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25 lines
613 B
25 lines
613 B
5 months ago
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<?php
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$num_get = $_POST['num'];
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$numb = json_decode($num_get,true);
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var_dump($num_get);
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$code="001";//动态数据
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$json_string = file_get_contents("cart.json");// 从文件中读取数据到PHP变量
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$data = json_decode($json_string,true);// 把JSON字符串转成PHP数组
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$data["num"][$num_get]++;
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$data["num"][$num_get] = (string)$data["num"][$num_get];
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$json_strings = json_encode($data,JSON_UNESCAPED_UNICODE);
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var_dump($data);
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var_dump($json_string);
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file_put_contents("cart.json",$json_strings);//写入
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?>
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