你好，请问怎么不通过使用路由，来异步加载HTML及JS，并使它成功编译成ANGULAR局部应用？ #7

vrbvillor · 2016-08-18T08:48:28Z

这是这块代码的压缩包。
https://github.com/CHIheart/CHIanimate/blob/master/async.rar

index.html

<!DOCTYPE html>
<html ng-controller="CtrlMain">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>Examples</title>
<meta name="description" content="">
<meta name="keywords" content="">
<link href="" rel="stylesheet">
</head>
<body>


<button>load!!!</button>
<div id="Sync" ng-controller="CtrlSync">{{message}}{{LoginInfo.username}}</div>

</body>
</html>

<script src="./angular1.2.29.js"></script>
<script src="./sea2.3.0.js"></script>
<script>

seajs.use('./js')
</script>

js.js

define(function(require,exports,module){
    angular.module('AppLogin',[])
        .value('LoginInfo',{
            login:false,
            username:'用户名称'
        })
    angular.module('AppMain',['AppLogin'])
        .controller('CtrlMain',['$scope',function($scope){}])
        .controller('CtrlSync', ['$scope','LoginInfo', function($scope,LoginInfo){
            $scope.message="This is a sync controller."
            $scope.LoginInfo=LoginInfo;
        }]);
    angular.element(document.getElementsByTagName("button")[0]).on('click',function(event) {
        require.async(['./try.css','./try.html','./try.js'],function(css,html,js){
            angular.element(document.body).append(html)
        });
    });
    angular.bootstrap(document, ['AppMain'])
});

try.css

body{
    background-color: gray;
}

div{
    width: 100px;
    height: 100px;
    border: 1px solid red;
}

try.html

<div ng-app="AppTry" ng-controller="CtrlTry">{{message}}{{LoginInfo.username}}
<button ng-click="login();">登录</button>
</div>

try.js

define(function(require,exports,module){

    angular.module('AppMain')
        .controller('CtrlTry', ['$scope','$timeout','LoginInfo' , function ($scope,$timeout,LoginInfo) {
            $scope.message="This is the message!";
            $scope.login=function(){
                $timeout(function(){
                    $scope.LoginInfo.username="已登录用户";
                alert(1)

                });
            }
        }]);
});

sea2.3.0.js，这里边混入了sea的两个插件sea-text和sea-css

/*! Sea.js 2.3.0 | seajs.org/LICENSE.md */
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!function(){function a(a){h[a.name]=a}function b(a){return a&&h.hasOwnProperty(a)}function c(a){for(var c in h)if(b(c)){var d=","+h[c].ext.join(",")+",";if(d.indexOf(","+a+",")>-1)return c}}function d(a,b){var c=g.XMLHttpRequest?new g.XMLHttpRequest:new g.ActiveXObject("Microsoft.XMLHTTP");return c.open("GET",a,!0),c.onreadystatechange=function(){if(4===c.readyState){if(c.status>399&&c.status<600)throw new Error("Could not load: "+a+", status = "+c.status);b(c.responseText)}},c.send(null)}function e(a){a&&/\S/.test(a)&&(g.execScript||function(a){(g.eval||eval).call(g,a)})(a)}function f(a){return a.replace(/(["\\])/g,"\\$1").replace(/[\f]/g,"\\f").replace(/[\b]/g,"\\b").replace(/[\n]/g,"\\n").replace(/[\t]/g,"\\t").replace(/[\r]/g,"\\r").replace(/[\u2028]/g,"\\u2028").replace(/[\u2029]/g,"\\u2029")}var g=window,h={},i={};a({name:"text",ext:[".tpl",".html"],exec:function(a,b){e('define("'+a+'#", [], "'+f(b)+'")')}}),a({name:"json",ext:[".json"],exec:function(a,b){e('define("'+a+'#", [], '+b+")")}}),a({name:"handlebars",ext:[".handlebars"],exec:function(a,b){var c=['define("'+a+'#", ["handlebars"], function(require, exports, module) {','  var source = "'+f(b)+'"','  var Handlebars = require("handlebars")["default"]',"  module.exports = function(data, options) {","    options || (options = {})","    options.helpers || (options.helpers = {})","    for (var key in Handlebars.helpers) {","      options.helpers[key] = options.helpers[key] || Handlebars.helpers[key]","    }","    return Handlebars.compile(source)(data, options)","  }","})"].join("\n");e(c)}}),seajs.on("resolve",function(a){var d=a.id;if(!d)return"";var e,f;(f=d.match(/^(\w+)!(.+)$/))&&b(f[1])?(e=f[1],d=f[2]):(f=d.match(/[^?]+(\.\w+)(?:\?|#|$)/))&&(e=c(f[1])),e&&-1===d.indexOf("#")&&(d+="#");var g=seajs.resolve(d,a.refUri);e&&(i[g]=e),a.uri=g}),seajs.on("request",function(a){var b=i[a.uri];b&&(d(a.requestUri,function(c){h[b].exec(a.uri,c),a.onRequest()}),a.requested=!0)}),define("seajs/seajs-text/1.1.1/seajs-text",[],{})}();

现在的效果就是点击按钮之后，加载的CSS跟HTML都是正常的，JS貌似也是正常的，但就是没办法让加进来的HTML变成有效的ANGULAR局部应用。

subchen · 2016-08-18T09:15:30Z

你的代码中有一段如下：

angular.element(document.body).append(html)

这种方式加入的 html 没有经过 angular 处理，所以正确无法识别里面的 ng directive.

你需要用 $compile 对 html进行编译，连接才行, 然后在加入到 dom tree。

var html = '<div ng-model="xxx" />';
var dom = angular.element(document.body);
var parentScope = dom.scope();
var newElem = $compile(html)(parentScope);
dom.append(newElem);

上面的代码不一定能工作，只是提供一种思路和范例。

参考：

vrbvillor · 2016-08-18T09:19:16Z

我试过，在JS.JS里边加入$compile(html)($scope)但是不行。而且我的没有directive，只是controller。

subchen · 2016-08-18T09:22:14Z

有controller也可以的，只要能拿到 $compile service 就可以了。

vrbvillor · 2016-08-18T09:26:36Z

这是我的第二种写法 https://github.com/CHIheart/CHIanimate/blob/master/async2.rar
它报错，报我要编译的那段HTML上的控制器不存在。

vrbvillor · 2016-08-18T09:32:57Z

这是我的第三种写法 https://github.com/CHIheart/CHIanimate/blob/master/async3.rar
因为我刚才想到，作用域不应该是原来的作用域，应该是新加进去的那个元素上的作用域，所以我把作用域写成它了，但是依然报控制器不存在。
就算是先把HTML加进去，再编译也不行，只要链接到作用域就会报错，光编译时不会报错。

subchen · 2016-08-18T09:39:15Z

$scope.load=function() {
    require.async(['./try.css','./try.html','./try.js'],function(css,html,js){
        $compile(html)($scope);
        angular.element(document.body).append(html)
    });
}

你的代码有 2 个问题：

需要把 try.js 动态注入到 angular.module 里面去（动态注入你就必须用到 angular-async-loader）
不能 append 原始的 html, 而是应该 append 编译后的 dom 对象

新的范例代码如下：

js.js

angular.module('AppMain',['AppLogin'])
.controller('CtrlMain',['$scope','$compile',function($scope,$compile){
    $scope.load=function() {
       require.async(['./try.css','./try.html','./try.js'],function(css,html,js) {
          var dom = $compile(html)($scope);
          var body = angular.element(document.body);
          body.append(dom)
          body.append('<style>\n' + css + '\n</style>')
       });
    }
}

try.js

define(function(require,exports,module){
    var asyncLoader = require('angular-async-loader');

    var app = angular.module('AppMain');
    asyncLoader.configure(app);
    app.controller('CtrlTry', ['$scope','$timeout','LoginInfo' , function ($scope,$timeout,LoginInfo) {
        $scope.message="This is the message!";
        $scope.login=function(){
            $timeout(function(){
                $scope.LoginInfo.username="已登录用户";
                alert(1)
            });
        }
    }]);
});

vrbvillor · 2016-08-18T09:52:17Z

话说，大侠，怎么把你这插件，改成CMD格式的？

我改了好多地方，最后还是不好使，大侠能来一个完整版的代码么？谢谢啦，这个地方我已经卡住两个月了。

仍然是在$compile()()第二个括号，就是链接到作用域那个地方报错。而且try.js里边的控制器仍然没有执行到。

subchen · 2016-08-18T09:59:56Z

angular-async-loader 已经支持 AMD/CMD 加载，可以直接使用

vrbvillor · 2016-08-18T10:00:46Z

大侠能来一个完整版的代码么？谢谢啦，这个地方我已经卡住两个月了。

仍然是在$compile()()第二个括号，就是链接到作用域那个地方报错。而且try.js里边的控制器仍然没有执行到。

subchen · 2016-08-18T10:05:51Z

是因为你在 try.js 里面的 controller 是动态加载的。
angular 不能在 angular.bootstrap() 之后，再通过 app.controller(...) 注册任何的 controller。
所以你的原始代码在 $compile(html)(scope) 的时候会找不到 controller。

虽然可以通过 angular-async-loader + $compile 来解决你的问题，不过还是建议你用
ui-router + angular-async-loader + require.js 来做。

可以参考我的 demo 代码：https://github.com/subchen/angular-async-loader/tree/master/demo

vrbvillor · 2016-08-22T01:13:19Z

可是这是本页异步调用小插件，没有涉及到路由啊？而且我是CMD的，不会用require，用的是sea。既然能通过angular-async-loader+$compile来完成，求你帮我写一个完整版的代码呗，谢谢啦。我卡在这里卡好久了。

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你好，请问怎么不通过使用路由，来异步加载HTML及JS，并使它成功编译成ANGULAR局部应用？ #7

你好，请问怎么不通过使用路由，来异步加载HTML及JS，并使它成功编译成ANGULAR局部应用？ #7

vrbvillor commented Aug 18, 2016 •

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vrbvillor commented Aug 22, 2016

你好，请问怎么不通过使用路由，来异步加载HTML及JS，并使它成功编译成ANGULAR局部应用？ #7

你好，请问怎么不通过使用路由，来异步加载HTML及JS，并使它成功编译成ANGULAR局部应用？ #7

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vrbvillor commented Aug 18, 2016 • edited Loading

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vrbvillor commented Aug 22, 2016

vrbvillor commented Aug 18, 2016 •

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subchen commented Aug 18, 2016 •

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vrbvillor commented Aug 18, 2016 •

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vrbvillor commented Aug 18, 2016 •

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vrbvillor commented Aug 18, 2016 •

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subchen commented Aug 18, 2016 •

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vrbvillor commented Aug 18, 2016 •

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