DLT645With1997OverTcp 方法

激活设备的命令，只发送数据到设备，不等待设备数据返回
The command to activate the device, only send data to the device, do not wait for the device data to return

激活设备的命令，只发送数据到设备，不等待设备数据返回
The command to activate the device, only send data to the device, do not wait for the device data to return

广播指定的时间，强制从站与主站时间同步，传入DateTime时间对象，没有数据返回。
Broadcast the specified time, force the slave station to synchronize with the master station time, pass in the DateTime time object, and no data will be returned.

广播指定的时间，强制从站与主站时间同步，传入DateTime时间对象，没有数据返回。
Broadcast the specified time, force the slave station to synchronize with the master station time, pass in the DateTime time object, and no data will be returned.

更改通信速率，波特率可选 600,1200,2400,4800,9600,19200，其他值无效，可以携带地址域信息，s=1;9600
Change the communication rate, the baud rate can be 600, 1200, 2400, 4800, 9600, 19200, other values are invalid, you can carry address domain information, s=1;9600

更改通信速率，波特率可选 600,1200,2400,4800,9600,19200，其他值无效，可以携带地址域信息，s=1;9600
Change the communication rate, the baud rate can be 600, 1200, 2400, 4800, 9600, 19200, other values are invalid, you can carry address domain information, s=1;9600

手动断开与远程服务器的连接，如果当前是长连接模式，那么就会切换到短连接模式
Manually disconnect from the remote server, if it is currently in long connection mode, it will switch to short connection mode

手动断开与远程服务器的连接，如果当前是长连接模式，那么就会切换到短连接模式
Manually disconnect from the remote server, if it is currently in long connection mode, it will switch to short connection mode

尝试连接远程的服务器，如果连接成功，就切换短连接模式到长连接模式，后面的每次请求都共享一个通道，使得通讯速度更快速
Try to connect to a remote server. If the connection is successful, switch the short connection mode to the long connection mode. Each subsequent request will share a channel, making the communication speed faster.

尝试连接远程的服务器，如果连接成功，就切换短连接模式到长连接模式，后面的每次请求都共享一个通道，使得通讯速度更快速
Try to connect to a remote server. If the connection is successful, switch the short connection mode to the long connection mode. Each subsequent request will share a channel, making the communication speed faster.

决定当前的消息是否是用于问答机制返回的消息，默认直接返回 true, 实际的情况需要根据协议进行重写方法
To determine whether the current message is the message returned by the question answering mechanism, the default is true. In actual cases, the rewriting method needs to be performed according to the protocol

Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

Determines whether the specified object is equal to the current object.

和服务器交互完成的时候调用的方法，可以根据读写结果进行一些额外的操作，具体的操作需要根据实际的需求来重写实现
The method called when the interaction with the server is completed can perform some additional operations based on the read and write results. The specific operations need to be rewritten according to actual needs.

根据实际的协议选择是否重写本方法，有些协议在断开连接之前，需要发送一些报文来关闭当前的网络通道
Select whether to rewrite this method according to the actual protocol. Some protocols need to send some packets to close the current network channel before disconnecting.

根据实际的协议选择是否重写本方法，有些协议在断开连接之前，需要发送一些报文来关闭当前的网络通道
Select whether to rewrite this method according to the actual protocol. Some protocols need to send some packets to close the current network channel before disconnecting.

Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection.

Serves as the default hash function.

获取当前的报文进行日志记录的时候，是否使用二进制的格式记录，默认返回 LogMsgFormatBinary，重写可以根据session对象分别返回不同记录模式
Whether to log the current packet in binary format, the default return is LogMsgFormatBinary. If you want to override it, different recording modes can be returned according to session

获取一个新的消息对象的方法，需要在继承类里面进行重写
The method to get a new message object needs to be overridden in the inheritance class

Gets the Type of the current instance.

一个字单位的数据表示的地址长度，西门子为2，三菱，欧姆龙，modbusTcp就为1，AB PLC无效
The address length represented by one word of data, Siemens is 2, Mitsubishi, Omron, modbusTcp is 1, AB PLC is invalid

根据实际的协议选择是否重写本方法，有些协议在创建连接之后，需要进行一些初始化的信号握手，才能最终建立网络通道。
Whether to rewrite this method is based on the actual protocol. Some protocols require some initial signal handshake to establish a network channel after the connection is created.

根据实际的协议选择是否重写本方法，有些协议在创建连接之后，需要进行一些初始化的信号握手，才能最终建立网络通道。
Whether to rewrite this method is based on the actual protocol. Some protocols require some initial signal handshake to establish a network channel after the connection is created.

对当前设备的IP地址进行PING的操作，返回PING的结果，正常来说，返回Success
PING the IP address of the current device and return the PING result. Normally, it returns Success

使用日志记录一个接收的报文信息
` Logs are used to record information about a received packet

使用日志记录一个接收的报文信息
` Logs are used to record information about a received packet

使用日志记录一个发送的报文信息
Logs are used to record information about a send packet

使用日志记录一个发送的报文信息
Logs are used to record information about a send packet

Creates a shallow copy of the current Object.

对当前的命令进行打包处理，通常是携带命令头内容，标记当前的命令的长度信息，需要进行重写，否则默认不打包
The current command is packaged, usually carrying the content of the command header, marking the length of the current command, and it needs to be rewritten, otherwise it is not packaged by default

根据指定的数据标识来读取相关的原始数据信息，地址标识根据手册来，从高位到地位，例如 B6-11，分割符可以任意特殊字符或是没有分隔符。
Read the relevant original data information according to the specified data identifier. The address identifier is based on the manual, from high to position, such as B6-11. The separator can be any special character or no separator.

读取支持Hsl特性的数据内容，该特性为HslDeviceAddressAttribute，详细参考api文档说明，或是官网的详细文档
Read the data content of the Hsl attribute. The attribute is HslDeviceAddressAttribute, please refer to the api documentation for details.

读取设备的通信地址，仅支持点对点通讯的情况，返回地址域数据，例如：149100007290
Read the communication address of the device, only support point-to-point communication, and return the address field data, for example: 149100007290

根据指定的数据标识来读取相关的原始数据信息，地址标识根据手册来，从高位到地位，例如 B6-11，分割符可以任意特殊字符或是没有分隔符。
Read the relevant original data information according to the specified data identifier. The address identifier is based on the manual, from high to position, such as B6-11. The separator can be any special character or no separator.

异步读取支持Hsl特性的数据内容，该特性为HslDeviceAddressAttribute，详细参考api文档说明
Asynchronously read the data content of the Hsl attribute. The attribute is HslDeviceAddressAttribute, please refer to the api documentation for details.

读取单个的Boolean数据信息
Read a single Boolean data message

批量读取Boolean数组信息，需要指定地址和长度，返回Boolean 数组
Batch read Boolean array information, need to specify the address and length, return Boolean array

异步读取单个的Boolean数据信息
Asynchronously read a single Boolean data message

异步批量读取Boolean数组信息，需要指定地址和长度，返回Boolean 数组
Asynchronously batch read Boolean array information, need to specify the address and length, return Boolean array

读取自定义的数据类型，需要继承自IDataTransfer接口，返回一个新的类型的实例对象。
To read a custom data type, you need to inherit from the IDataTransfer interface and return an instance object of a new type.

读取自定义的数据类型，需要继承自IDataTransfer接口，传入一个实例，对这个实例进行赋值，并返回该实例的对象。
To read a custom data type, you need to inherit from the IDataTransfer interface, pass in an instance, assign a value to this instance, and return the object of the instance.

读取自定义的数据类型，需要继承自IDataTransfer接口，返回一个新的类型的实例对象。
To read a custom data type, you need to inherit from the IDataTransfer interface and return an instance object of a new type.

读取自定义的数据类型，需要继承自IDataTransfer接口，传入一个实例，对这个实例进行赋值，并返回该实例的对象。
To read a custom data type, you need to inherit from the IDataTransfer interface, pass in an instance, assign a value to this instance, and return the object of the instance.

读取双浮点的数据
Read double floating point data

读取双浮点数据的数组
Read double floating point data array

异步读取双浮点的数据
Asynchronously read double floating point data

读取双浮点数据的数组
Read double floating point data array

读取单浮点数据
Read single floating point data

读取单浮点精度的数组
Read single floating point array

异步读取单浮点数据
Asynchronously read single floating point data

异步读取单浮点精度的数组
Asynchronously read single floating point array

将二进制的数据发送到管道中去，然后从管道里接收二进制的数据回来，并返回是否成功的结果对象。
Send binary data to the pipeline, and then receive binary data back from the pipeline, and return whether the success of the result object

将多个数据报文按顺序发到设备，并从设备接收返回的数据内容，然后拼接成一个Byte[]信息，需要重写UnpackResponseContent(Byte, Byte)方法才能返回正确的结果。
Send multiple data packets to the device in sequence, and receive the returned data content from the device, and then splicing them into a Byte[] message, you need to rewrite UnpackResponseContent(Byte, Byte) method to return the correct result.

将二进制的数据发送到管道中去，然后从管道里接收二进制的数据回来，并返回是否成功的结果对象。
Send binary data to the pipeline, and then receive binary data back from the pipeline, and return whether the success of the result object

使用指定的管道来进行数据通信，发送原始数据到管道，然后从管道接收相关的数据返回，本方法无锁

将二进制的数据发送到管道中去，然后从管道里接收二进制的数据回来，并返回是否成功的结果对象。
Send binary data to the pipeline, and then receive binary data back from the pipeline, and return whether the success of the result object

将多个数据报文按顺序发到设备，并从设备接收返回的数据内容，然后拼接成一个Byte[]信息，需要重写UnpackResponseContent(Byte, Byte)方法才能返回正确的结果。
Send multiple data packets to the device in sequence, and receive the returned data content from the device, and then splicing them into a Byte[] message, you need to rewrite UnpackResponseContent(Byte, Byte) method to return the correct result.

将二进制的数据发送到管道中去，然后从管道里接收二进制的数据回来，并返回是否成功的结果对象。
Send binary data to the pipeline, and then receive binary data back from the pipeline, and return whether the success of the result object

使用指定的管道来进行数据通信，发送原始数据到管道，然后从管道接收相关的数据返回，本方法无锁

读取16位的有符号的整型数据
Read 16-bit signed integer data

读取16位的有符号整型数组
Read 16-bit signed integer array

异步读取16位的有符号的整型数据
Asynchronously read 16-bit signed integer data

异步读取16位的有符号整型数组
Asynchronously read 16-bit signed integer array

读取32位的有符号整型
Read 32-bit signed integer

读取32位有符号整型数组
Read 32-bit signed integer array

异步读取32位的有符号整型
Asynchronously read 32-bit signed integer

异步读取32位有符号整型数组
Asynchronously read 32-bit signed integer array

读取64位的有符号整型
Read 64-bit signed integer

读取64位的有符号整型数组
Read 64-bit signed integer array

异步读取64位的有符号整型
Asynchronously read 64-bit signed integer

异步读取64位的有符号整型数组
Asynchronously read 64-bit signed integer array

读取字符串数据，默认为最常见的ASCII编码
Read string data, default is the most common ASCII encoding

使用指定的编码，读取字符串数据
Reads string data using the specified encoding

读取指定地址的所有的字符串数据信息，一般来说，一个地址只有一个数据

读取指定地址的所有的字符串数据信息，一般来说，一个地址只有一个数据

异步读取字符串数据，默认为最常见的ASCII编码
Asynchronously read string data, default is the most common ASCII encoding

使用指定的编码，读取字符串数据
Reads string data using the specified encoding

读取结构体类型的数据，根据结构体自身的定义，读取原始字节数组，然后解析出实际的结构体数据，结构体需要实现HslStructAttribute特性

读取结构体类型的数据，根据结构体自身的定义，读取原始字节数组，然后解析出实际的结构体数据，结构体需要实现HslStructAttribute特性

读取16位的无符号整型
Read 16-bit unsigned integer

读取16位的无符号整型数组
Read 16-bit unsigned integer array

异步读取16位的无符号整型
Asynchronously read 16-bit unsigned integer

异步读取16位的无符号整型数组
Asynchronously read 16-bit unsigned integer array

读取32位的无符号整型
Read 32-bit unsigned integer

读取32位的无符号整型数组
Read 32-bit unsigned integer array

异步读取32位的无符号整型
Asynchronously read 32-bit unsigned integer

异步读取32位的无符号整型数组
Asynchronously read 32-bit unsigned integer array

读取64位的无符号整型
Read 64-bit unsigned integer

读取64位的无符号整型的数组
Read 64-bit unsigned integer array

异步读取64位的无符号整型
Asynchronously read 64-bit unsigned integer

异步读取64位的无符号整型的数组
Asynchronously read 64-bit unsigned integer array

将当前的通信对象设置DTU模式，允许传入现成的管道，并返回初始化结果，如果该设备重写了握手报文，就是返回握手结果
Set the current communication object to DTU mode, allow the existing pipe to be passed in, and return the initialization result, if the device rewrites the handshake packet, the handshake result is returned

将当前的通信对象设置DTU模式，允许传入现成的管道，并返回初始化结果，如果该设备重写了握手报文，就是返回握手结果
Set the current communication object to DTU mode, allow the existing pipe to be passed in, and return the initialization result, if the device rewrites the handshake packet, the handshake result is returned

V11版本及之前设置长连接的方法，在V12版本以上中没有任何效果，默认长连接，删除调用即可，此处保留方法是为了部分用户保持兼容性升级。
The method of setting the long connection in V11 and before, has no effect in V12 and above. this method can be deleted. The method is retained here to maintain compatibility upgrades for some users.

合闸允许功能，需要指定有效截止时间，如果有需要可以指定其他的站号信息

合闸允许功能，需要指定有效截止时间，如果有需要可以指定其他的站号信息

Returns a string that represents the current object.

跳闸功能，需要指定有效截止时间，如果有需要可以指定其他的站号信息

跳闸功能，需要指定有效截止时间，如果有需要可以指定其他的站号信息

根据对方返回的报文命令，对命令进行基本的拆包，例如各种Modbus协议拆包为统一的核心报文，还支持对报文的验证
According to the message command returned by the other party, the command is basically unpacked, for example, various Modbus protocols are unpacked into a unified core message, and the verification of the message is also supported

等待指定地址的Boolean值为指定的值，可以指定刷新数据的频率，等待的超时时间，如果超时时间为-1的话，则是无期限等待。
Waiting for the Boolean value of the specified address to be the specified value, you can specify the frequency of refreshing the data, and the timeout time to wait. If the timeout time is -1, it is an indefinite wait.

等待指定地址的Int16值为指定的值，可以指定刷新数据的频率，等待的超时时间，如果超时时间为-1的话，则是无期限等待。
Waiting for the Int16 value of the specified address to be the specified value, you can specify the frequency of refreshing the data, and the timeout time to wait. If the timeout time is -1, it is an indefinite wait.

等待指定地址的Int32值为指定的值，可以指定刷新数据的频率，等待的超时时间，如果超时时间为-1的话，则是无期限等待。
Waiting for the Int32 value of the specified address to be the specified value, you can specify the frequency of refreshing the data, and the timeout time to wait. If the timeout time is -1, it is an indefinite wait.

等待指定地址的Int64值为指定的值，可以指定刷新数据的频率，等待的超时时间，如果超时时间为-1的话，则是无期限等待。
Waiting for the Int64 value of the specified address to be the specified value, you can specify the frequency of refreshing the data, and the timeout time to wait. If the timeout time is -1, it is an indefinite wait.

等待指定地址的UInt16值为指定的值，可以指定刷新数据的频率，等待的超时时间，如果超时时间为-1的话，则是无期限等待。
Waiting for the UInt16 value of the specified address to be the specified value, you can specify the frequency of refreshing the data, and the timeout time to wait. If the timeout time is -1, it is an indefinite wait.

等待指定地址的UInt32值为指定的值，可以指定刷新数据的频率，等待的超时时间，如果超时时间为-1的话，则是无期限等待。
Waiting for the UInt32 value of the specified address to be the specified value, you can specify the frequency of refreshing the data, and the timeout time to wait. If the timeout time is -1, it is an indefinite wait.

等待指定地址的UInt64值为指定的值，可以指定刷新数据的频率，等待的超时时间，如果超时时间为-1的话，则是无期限等待。
Waiting for the UInt64 value of the specified address to be the specified value, you can specify the frequency of refreshing the data, and the timeout time to wait. If the timeout time is -1, it is an indefinite wait.

等待指定地址的Boolean值为指定的值，可以指定刷新数据的频率，等待的超时时间，如果超时时间为-1的话，则是无期限等待。
Waiting for the Boolean value of the specified address to be the specified value, you can specify the frequency of refreshing the data, and the timeout time to wait. If the timeout time is -1, it is an indefinite wait.

等待指定地址的Int16值为指定的值，可以指定刷新数据的频率，等待的超时时间，如果超时时间为-1的话，则是无期限等待。
Waiting for the Int16 value of the specified address to be the specified value, you can specify the frequency of refreshing the data, and the timeout time to wait. If the timeout time is -1, it is an indefinite wait.

等待指定地址的Int32值为指定的值，可以指定刷新数据的频率，等待的超时时间，如果超时时间为-1的话，则是无期限等待。
Waiting for the Int32 value of the specified address to be the specified value, you can specify the frequency of refreshing the data, and the timeout time to wait. If the timeout time is -1, it is an indefinite wait.

等待指定地址的Int64值为指定的值，可以指定刷新数据的频率，等待的超时时间，如果超时时间为-1的话，则是无期限等待。
Waiting for the Int64 value of the specified address to be the specified value, you can specify the frequency of refreshing the data, and the timeout time to wait. If the timeout time is -1, it is an indefinite wait.

等待指定地址的UInt16值为指定的值，可以指定刷新数据的频率，等待的超时时间，如果超时时间为-1的话，则是无期限等待。
Waiting for the UInt16 value of the specified address to be the specified value, you can specify the frequency of refreshing the data, and the timeout time to wait. If the timeout time is -1, it is an indefinite wait.

等待指定地址的UInt32值为指定的值，可以指定刷新数据的频率，等待的超时时间，如果超时时间为-1的话，则是无期限等待。
Waiting for the UInt32 value of the specified address to be the specified value, you can specify the frequency of refreshing the data, and the timeout time to wait. If the timeout time is -1, it is an indefinite wait.

等待指定地址的UInt64值为指定的值，可以指定刷新数据的频率，等待的超时时间，如果超时时间为-1的话，则是无期限等待。
Waiting for the UInt64 value of the specified address to be the specified value, you can specify the frequency of refreshing the data, and the timeout time to wait. If the timeout time is -1, it is an indefinite wait.

写入单个的Boolean数据，返回是否成功
Write a single Boolean data, and return whether the write was successful

批量写入Boolean数组数据，返回是否成功
Batch write Boolean array data, return whether the write was successful

写入double数据，返回是否成功
Write double data, return whether the write was successful

写入double数组，返回是否成功
Write double array, return whether the write was successful

写入short数据，返回是否成功
Write short data, returns whether success

写入short数组，返回是否成功
Write short array, return whether the write was successful

写入int数据，返回是否成功
Write int data, return whether the write was successful

写入int[]数组，返回是否成功
Write int array, return whether the write was successful

写入long数据，返回是否成功
Write long data, return whether the write was successful

写入long数组，返回是否成功
Write long array, return whether the write was successful

写入float数据，返回是否成功
Write float data, return whether the write was successful

写入float数组，返回是否成功
Write float array, return whether the write was successful

写入字符串信息，编码为ASCII
Write string information, encoded as ASCII

写入ushort数据，返回是否成功
Write ushort data, return whether the write was successful

写入ushort数组，返回是否成功
Write ushort array, return whether the write was successful

写入uint数据，返回是否成功
Write uint data, return whether the write was successful

写入uint[]数组，返回是否成功
Write uint array, return whether the write was successful

写入ulong数据，返回是否成功
Write ulong data, return whether the write was successful

写入ulong数组，返回是否成功
Write ulong array, return whether the write was successful

根据指定的数据标识来写入相关的原始数据信息，地址标识根据手册来，从高位到地位，例如 B6-34(正向有功功率上限值)，分割符可以任意特殊字符或是没有分隔符。
Read the relevant original data information according to the specified data identifier. The address identifier is based on the manual, from high to position, such as B6-34. The separator can be any special character or no separator.

写入指定长度的字符串信息，如果超出，就截断字符串，如果长度不足，那就补0操作，编码为ASCII
Write string information of the specified length. If it exceeds the value, the string is truncated. If the length is not enough, it is filled with 0 and the encoding is ASCII.

写入字符串信息，需要指定的编码信息
Write string information, need to specify the encoding information

写入指定长度的字符串信息，如果超出，就截断字符串，如果长度不足，那就补0操作，编码为指定的编码信息
Write string information of the specified length. If it exceeds the value, the string is truncated. If the length is not enough, then the operation is complemented with 0 , you should specified the encoding information

写入支持Hsl特性的数据，返回是否写入成功，该特性为HslDeviceAddressAttribute，详细参考api文档说明
Write data that supports the Hsl attribute, and return whether the write was successful. The attribute is HslDeviceAddressAttribute, please refer to the api documentation for details.

写入设备的地址域信息，仅支持点对点通讯的情况，需要指定地址域信息，例如：149100007290
Write the address domain information of the device, only support point-to-point communication, you need to specify the address domain information, for example: 149100007290

写入设备的地址域信息，仅支持点对点通讯的情况，需要指定地址域信息，例如：149100007290
Write the address domain information of the device, only support point-to-point communication, you need to specify the address domain information, for example: 149100007290

异步批量写入Boolean数组数据，返回是否成功
Asynchronously batch write Boolean array data, return success

异步批量写入Boolean数组数据，返回是否成功
Asynchronously batch write Boolean array data, return success

异步写入double数据，返回是否成功
Asynchronously write double data, return whether the write was successful

异步写入double数组，返回是否成功
Asynchronously write double array, return whether the write was successful

异步写入short数据，返回是否成功
Asynchronously write short data, returns whether success

异步写入short数组，返回是否成功
Asynchronously write short array, return whether the write was successful

异步写入int数据，返回是否成功
Asynchronously write int data, return whether the write was successful

异步写入int[]数组，返回是否成功
Asynchronously write int array, return whether the write was successful

异步写入long数据，返回是否成功
Asynchronously write long data, return whether the write was successful

异步写入long数组，返回是否成功
Asynchronously write long array, return whether the write was successful

异步写入float数据，返回是否成功
Asynchronously write float data, return whether the write was successful

异步写入float数组，返回是否成功
Asynchronously write float array, return whether the write was successful

异步写入字符串信息，编码为ASCII
Asynchronously write string information, encoded as ASCII

异步写入ushort数据，返回是否成功
Asynchronously write ushort data, return whether the write was successful

异步写入ushort数组，返回是否成功
Asynchronously write ushort array, return whether the write was successful

异步写入uint数据，返回是否成功
Asynchronously write uint data, return whether the write was successful

异步写入uint[]数组，返回是否成功
Asynchronously write uint array, return whether the write was successful

异步写入ulong数据，返回是否成功
Asynchronously write ulong data, return whether the write was successful

异步写入ulong数组，返回是否成功
Asynchronously write ulong array, return whether the write was successful

根据指定的数据标识来写入相关的原始数据信息，地址标识根据手册来，从高位到地位，例如 B6-34(正向有功功率上限值)，分割符可以任意特殊字符或是没有分隔符。
Read the relevant original data information according to the specified data identifier. The address identifier is based on the manual, from high to position, such as B6-34. The separator can be any special character or no separator.

异步写入指定长度的字符串信息，如果超出，就截断字符串，如果长度不足，那就补0操作，编码为ASCII
Asynchronously write string information of the specified length. If it exceeds the value, the string is truncated. If the length is not enough, it is filled with 0 and the encoding is ASCII.

异步写入字符串信息，需要指定的编码信息
Asynchronously write string information, need to specify the encoding information

异步写入指定长度的字符串信息，如果超出，就截断字符串，如果长度不足，那就补0操作，编码为指定的编码信息
Asynchronously write string information of the specified length. If it exceeds the value, the string is truncated. If the length is not enough, then the operation is complemented with 0 , you should specified the encoding information

异步写入支持Hsl特性的数据，返回是否写入成功，该特性为HslDeviceAddressAttribute，详细参考api文档说明
Asynchronously write data that supports the Hsl attribute, and return whether the write was successful. The attribute is HslDeviceAddressAttribute, please refer to the api documentation for details.

写入自定义类型的数据，该类型必须继承自IDataTransfer接口
Write data of a custom type, which must inherit from the IDataTransfer interface

写入自定义类型的数据，该类型必须继承自IDataTransfer接口
Write data of a custom type, which must inherit from the IDataTransfer interface

获取当前对象的JSON格式表示的字符串。
Gets the string represented by the JSON format of the current object.