老实说，不知道发生了什么，今天早上工作，没有改变一件事，但现在当我点击我的按钮生成我的图像时，我收到了这个错误。
任何人都可以告诉我为什么以及如何解决这个问题。
错误
test initMock test generate 1
TypeError: Cannot create property 'style' on string 'a'
at i._createCanvasElement (fabric.min.js:2)
at i._createLowerCanvas (fabric.min.js:2)
at i._initStatic (fabric.min.js:2)
at initialize (fabric.min.js:3)
at new i (fabric.min.js:1)
at b.$scope.uploadImage (controller.js:855)
at b.$scope.generate (controller.js:929)
at fn (eval at compile (angular.js:15500), <anonymous>:4:144)
at e (angular.js:27285)
at b.$eval (angular.js:18372)
我的职能
$scope.uploadImage = function (where) {
var deferred = $q.defer();
if (where === 'upload') {
var f = document.getElementById('uploadCreative').files[0];
var r = new FileReader();
r.onload = function () {
var image = new Image();
image.src = r.result;
image.onload = function () {
$scope.resize(image.src).then(function (response) {
deferred.resolve(response);
console.log('hehe NO!');
console.log('hehe NO!');
}).catch(function (response) {
})
}
};
r.readAsDataURL(f);
}
if (where === 'local') {
function ax(a, callback) {
callback(localStorage.getItem(a));
}
var loadCanvas = new fabric.Canvas('a');
divHeight = $('.image-builder').height();
if ($scope.format === '1') {
Aratio = 0.67;
} else if ($scope.format === '2') {
Aratio = 0.56;
} else if ($scope.format === '3') {
divHeight = divHeight / 1.5;
Aratio = 2;
} else if ($scope.format === '4') {
Aratio = 0.67;
} else {
Aratio = 1
}
loadCanvas.setHeight(divHeight - 15);
loadCanvas.setWidth((divHeight - 15) * Aratio);
if (localStorage.getItem('backgroundImage') !== 'null') {
background = localStorage.getItem('backgroundImage');
var imgBc = new Image();
imgBc.onload = function () {
// this is syncronous
Iwidth = this.width;
Iheight = this.height;
var f_img = new fabric.Image(imgBc);
loadCanvas.setBackgroundImage(f_img, loadCanvas.renderAll.bind(loadCanvas), {
scaleY: loadCanvas.height / Iheight,
scaleX: loadCanvas.width / Iwidth
});
var test = ax('CC-canvas', function (response) {
loadCanvas.loadFromJSON(response, function () {
loadCanvas.renderAll();
$scope.resize(loadCanvas.toDataURL()).then(function (response) {
deferred.resolve(response);
}).catch(function (response) {
})
});
});
};
imgBc.src = background;
} else {
var test = ax('CC-canvas', function (response) {
loadCanvas.loadFromJSON(response, function () {
loadCanvas.renderAll();
$scope.resize(loadCanvas.toDataURL()).then(function (response) {
deferred.resolve(response);
}).catch(function (response) {
console.log(response);
})
});
});
}
}
return deferred.promise;
};
$scope.generate = function () {
$scope.generating = true;
$scope.generateBtn = 'Generating';
for (i = 0; i < $scope.gallery.length; i++) {
$scope.select[i] = '';
}
$scope.gallery = [];
$scope.checkPhoto = [];
console.log("test generate 1");
$scope.uploadImage($scope.creative).then(function (result) {
console.log("test generate 2");
$scope.generateCanvas(result, $scope.left, $scope.tops, $scope.wi, $scope.hi, $scope.per, $scope.btmR, $scope.btmL, $scope.backUrl)
.then(function () {
$timeout(function () {
//push final photo to array befor send to back end
$scope.photosToPhp.push(canvas2.toDataURL());
}, 800);
if ($scope.count < ($scope.photos[$scope.format].length - 1)) {
$scope.generate();
$scope.count++;
$scope.left = $scope.photos[$scope.format][$scope.count]['left'];
$scope.tops = $scope.photos[$scope.format][$scope.count]['tops'];
$scope.wi = $scope.photos[$scope.format][$scope.count]['wi'];
$scope.hi = $scope.photos[$scope.format][$scope.count]['hi'];
$scope.per = $scope.photos[$scope.format][$scope.count]['per'];
$scope.btmR = $scope.photos[$scope.format][$scope.count]['btmR'];
$scope.btmL = $scope.photos[$scope.format][$scope.count]['btmL'];
$scope.backUrl = "/mm3/public/img/formats/" + $scope.format + "/" + $scope.photos[$scope.format][$scope.count]['backUrl'];
$scope.$apply();
console.log("test generate 3");
} else {
//all photos've been pushed now sending it to back end
$timeout(function () {
// console.log($scope.photosToPhp[0]);
$http.post('/mm3/savePhoto', $scope.photosToPhp).then(function (success) {
$scope.generating = false;
$scope.generateBtn = 'Generate';
//creating mock up gallery
for (var x = 0; x < success.data.photos; x++) {
var file = '/mm3/tmp/' + success.data.folder + "/out" + x + ".png";
$scope.gallery.push(file);
}
$scope.photosToPhp = [];
}, function (error) {
});
}, 800);
$scope.count = 0;
$scope.left = $scope.photos[$scope.format][$scope.count]['left'];
$scope.tops = $scope.photos[$scope.format][$scope.count]['tops'];
$scope.wi = $scope.photos[$scope.format][$scope.count]['wi'];
$scope.hi = $scope.photos[$scope.format][$scope.count]['hi'];
$scope.per = $scope.photos[$scope.format][$scope.count]['per'];
$scope.btmR = $scope.photos[$scope.format][$scope.count]['btmR'];
$scope.btmL = $scope.photos[$scope.format][$scope.count]['btmL'];
$scope.backUrl = "/mm3/public/img/formats/" + $scope.format + "/" + $scope.photos[$scope.format][$scope.count]['backUrl'];
$scope.$apply();
}
console.log("test generate 4");
})
.catch(function (errorUrl) {
console.log(errorUrl);
})
})
};
答案 0 :(得分：0)
解决了降级面料js到1.5而不是1.7，我升级到，不知道为什么这有效但它剂量