Python 如何循环并打印json字符串中每个键的所有值?
我想打印“id”的所有值。从0到5。然后将其更改为6-11。然后新值将其附加到旧值并保存文件。有可能吗 因为它是json字符串,我更愿意将其作为反序列化对象来使用,如下所示:Python 如何循环并打印json字符串中每个键的所有值?,python,json,string,Python,Json,String,我想打印“id”的所有值。从0到5。然后将其更改为6-11。然后新值将其附加到旧值并保存文件。有可能吗 因为它是json字符串,我更愿意将其作为反序列化对象来使用,如下所示: m = [{"text":"mamamia","speaker":"","id":0},{"text":"mamamia","speaker":"","id":1},{"text":"mamamia","speaker":"","id":2},{"text":"mamamia","speaker":"","id":3},{
m = [{"text":"mamamia","speaker":"","id":0},{"text":"mamamia","speaker":"","id":1},{"text":"mamamia","speaker":"","id":2},{"text":"mamamia","speaker":"","id":3},{"text":"mamamia","speaker":"","id":4},{"text":"mamamia","speaker":"","id":5}]
m.map(function(obj) {
console.log(obj.id);
obj.id = obj.id + 6;
})
输出:
string = '[{"text":"mamamia","speaker":"","id":0},{"text":"mamamia","speaker":"","id":1},{"text":"mamamia","speaker":"","id":2},{"text":"mamamia","speaker":"","id":3},{"text":"mamamia","speaker":"","id":4},{"text":"mamamia","speaker":"","id":5}]'
deserialized = json.loads(string)
for obj in deserialized:
obj["id"] = obj.get("id") + 6
print(json.dumps(deserialized))
是,它可以通过php访问,请参见下面的示例
无标题文件
先生,可以用python来做吗?当然可以用python来做。有关python映射语法,请参见文档。我成功了。谢谢,先生,是否可以将其替换为原始文件,先生?您能否帮助我将新值替换到列表中,使之类似[{“文本”:“mamamia”,“speaker”:““id”:1},{“文本”:“mamamia”,“speaker”:“id”:2},{“文本”:“mamamia”,“speaker”:“id”:3},{“文本”:“mamamia”,“speaker”:“id”:4},{“文本”:“mamamia”,“speaker”:“id”:5},{“文本”:“mamamia”,“speaker”:“id”:6}]非常感谢,先生,这是我喜欢的。但是,你能告诉我,我如何将所有新值替换到json文件中以获得此值吗?[{“text”:“mamamamia”,“speaker”:“id”:1},{“text”:“mamamamia”,“speaker”:“id”:2},{“text”:“mamamamamia”,“speaker”:“id”:3},{“text”:“mamamamamamia”,“speaker”:“id”:4},{“text”:mamamia,speaker:。
[{"id": 6, "text": "mamamia", "speaker": ""}, {"id": 7, "text": "mamamia", "speaker": ""}, {"id": 8, "text": "mamamia", "speaker": ""}, {"id": 9, "text": "mamamia", "speaker": ""}, {"id": 10, "text": "mamamia", "speaker": ""}, {"id": 11, "text": "mamamia", "speaker": ""}]
yes it is passible to php see below example
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>
<body>
<?php
$m=[ ["text"=>"mamamia","speaker"=>"a","id"=>0],
["text"=>"mamamia","speaker"=>"b","id"=>1],
["text"=>"mamamia","speaker"=>"c","id"=>2],
["text"=>"mamamia","speaker"=>"d","id"=>3],
["text"=>"mamamia","speaker"=>"e","id"=>4],
["text"=>"mamamia","speaker"=>"f","id"=>5]
];
//echo gettype($m)."<br>";
$myJSON = json_encode($m);
//echo $myJSON;
$myJSON=json_decode($myJSON);
echo "<table border='2px'><tr><th>Text</th><th>Speeker</th><th>ID</th></tr>";
foreach($myJSON as $a)
{
echo"<tr><td>". $a->text."</td><td>".$a->speaker."</td><td>".$a->id."</td>
</tr>";
}
echo "</table>";
//add the id 6 - 11
array_push($m,["text"=>"mamamia","speaker"=>"a","id"=>6]);
array_push($m,["text"=>"mamamia","speaker"=>"a","id"=>7]);
array_push($m,["text"=>"mamamia","speaker"=>"a","id"=>8]);
array_push($m,["text"=>"mamamia","speaker"=>"a","id"=>9]);
array_push($m,["text"=>"mamamia","speaker"=>"a","id"=>10]);
array_push($m,["text"=>"mamamia","speaker"=>"a","id"=>11]);
//print_r($m);
$myJSON = json_encode($m);
//echo $myJSON."<br>";
$myJSON=json_decode($myJSON);
echo "<table border='2px'><tr><th>Text</th><th>Speeker</th><th>ID</th>
</tr>";
foreach($myJSON as $a)
{
//print_r($a);
echo"<tr><td>". $a->text."</td><td>".$a->speaker."</td><td>".$a->id."
</td></tr>";
}
echo "</table>";
?>
</body>
</html>
**output**
[Output we get]
[1]: https://i.stack.imgur.com/CU9k7.jpg