* @brief 默认构造，真正初始化工作交给 createPool */

* @brief 默认构造，真正初始化工作交给 createPool */

初始化数据库连接

* TODO:error * default argument given for parameter 2 of ‘Thread::Thread(Thread::ThreadFunc, const string&)’GCC * 默认参数在定义和声明中只能出现一次，不能声明和定义都有默认参数

* Copy constructor. * * @param other * The object to be copied. */

add a character to token_buffer

string::data() 转换成字符数组，但是没有 '\0'

! @param[in] s reference token to be converted into an array index @return integer representation of @a s @throw out_of_range.404

! @brief access specified array element with bounds checking Returns a reference to the element at specified location @a idx, with bo

! @brief access the last element Returns a reference to the last element in the container. For a JSON container `c`, the expression `

! @brief explicitly create an array from an initializer list Creates a JSON array value from a given initializer list. That is, given a

! @brief creates a diff as a JSON patch Creates a [JSON Patch](http://jsonpatch.com) so that value @a source can be changed into the

! @brief Create a JSON value from an input in BSON format Deserializes a given input @a i to a JSON value using the BSON (Binary JSON)

! @brief create a JSON value from an input in CBOR format Deserializes a given input @a i to a JSON value using the CBOR (Concise Bin

! @brief create a JSON value from an input in MessagePack format Deserializes a given input @a i to a JSON value using the MessagePack

! @brief create a JSON value from an input in UBJSON format Deserializes a given input @a i to a JSON value using the UBJSON (Universal

! @brief returns version information on the library This function returns a JSON object with information about the library, including

! @brief explicitly create an object from an initializer list Creates a JSON object value from a given initializer list. The initializer

! @brief deserialize from a compatible input This function reads from a compatible input. Examples are: - an array of 1-byte values

! @brief create a binary reader @param[in] adapter input adapter to read from */

! @brief create a binary writer @param[in] adapter output adapter to write to */

! @return The size of the BSON-encoded array @a value */

! @brief Calculates the size necessary to serialize the JSON value @a j with its @a name @return The calculated size for the BSON document e

! @return The size of a BSON document entry header, including the id marker and the entry name size (and its null-terminator).

! @return The size of the BSON-encoded integer @a value */

! @brief Calculates the size of the BSON serialization of the given JSON-object @a j. @param[in] j JSON value to serialize

! @return The size of the BSON-encoded string in @a value */

! @return The size of the BSON-encoded unsigned integer in @a j */

! @brief clears the contents Clears the content of a JSON value and resets it to the default value as if @ref basic_json(value_t) wou

提交事务

连接销毁

连接建立

! @throw parse_error.106 if an array index begins with '0' @throw parse_error.109 if an array index was not a number */

! @brief count digits Count the number of decimal (base 10) digits for an input unsigned integer. @param[in] x unsigned integer nu

! @brief create a parse error exception @param[in] id_ the id of the exception @param[in] pos the position where the error

! @brief check whether a string is UTF-8 encoded The function checks each byte of a string whether it is UTF-8 encoded. The result of

* 默认的http回调函数 * 设置响应状态码，响应信息并关闭连接 */

! @brief dump escaped string Escape a string by replacing certain special characters by a sequence of an escape character (backslash)

! @brief dump a floating-point number Dump a given floating-point number to output stream @a o. Works internally with @a number_buffe