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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
| package pkg
|
| import (
| "bytes"
| "encoding/json"
| "errors"
| "fmt"
| "io"
| "net/http"
| "strconv"
| "time"
|
| "gat1400Exchange/pkg/logger"
| "gat1400Exchange/vo"
| )
|
| func SendData(payload []byte, url string) bool {
| body, err := HttpPost(url, nil, payload)
| if err != nil {
| logger.Error("Post request failure, url:%s, err:%s", url, err.Error())
| return false
| }
|
| var rsp vo.SyncServerResponse
| err = json.Unmarshal(body, &rsp)
| if err != nil {
| logger.Error("Can't parse response, url:%s, rsp: %v", url, body)
| return false
| }
|
| return rsp.Success
| }
|
| func HttpPost(url string, header map[string]string, data []byte) ([]byte, error) {
| req, err := http.NewRequest(http.MethodPost, url, bytes.NewBuffer(data))
| if err != nil {
| return nil, err
| }
|
| if header != nil {
| for k, v := range header {
| req.Header.Set(k, v)
| }
| }
|
| cli := &http.Client{}
| resp, err := cli.Do(req)
| if err != nil {
| return nil, err
| }
|
| defer resp.Body.Close()
| body, err := io.ReadAll(resp.Body)
| if err != nil {
| return nil, err
| }
|
| return body, nil
| }
|
| func HttpPut(url string, header map[string]string, data []byte) ([]byte, error) {
| req, err := http.NewRequest(http.MethodPut, url, bytes.NewBuffer(data))
| if err != nil {
| return nil, err
| }
|
| //req.Header.Set("Content-Type", "applicaiton/json; charset=UTF-8")
| if header != nil {
| for k, v := range header {
| req.Header.Set(k, v)
| }
| }
|
| cli := &http.Client{}
| resp, err := cli.Do(req)
| if err != nil {
| return nil, err
| }
|
| cli.CloseIdleConnections()
| defer resp.Body.Close()
| body, err := io.ReadAll(resp.Body)
| if err != nil {
| return nil, err
| }
|
| return body, nil
| }
|
| func HttpGet(url string, header map[string]string) ([]byte, error) {
| req, err := http.NewRequest(http.MethodGet, url, nil)
| if err != nil {
| return nil, err
| }
|
| //req.Header.Set("Content-Type", "applicaiton/json; charset=UTF-8")
| if header != nil {
| for k, v := range header {
| req.Header.Set(k, v)
| }
| }
| cli := &http.Client{}
| resp, err := cli.Do(req)
| if err != nil {
| return nil, err
| }
|
| defer resp.Body.Close()
| body, err := io.ReadAll(resp.Body)
| if err != nil {
| return nil, err
| }
|
| return body, nil
| }
|
| func ImageDownload(downloadUrl string, fb func(length, downLen int64)) ([]byte, error) {
| var (
| fSize int64
| buf = make([]byte, 10*1024)
| buffer bytes.Buffer
| written int64
| )
|
| request, err := http.NewRequest("GET", downloadUrl, nil)
| if err != nil {
| return nil, err
| }
|
| //创建一个http client
| client := new(http.Client)
| client.Timeout = time.Second * 600 //设置超时时间
|
| // get方法获取资源
| resp, err := client.Do(request)
| if err != nil {
| return nil, err
| }
|
| if resp.StatusCode != 200 {
| return nil, errors.New(fmt.Sprintf("请求失败, 状态码:%d", resp.StatusCode))
| }
|
| //读取服务器返回的文件大小
| fSize, err = strconv.ParseInt(resp.Header.Get("Content-Length"), 10, 32)
| if err != nil {
| return nil, err
| }
|
| if resp.Body == nil {
| return nil, errors.New("body is null")
| }
|
| defer resp.Body.Close()
|
| //下面是 io.copyBuffer() 的简化版本
| for {
| //读取bytes
| nr, er := resp.Body.Read(buf)
| if nr > 0 {
| //写入bytes
| nw, ew := buffer.Write(buf[0:nr])
| //数据长度大于0
| if nw > 0 {
| written += int64(nw)
| }
|
| //写入出错
| if ew != nil {
| err = ew
| break
| }
|
| //读取是数据长度不等于写入的数据长度
| if nr != nw {
| err = io.ErrShortWrite
| break
| }
| }
|
| if er != nil {
| if er != io.EOF {
| err = er
| }
| break
| }
|
| //没有错误了快使用 callback
| if fb != nil {
| fb(fSize, written)
| }
| }
|
| return buffer.Bytes(), err
| }
|
|
