如何访问控制器内的工厂方法

How to access a factory method inside a controller ?

本文关键字：工厂 方法 控制器 何访问 访问      更新时间：2023-09-26

如何从工厂内部的嵌套$http访问控制器内的响应。 这里我们有两个服务调用。我需要控制器中第二个服务调用的响应。我能够从控制器访问工厂以及工厂内部的响应，但是当涉及到控制器成功功能时，它显示未定义成功功能。

工厂代码：这里我调用嵌套$http服务调用

bosAppModule.factory("ServiceCalls",function($http){
    var ServiceCalls={};
    var createFilterString = function(crudObject, callback) {
        var filterString = "";
        var keyValuePairs = [];
        // iterate over the property
        for(var property in crudObject) {
            if(!(crudObject[property] instanceof Object)) {// if it is primitive type
                // check the value is not null or undefined
                if(crudObject[property] && crudObject[property] != "")
                    // added the key value string
                    keyValuePairs.push(property + "~;~" + crudObject[property]); 
            }
        }
        // add first key value pair
        if(keyValuePairs[0])
            filterString += keyValuePairs[0];
        // iterate over the key value strings
        for(var i = 1; i < keyValuePairs.length; i++) {
            filterString += "~$~" + keyValuePairs[i];
        }
        try {
            if(callback) callback(filterString);
        } catch(e) {
            console.log("Exception inside $dataTransactor->createFilterString" + e.message);
        }
    };
//  var headers = {Authorization: COOKIES.readCookie("Authorization"),requestmode:"ACK_URL"};
//  headers.isRender = file.isRender;
//  if(file.inputDataHeaders)
//      headers.inputData = file.inputDataHeaders;
    ServiceCalls.getData = function(filterObject, file){
        createFilterString(filterObject, function(filterString){
            var headers = {Authorization: COOKIES.readCookie("Authorization"),requestmode:"ACK_URL"};
            headers.isRender = file.isRender;
            if(file.inputDataHeaders)
                headers.inputData = file.inputDataHeaders;
            $http({
                method: 'GET',
                url: file.fileUrl + "/" + $securityComponent.cryptograghicFunctions.encryptor(filterString),
                headers: headers
            })
            .then(function(requestHandlerResponce) {
                console.log(requestHandlerResponce);
                $http({
                    method: 'GET',
                    url: requestHandlerResponce.data.links[1].href,
                    headers: headers
                }).then(function(responceHandlerResponce) {
                    console.log("##### : "+JSON.stringify(responceHandlerResponce.data));
                    return responceHandlerResponce;
                });
            })

        });
    };
    return ServiceCalls
});

控制器代码：这里我需要响应

bosAppModule
        .controller(
                "custom-entity-design-ctrl",
                function($scope, $document, $http, $localStorage, navigateEntityUrl, entityFormation,layoutDesignFactory, ServiceCalls) {   
                    var layoutDesignFac=new layoutDesignFactory();
                    var entityJson='{"entityInfo":{"entity":"","tenantId":"2b69af63-e2dc-43e5-9f0e-9fde52032d4c","timeStamp":"Tue Jun 16 2015 19:05:09 GMT+0530 (India Standard Time)"},"collections":{"Entity":{"meta":{"parentReference":"***","pkName":"***","fkName":"***"},"rowSet":[],"rowFilter":[]}}}';
                    var crudObject = {};
                    var file = { 
                        fileUrl: $config.UIMetaData,
                        inputDataHeaders: entityJson
                    }; 

                    ServiceCalls.getData(crudObject,file).success(function(response){console.log(response)});
});

您的服务应将承诺（在您的情况下为 $http 调用）返回给控制器：

return $http({              // return this promise
  method: 'GET',
  url: file.fileUrl + "/" + $securityComponent.cryptograghicFunctions.encryptor(filterString),
    headers: headers
}).then(function(requestHandlerResponce) {
  console.log(requestHandlerResponce);
  return $http({            // return this promise as well
    method: 'GET',
    url: requestHandlerResponce.data.links[1].href,
    headers: headers
}).then(function(responceHandlerResponce) {
  console.log("##### : "+JSON.stringify(responceHandlerResponce.data));
  return responceHandlerResponce;
});

为了保持一致性，请尝试使用标准.then方法，而不是控制器中的.success或.error：

ServiceCalls.getData(crudObject,file).then(function(response) {
  console.log(response)
});

最后一点无关紧要的说明，我认为"响应"在您的服务中拼写错误;)

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