Javascript 2如何使用下划线比较2个JSON的所有属性(一个除外)?
我使用的是下划线js的u.isFilter方法。如果我想检查两个JSON是否相同,它就可以完美地工作。但我面临一个小问题:在一个JS中,我也有$$hashKey作为属性,而在另一个JS中,它不存在。我如何比较2个JSON的所有属性,除了一个属性,即$$hashKeyJavascript 2如何使用下划线比较2个JSON的所有属性(一个除外)?,javascript,json,angularjs,underscore.js,Javascript,Json,Angularjs,Underscore.js,我使用的是下划线js的u.isFilter方法。如果我想检查两个JSON是否相同,它就可以完美地工作。但我面临一个小问题:在一个JS中,我也有$$hashKey作为属性,而在另一个JS中,它不存在。我如何比较2个JSON的所有属性,除了一个属性,即$$hashKey $rootScope.jsonOfHRA = $scope.setFileNameAndOtherProperties($rootScope.jsonOfHRA); globalJsonHRA = JSON.parse(JSON.
$rootScope.jsonOfHRA = $scope.setFileNameAndOtherProperties($rootScope.jsonOfHRA);
globalJsonHRA = JSON.parse(JSON.stringify($rootScope.jsonOfHRA));
//This is how I make a deep copy of JSON
JSONOFHRA=
{
"toShowVerified": 0,
"sec10_decl_id": 390,
"toShowEdit": 0,
"toShowlineItemEditable": true,
"edit": false,
"sec10_decl_act_val": 0,
"sec10_decl_other_text1": "asdsa",
"sec10_decl_other_text2": "3434",
"sec10_decl_other_text3": "adasda",
"sec10_decl_decl_from_dt": "01/05/2014",
"sec10_decl_status": 0,
"sec10_decl_yr_end": "2015-03-31",
"sec10_decl_yr_id": 2014,
"listOfAttachments": [],
"nameOfPayheadToShow": "HRA",
"sec10_decl_proof": 0,
"sec10_decl_ver_val": 0,
"sec10_decl_yr_st": "2014-04-01",
"sec10_decl_cust_id": 315,
"add": false,
"sec10_decl_curr_id": 0,
"sec10_decl_mod_on": "2014-10-28 12:46:14.0",
"sec10_decl_add_on": "2014-10-28 12:38:49.0",
"sec10_decl_decl_to_dt": "30/06/2014",
"sec10_decl_user_id": 32967,
"sec10_decl_active": 0,
"sec10_decl_decl_val": 1234,
"sec10_decl_head_id": 3,
"sec10_decl_decl_text": "Delhi",
"$$hashKey": "19I"
}
GLOBALJSON =
{
"toShowVerified": 0,
"sec10_decl_id": 390,
"toShowEdit": 0,
"toShowlineItemEditable": true,
"edit": false,
"sec10_decl_act_val": 0,
"sec10_decl_other_text1": "asdsa",
"sec10_decl_other_text2": "3434",
"sec10_decl_other_text3": "adasda",
"sec10_decl_decl_from_dt": "01/05/2014",
"sec10_decl_status": 0,
"sec10_decl_yr_end": "2015-03-31",
"sec10_decl_yr_id": 2014,
"listOfAttachments": [],
"nameOfPayheadToShow": "HRA",
"sec10_decl_proof": 0,
"sec10_decl_ver_val": 0,
"sec10_decl_yr_st": "2014-04-01",
"sec10_decl_cust_id": 315,
"add": false,
"sec10_decl_curr_id": 0,
"sec10_decl_mod_on": "2014-10-28 12:46:14.0",
"sec10_decl_add_on": "2014-10-28 12:38:49.0",
"sec10_decl_decl_to_dt": "30/06/2014",
"sec10_decl_user_id": 32967,
"sec10_decl_active": 0,
"sec10_decl_decl_val": 1234,
"sec10_decl_head_id": 3,
"sec10_decl_decl_text": "Delhi"
}
//This is how I am comparing
if(_.isEqual(modifiedJson[i], GlobalUnmodifiedJson[j])){
var idOfUnmodifiedLineItem = modifiedJson[i]["sec10_decl_id"];
alert("Coming here in realm of unmodified of modifed");
modifiedJson = _.filter(modifiedJson, function(item) {
return item.id !== idOfUnmodifiedLineItem;
});
您可以使用
\省略功能,在字符串化之前取出您不想比较的键:
从:
省略\省略(对象,*键)
返回对象的副本,过滤到
省略黑名单中的键(或键数组)。或者接受
指示要忽略哪些键的谓词
在您的例子中,您可以从JSON创建对象,省略$$hashKey
属性,然后进行比较
_.omit({name: 'moe', age: 50, userid: 'moe1'}, 'userid');
=> {name: 'moe', age: 50}
_.omit({name: 'moe', age: 50, userid: 'moe1'}, function(value, key, object) {
return _.isNumber(value);
});
=> {name: 'moe', userid: 'moe1'}