如何从github解析csv？

Question

jQuery.ajax({
    url: "https://raw.githubusercontent.com/CSSEGISandData/COVID-19/master/csse_covid_19_data/csse_covid_19_time_series/time_series_19-covid-Confirmed.csv",
    type: 'get',
    dataType: 'json',
    success: function(data) {
        console.log(data);
    },
    error: function(jqXHR, textStatus, errorThrow){
        alert("Error: " + jqXHR['responseText']);
    }
});

我需要输出格式为 json 但它会出错，基本上是试图解析这个

https://raw.githubusercontent.com/CSSEGISandData/COVID-19/master/csse_covid_19_data/csse_covid_19_time_series/time_series_19-covid-Confirmed.csv

更新

他们改变了链接

https://raw.githubusercontent.com/CSSEGISandData/COVID-19/master/csse_covid_19_data/csse_covid_19_time_series/time_series_covid19_confirmed_global.csv

Answer 1

解析 CSV 并不总是像做 那样简单"...".split(',')。这里的文件就是一个完美的例子。某些字段包含,, 因此用引号括起来。

我建议使用Papa Parse来为你处理。我以前用过很多次，它让我省了很多头痛！

$.ajax({
    url: "https://raw.githubusercontent.com/CSSEGISandData/COVID-19/6eae5b65a32b679efacf95a2867648330f83a871/csse_covid_19_data/csse_covid_19_time_series/time_series_19-covid-Confirmed.csv",
    success: function(csv) {
        const output = Papa.parse(csv, {
          header: true, // Convert rows to Objects using headers as properties
        });
        if (output.data) {
          console.log(output.data);
        } else {
          console.log(output.errors);
        }
    },
    error: function(jqXHR, textStatus, errorThrow){
        console.log(textStatus);
    }
});

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/PapaParse/5.1.0/papaparse.min.js"></script>