我感觉楼主是要用go，收json，然后转成私有udp发出去。
【 在 flw 的大作中提到: 】
: 你这里的 test.abc = 5 最好改成 test.abc = htons(5)，  
: 然后 Go 这边你用 encoding/binary 就可以读了，参见：  
:  
: $ go doc encoding/binary.Read  
: package binary // import "encoding/binary"  
:  
: func Read(r io.Reader, order ByteOrder, data interface{}) error  
: Read reads structured binary data from r into data. Data must be a pointer  
: to a fixed-size value or a slice of fixed-size values. Bytes read from r are  
: decoded using the specified byte order and written to successive fields of  
: the data. When decoding boolean values, a zero byte is decoded as false, and  
: any other non-zero byte is decoded as true. When reading into structs, the  
: field data for fields with blank (_) field names is skipped; i.e., blank  
: field names may be used for padding. When reading into a struct, all  
: non-blank fields must be exported or Read may panic.  
:  
: The error is EOF only if no bytes were read. If an EOF happens after reading  
: some but not all the bytes, Read returns ErrUnexpectedEOF.  
: --

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