[对象对象]可以't确定并显示在控制台中
The [object object] can't be determined and shown in console
我有一个函数,它返回类似[object object]的东西,没有我想要的值,我几乎做了所有的事情来获得值,但没有希望。
当我尝试使用toSource()显示该对象时,我得到了类似的结果。
({state:(function (){return state;}), always:(function (){deferred.done(arguments).fail(arguments);return this;}), then:(function (){var fns=arguments;return jQuery.Deferred(function(newDefer){jQuery.each(tuples,function(i,tuple){var action=tuple[0],fn=fns[i];deferred[tuple[1]](jQuery.isFunction(fn)?function(){var returned=fn.apply(this,arguments);if(returned&&jQuery.isFunction(returned.promise)){returned.promise().done(newDefer.resolve).fail(newDefer.reject).progress(newDefer.notify);}else{newDefer[action+"With"](this===deferred?newDefer:this,[returned]);}}:newDefer[action]);});fns=null;}).promise();}), promise:(function (obj){return obj!=null?jQuery.extend(obj,promise):promise;}), pipe:(function (){var fns=arguments;return jQuery.Deferred(function(newDefer){jQuery.each(tuples,function(i,tuple){var action=tuple[0],fn=fns[i];deferred[tuple[1]](jQuery.isFunction(fn)?function(){var returned=fn.apply(this,arguments);if(returned&&jQuery.isFunction(returned.promise)){returned.promise().done(newDefer.resolve).fail(newDefer.reject).progress(newDefer.notify);}else{newDefer[action+"With"](this===deferred?newDefer:this,[returned]);}}:newDefer[action]);});fns=null;}).promise();}), done:(function (){if(list){var start=list.length;(function add(args){jQuery.each(args,function(_,arg){var type=jQuery.type(arg);if(type==="function"){if(!options.unique||!self.has(arg)){list.push(arg);}}else if(arg&&arg.length&&type!=="string"){add(arg);}});})(arguments);if(firing){firingLength=list.length;}else if(memory){firingStart=start;fire(memory);}}
return this;}), fail:(function (){if(list){var start=list.length;(function add(args){jQuery.each(args,function(_,arg){var type=jQuery.type(arg);if(type==="function"){if(!options.unique||!self.has(arg)){list.push(arg);}}else if(arg&&arg.length&&type!=="string"){add(arg);}});})(arguments);if(firing){firingLength=list.length;}else if(memory){firingStart=start;fire(memory);}}
return this;}), progress:(function (){if(list){var start=list.length;(function add(args){jQuery.each(args,function(_,arg){var type=jQuery.type(arg);if(type==="function"){if(!options.unique||!self.has(arg)){list.push(arg);}}else if(arg&&arg.length&&type!=="string"){add(arg);}});})(arguments);if(firing){firingLength=list.length;}else if(memory){firingStart=start;fire(memory);}}
return this;})})
有人能解释一下吗?我知道我的函数是异步的。
如何解决这个问题?
这是我的代码:
module.Order = Backbone.Model.extend({
initialize: function (attributes) {
Backbone.Model.prototype.initialize.apply(this, arguments);
this.pos = attributes.pos;
this.sequence_number = this.pos.pos_session.sequence_number++;
debugger;
var odoo = []
var call = this
this.uid = this.generateUniqueId();
this.pro = this.get_the_other_main().done(
function (result) {
}).always(function (result) {
odoo.push(result)
call.set({
creationDate: new Date(),
orderLines: new module.OrderlineCollection(),
paymentLines: new module.PaymentlineCollection(),
name: _t("Order ") + this.uid,
client: null,
sales_person: null,
sales_person_name: null,
new_id: odoo[0]
})});
alert(odoo[0])//// Must be adddddedd
this.selected_orderline = undefined;
this.selected_paymentline = undefined;
this.screen_data = {}; // see ScreenSelector
this.receipt_type = 'receipt'; // 'receipt' || 'invoice'
this.temporary = attributes.temporary || false;
return this;
},
get_the_other_main: function () {
var dfd = new jQuery.Deferred();
new instance.web.Model("pos.order").call('get_the_product', []).done(
function (results) {
var result = results.toString().split(',');
var stringsl = result[1];
var thenum = stringsl.replace(/^'D+/g, '');
var sasa = parseInt(thenum, 10) + 1
var zika = ('00' + sasa).slice(-4)
var the_str = result[1].slice(0, -4).toString();
var new_seq_sasa = the_str + zika
dfd.resolve(new_seq_sasa);
}).always(function(results) {
var result = results.toString().split(',');
var stringsl = result[1];
var thenum = stringsl.replace(/^'D+/g, '');
var sasa = parseInt(thenum, 10) + 1
var zika = ('00' + sasa).slice(-4)
var the_str = result[1].slice(0, -4).toString();
var new_seq_sasa = the_str + zika
dfd.resolve(new_seq_sasa);
}).always(function(results) {
var result = results.toString().split(',');
var stringsl = result[1];
var thenum = stringsl.replace(/^'D+/g, '');
var sasa = parseInt(thenum, 10) + 1
var zika = ('00' + sasa).slice(-4)
var the_str = result[1].slice(0, -4).toString();
var new_seq_sasa = the_str + zika
dfd.resolve(new_seq_sasa);
});
alert('')////If i remove that it will return undefind for this.pos
return dfd
您似乎有异步调用的问题
(参见下面的评论)
// you call get_the_other_main which return a Promise !
this.get_the_other_main().then(
function (result) {
// when the Promise resolve you set this.pro,
// what is this here ?? are you sure of the beahviour ?
// |
// V
this.pro=result//got it right <---------------------- +
// |
// |
});// |
// You set this.pro to another Promise, at this moment the previous this.pro is not set !
this.pro=this.get_the_other_main().then(
function (result) {
this.pro=result //got it right <----------------------------------------+
}); // |
// when you call alert, this.pro is a Promise not resolved !at this moment the previous this.pro is not set !
alert(this.pro.toSource()) //[object object]
// logicaly it show the code source of your deffered / Promise !
要解决您的问题,请这样尝试:
module.Order = Backbone.Model.extend({
initialize: function(attributes) {
var curOrder = this;
Backbone.Model.prototype.initialize.apply(this, arguments);
this.pos = attributes.pos;
this.sequence_number = this.pos.pos_session.sequence_number++;
debugger; // ??????
this.uid = this.generateUniqueId();
var odoo = []
this.get_the_other_main().then(
function(result) {
curOrder.pro = result; //got it right
curOrder.set({
creationDate : new Date(),
orderLines : new module.OrderlineCollection(),
paymentLines : new module.PaymentlineCollection(),
name : _t("Order ") + curOrder.uid,
client : null,
sales_person : null,
sales_person_name: null,
new_id : curOrder.pro
});
curOrder.selected_orderline = undefined;
curOrder.selected_paymentline = undefined;
curOrder.screen_data = {}; // see ScreenSelector
curOrder.receipt_type = 'receipt'; // 'receipt' || 'invoice'
curOrder.temporary = attributes.temporary || false;
curOrder.trigger('orderready' , curOrder);
});
return this;
// be careful because the process above is not done again, when you return this, it will be resolved later
},
get_the_other_main: function() {
var dfd = new jQuery.Deferred();
new instance.web.Model("pos.order").call('get_the_product', []).done(
function(results) {
var result = results.toString().split(',');
var stringsl = result[1];
var thenum = stringsl.replace(/^'D+/g, '');
var sasa = parseInt(thenum, 10) + 1
var zika = ('00' + sasa).slice(-4)
var the_str = result[1].slice(0, -4).toString();
var new_seq_sasa = the_str + zika
dfd.resolve(new_seq_sasa);
});
return dfd
},
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