var mysrclat= 0; var mysrclong = 0;
  $scope.nearme = function($scope) {
    if (navigator.geolocation) {
        navigator.geolocation.getCurrentPosition(function (position) {

                mysrclat = position.coords.latitude; 
                mysrclong = position.coords.longitude;
        });
        console.log(mysrclat);
        console.log(mysrclong);
    }
}

问题是,第一次,坐标打印为0,0.然后,打印出正确的坐标值.为什么第一次打印0,0作为坐标？

function (position) {
  mysrclat = position.coords.latitude; 
  mysrclong = position.coords.longitude;
  console.log(mysrclat);
  console.log(mysrclong);
});

http://jsfiddle.net/glebv/axrw7g90/18/

var booksJson;
var app = angular.module('booksInventoryApp',[]);

// get data from the WS
app.run(function ($http) {
    $http.get("https://SOME_API_PATH").success(function (data) {
        booksJson = data;
        console.log(data);  //Working
    });
});

app.controller('booksCtrl',function ($scope) { 
    $scope.data = booksJson;
    console.log($scope.data); //NOT WORKING
});

HTML：

<section ng-controller="booksCtrl">
<h2 ng-repeat="book in data">{{book.name}}</h2>
</section>

此外,Web服务返回的对象不是数组.所以你的ng-repeat应该是这样的：在data.books中预订

这是一个工作示例：

var app = angular.module('booksInventoryApp',[]);

app.controller('booksCtrl',function($scope,$http) {

  $http.get("https://whispering-woodland-9020.herokuapp.com/getAllBooks")
    .then(function(response) {
      $scope.data = response.data;
    });
});

<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"></script>
<article ng-app="booksInventoryApp">
  <section ng-controller="booksCtrl">
    <h2 ng-repeat="book in data.books">{{book.name}}</h2>    
  </section>
</article>

我需要在那里添加一个步骤来测试图像的尺寸,我目前只能通过jQuery / javascript来做.

只是想知道在上传之前是否有一种“有角度”的方式来检查图像的尺寸？

$scope.uploadImage = function($files) {
    $scope.selectedFiles = [];
    $scope.progress = [];

    if ($scope.upload && $scope.upload.length > 0) {
        for (var i = 0; i < $scope.upload.length; i++) {
            if ($scope.upload[i] !== null) {
                $scope.upload[i].abort();
            }
        }
    }
    $scope.upload = [];
    $scope.uploadResult = [];
    $scope.selectedFiles = $files;
    $scope.dataUrls = [];

    for ( var j = 0; j < $files.length; j++) {
        var $file = $files[j];
        if (/*$scope.fileReaderSupported && */$file.type.indexOf('image') > -1) {
            var fileReader = new FileReader();
            fileReader.readAsDataURL($files[j]);
            var loadFile = function(fileReader,index) {
                fileReader.onload = function(e) {
                    $timeout(function() {
                        $scope.dataUrls[index] = e.target.result;

                        //------Suggestions?-------//
                        $('#image-upload-landscape').on('load',function(){
                            console.log($(this).width());
                        });
                        //-------------------------//
                    });
                };
            }(fileReader,j);
        }
        $scope.progress[j] = -1;
        if ($scope.uploadRightAway) {
            $scope.start(j);
        }

    }
};

var reader = new FileReader();
reader.onload = onLoadFile;
reader.readAsDataURL(filtItem._file);

function onLoadFile(event) {
    var img = new Image();
    img.src = event.target.result;
    console.log(img.width,img.height)
}

这是从https://github.com/nervgh/angular-file-upload/blob/master/examples/image-preview/directives.js复制的代码段.

我认为这更像是angularjs.但是,您可能需要对其进行修改以满足您的要求.