您好,我想知道如何从 csv 中跳过某些列/行。我有一个将 cvs 上传到 MySQL 的表单并且工作正常,我也知道如何跳过 csv 的第一行,但是我需要上传的文件的格式对我来说似乎很难。这是我的代码:
<body>
<div class="container">
[enter image description here][1]<?php
if(isset($_POST['uploadBtn'])){
$fileName=$_FILES['myFile']['name'];
$fileTmpName=$_FILES['myFile']['tmp_name'];
//FILE PATH
$fileExtension=pathinfo($fileName,PATHINFO_EXTENSION);
//ALLOWED FILE TYPES
$allowedType = array('csv');
if(!in_array($fileExtension,$allowedType)){?>
<div class="alert alert-danger">
INVALID FILE
</div>
<?php }else{
$handle = fopen($fileTmpName, 'r');
fgetcsv($handle);///////////////// SKIP FIRST ROW
while (($myData = fgetcsv($handle,1000,','))!== FALSE){
$name = $myData[0];
$email = $myData[1];
$query = "INSERT INTO databse.excel_table (name,email)
VALUES ('".$name."','".$email."')";
$run = mysql_query($query);
}
if(!$run){
die("error in uploading file".mysql_error());
}else{ ?>
<div class="alert alert-success">
SUCCESS
</div>
<?php }
}
}
?>
<form action="" method="post" enctype="multipart/form-data">
<h3 class="text-center">
RESULTS
</h3></hr>
<div class="row">
<div class="col-md-6">
<div class="form-group">
<input type="file" name="myFile" class="form-control">
</div>
</div>
</div>
<div class="row">
<div class="col-md-6">
<div class="form-group">
<input type="submit" name ="uploadBtn" class="btn btn-info">
</div>
</div>
</div>
</form>
</div>
</body>
</html>
提前致谢。 example of csv
最佳答案
使用循环,这是一种实现这一目标的方法。
使用其中之一,而不是两者都使用。
$rowsToSkip = [0,3,6,9]; //this is one way to manually enter row numbers
$rowsToSkip = range(5,10) //will return an array ex: [5,6,7,8,9,10]
并设置您的循环
$i = 0; //this is used to keep an track of what row you are on
while (($myData = fgetcsv($handle,1000,','))!== FALSE){
if($i == 0) continue; //this will skip your 1st row
if(in_array($i, $rowsToSkip)) continue; //this will skip any row in $rowsToSkip array
$name = $myData[0];
$email = $myData[1];
$query = "INSERT INTO databse.excel_table (name,email)
VALUES ('".$name."','".$email."')";
$run = mysql_query($query);
}
2 条建议/有帮助,但不是实现此功能所必需的
不要在任何for/while/each中查询,最好先把字符串放在一起再查询一次。
不要使用 mysql,它旧且不安全。使用 PDO 或 mysqli 代替
再次循环
$i = 0; //this is used to keep an track of what row you are on
$values = []; //will hold your row values
while (($myData = fgetcsv($handle,1000,','))!== FALSE){
if($i == 0) continue; //this will skip your 1st row
if(in_array($i, $rowsToSkip)) continue; //this will skip any row in $rowsToSkip array
$name = $myData[0];
$email = $myData[1];
$values[] = "('".$name."','".$email."')";
}
将查询从循环中取出,稍后使用 implode 添加值
$query = "INSERT INTO databse.excel_table (name,email) VALUES (". implode("," , $values) .")";
$run = mysql_query($query);
关于php - 使用 PHP 跳过 csv 的特定行和列,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/46941866/