使用javascript搜索和匹配CSV文件值 [英] Search and match CSV file values with javascript
问题描述
我已通过javascript将CSV文件上传到HTML页面。 CSV行为: name
和 email-address
,例如 rambo,rambo @ rambo.com
。
I've uploaded a CSV-file to an HTML page via javascript. The CSV rows are: name
and email-address
, e.g. rambo,rambo@rambo.com
.
如何搜索从这些已加载的CSV文件?
How to SEARCH the 'name' from these loaded CSV-file?
此外,其中一个数据是电子邮件地址,我想向该电子邮件地址发送邮件。是否将该值检索到变量?
Also, one of the data is an email-address and I want to send a mail to that email-address. Is that value retrieved to a variable?
我的代码用于搜索每个元素:
My code to search each elements:
function Search() {
var fileUpload = document.getElementById("fileUpload");
var regex = /^([a-zA-Z0-9\s_\\.\-:])+(.csv|.txt)$/;
if (regex.test(fileUpload.value.toLowerCase())) {
if (typeof (FileReader) != "undefined") {
var reader = new FileReader();
reader.onload = function (e) {
var table = document.createElement("table");
var rows = e.target.result.split("\n");
for(var i = 0; i < rows.length; i++)
{
var row = table.insertRow(-1);
var cells = rows[i].split(",");
for(var j = 0; j < cells.length; j++)
{
var cell = row.insertCell(-1);
// cell.innerHTML = cells[j];
// Here repeated checkboxes:
var radio = document.createElement('input');
radio.type = 'checkbox';
radio.name = 'check';
}
var ser=document.getElementById("texts");
if(cells[i].indexOf(ser))
{
alert("matches");
cell.innerHTML = cells[i];
}
else
{
alert("unmatches");
}
var cell = row.insertCell(-1);
cell.appendChild(radio);
//cell.appendChild(button);
}
var button = document.createElement('button');
button.textContent = 'Send';
cell.appendChild(button);
button.onclick = function(){ alert();};
var dvCSV = document.getElementById("dvCSV");
dvCSV.innerHTML = "";
dvCSV.appendChild(table);
}
reader.readAsText(fileUpload.files[0]);
}
}
}
推荐答案
广告搜索:indexOf()是您的朋友。这应该给你一个数字:
Ad search: indexOf() is your friend here. This should give you a figure:
var table = $('#your-table'),
searchstring = 'your-searchstring';
searchstring.toLowerCase();
for (var i = 0, cell; cell = table.cells[i]; i++) {
if (cell.indexOf(searchstring)) {
// I don't know what you want to do with the search-results...
// ..but you can do it here.
}
}
广告电子邮件地址: CSV-import中的变量:
Ad email-address: you can add the address to a variable in your CSV-import:
var cells = rows[i].split(","),
address = cells[1];
我建议创建一个数组 addresses
并填入每一行。
I'd suggest making an array addresses
and fill it each row.
这篇关于使用javascript搜索和匹配CSV文件值的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!