A brief analysis of json transmission in php and js

Json is widely used in program data interaction due to its efficient performance. This article will give you a brief analysis of the encoding and decoding of json in php and js. To give you a reference, I hope it will be helpful to everyone.

php in

1)Encoding

$jsonStr = json_encode($array)

2)Decoding

$arr = json_decode($jsonStr)

<?php
echo json_encode("中文", JSON_UNESCAPED_UNICODE);

Add parameters: JSON_UNESCAPED_UNICODE.

Test environment:

PHP Version 5.5.36

js中

1. Encoding

var str = obj.toJSONString();//需要JSON解析器或工具类

2. Three types of decoding:

var jsonStr = ''[{"id":"1","name":"computer"}]";
1) var obj = eval(jsonStr); //兼容最好
2) var obj = jsonStr.parseJSON(); //这俩需要浏览器带JSON解析器。或者加一个json的工具类
3) var obj = JSON.parse(jsonStr)；//

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