ホームページ >バックエンド開発 >PHPチュートリアル >PHP 配列に php_encode を使用し、それを JSON.parse を使用して js オブジェクトに変換すると、エラーが発生します (以前は配列内の値の 1 つが json 文字列でした)
PHP 配列に php_encode を使用し、それを JSON.parse を使用して js オブジェクトに変換すると、エラーが発生します (以前は配列内の値の 1 つが json 文字列でした)
- WBOYオリジナル
- 2016-12-01 00:56:461332ブラウズ
数组：
<code>
Array
(
[0] => Array
(
[productid] => 2
[cateid] => 4
[title] => 衣
[descr] => 吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖
[num] => 197
[price] => 888.00
[cover] => 7xpizy.com1.z0.glb.clouddn.com/58087fa893aa7
[pics] => {"58087faa67f8b":"7xpizy.com1.z0.glb.clouddn.com\/58087faa67f8b"}
[issale] => 1
[saleprice] => 799.00
[ishot] => 1
[istui] => 1
[ison] => 1
[createtime] => 0
)
)</code>
json :
<code class="json">[{"productid":"2","cateid":"4","title":"\u8863","descr":"\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416","num":"197","price":"888.00","cover":"7xpizy.com1.z0.glb.clouddn.com\/58087fa893aa7","pics":"{\"58087faa67f8b\":\"7xpizy.com1.z0.glb.clouddn.com\\\/58087faa67f8b\"}","issale":"1","saleprice":"799.00","ishot":"1","istui":"0","ison":"1","createtime":"0"}]</code>
数组中的 pics 本来就是json了，然后 json_encode 后在js中 JSON.parse 会报错：
<code>Unexpected number in JSON at position 169</code>
回复内容：
数组：
<code>
Array
(
[0] => Array
(
[productid] => 2
[cateid] => 4
[title] => 衣
[descr] => 吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖
[num] => 197
[price] => 888.00
[cover] => 7xpizy.com1.z0.glb.clouddn.com/58087fa893aa7
[pics] => {"58087faa67f8b":"7xpizy.com1.z0.glb.clouddn.com\/58087faa67f8b"}
[issale] => 1
[saleprice] => 799.00
[ishot] => 1
[istui] => 1
[ison] => 1
[createtime] => 0
)
)</code>
json :
<code class="json">[{"productid":"2","cateid":"4","title":"\u8863","descr":"\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416","num":"197","price":"888.00","cover":"7xpizy.com1.z0.glb.clouddn.com\/58087fa893aa7","pics":"{\"58087faa67f8b\":\"7xpizy.com1.z0.glb.clouddn.com\\\/58087faa67f8b\"}","issale":"1","saleprice":"799.00","ishot":"1","istui":"0","ison":"1","createtime":"0"}]</code>
数组中的 pics 本来就是json了，然后 json_encode 后在js中 JSON.parse 会报错：
<code>Unexpected number in JSON at position 169</code>
对原数组进行处理，json部分转成数组
<code>$arr = Array(Array
("productid" => 2,
"cateid" => 4,
"title" => "衣",
"descr" => "吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖",
"num" => 197,
"price" => 888.00,
"cover" => "7xpizy.com1.z0.glb.clouddn.com/58087fa893aa7",
"pics" => '{"58087faa67f8b":"7xpizy.com1.z0.glb.clouddn.com\/58087faa67f8b"}',
"issale" => 1,
"saleprice" => 799.00,
"ishot" => 1,
"istui" => 1,
"ison" => 1,
"createtime" => 0
)
);
foreach($arr as $k=>$v){
$arr[$k]['pics'] = array(json_decode($arr[$k]['pics'],true));
}
echo json_encode($arr);</code>
<code>[{"productid":2,"cateid":4,"title":"\u8863","descr":"\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416\u5416","num":197,"price":888,"cover":"7xpizy.com1.z0.glb.clouddn.com\/58087fa893aa7","pics":[{"58087faa67f8b":"7xpizy.com1.z0.glb.clouddn.com\/58087faa67f8b"}],"issale":1,"saleprice":799,"ishot":1,"istui":1,"ison":1,"createtime":0}]</code>
<code class="php">$arr = [[
'productid' => 2,
'cateid' => 4,
'title' => '衣',
'descr' => '吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖吖',
'num' => 197,
'price' => 888.00,
'cover' => '7xpizy.com1.z0.glb.clouddn.com/58087fa893aa7',
'pics' => '{"58087faa67f8b":"7xpizy.com1.z0.glb.clouddn.com\/58087faa67f8b"}',
'issale' => 1,
'saleprice' => 799.00,
'ishot' => 1,
'istui' => 1,
'ison' => 1,
'createtime' => 0,
]];
$arr[0]['pics'] = json_decode($arr[0]['pics'],true);
$json=json_encode($arr);
//以下为js 正常输出
var json='<?php echo $json;?>';
console.log(JSON.parse(json));</code>
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