Severity: Warning
Message: fopen(D:\wwwroot1\alipdf.com\api\../data/session\ds_sessionie2evovu8crgiqkvqi1kuaf8n5145aca): failed to open stream: Invalid argument
Filename: drivers/Session_files_driver.php
Line Number: 174
Backtrace:
File: D:\wwwroot1\alipdf.com\app\core\DS_Controller.php
Line: 21
Function: __construct
File: D:\wwwroot1\alipdf.com\app\core\DS_Controller.php
Line: 175
Function: __construct
File: D:\wwwroot1\alipdf.com\app\controllers\Search.php
Line: 10
Function: __construct
File: D:\wwwroot1\alipdf.com\index.php
Line: 316
Function: require_once
Severity: Warning
Message: session_start(): Failed to read session data: user (path: D:\wwwroot1\alipdf.com\api\../data/session)
Filename: Session/Session.php
Line Number: 143
Backtrace:
File: D:\wwwroot1\alipdf.com\app\core\DS_Controller.php
Line: 21
Function: __construct
File: D:\wwwroot1\alipdf.com\app\core\DS_Controller.php
Line: 175
Function: __construct
File: D:\wwwroot1\alipdf.com\app\controllers\Search.php
Line: 10
Function: __construct
File: D:\wwwroot1\alipdf.com\index.php
Line: 316
Function: require_once
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1内容简介 智慧城市是大数据、互联网时代的城市治理方式。本书首先介绍了 我国城镇化和城市信息化发展历程，建立了智慧城市的体系框架，阐述 了城市信息学研究内容、研究方法以及与其他城市科学的关系，分析了 国内外智慧城市发展情况，指出...
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