目前只实现了java生成的固定的uuid：85bb94b8-fd4b-4e1c-8f49-3cedd49d8f28的序列化
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
package mainimport ( "encoding/binary" "encoding/json" "fmt" "log" "os" "strings" "time" "github.com/Shopify/sarama" "github.com/google/uuid")const ( DATE_TIME_PATTERN = "" STREAM_MAGIC = 0xaced STREAM_VERSION = 5 TC_STRING = 0x74 TC_OBJECT = 0x73 TC_CLASSDESC = 0x72 SC_SERIALIZABLE = 0x02 TC_ENDBLOCKDATA = 0x78 TC_NULL = 0x70)func main() { uuidTest()}func uuidTest() { f, _ := os.Create("uuid-go.out") defer f.Close() f.Write(ShortBytes(STREAM_MAGIC)) f.Write(ShortBytes(STREAM_VERSION)) f.Write([]byte{TC_OBJECT}) f.Write([]byte{TC_CLASSDESC}) className := "java.util.UUID" classNameLen := len(className) f.Write(ShortBytes(uint16(classNameLen))) f.Write([]byte(className)) sid := -4856846361193249489 f.Write(LongBytes(uint64(sid))) //flags f.Write([]byte{2}) //fields length f.Write(ShortBytes(2)) //field type code f.Write([]byte{'J'}) f1 := "leastSigBits" f1Len := len(f1) f.Write(ShortBytes(uint16(f1Len))) f.Write([]byte(f1)) //filed type code f.Write([]byte{'J'}) f2 := "mostSigBits" f2Len := len(f2) f.Write(ShortBytes(uint16(f2Len))) f.Write([]byte(f2)) f.Write([]byte{TC_ENDBLOCKDATA}) f.Write([]byte{TC_NULL}) leastSigBits := -8121893460813967576 f.Write(LongBytes(uint64(leastSigBits))) mostSigBits := -8810284723775779300 f.Write(LongBytes(uint64(mostSigBits)))}func ShortBytes(i uint16) []byte { bytes := make([]byte, 2) binary.BigEndian.PutUint16(bytes, i) return bytes}func LongBytes(i uint64) []byte { bytes := make([]byte, 8) binary.BigEndian.PutUint64(bytes, i) return bytes}func BigEndian() { // 大端序 // 二进制形式：0000 0000 0000 0000 0001 0002 0003 0004 var testInt int32 = 0x01020304 // 十六进制表示 fmt.Printf("%d use big endian: \n", testInt) var testBytes []byte = make([]byte, 4) binary.BigEndian.PutUint32(testBytes, uint32(testInt)) //大端序模式 fmt.Println("int32 to bytes:", testBytes) convInt := binary.BigEndian.Uint32(testBytes) //大端序模式的字节转为int32 fmt.Printf("bytes to int32: %d\n\n", convInt)}func LittleEndian() { // 小端序 //二进制形式： 0000 0000 0000 0000 0001 0002 0003 0004 var testInt int32 = 0x01020304 // 16进制 fmt.Printf("%d use little endian: \n", testInt) var testBytes []byte = make([]byte, 4) binary.LittleEndian.PutUint32(testBytes, uint32(testInt)) //小端序模式 fmt.Println("int32 to bytes:", testBytes) convInt := binary.LittleEndian.Uint32(testBytes) //小端序模式的字节转换 fmt.Printf("bytes to int32: %d\n\n", convInt)}func Int64ToBytes(i int64) []byte { var buf = make([]byte, 8) binary.BigEndian.PutUint64(buf, uint64(i)) return buf} |
java读取测试
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
|
public class Test { public static void main(String[] args) throws IOException, ClassNotFoundException { readUUIDTest(); } private static void readUUIDTest() throws IOException, ClassNotFoundException { try (var fis = new FileInputStream("uuid-go.out"); var is = new ObjectInputStream(fis)) { var uuid = is.readObject(); System.out.print(uuid); } }} |
到此这篇关于golang实现java uuid的序列化方法的文章就介绍到这了,更多相关golang实现java uuid序列化内容请搜索服务器之家以前的文章或继续浏览下面的相关文章希望大家以后多多支持服务器之家！
原文链接：https://www.jianshu.com/p/ebf9fe8d234d
