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34 lines
887 B
34 lines
887 B
6 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] = 0;
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$json_strings = json_encode($data);
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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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//修改
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// $json_string = file_get_contents("text.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["001"]["a"]="aas";
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// $json_strings = json_encode($data);
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// file_put_contents("text.json",$json_strings);//写入
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?>
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