我正在尝试测试d3的d3.csv()csv读取功能,但仍然出现错误
{ 'Error: read ECONNRESET': ' at exports._errnoException (util.js:1050:11)' }
我的测试脚本test1.js
位于反应应用目录中。
admin:reactStockCharts jvr23$ tree -L 1
.
├── BCHARTS-BITSTAMPUSD.csv
├── README.md
├── node_modules
├── package-lock.json
├── package.json
├── public
├── reactStockCharts.sublime-project
├── reactStockCharts.sublime-workspace
├── src
└── test1.js
测试csv文件BCHARTS-BITSTAMPUSD.csv
位于同一目录中。内容如下:
Date,Open,High,Low,Close,Volume (BTC),Volume (Currency),Weighted Price
2017-07-11,2326.12,2399.0,2242.62,2336.78,16815.9742946,39367980.6825,2341.10614068
2017-07-10,2504.0,2527.88,2261.85,2323.45,17296.3404527,41650843.7716,2408.07261429
2017-07-09,2550.13,2564.65,2500.5,2502.28,4483.14413363,11362427.9698,2534.47750755
2017-07-08,2501.46,2555.0,2462.0,2550.07,5405.89088691,13584489.5168,2512.90486637
2017-07-07,2599.01,2605.0,2475.0,2501.46,9430.6154578,23870564.3605,2531.17778658
test1.js
脚本内容:
var d3 = require("d3");
d3.csv("BCHARTS-BITSTAMPUSD.csv", function(err, data) {
console.log(err);
console.log(data[0]);
});
执行脚本然后给出
admin:reactStockCharts jvr23$ node test1.js
null
{ 'Error: read ECONNRESET': ' at exports._errnoException (util.js:1050:11)' }
d3软件包之前通过$ npm i d3
成功安装。
答案 0 :(得分:0)
我能够通过替换
解决问题select *
from ci_infoobjects
where si_schedule_status = 9
and si_kind = 'publication'
具有完整路径规范
var d3 = require("d3");
d3.csv("BCHARTS-BITSTAMPUSD.csv", function(err, data) {
console.log(err);
console.log(data[0]);
});
答案 1 :(得分:0)
var d3 = require("d3");
d3.csv("file:///full/path/to/BCHARTS-BITSTAMPUSD.csv", function(err, data) {
console.log(err);
console.log(data);
});
当您想在线部署它时,不是解决方案,因为路径会发生变化。您应该使用相对路径,如下所述:https://coderwall.com/p/8nhqeg/relative-paths-from-the-root-in-javascript
答案 2 :(得分:0)
您可以使用path
模块获取绝对网址
var path = require("path");
var d3 = require("d3");
d3.csv(path.resolve("BCHARTS-BITSTAMPUSD.csv"), function(err, data) {
console.log(err);
console.log(data);
});