular.module('rideAppTest', []);
  app.controller('rideCtrlTest', function($scope, $http) {
    $http.get("angularFilter.php")
    .then(
      function (response) {
        $scope.names = response.data.records;
      },
      function(data){
        console.log("Error!" + data);
      }

        );
});
</script>
</body>
</html>

2 个答案:

答案 0 :(得分:2)

不要按照你的方式构建JSON,首先收集数组或对象内的所有内容,然后执行echo json_encode($result);

这样的事情:

$outp = [];
while($rs = $result->fetch_array(MYSQLI_ASSOC)) {
    $outp[] = $rs;
}
echo json_encode(["records" => $outp]);

答案 1 :(得分:0)

感谢@Madhav的帮助。最终为我工作的是:)

while($rs = mysqli_fetch_array($result)) {
        $myArray[] = array(
            'Origin' => $rs["origin"],
            'Destination' => $rs["origin"],
            'Price' => $rs["price"],
            'Capacity' => $rs["capacity"]

        );
    }
    echo json_encode(["records" => $myArray]);