/
utils.go
199 lines (178 loc) · 4.63 KB
/
utils.go
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
196
197
198
199
// Copyright 2017 Vckai Author. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package utils
import (
"encoding/hex"
"errors"
"fmt"
"reflect"
"strconv"
"strings"
"github.com/axgle/mahonia"
"golang.org/x/crypto/scrypt"
)
var (
ErrHttpNotFound = errors.New("请求未发现")
ErrHttpError = errors.New("请求错误")
)
// ParseBool returns the boolean value represented by the string.
//
// It accepts 1, 1.0, t, T, TRUE, true, True, YES, yes, Yes,Y, y, ON, on, On,
// 0, 0.0, f, F, FALSE, false, False, NO, no, No, N,n, OFF, off, Off.
// Any other value returns an error.
func ParseBool(val interface{}) (value bool, err error) {
if val != nil {
switch v := val.(type) {
case bool:
return v, nil
case string:
switch v {
case "1", "t", "T", "true", "TRUE", "True", "YES", "yes", "Yes", "Y", "y", "ON", "on", "On":
return true, nil
case "0", "f", "F", "false", "FALSE", "False", "NO", "no", "No", "N", "n", "OFF", "off", "Off":
return false, nil
}
case int8, int32, int64:
strV := fmt.Sprintf("%s", v)
if strV == "1" {
return true, nil
} else if strV == "0" {
return false, nil
}
case float64:
if v == 1 {
return true, nil
} else if v == 0 {
return false, nil
}
}
return false, fmt.Errorf("parsing %q: invalid syntax", val)
}
return false, fmt.Errorf("parsing <nil>: invalid syntax")
}
// convert any type to string
func ToStr(value interface{}, args ...int) (s string) {
switch v := value.(type) {
case bool:
s = strconv.FormatBool(v)
case float32:
s = strconv.FormatFloat(float64(v), 'f', argInt(args).Get(0, -1), argInt(args).Get(1, 32))
case float64:
s = strconv.FormatFloat(v, 'f', argInt(args).Get(0, -1), argInt(args).Get(1, 64))
case int:
s = strconv.FormatInt(int64(v), argInt(args).Get(0, 10))
case int8:
s = strconv.FormatInt(int64(v), argInt(args).Get(0, 10))
case int16:
s = strconv.FormatInt(int64(v), argInt(args).Get(0, 10))
case int32:
s = strconv.FormatInt(int64(v), argInt(args).Get(0, 10))
case int64:
s = strconv.FormatInt(v, argInt(args).Get(0, 10))
case uint:
s = strconv.FormatUint(uint64(v), argInt(args).Get(0, 10))
case uint8:
s = strconv.FormatUint(uint64(v), argInt(args).Get(0, 10))
case uint16:
s = strconv.FormatUint(uint64(v), argInt(args).Get(0, 10))
case uint32:
s = strconv.FormatUint(uint64(v), argInt(args).Get(0, 10))
case uint64:
s = strconv.FormatUint(v, argInt(args).Get(0, 10))
case string:
s = v
case []byte:
s = string(v)
default:
s = fmt.Sprintf("%v", v)
}
return s
}
type argInt []int
func (a argInt) Get(i int, args ...int) (r int) {
if i >= 0 && i < len(a) {
r = a[i]
}
if len(args) > 0 {
r = args[0]
}
return
}
// convert any numeric value to int64
func ToInt64(value interface{}) (d int64, err error) {
val := reflect.ValueOf(value)
switch value.(type) {
case int, int8, int16, int32, int64:
d = val.Int()
case uint, uint8, uint16, uint32, uint64:
d = int64(val.Uint())
default:
err = fmt.Errorf("ToInt64 need numeric not `%T`", value)
}
return
}
// 返回参数的类型
func Type(v interface{}) string {
t := reflect.TypeOf(v)
k := t.Kind()
return k.String()
}
// 判断是否在数组中
func InArray(in interface{}, list interface{}) bool {
ret := false
if in == nil {
in = ""
}
// 判断list是否slice
l := reflect.TypeOf(list).String()
t := Type(in)
if "[]"+t != l {
return false
}
switch t {
case "string":
tv := reflect.ValueOf(in).String()
for _, l := range list.([]string) {
v := reflect.ValueOf(l)
if tv == v.String() {
ret = true
break
}
}
case "int":
tv := reflect.ValueOf(in).Int()
for _, l := range list.([]int) {
v := reflect.ValueOf(l)
if tv == v.Int() {
ret = true
break
}
}
}
return ret
}
// gbk convert utf-8
func GBK2UTF(text string) string {
enc := mahonia.NewDecoder("GB18030")
text = enc.ConvertString(text)
return strings.Replace(text, "聽", " ", -1)
}
// 通过scrypt生成密码
func NewPass(passwd, salt string) (string, error) {
dk, err := scrypt.Key([]byte(passwd), []byte(salt), 16384, 8, 1, 32)
if err != nil {
return "", err
}
return hex.EncodeToString(dk), nil
}