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PHP编程:第4版
book

PHP编程:第4版

by Kevin Tatroe, Peter MacIntyre
January 2021
Intermediate to advanced
505 pages
9h 45m
Chinese
Publishing House of Electronics Industry
Content preview from PHP编程:第4版
244
9
数据库
示例
9-12
显示了存储在
Mongo
数据库中的数据的更多信息。它只是在示例
9-9
中添加
了不多的几行代码 ;在这里你可以看到我们引用了前面插入书籍详细信息代码中自动生
成的自然键。
示例 9-12MongoDB中的数据查找和显示
$mongo = new Mongo();
$db = $mongo->library;
$authors = $db->authors;
$data = $authors->findone(array('authorid'=> 4));
echo "Generated Primary Key: {$data['_id']}<br />";
echo "Author name: {$data['name']}<br />";
echo "2nd Book info - ISBN: {$data['books'][1]['ISBN']}<br />";
echo "2nd Book info - Title: {$data['books'][1]['title']<br />";
上述代码生成的输出如下所示(记住数组是从
0
开始的):
Generated Primary Key: 4ff43ef45b9e7d300c000007
Author name: Isaac Asimov
2nd Book info - ISBN: 0-553-29438-5
2nd Book info - Title: I, Robot
更多在
PHP
中使用和操作
MongoDB ...
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Publisher Resources

ISBN: 9787121404634