摘要：
///<summary> ///截获定长的字符串 ///</summary> ///<paramname="source">源字符串</param> ///<paramname="length">需要截获的长度</param> ///<returns>截获后的字符串</returns> staticpu... 阅读全文
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摘要：
///<summary> ///截获定长的字符串 ///</summary> ///<paramname="source">源字符串</param> ///<paramname="length">需要截获的长度</param> ///<returns>截获后的字符串</returns> staticpu... 阅读全文
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