如何从PHP中的表中获取td数据
[英]How to get td data from a table in PHP
问题描述
I am currently stuck at this problem right now where I don't seem to have any idea how to implement this. 
我现在正困在这个问题，我似乎不知道如何实现这个。 I have this table which is populated from a csv file in php and I want to get the data logged in order to calculate the daylight hours. 我有这个表从php中的csv文件填充，我想记录数据，以计算白天时间。
How can I get the data from the td "dateLogged", I did that in jquery before using children but I do not seem to be able to do that in php 我怎样才能从td“dateLogged”获取数据，我在使用子代之前在jquery中做了这个，但我似乎无法在php中做到这一点
//print out uploaded file.csv
echo "<html><body><table BORDER=1>\n\n";
echo " <tr><th>AvgCrown</th><th>MinCrown</th><th>MaxCrown</th><th>dateLogged</th><th>DaylightHours</th></tr>";
$f = fopen("./uploads/" . $_FILES["uploadedfile"]["name"], "r");
while (($line = fgetcsv($f)) !== false) {
echo "<tr>";
foreach ($line as $cell) {
echo "<td>" . htmlspecialchars($cell) . "</td>";
}
echo "<td>" . calcDaylight() . "</td>";
echo "<tr>\n";
}
fclose($f);
echo "\n</table></body></html>";
Here is a sample how the table looks like Any help will be most welcome. 以下是表格外观的示例。欢迎任何帮助。
2 个解决方案
解决方案1
1 已采纳 2012-06-28 19:57:24
There's no need to parse the HTML if you can just grab the data while you're generating it. 如果您可以在生成数据时抓取数据，则无需解析HTML。 Something like this should be all you need: 这样的东西应该是你所需要的：
while (($line = fgetcsv($f)) !== false) {
echo "<tr>";
foreach ($line as $cell) {
// Save the value before you output
$lastColValue = htmlspecialchars($cell);
echo "<td>" . $lastColValue . "</td>";
}
// If you want to store all log dates in an array:
$logDates[] = $lastColValue;
// Or if you want to do something with that value in calcDaylight:
echo "<td>" . calcDaylight( $lastColValue ) . "</td>";
echo "<tr>\n";
}
fclose($f);
Incidentally, if you do find you need to parse the HTML and are only familiar with jQuery, this library may strike your fancy: 顺便说一句，如果您确实发现需要解析HTML并且只熟悉jQuery，那么这个库可能会让您感到满意：
http://code.google.com/p/phpquery/ http://code.google.com/p/phpquery/
解决方案2
1
this? 这个？
while (($line = fgetcsv($f)) !== false) {
echo "<tr>";
foreach ($line as $cell) {
echo "<td>".htmlspecialchars($cell)."</td>";
}
echo "<td>" . calcDaylight( $cell[3] ) . "</td>";
echo "<tr>\n";
}
i might be wrong but 4th column is the field you want, no? 我可能错了，但第四列是你想要的字段，不是吗？
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