合并具有相同“键"的JSON对象并添加它们的“值"使用JavaScript [英] Merge JSON Object with same "key" and add their "value" using JavaScript
本文介绍了合并具有相同“键"的JSON对象并添加它们的“值"使用JavaScript的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我的JSON看起来像这样
My JSON looks like this
{"rows":[
{"key":["zeit.de"],"value":98},
{"key":["google.com"],"value":49},
{"key":["spiegel.de"],"value":20},
{"key":["spiegel.de"],"value":12},
{"key":["spiegel.de"],"value":20},
{"key":["spiegel.de"],"value":12},
{"key":["netmng.com"],"value":49},
{"key":["zeit.de"],"value":300}
]}
我正在寻找一种解决方案,用于合并所有相同的键,并将合并后的键的值相加在一起,以得到如下所示的内容.
and I am looking for a solution to merge all the same keys and add the values of the merged keys together to get something looking like this.
{"rows":[
{"key":["zeit.de"],"value":398},
{"key":["google.com"],"value":49},
{"key":["spiegel.de"],"value":54},
{"key":["netmng.com"],"value":49}
]}
感谢您的回答.
推荐答案
var json = '{"rows":[{"key":["zeit.de"],"value":98},{"key":["google.com"],"value":49},{"key":["spiegel.de"],"value":20},{"key":["spiegel.de"],"value":12},{"key":["spiegel.de"],"value":20},{"key":["spiegel.de"],"value":12},{"key":["netmng.com"],"value":49},{"key":["zeit.de"],"value":300}]}';
var obj = JSON.parse(json);
var newObj = {};
for(i in obj['rows']){
var item = obj['rows'][i];
if(newObj[item.key[0]] === undefined){
newObj[item.key[0]] = 0;
}
newObj[item.key[0]] += item.value;
}
var result = {};
result.rows = [];
for(i in newObj){
result.rows.push({'key':i,'value':newObj[i]});
}
console.log(result);
https://jsfiddle.net/s8rp84qc/
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