我尝试在html 5中使用下面的角度表达式，但它不起作用。
的index.html
* * < !DOCTYPE html >
< html >
< script src = "http://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js" > < /script> < script src = "blockuijs.js" > < /script> < body >
< div ng - app = "icebreakerapp" >
< p > My first expression: {
{
5 + 5
}
} </p> </div> < script >
var module = angular.module('icebreakerapp', ['blockUI']); < /script> < /body> < /html>**
blockuijs.js
(function(angular) {
var blkUI = angular.module('blockUI', []);
blkUI.config(["$provide", "$httpProvider", function($provide, $httpProvider) {
$provide.decorator('$exceptionHandler', ['$delegate', '$injector', function($delegate, $injector) {
var blockUI, blockUIConfig;
return function(exception, cause) {
blockUIConfig = blockUIConfig || $injector.get('blockUIConfig');
if (blockUIConfig.resetOnException) {
blockUI = blockUI || $injector.get('blockUI');
blockUI.instances.reset();
}
$delegate(exception, cause);
};
}]);
$httpProvider.interceptors.push('blockUIHttpInterceptor');
}]);
blkUI.run(["$document", "blockUIConfig", "$templateCache", function($document, blockUIConfig, $templateCache) {
if (blockUIConfig.autoInjectBodyBlock) {
$document.find('body').attr('block-ui', 'main');
}
if (blockUIConfig.template) {
blockUIConfig.templateUrl = '$$block-ui-template$$';
$templateCache.put(blockUIConfig.templateUrl, blockUIConfig.template);
}
}]);
blkUI.directive('blockUiContainer', ["blockUIConfig", "blockUiContainerLinkFn", function(blockUIConfig, blockUiContainerLinkFn) {
return {
scope: true,
restrict: 'A',
templateUrl: blockUIConfig.templateUrl,
compile: function($element) {
return blockUiContainerLinkFn;
}
};
}]).factory('blockUiContainerLinkFn', ["blockUI", "blockUIUtils", function(blockUI, blockUIUtils) {
return function($scope, $element, $attrs) {
var srvInstance = $element.inheritedData('block-ui');
if (!srvInstance) {
throw new Error('No parent block-ui service instance located.');
}
$scope.state = srvInstance.state(); //
};
}]);
blkUI.directive('blockUi', ["blockUiCompileFn", function(blockUiCompileFn) {
return {
scope: true,
restrict: 'A',
compile: blockUiCompileFn
};
}]).factory('blockUiCompileFn', ["blockUiPreLinkFn", function(blockUiPreLinkFn) {
return function($element, $attrs) {
$element.append('<div block-ui-container class="block-ui-container"></div>');
return {
pre: blockUiPreLinkFn
};
};
}]).factory('blockUiPreLinkFn', ["blockUI", "blockUIUtils", "blockUIConfig", function(blockUI, blockUIUtils, blockUIConfig) {
return function($scope, $element, $attrs) {
if (!$element.hasClass('block-ui')) {
$element.addClass(blockUIConfig.cssClass);
}
$attrs.$observe('blockUiMessageClass', function(value) {
$scope.$_blockUiMessageClass = value;
});
var instanceId = $attrs.blockUi || '_' + $scope.$id;
var srvInstance = blockUI.instances.get(instanceId);
if (instanceId === 'main') {
var fn = $scope.$on('$viewContentLoaded', function($event) {
fn();
$scope.$on('$locationChangeStart', function(event) {
if (srvInstance.state().blockCount > 0) {
event.preventDefault();
}
});
});
} else {
var parentInstance = $element.inheritedData('block-ui');
if (parentInstance) {
srvInstance._parent = parentInstance;
}
}
$scope.$on('$destroy', function() {
srvInstance.release();
});
srvInstance.addRef();
$scope.$_blockUiState = srvInstance.state();
$scope.$watch('$_blockUiState.blocking', function(value) {
$element.attr('aria-busy', !!value);
$element.toggleClass('block-ui-visible', !!value);
});
$scope.$watch('$_blockUiState.blockCount > 0', function(value) {
$element.toggleClass('block-ui-active', !!value);
});
var pattern = $attrs.blockUiPattern;
if (pattern) {
var regExp = blockUIUtils.buildRegExp(pattern);
srvInstance.pattern(regExp);
}
$element.data('block-ui', srvInstance);
};
}]);
blkUI.constant('blockUIConfig', {
templateUrl: 'angular-block-ui/angular-block-ui.ng.html',
delay: 250,
message: "Loading ...",
autoBlock: true,
resetOnException: true,
requestFilter: angular.noop,
autoInjectBodyBlock: true,
cssClass: 'block-ui block-ui-anim-fade'
});
blkUI.factory('blockUIHttpInterceptor', ["$q", "$injector", "blockUIConfig", function($q, $injector, blockUIConfig) {
var blockUI;
function injectBlockUI() {
blockUI = blockUI || $injector.get('blockUI');
}
function stopBlockUI(config) {
if (blockUIConfig.autoBlock && !config.$_noBlock && config.$_blocks) {
injectBlockUI();
config.$_blocks.stop();
}
}
function error(rejection) {
stopBlockUI(rejection.config);
return $q.reject(rejection);
}
return {
request: function(config) {
if (blockUIConfig.autoBlock) {
if (blockUIConfig.requestFilter(config) === false) {
config.$_noBlock = true;
} else {
injectBlockUI();
config.$_blocks = blockUI.instances.locate(config);
config.$_blocks.start();
}
}
return config;
},
requestError: error,
response: function(response) {
stopBlockUI(response.config);
return response;
},
responseError: error
};
}]);
blkUI.factory('blockUI', ["blockUIConfig", "$timeout", "blockUIUtils", "$document", function(blockUIConfig, $timeout, blockUIUtils, $document) {
var $body = $document.find('body');
function BlockUI(id) {
var self = this;
var state = {
id: id,
blockCount: 0,
message: blockUIConfig.message,
blocking: false
},
startPromise, doneCallbacks = [];
this._refs = 0;
this.start = function(message) {
if (state.blockCount > 0) {
message = message || state.message || blockUIConfig.message;
} else {
message = message || blockUIConfig.message;
}
state.message = message;
state.blockCount++;
var $ae = angular.element($document[0].activeElement);
if ($ae.length && blockUIUtils.isElementInBlockScope($ae, self)) { //
self._restoreFocus = $ae[0];
$timeout(function() {
if (self._restoreFocus) {
self._restoreFocus.blur();
}
});
}
if (!startPromise) {
startPromise = $timeout(function() {
startPromise = null;
state.blocking = true;
}, blockUIConfig.delay);
}
};
this._cancelStartTimeout = function() {
if (startPromise) {
$timeout.cancel(startPromise);
startPromise = null;
}
};
this.stop = function() {
state.blockCount = Math.max(0, --state.blockCount);
if (state.blockCount === 0) {
self.reset(true);
}
};
this.message = function(value) {
state.message = value;
};
this.pattern = function(regexp) {
if (regexp !== undefined) {
self._pattern = regexp;
}
return self._pattern;
};
this.reset = function(executeCallbacks) {
self._cancelStartTimeout();
state.blockCount = 0;
state.blocking = false;
if (self._restoreFocus && (!$document[0].activeElement || $document[0].activeElement === $body[0])) {
self._restoreFocus.focus();
self._restoreFocus = null;
}
try {
if (executeCallbacks) {
angular.forEach(doneCallbacks, function(cb) {
cb();
});
}
} finally {
doneCallbacks.length = 0;
}
};
this.done = function(fn) {
doneCallbacks.push(fn);
};
this.state = function() {
return state;
};
this.addRef = function() {
self._refs += 1;
};
this.release = function() {
if (--self._refs <= 0) {
mainBlock.instances._destroy(self);
}
};
}
var instances = [];
instances.get = function(id) {
var instance = instances[id];
if (!instance) {
instance = instances[id] = new BlockUI(id);
instances.push(instance);
}
return instance;
};
instances._destroy = function(idOrInstance) {
if (angular.isString(idOrInstance)) {
idOrInstance = instances[idOrInstance];
}
if (idOrInstance) {
idOrInstance.reset();
delete instances[idOrInstance.state().id];
var i = instances.length;
while (--i) {
if (instances[i] === idOrInstance) {
instances.splice(i, 1);
break;
}
}
}
};
instances.locate = function(request) {
var result = [];
blockUIUtils.forEachFnHook(result, 'start');
blockUIUtils.forEachFnHook(result, 'stop');
var i = instances.length;
while (i--) {
var instance = instances[i];
var pattern = instance._pattern;
if (pattern && pattern.test(request.url)) {
result.push(instance);
}
}
if (result.length === 0) {
result.push(mainBlock);
}
return result;
};
blockUIUtils.forEachFnHook(instances, 'reset');
var mainBlock = instances.get('main');
mainBlock.addRef();
mainBlock.instances = instances;
return mainBlock;
}]);
blkUI.factory('blockUIUtils', function() {
var $ = angular.element;
var utils = {
buildRegExp: function(pattern) {
var match = pattern.match(/^\/(.*)\/([gim]*)$/),
regExp;
if (match) {
regExp = new RegExp(match[1], match[2]);
} else {
throw Error('Incorrect regular expression format: ' + pattern);
}
return regExp;
},
forEachFn: function(arr, fnName, args) {
var i = arr.length;
while (i--) {
var t = arr[i];
t[fnName].apply(t, args);
}
},
forEachFnHook: function(arr, fnName) {
arr[fnName] = function() {
utils.forEachFn(this, fnName, arguments);
}
},
isElementInBlockScope: function($element, blockScope) {
var c = $element.inheritedData('block-ui');
while (c) {
if (c === blockScope) {
return true;
}
c = c._parent;
}
return false;
},
findElement: function($element, predicateFn, traverse) {
var ret = null;
if (predicateFn($element)) {
ret = $element;
} else {
var $elements;
if (traverse) {
$elements = $element.parent();
} else {
$elements = $element.children();
}
var i = $elements.length;
while (!ret && i--) {
ret = utils.findElement($($elements[i]), predicateFn, traverse);
}
}
return ret;
}
};
return utils;
});
angular.module('blockUI').run(['$templateCache', function($templateCache) {
$templateCache.put('angular-block-ui/angular-block-ui.ng.html', '<div class=\"block-ui-overlay\"></div><div class=\"block-ui-message-container\" aria-live=\"assertive\" aria-atomic=\"true\"><div class=\"block-ui-message loading_spinnerlatest\" ng-class=\"$_blockUiMessageClass\">{{ state.message }}</div></div>');
}]);
}）（角度）; //
输出为"My first expression:{{ 5+5}}"。但期望为"My first expression:10"
注意：如果我删除（angular.module）中的依赖模块，它正在工作。但我需要那些依赖模块 进一步发展
答案 0 :(得分：1)
您是否在控制台中看到任何错误？也许您的某些模块依赖项未得到解决。 请查看以下代码段：
<script src= "http://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script>
<body>
<div ng-app="icebreakerapp">
<p>My first expression: {{ 5 + 5 }}</p>
</div>
<script>
var module = angular.module('icebreakerapp', []);
</script>