[英]how to insert multiple lines in json array in database using php
我想将包含在JSON数组中的一些详细信息输入数据库。
下面给出的是我的源代码。
这是来自txt文件的数据json数组
{
“ reader_name”:“ Biboy Pogi”,“ mac_address”:“ 00:16:25:10:7E:85”,“ tag_reads”:[
{
“ antennaPort”:1,“ epc”:“ 2015031687850100010105B5”,“ tid”:“ E280110520005A8B952F0886”,“ isHeartBeat”:false}]}
{
“ reader_name”:“ Biboy Pogi”,“ mac_address”:“ 00:16:25:10:7E:85”,“ tag_reads”:[
{
“ antennaPort”:1,“ epc”:“ 2015031687850100010105B5”,“ tid”:“ E280110520005A8B952F0886”,“ isHeartBeat”:false}]}
您的json似乎是问题。
尝试这个:
[
{
"reader_name": "Biboy Pogi",
"mac_address": "00:16:25:10:7E:85",
"tag_reads": [
{
"antennaPort": 1,
"epc": "2015031687850100010105B5",
"tid": "E280110520005A8B952F0886",
"isHeartBeat": false
}
]
},
{
"reader_name": "Biboy Pogi",
"mac_address": "00:16:25:10:7E:85",
"tag_reads": [
{
"antennaPort": 1,
"epc": "2015031687850100010105B5",
"tid": "E280110520005A8B952F0886",
"isHeartBeat": false
}
]
}
]
您的JSON
错误并且两次相同。 也许您会需要它,但是其中之一
{
"reader_name": "Biboy Pogi",
"mac_address": "00:16:25:10:7E:85",
"tag_reads": [
{
"antennaPort": 1,
"epc": "2015031687850100010105B5",
"tid": "E280110520005A8B952F0886",
"isHeartBeat": false
}
]
}
而且您无法达到$antennaPort = $data['antennaPort'];
那样。 你必须这样称呼它
$antennaPort = $data['tag_reads']['antennaPort'];
$epc= $data['tag_reads'][0]['epc'];
$tid= $data['tag_reads'][0]['tid'];
这样插入您的数据库
mysqli_query($con,$sql)
之后,您应该检查错误
if(!mysqli_query($con, $sql))
die ('Error in query: ' . mysqli_error($con));
或者你排成一排
mysqli_query($con, $sql) or die(mysqli_error());
假设您的源数据每行包含一个json。 您可以使用以下示例代码进行迭代插入:
$fn = 'debug.txt';
$raw = file_get_contents($fn);
$raw = explode("\r\n", $raw);
foreach($raw as $row){
//force it to array for single item
if (substr($row, 0, 1) != '[')
$row = '[' . $row . ']';
$data_arr= json_decode($row, true);
foreach ($data_arr as $data){
$reader_name = $data['reader_name'];
$mac_address = $data['mac_address'];
$antennaPort = $data['tag_reads'][0]['antennaPort'];
$epc = $data['tag_reads'][0]['epc'];
$tid = $data['tag_reads'][0]['tid'];
$sql = "INSERT INTO tags(reader_name, mac_address, antennaPort, epc, tid)
VALUES('$reader_name', '$mac_address', '$antennaPort', '$epc', '$tid')";
if(!mysqli_query($con, $sql))
{
die('Error : ' . mysqli_error($con));
}
}
}
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