J'ai le problème suivant, je dois ajouter une nouvelle paire clé et valeur à chaque objet de cette liste,
"O" : "PRISONER IN CUSTODY"}, ... "O": "Shoplifter/Quick Cite"}, .... "O": "Return TO Station"}, etc
Je veux ajouter "O":
O étant ma clé pour chaque objet d'en haut, et ma valeur étant n'importe laquelle de cette liste ARRIVE ON SCENE
PRISONNIER EN GARDE
PTU (TRANSPORT DES PRISONNIERS)
SHOPLIFTER / CITE RAPIDE
BORDERPRISONNIERTRANSPORT
RETOUR À LA GARE
TÉLÉPHONEZ VOTRE STATION
TÉLÉPHONEZ VOTRE MAISON
SÉCURISÉ, FIN DE CHAMP
VOL AUTOMATIQUE
EVAL-POSS VOL DE VOITURE NON SIGNALÉ
RAPPORT DE VOL DE VOITURE
RAPPORT DE RÉCUPÉRATION DE VOL DE VOITURE
TAMPERING AVEC VÉHICULE EN COURS
ALARME DU VÉHICULE / SONORE
ROULETTE DE VÉHICULE
TAMPERING AVEC RAPPORT DE VEH
RENCONTREZ L'OFFICIER 10-10
DÉCHARGEMENT DES ARMES À FEU
RÔDEUR
PERSONNE À BAS
RAPPORT DE CRIME OCCD MEXIQUE
VÉRIFIEZ LA ZONE
JEU DE BALLE DANS LA RUE (83 03MC)
APPEL TÉLÉPHONIQUE INCOMPLET
APPEL A L'AIDE
APPEL A L'AIDE-PANIQUE ALARME
APPEL D'AMBULANCE, SURDOSE
ressemblant idéalement à ceci
module.exports = [
{"A": "P17060024503", "B": "6/14/2017 21:54", "C": "4", "D": "10", "E": "", "F": "14TH", "G": "ST", "H": "10 14TH ST, San Diego, CA", "I": "1151", "J": "O", "K": "521", "L": "2", "M": "32.7054489", "N": "-117.1518696"},
{ "A": "P17030051227", "B": "3/29/2017 22:24", "C": "4", "D": "10", "E": "", "F": "14TH", "G": "ST", "H": "10 14TH ST, San Diego, CA", "I": "1016", "J": "A", "K": "521", "L": "2", "M": "32.7054544", "N": "-117.1467137"},
{ "A": "P17060004814", "B": "6/3/2017 18:04", "C": "7", "D": "10", "E": "", "F": "14TH", "G": "ST", "H": "10 14TH ST, San Diego, CA", "I": "1016", "J": "A", "K": "521", "L": "2", "M": "32.7053961", "N": "-117.1444185"},
{ "A": "P17030029336", "B": "3/17/2017 10:57", "C": "6", "D": "10", "E": "", "F": "14TH", "G": "ST", "H": "10 14TH ST, San Diego, CA", "I": "1151", "J": "OT", "K": "521", "L": "2", "M": "32.7054244", "N": "-117.1425917"},
{ "A": "P17030005412", "B": "3/3/2017 23:45", "C": "6", "D": "10", "E": "", "F": "15TH", "G": "ST", "H": "10 15TH ST, San Diego, CA", "I": "911P", "J": "CAN", "K": "521", "L": "2", "M": "32.7055067", "N": "-117.1405936"},
{ "A": "P17020016091", "B": "2/10/2017 8:23", "C": "6", "D": "10", "E": "", "F": "15TH", "G": "ST", "H": "10 15TH ST, San Diego, CA", "I": "AU2", "J": "W", "K": "521", "L": "2", "M": "32.7055067", "N": "-117.1405936"},
{ "A": "P17040017368", "B": "4/11/2017 4:57", "C": "3", "D": "10", "E": "", "F": "15TH", "G": "ST", "H": "10 15TH ST, San Diego, CA", "I": "5150", "J": "CAN", "K": "521", "L": "2", "M": "32.7055067", "N": "-117.1405936"},
{ "A": "P17030048050", "B": "3/28/2017 6:30", "C": "3", "D": "10", "E": "", "F": "15TH", "G": "ST", "H": "10 15TH ST, San Diego, CA", "I": "1146", "J": "K", "K": "521", "L": "", "M": "32.711212", "N": "-117.1336713"},
{ "A": "P17060037341", "B": "6/22/2017 10:19", "C": "5", "D": "10", "E": "", "F": "15TH", "G": "ST", "H": "10 15TH ST, San Diego, CA", "I": "242", "J": "K", "K": "521", "L": "1", "M": "32.7058661", "N": "-117.132085"},
{ "A": "P17060008467", "B": "6/5/2017 19:27", "C": "2", "D": "10", "E": "", "F": "15TH", "G": "ST", "H": "10 15TH ST, San Diego, CA", "I": "5150", "J": "K", "K": "521", "L": "2", "M": "32.7093133", "N": "-117.12756"},
6 Réponses :
Essayez avec Array # map et Array # forEach .
pas la structure de votre deuxième tableau, donc créé avec un objet tableau, puis mappez la valeur o` au tableau.
var arr =[
{"A": "P17060024503", "B": "6/14/2017 21:54", "C": "4", "D": "10", "E": "", "F": "14TH", "G": "ST", "H": "10 14TH ST, San Diego, CA", "I": "1151", "J": "O", "K": "521", "L": "2", "M": "32.7054489", "N": "-117.1518696"},
{ "A": "P17030051227", "B": "3/29/2017 22:24", "C": "4", "D": "10", "E": "", "F": "14TH", "G": "ST", "H": "10 14TH ST, San Diego, CA", "I": "1016", "J": "A", "K": "521", "L": "2", "M": "32.7054544", "N": "-117.1467137"}
];
var arr2 = [{'ss':'sss','o':'something1'},{'hh':'dd','o':'something2'}]
arr2_filter_o = arr2.map(a=> a.o);
//its like ['something1','something2']
arr.forEach((a,b)=> {
a['o']=arr2_filter_o[b];
})
console.log(arr)
de toute façon comment randomiser les données en tant que valeur de cette liste que j'ai publiée de codes de crime? au fait est-ce que quelqu'un sait où je peux générer un tableau en collant simplement les crimes
quel format de votre type de données est tableau [2,3] ou objet [{w}, {e}] . Voir mon commentaire dans l'extrait de code
Puisque vous souhaitez ajouter un élément de la liste, il suffit de le mapper comme ceci:
.as-console-wrapper { max-height: 100% !important; top: 0; }
var data = [{
"A": "P17060024503",
"B": "6/14/2017 21:54",
"C": "4",
"D": "10",
"E": "",
"F": "14TH",
"G": "ST",
"H": "10 14TH ST, San Diego, CA",
"I": "1151",
"J": "O",
"K": "521",
"L": "2",
"M": "32.7054489",
"N": "-117.1518696"
}, {
"A": "P17030051227",
"B": "3/29/2017 22:24",
"C": "4",
"D": "10",
"E": "",
"F": "14TH",
"G": "ST",
"H": "10 14TH ST, San Diego, CA",
"I": "1016",
"J": "A",
"K": "521",
"L": "2",
"M": "32.7054544",
"N": "-117.1467137"
}, {
"A": "P17060004814",
"B": "6/3/2017 18:04",
"C": "7",
"D": "10",
"E": "",
"F": "14TH",
"G": "ST",
"H": "10 14TH ST, San Diego, CA",
"I": "1016",
"J": "A",
"K": "521",
"L": "2",
"M": "32.7053961",
"N": "-117.1444185"
}, {
"A": "P17030029336",
"B": "3/17/2017 10:57",
"C": "6",
"D": "10",
"E": "",
"F": "14TH",
"G": "ST",
"H": "10 14TH ST, San Diego, CA",
"I": "1151",
"J": "OT",
"K": "521",
"L": "2",
"M": "32.7054244",
"N": "-117.1425917"
}, {
"A": "P17030005412",
"B": "3/3/2017 23:45",
"C": "6",
"D": "10",
"E": "",
"F": "15TH",
"G": "ST",
"H": "10 15TH ST, San Diego, CA",
"I": "911P",
"J": "CAN",
"K": "521",
"L": "2",
"M": "32.7055067",
"N": "-117.1405936"
}, {
"A": "P17020016091",
"B": "2/10/2017 8:23",
"C": "6",
"D": "10",
"E": "",
"F": "15TH",
"G": "ST",
"H": "10 15TH ST, San Diego, CA",
"I": "AU2",
"J": "W",
"K": "521",
"L": "2",
"M": "32.7055067",
"N": "-117.1405936"
}, {
"A": "P17040017368",
"B": "4/11/2017 4:57",
"C": "3",
"D": "10",
"E": "",
"F": "15TH",
"G": "ST",
"H": "10 15TH ST, San Diego, CA",
"I": "5150",
"J": "CAN",
"K": "521",
"L": "2",
"M": "32.7055067",
"N": "-117.1405936"
}, {
"A": "P17030048050",
"B": "3/28/2017 6:30",
"C": "3",
"D": "10",
"E": "",
"F": "15TH",
"G": "ST",
"H": "10 15TH ST, San Diego, CA",
"I": "1146",
"J": "K",
"K": "521",
"L": "",
"M": "32.711212",
"N": "-117.1336713"
}, {
"A": "P17060037341",
"B": "6/22/2017 10:19",
"C": "5",
"D": "10",
"E": "",
"F": "15TH",
"G": "ST",
"H": "10 15TH ST, San Diego, CA",
"I": "242",
"J": "K",
"K": "521",
"L": "1",
"M": "32.7058661",
"N": "-117.132085"
}, {
"A": "P17060008467",
"B": "6/5/2017 19:27",
"C": "2",
"D": "10",
"E": "",
"F": "15TH",
"G": "ST",
"H": "10 15TH ST, San Diego, CA",
"I": "5150",
"J": "K",
"K": "521",
"L": "2",
"M": "32.7093133",
"N": "-117.12756"
}];
var newItems = [
"ARRIVE ON SCENE",
"PRISONER IN CUSTODY",
"PTU (PRISONER TRANSPORT)",
"SHOPLIFTER/QUICK CITE",
"BORDERPRISONERTRANSPORT",
"RETURN TO STATION",
"PHONE YOUR STATION",
"PHONE YOUR HOME",
"SECURE, END OF SHIFT",
"AUTO THEFT",
"EVAL-POSS UNREPORTED CAR THEFT",
"CAR THEFT REPORT",
"CAR THEFT RECOVERY REPORT",
"TAMPERING W/VEH IN PROGRESS",
"VEHICLE ALARM/AUDIBLE",
"VEHICLE CASER",
"TAMPERING W/VEH REPORT",
"MEET OFFICER 10-10",
"DISCHARGING FIREARMS",
"PROWLER",
"PERSON DOWN",
"REPORT OF CRIME OCCD MEXICO",
"CHECK THE AREA",
"BALL GAME IN STREET(83 03MC)",
"INCOMPLETE PHONE CALL",
"CALLING FOR HELP",
"CALLING FOR HELP-PANIC ALARM",
"AMBULANCE CALL, OVERDOSE"
];
var output = data.map(function(o) {
o.O = newItems[Math.floor(Math.random() * newItems.length)];
return o;
});
console.log(output);
Syntaxe ES5:
.as-console-wrapper { max-height: 100% !important; top: 0; }
const data = [{
"A": "P17060024503",
"B": "6/14/2017 21:54",
"C": "4",
"D": "10",
"E": "",
"F": "14TH",
"G": "ST",
"H": "10 14TH ST, San Diego, CA",
"I": "1151",
"J": "O",
"K": "521",
"L": "2",
"M": "32.7054489",
"N": "-117.1518696"
}, {
"A": "P17030051227",
"B": "3/29/2017 22:24",
"C": "4",
"D": "10",
"E": "",
"F": "14TH",
"G": "ST",
"H": "10 14TH ST, San Diego, CA",
"I": "1016",
"J": "A",
"K": "521",
"L": "2",
"M": "32.7054544",
"N": "-117.1467137"
}, {
"A": "P17060004814",
"B": "6/3/2017 18:04",
"C": "7",
"D": "10",
"E": "",
"F": "14TH",
"G": "ST",
"H": "10 14TH ST, San Diego, CA",
"I": "1016",
"J": "A",
"K": "521",
"L": "2",
"M": "32.7053961",
"N": "-117.1444185"
}, {
"A": "P17030029336",
"B": "3/17/2017 10:57",
"C": "6",
"D": "10",
"E": "",
"F": "14TH",
"G": "ST",
"H": "10 14TH ST, San Diego, CA",
"I": "1151",
"J": "OT",
"K": "521",
"L": "2",
"M": "32.7054244",
"N": "-117.1425917"
}, {
"A": "P17030005412",
"B": "3/3/2017 23:45",
"C": "6",
"D": "10",
"E": "",
"F": "15TH",
"G": "ST",
"H": "10 15TH ST, San Diego, CA",
"I": "911P",
"J": "CAN",
"K": "521",
"L": "2",
"M": "32.7055067",
"N": "-117.1405936"
}, {
"A": "P17020016091",
"B": "2/10/2017 8:23",
"C": "6",
"D": "10",
"E": "",
"F": "15TH",
"G": "ST",
"H": "10 15TH ST, San Diego, CA",
"I": "AU2",
"J": "W",
"K": "521",
"L": "2",
"M": "32.7055067",
"N": "-117.1405936"
}, {
"A": "P17040017368",
"B": "4/11/2017 4:57",
"C": "3",
"D": "10",
"E": "",
"F": "15TH",
"G": "ST",
"H": "10 15TH ST, San Diego, CA",
"I": "5150",
"J": "CAN",
"K": "521",
"L": "2",
"M": "32.7055067",
"N": "-117.1405936"
}, {
"A": "P17030048050",
"B": "3/28/2017 6:30",
"C": "3",
"D": "10",
"E": "",
"F": "15TH",
"G": "ST",
"H": "10 15TH ST, San Diego, CA",
"I": "1146",
"J": "K",
"K": "521",
"L": "",
"M": "32.711212",
"N": "-117.1336713"
}, {
"A": "P17060037341",
"B": "6/22/2017 10:19",
"C": "5",
"D": "10",
"E": "",
"F": "15TH",
"G": "ST",
"H": "10 15TH ST, San Diego, CA",
"I": "242",
"J": "K",
"K": "521",
"L": "1",
"M": "32.7058661",
"N": "-117.132085"
}, {
"A": "P17060008467",
"B": "6/5/2017 19:27",
"C": "2",
"D": "10",
"E": "",
"F": "15TH",
"G": "ST",
"H": "10 15TH ST, San Diego, CA",
"I": "5150",
"J": "K",
"K": "521",
"L": "2",
"M": "32.7093133",
"N": "-117.12756"
}];
const newItems = [
"ARRIVE ON SCENE",
"PRISONER IN CUSTODY",
"PTU (PRISONER TRANSPORT)",
"SHOPLIFTER/QUICK CITE",
"BORDERPRISONERTRANSPORT",
"RETURN TO STATION",
"PHONE YOUR STATION",
"PHONE YOUR HOME",
"SECURE, END OF SHIFT",
"AUTO THEFT",
"EVAL-POSS UNREPORTED CAR THEFT",
"CAR THEFT REPORT",
"CAR THEFT RECOVERY REPORT",
"TAMPERING W/VEH IN PROGRESS",
"VEHICLE ALARM/AUDIBLE",
"VEHICLE CASER",
"TAMPERING W/VEH REPORT",
"MEET OFFICER 10-10",
"DISCHARGING FIREARMS",
"PROWLER",
"PERSON DOWN",
"REPORT OF CRIME OCCD MEXICO",
"CHECK THE AREA",
"BALL GAME IN STREET(83 03MC)",
"INCOMPLETE PHONE CALL",
"CALLING FOR HELP",
"CALLING FOR HELP-PANIC ALARM",
"AMBULANCE CALL, OVERDOSE"
];
const output = data.map(o => ({ ...o,
O: newItems[Math.floor(Math.random() * newItems.length)]
}));
console.log(output);
Wow ! comment avez-vous séparé par des virgules et formaté le tableau newItems ??
J'ai ajouté des virgules et des guillemets - n'est-ce pas ce que vous vouliez? Oh - Les extraits de code ont une option d'édition en masse - lorsque vous cliquez sur commande, cela crée un nouveau curseur.
ok merci c'était super, j'ai en fait une plus grande liste de 300 éléments mais je veux en faire un tableau comme vous l'avez fait mais je ne trouve pas l'option d'édition en masse
Voici comment procéder: accédez au dernier élément du tableau, cliquez sur la commande au début de la ligne, cliquez sur la commande au début de chaque élément du tableau, insérez un devis, allez à la fin de l'élément, insérez un autre quote, insérez une virgule.
Aussi @DavidArriaga si ma réponse a résolu votre problème, veuillez le marquer comme accepté en cliquant sur la coche grise à gauche de ma réponse.
Ceci est un lien vers ma liste d'éléments textuploader.com/1563e , je ne veux pas paraître stupide, mais honnêtement impossible de trouver où ajouter les virgules et les guillemets. Si vous pouviez mettre en forme une liste d'éléments, je vous serais très reconnaissant
et oui ta solution répond à ma question
Faites ceci. Quel est votre problème, vraiment?
var arr = [/*your array*/];
function getRandomO() {/*returns your random O*/}
arr.forEach(v=>v.O = getRandomO());
module.exports = arr;
Si vous utilisez JSON, faites JSON.stringify (arr) dans la console et copypast le résultat.
Vous pouvez stocker votre nouvelle liste dans le tableau
module.exports.forEach((item,index)=>{item['O']=oValues[index]})
Et puis attribuer des valeurs de oValues à la liste principale comme ci-dessous
oValues=[ 'ARRIVE ON SCENE', 'PRISONER IN CUSTODY', 'PTU (PRISONER TRANSPORT)' . . .]
En supposant que vous devez attribuer la valeur 'O' sequentilay
Vous pouvez utiliser une boucle .forEach pour ajouter un attribut O à chacun de vos objets dans les exportations. Ce sera linéaire (O (N)) car vous n'effectuez une itération sur vos objets qu'une fois.
.as-console-wrapper {max-height: 100% !important; top: 0;} /* ignore css */
const crimes = ["ARRIVE ON SCENE", "PRISONER IN CUSTODY", "PTU (PRISONER TRANSPORT)", "SHOPLIFTER/QUICK CITE", "BORDERPRISONERTRANSPORT", "RETURN TO STATION", "PHONE YOUR STATION", "PHONE YOUR HOME", "SECURE, END OF SHIFT", "AUTO THEFT", "EVAL-POSS UNREPORTED CAR THEFT", "CAR THEFT REPORT", "CAR THEFT RECOVERY REPORT", "TAMPERING W/VEH IN PROGRESS", "VEHICLE ALARM/AUDIBLE", "VEHICLE CASER", "TAMPERING W/VEH REPORT", "MEET OFFICER 10-10", "DISCHARGING FIREARMS", "PROWLER", "PERSON DOWN", "REPORT OF CRIME OCCD MEXICO", "CHECK THE AREA", "BALL GAME IN STREET(83 03MC)", "INCOMPLETE PHONE CALL", "CALLING FOR HELP", "CALLING FOR HELP-PANIC ALARM", "AMBULANCE CALL, OVERDOSE"];
const exports = [{A:"P17060024503",B:"6/14/2017 21:54",C:"4",D:"10",E:"",F:"14TH",G:"ST",H:"10 14TH ST, San Diego, CA",I:"1151",J:"O",K:"521",L:"2",M:"32.7054489",N:"-117.1518696"},{A:"P17030051227",B:"3/29/2017 22:24",C:"4",D:"10",E:"",F:"14TH",G:"ST",H:"10 14TH ST, San Diego, CA",I:"1016",J:"A",K:"521",L:"2",M:"32.7054544",N:"-117.1467137"},{A:"P17060004814",B:"6/3/2017 18:04",C:"7",D:"10",E:"",F:"14TH",G:"ST",H:"10 14TH ST, San Diego, CA",I:"1016",J:"A",K:"521",L:"2",M:"32.7053961",N:"-117.1444185"},{A:"P17030029336",B:"3/17/2017 10:57",C:"6",D:"10",E:"",F:"14TH",G:"ST",H:"10 14TH ST, San Diego, CA",I:"1151",J:"OT",K:"521",L:"2",M:"32.7054244",N:"-117.1425917"},{A:"P17030005412",B:"3/3/2017 23:45",C:"6",D:"10",E:"",F:"15TH",G:"ST",H:"10 15TH ST, San Diego, CA",I:"911P",J:"CAN",K:"521",L:"2",M:"32.7055067",N:"-117.1405936"},{A:"P17020016091",B:"2/10/2017 8:23",C:"6",D:"10",E:"",F:"15TH",G:"ST",H:"10 15TH ST, San Diego, CA",I:"AU2",J:"W",K:"521",L:"2",M:"32.7055067",N:"-117.1405936"},{A:"P17040017368",B:"4/11/2017 4:57",C:"3",D:"10",E:"",F:"15TH",G:"ST",H:"10 15TH ST, San Diego, CA",I:"5150",J:"CAN",K:"521",L:"2",M:"32.7055067",N:"-117.1405936"},{A:"P17030048050",B:"3/28/2017 6:30",C:"3",D:"10",E:"",F:"15TH",G:"ST",H:"10 15TH ST, San Diego, CA",I:"1146",J:"K",K:"521",L:"",M:"32.711212",N:"-117.1336713"},{A:"P17060037341",B:"6/22/2017 10:19",C:"5",D:"10",E:"",F:"15TH",G:"ST",H:"10 15TH ST, San Diego, CA",I:"242",J:"K",K:"521",L:"1",M:"32.7058661",N:"-117.132085"},{A:"P17060008467",B:"6/5/2017 19:27",C:"2",D:"10",E:"",F:"15TH",G:"ST",H:"10 15TH ST, San Diego, CA",I:"5150",J:"K",K:"521",L:"2",M:"32.7093133",N:"-117.12756"}];
exports.forEach(obj => {
const randomIndex = Math.floor(Math.random() * crimes.length);
obj["O"] = crimes[randomIndex];
});
console.log(exports);
Décomposer la solution en une liste de tableaux associatifs, ou dictionnaires:
list[n]['key'] = value
let text = ['PRISONER IN CUSTODY', 'PTU (PRISONER TRANSPORT)' ... ]
for(t in text) {
let key = 'O'
let value = text[t]
list[t][key] = value
}
Accès au nième élément de ce tableau: list [n] Ainsi, si vous souhaitez ajouter une nouvelle paire clé / valeur à l'index n:
let list = [{},{},{} ... ]
La valeur de
Oest-elle un élément aléatoire de votre liste ou est-elle basée sur l'index de l'objet?Désolé, mais
BALL GAME IN STREET (83 03MC)est assez drôle dans le contexte de cette liste.@NickParsons cela peut être un élément aléatoire pour le moment, en réalité si vous regardez mon "I": "1151" dans mon objet, cela devrait correspondre à mon certain code criminel, mais pour l'instant cela peut être un élément aléatoire de la liste , toute idée de la façon de faire correspondre chaque crime avec le code correspondant sans utiliser autant de si elses.
@DavidArriaga vous pouvez utiliser un autre objet. Mais quels sont les codes de crime pour chacun des crimes que vous avez énumérés?
@ggorlen haha ses données sur la criminalité, il peut s'agir littéralement de personnes jouant au basket-ball dans la rue
Vous voulez que les éléments se répètent ou pas?
@MaheerAli oui c'est bien pour le moment