[英]skip specific rows and columns of csv with PHP
嗨,我想知道如何才能從csv中跳過某些列/行。 我有一種將cvs上傳到MySQL並可以正常工作的表格,我也知道如何跳過csv的第一行,但是我需要上傳的文件格式對我來說似乎很難。 這是我的代碼:
<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(!$run){
die("error in uploading file".mysql_error());
}else{ ?>
<div class="alert alert-success">
SUCCESS
</div>
<?php }
}
}
?>
<form action="" method="post" enctype="multipart/form-data">
<h3 class="text-center">
RESULTS
</h3></hr>
<div class="row">
<div class="col-md-6">
<div class="form-group">
<input type="file" name="myFile" class="form-control">
</div>
</div>
</div>
<div class="row">
<div class="col-md-6">
<div class="form-group">
<input type="submit" name ="uploadBtn" class="btn btn-info">
</div>
</div>
</div>
</form>
</div>
</body>
</html>
提前致謝。 CSV的例子
計算行數,並跳過第14行之前的所有行。
<body>
<div class="container">
<?php
if(isset($_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
$k = 0;
while (($myData = fgetcsv($handle,1000,','))!== FALSE){
$k++;
if ( $k > 14 ) {
$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>
使用循環,這是實現此目標的一種方法。
請勿同時使用其中之一。
$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]
並設置你的圈
$i = 0; //this is used to keep an track of what row you are on
while (($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建議/不需要此操作
不要在任何時間/同時/每個中查詢,最好先將字符串放在一起然后查詢一次。
不要使用mysql,它既舊又不安全。 改用PDO或mysqli
再次循環
$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."')";
}
使查詢脫離循環,稍后使用implode添加值
$query = "INSERT INTO databse.excel_table (name,email) VALUES (". implode("," , $values) .")";
$run = mysql_query($query);
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