-
Notifications
You must be signed in to change notification settings - Fork 2
/
String.go
103 lines (83 loc) · 2.77 KB
/
String.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
package comm
import (
"fmt"
"regexp"
"strconv"
"strings"
)
//字符串转float
func Str2Float(in string) (out float64) {
out, _ = strconv.ParseFloat(in, 64)
return
}
//字符串转int
func Str2Int64(in string) (out int64) {
out, _ = strconv.ParseInt(in, 10, 64)
return
}
func Str2Int(in string) (out int) {
i32 , _ := strconv.ParseInt(in, 10, 32)
out = int(i32)
return
}
//数值类型转字符串
func Decimal2Str(in interface{}) (out string) {
out = fmt.Sprintf("%v", in)
return
}
//UTF-8字符串查找(按UTF-8字符算一个位置)
func StrIndexUtf8(strIn, strSub string) (RuneIdx int){
// 子串在字符串的字节位置
RuneIdx = strings.Index(strIn, strSub)
if RuneIdx >= 0 {
// 获得子串之前的字符串并转换成[]byte
prefix := []byte(strIn)[0:RuneIdx]
// 将子串之前的字符串转换成[]rune
rs := []rune(string(prefix))
// 获得子串之前的字符串的长度,便是子串在字符串的字符位置
RuneIdx = len(rs)
fmt.Println("StrIndexUtf8 原始字符串[", strIn,"]子串[", strSub,"]所在位置[", RuneIdx, "]")
}
return RuneIdx
}
//UTF-8字符串截取子串后字符串(bInclude true 表示包括子串,false 表示不包括)
func Utf8StrGetTail(strIn, strSub string, bInclude bool) (bFound bool, strOut string){
var idx int
strOut = strIn
idx = strings.Index(strIn, strSub)
//fmt.Println("Utf8StrGetFront len(strSub) =", len(strSub))
if idx != -1 {
bFound = true
if bInclude {
strOut = string(strIn[idx:])
//fmt.Println("Utf8StrGetTail 原始字符串[", strIn,"]子串[", strSub,"]截取字符(包含子串)串结果[", strOut,"]")
}else{
strOut = string(strIn[idx+len(strSub):])
//fmt.Println("Utf8StrGetTail 原始字符串[", strIn,"]子串[", strSub,"]截取字符串结果[", strOut,"]")
}
}
return
}
//UTF-8字符串截取子串前面的字符串(bInclude true 表示包括子串,false 表示不包括)
func Utf8StrGetFront(strIn, strSub string, bInclude bool) (bFound bool, strOut string){
var idx int
strOut = strIn
idx = strings.Index(strIn, strSub)
//fmt.Println("Utf8StrGetFront len(strSub) =", len(strSub))
if idx != -1 {
bFound = true
if bInclude {
strOut = string(strIn[:idx+len(strSub)])
//fmt.Println("Utf8StrGetFront 原始字符串[", strIn,"]子串[", strSub,"]截取字符(包含子串)串结果[", strOut,"]")
}else{
strOut = string(strIn[:idx])
//fmt.Println("Utf8StrGetFront 原始字符串[", strIn,"]子串[", strSub,"]截取字符串结果[", strOut,"]")
}
}
return
}
//通过正则表达式提取符合规则的子串
func RegexpSubStr(strIn, strRegExp string) ([]string) {
comp := regexp.MustCompile(strRegExp)
return comp.FindStringSubmatch(strIn)
}