Go字符串是可变宽度字符的序列。
Go字符串和文本文件占用更少的内存或磁盘空间。由于UTF-8是标准, 所以Go不需要编码和解码字符串。
Go字符串是值类型, 并且是不可变的。这意味着, 如果你创建一个字符串, 则无法修改该字符串的内容。字符串的初始值默认为空“”。
转到字符串示例
package main
import ("fmt"
"reflect"
)
func main(){
var x string = "Hello World"
fmt.Println(x)
fmt.Println(reflect.TypeOf(x))
}输出：
Hello World
string仅转到字符串()示例
package main
import "fmt"
func main() {
str := "I love my country"
fmt.Println(len(str))
}输出：
17转到打印ASCII示例
package main
import "fmt"
func main() {
fmt.Println("Ascii value of A is ", "A"[0])
}输出：
Ascii value of A is65Go String ToUpper()示例
package main
import "fmt"
import "strings"
func main() {
str := "india"
fmt.Println(strings.ToUpper(str))
}输出：
INDIAGo String ToLower()示例
package main
import "fmt"
import "strings"
func main() {
str := "INDIA"
fmt.Println(strings.ToLower(str))
}输出：
india转到字符串HasPrefix()示例
package main
import "fmt"
import "strings"
func main() {
s := "INDIA"
fmt.Println(strings.HasPrefix(s, "IN"))
}输出：
true转到字符串HasSuffix()示例
package main
import "fmt"
import "strings"
func main() {
s := "INDIA"
fmt.Println(strings.HasSuffix(s, "IA"))
}输出：
trueGo String Join()示例
package main
import "fmt"
import "strings"
func main() {
var arr = []string{"a", "b", "c", "d"}
fmt.Println(strings.Join(arr, "*"))
}【Go使用字符串】输出：
a*b*c*d转到String Repeat()示例
package main
import "fmt"
import "strings"
func main() {
var str = "New "
fmt.Println(strings.Repeat(str, 4))
}输出：
New New New New转到String Contains()示例
package main
import "fmt"
import "strings"
func main() {
str:= "Hi...there"
fmt.Println(strings.Contains(str, "th"))
}输出：
true转到String Index()示例
package main
import "fmt"
import "strings"
func main() {
str:= "Hi...there"
fmt.Println(strings.Index(str, "th"))
}输出：
5Go String Count()示例
package main
import "fmt"
import "strings"
func main() {
str:= "Hi...there"
fmt.Println(strings.Count(str, "e"))
}输出：
2转到String Replace()示例
package main
import "fmt"
import "strings"
func main() {
str:= "Hi...there"
fmt.Println(strings.Replace(str, "e", "Z", 2))
}输出：
Hi...thZrZ转到String Split()示例
package main
import "fmt"
import "strings"
func main() {
str := "I, love, my, country"
var arr []string = strings.Split(str, ", ")
fmt.Println(len(arr))
for i, v := range arr {
fmt.Println("Index : ", i, "value : ", v)
}
}输出：
4
Index :0 value :I
Index :1 value :love
Index :2 value :my
Index :3 value :countryGo String Split()示例2
package main
import (
"fmt"
"strings"
)
func main() {
fmt.Printf("%q\n", strings.Split("x, y, z", ", "))
fmt.Printf("%q\n", strings.Split(" John and Jack and Johnny and Jinn ", "and"))
fmt.Printf("%q\n", strings.Split(" abc ", ""))
fmt.Printf("%q\n", strings.Split("", "Hello"))
}输出：
["x" "y" "z"]
[" John " " Jack " " Johnny " " Jinn"]
[" " "a" "b" "c" " "]
[""]转到String Compare()示例
package main
import (
"fmt"
"strings"
)
func main() {
fmt.Println(strings.Compare("a", "b"))
fmt.Println(strings.Compare("a", "a"))
fmt.Println(strings.Compare("b", "a"))
}输出：
-1
0
1Go String Trim()示例
package main
import (
"fmt"
"strings"
)
func main() {
fmt.Println(strings.TrimSpace(" \t\n I love my country\n\t\r\n"))
}输出：
I love my country转到String ContainsAny()示例
package main
import (
"fmt"
"strings"
)
func main() {
fmt.Println(strings.ContainsAny("Hello", "A"))
fmt.Println(strings.ContainsAny("Hello", "o &
e"))
fmt.Println(strings.ContainsAny("Hello", ""))
fmt.Println(strings.ContainsAny("", ""))
}输出：
false
true
false
false
