| 摘要 |
A method (and system and server) in which, when a mobile phone unauthorized by a data server requests an access to a document stored in the data server, the unauthorized mobile phone sends a request for access permit to an authorized mobile phone. The authorized mobile phone sends back information for temporary access to the unauthorized mobile phone. On the basis of the information for temporary access, the unauthorized mobile phone transmits a request for temporary access to the data server, upon which the data server transmits information for judgment to the authorized mobile phone. On the basis of the information for judgment, the authorized mobile phone judges whether the unauthorized mobile phone should be permitted an access to the requested document. The unauthorized mobile phone is granted a temporary access to the requested document if the document is currently displayed on the authorized mobile phone.
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