Php 读取json数据时获取空值
使用我的php页面,我正在读取mysql数据并用json显示。php页面的代码是-- 无法理解,为什么读取空值。 mysql表中存在数据,但同时也读取一些空值,并且正确显示了一些数据 这是我的mysql表的结构--Php 读取json数据时获取空值,php,mysql,json,Php,Mysql,Json,使用我的php页面,我正在读取mysql数据并用json显示。php页面的代码是-- 无法理解,为什么读取空值。 mysql表中存在数据,但同时也读取一些空值,并且正确显示了一些数据 这是我的mysql表的结构-- 最终通过谷歌搜索解决了这个问题,问题是编码问题-- 这就解决了问题。前令人心碎的爱情故事:男孩:我不能嫁给你。我的家人完全反对。女孩:他们是谁阻止了你?男孩:我妻子和两个孩子。UTF-8?-不知道 <?php function loadData($limit){
最终通过谷歌搜索解决了这个问题,问题是编码问题--
这就解决了问题。前令人心碎的爱情故事:男孩:我不能嫁给你。我的家人完全反对。女孩:他们是谁阻止了你?男孩:我妻子和两个孩子。UTF-8?-不知道
<?php
function loadData($limit){
require "config.inc.php";
$query = $con->prepare("SELECT * FROM UploadText ORDER BY slno DESC LIMIT $limit ");
$query->execute();
$array = array();
while($data = $query->fetch(PDO::FETCH_ASSOC)){
$id = $data['slno'];
$title = $data['textmsg'];
array_push($array, array(
"id" => $id,
"title" => $title
)
);
}
echo json_encode($array);
}
function loadMoreData($lastId, $limit){
require "config.inc.php";
try{
$query = $con->prepare("SELECT * FROM UploadText WHERE slno < $lastId ORDER BY slno DESC LIMIT $limit ");
$query->execute();
$array = array();
while($data = $query->fetch(PDO::FETCH_ASSOC)){
$id = $data['slno'];
$title = $data['textmsg'];
array_push($array, array(
"id" => $id,
"title" => $title
)
);
}
echo json_encode($array);
} catch(Exception $e){
die($e->getMessage());
}
}
if(isset($_GET['action']) && $_GET['action'] == "apiText"){
$lastId = $_GET['lastId'];
// this is teh limit set in the android java code (LOAD_LIMIT)
$limit = $_GET['limit'];
loadMoreData($lastId, $limit);
} else {
$limit = $_GET['limit'];
loaddata($limit);
}
?>
[{"id":"14","title":"A Kid On His Way 2 Home With His Mom\r\nSaw A Couple Kissing On The Road,\r\nHe Suddenly Shouted & Said:\r\nLook Mom look, that boy and girl\r\nAre Fighting For A Chewing GUM."},
{"id":"13","title":null},
{"id":"12","title":null},
{"id":"11","title":null},
{"id":"10","title":"PAPPU : Daddy, have you\never been to Egypt?\nFATHER : No. Why do\nyou ask that?\nPAPPU: Well, where did\nyou get THIS mummy??"},
{"id":"9","title":"Y r u so opposite to me?\nWhen i say tea,u say coffee!\nI say white,u say black!\nI went to dental hospital,u went to mental hospital!\nI came back and u still there!"}]
$title = utf8_encode($data['textmsg']);