需要将csv或xls导入到使用CodeIgniter创建的应用程序中。有图书馆吗?
这里有一个简单的方法。我不知道人们怎么做,但我用这个
这是我的csv阅读器库
<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
class CSVReader {
var $fields; /** columns names retrieved after parsing */
var $separator = ';'; /** separator used to explode each line */
var $enclosure = '"'; /** enclosure used to decorate each field */
var $max_row_size = 4096; /** maximum row size to be used for decoding */
function parse_file($p_Filepath) {
$file = fopen($p_Filepath, 'r');
$this->fields = fgetcsv($file, $this->max_row_size, $this->separator, $this->enclosure);
$keys_values = explode(',',$this->fields[0]);
$content = array();
$keys = $this->escape_string($keys_values);
$i = 1;
while( ($row = fgetcsv($file, $this->max_row_size, $this->separator, $this->enclosure)) != false ) {
if( $row != null ) { // skip empty lines
$values = explode(',',$row[0]);
if(count($keys) == count($values)){
$arr = array();
$new_values = array();
$new_values = $this->escape_string($values);
for($j=0;$j<count($keys);$j++){
if($keys[$j] != ""){
$arr[$keys[$j]] = $new_values[$j];
}
}
$content[$i]= $arr;
$i++;
}
}
}
fclose($file);
return $content;
}
function escape_string($data){
$result = array();
foreach($data as $row){
$result[] = str_replace('"', '',$row);
}
return $result;
}
}
?>
和控制器方法
function readExcel()
{
$this->load->library('csvreader');
$result = $this->csvreader->parse_file('Test.csv');
$data['csvData'] = $result;
$this->load->view('view_csv', $data);
}
这是view
<table cellpadding="0" cellspacing="0" width="100%">
<tr>
<td width = "10%">ID</td>
<td width = "20%">NAME</td>
<td width = "20%">SHORT DESCRIPTION</td>
<td width = "30%">LONG DESCRIPTION</td>
<td width = "10%">STATUS</td>
<td width = "10%">PARENTID</td>
</tr>
<?php foreach($csvData as $field){?>
<tr>
<td><?php echo $field['id']?></td>
<td><?php echo $field['name']?></td>
<td><?php echo $field['shortdesc']?></td>
<td><?php echo $field['longdesc']?></td>
<td><?php echo $field['status']?></td>
<td><?php echo $field['parentid']?></td>
</tr>
<?php }?>
</table>
参考这里
这是raheel shan接受的答案的改进版本-我编辑了他的答案,但我的编辑被拒绝了,但这是一个重要的变化…
在解析每一行数据时,在逗号上使用explode()
是不明智的,因为这不会处理包含逗号的引号括起来的字符串。explosion将这些字符串分解为子字符串,并在$values
中提供额外的数组元素,因此此检查失败:
if (count($keys) == count($values)) {
相反,PHP有一个专门构建的方法来处理这个问题;str_getcsv()。我已经相应更新了原始答案码
CSV Reader库:
<?php
if (!defined('BASEPATH'))
exit('No direct script access allowed');
class CSVReader {
var $fields;/** columns names retrieved after parsing */
var $separator = ';';/** separator used to explode each line */
var $enclosure = '"';/** enclosure used to decorate each field */
var $max_row_size = 4096;/** maximum row size to be used for decoding */
function parse_file($p_Filepath) {
$file = fopen($p_Filepath, 'r');
$this->fields = fgetcsv($file, $this->max_row_size, $this->separator, $this->enclosure);
$keys = str_getcsv($this->fields[0]);
$i = 1;
while (($row = fgetcsv($file, $this->max_row_size, $this->separator, $this->enclosure)) != false) {
if ($row != null) { // skip empty lines
$values = str_getcsv($row[0]);
if (count($keys) == count($values)) {
$arr = array();
for ($j = 0; $j < count($keys); $j++) {
if ($keys[$j] != "") {
$arr[$keys[$j]] = $values[$j];
}
}
$content[$i] = $arr;
$i++;
}
}
}
fclose($file);
return $content;
}
}
?>
控制器方法:function readExcel() {
$this->load->library('csvreader');
$result = $this->csvreader->parse_file('Test.csv');
$data['csvData'] = $result;
$this->load->view('view_csv', $data);
}
这是视图:
<table cellpadding="0" cellspacing="0" width="100%">
<tr>
<td width="10%">ID</td>
<td width="20%">NAME</td>
<td width="20%">SHORT DESCRIPTION</td>
<td width="30%">LONG DESCRIPTION</td>
<td width="10%">STATUS</td>
<td width="10%">PARENTID</td>
</tr>
<?php foreach ($csvData as $field) { ?>
<tr>
<td><?php echo $field['id'] ?></td>
<td><?php echo $field['name'] ?></td>
<td><?php echo $field['shortdesc'] ?></td>
<td><?php echo $field['longdesc'] ?></td>
<td><?php echo $field['status'] ?></td>
<td><?php echo $field['parentid'] ?></td>
</tr>
<?php } ?>
</table>
别介意,我只是修改了ajmedway的库,以包括分隔符,以防万一你想从TSV或管道分隔的文件中获取数据。如果你想要普通的CSV,这就可以了。
class CSVReader {
var $fields;/** columns names retrieved after parsing */
var $separator = ';';/** separator used to explode each line */
var $enclosure = '"';/** enclosure used to decorate each field */
var $max_row_size = 4096;/** maximum row size to be used for decoding */
function parse_file($p_Filepath, $delimiter = FALSE ) {
$file = fopen($p_Filepath, 'r');
$this->fields = fgetcsv($file, $this->max_row_size, $this->separator, $this->enclosure);
if ($delimiter==FALSE)
{
$keys = str_getcsv($this->fields[0]);
$i = 1;
while (($row = fgetcsv($file, $this->max_row_size, $this->separator, $this->enclosure)) != false) {
if ($row != null) { // skip empty lines
$values = str_getcsv($row[0]);
if (count($keys) == count($values)) {
$arr = array();
for ($j = 0; $j < count($keys); $j++) {
if ($keys[$j] != "") {
$arr[$keys[$j]] = $values[$j];
}
}
$content[$i] = $arr;
$i++;
}
}
}
}
else{
$keys = str_getcsv($this->fields[0],$delimiter);
$i = 1;
while (($row = fgetcsv($file, $this->max_row_size, $this->separator, $this->enclosure)) != false) {
if ($row != null) { // skip empty lines
$values = str_getcsv($row[0],$delimiter);
if (count($keys) == count($values)) {
$arr = array();
for ($j = 0; $j < count($keys); $j++) {
if ($keys[$j] != "") {
$arr[$keys[$j]] = $values[$j];
}
}
$content[$i] = $arr;
$i++;
}
}
}
}
fclose($file);
return $content;
}}?>
这是一个改进版本的空行和额外的空格和制表符…
class CSVReader {
function csv_to_array($Filepath)
{
//Get csv file content
$csvData = file_get_contents($Filepath);
//Remove empty lines
$csvData = preg_replace("/(^['r'n]*|['r'n]+)['s't]*['r'n]+/", "'r'n", $csvData);
//String convert in array formate and remove double quote(")
$array = array();
$array = $this->escape_string(preg_split('/'r'n|'r|'n/', $csvData));
$new_content_in_array = array();
if($array)
{
//Get array key
$array_keys = array();
$array_keys = array_filter(array_map('trim', explode(';',$array[0])));
//Get array value
$array_values = array();
for ($i=1;$i<count($array);$i++)
{
if($array[$i])
{
$array_values[] = array_filter(array_map('trim', explode(';',$array[$i])));
}
}
//Convert in associative array
if($array_keys && $array_values)
{
$assoc_array = array();
foreach ($array_values as $ky => $val)
{
for($j=0;$j<count($array_keys);$j++){
if($array_keys[$j] != "" && $val[$j] != "" && (count($array_keys) == count($val)))
{
$assoc_array[$array_keys[$j]] = $val[$j];
}
}
$new_content_in_array[] = $assoc_array;
}
}
}
return $new_content_in_array;
}
function escape_string($data){
$result = array();
foreach($data as $row){
$result[] = preg_replace("/(^['r'n]*|['r'n]+)['s't]*['r'n]+/", "", str_replace('"', '',$row));
}
return $result;
}
}
调用控制器:
$this->load->library('csvreader');
$import_csv_data = $this->csvreader->csv_to_array($path);
print_r($import_csv_data );
exit;