如何在 Golang 中连接两个字符串?
在 Golang 中连接两个字符串的最简单方法是使用“+”运算符。例如,
示例 1
package main
import (
"fmt"
)
func main() {
str1 := "Hello..."
str2 := "How are you doing?"
fmt.Println("1st String:", str1)
fmt.Println("2nd String:", str2)
// Concatenate using the + Operator
fmt.Println("Concatenated String:", str1 + str2)
}输出
将产生以下输出
1st String: Hello... 2nd String: How are you doing? Concatenated String: Hello...How are you doing?
使用 strings.Join() 连接
strings.Join() 是 Golang 中内置的一个函数,用于将多个字符串连接成一个字符串。
语法
其语法如下:
func Join(stringSlice []string, sep string) string
其中:
- stringSlice – 要连接的字符串。
- sep – 要放在切片元素之间的分隔字符串。
示例 2
让我们考虑以下示例:
package main
import (
"fmt"
"strings"
)
func main() {
// Initializing the Strings
m := []string{"IndexByte", "String", "Function"}
n := []string{"Golang", "IndexByte", "String", "Package"}
// Display the Strings
fmt.Println("Set 1 - Slices of Strings:", m)
fmt.Println("Set 2 - Slices of Strings:", n)
// Using the Join Function
output1 := strings.Join(m, "-")
output2 := strings.Join(m, "/")
output3 := strings.Join(n, "*")
output4 := strings.Join(n, "$")
// Display the Join Output
fmt.Println("\n Joining the slices of Set 1 with '-' delimiter: \n", output1)
fmt.Println("\n Joining the slices of Set 1 with '/' delimiter: \n", output2)
fmt.Println("\n Joining the slices of Set 2 with '*' delimiter: \n", output3)
fmt.Println("\n Joining the slices of Set 2 with '$' delimiter: \n", output4)
}输出
它将生成以下输出:
Set 1 - Slices of Strings: [IndexByte String Function] Set 2 - Slices of Strings: [Golang IndexByte String Package] Joining the slices of Set 1 with '-' delimiter: IndexByte-String-Function Joining the slices of Set 1 with '/' delimiter: IndexByte/String/Function Joining the slices of Set 2 with '*' delimiter: Golang*IndexByte*String*Package Joining the slices of Set 2 with '$' delimiter: Golang$IndexByte$String$Package
示例 3
我们再来看一个示例。
package main
import (
"fmt"
"strings"
)
func main() {
// Defining the Variables
var s []string
var substr string
var substr1 string
var result string
var output string
// Intializing the Strings
s = []string{"This", "is", "String", "Function"}
substr = "..."
substr1 = " "
// Display the input slice of strings
fmt.Println("Input Slice of Strings:", s)
// Using the Join Function
result = strings.Join(s, substr)
output = strings.Join(s, substr1)
// Displaying output of Join function
fmt.Println("Joining with '...' delimiter:", result)
fmt.Println("Joining with ' ' delimiter:", output)
}输出
它将生成以下输出:
Input Slice of Strings: [This is String Function] Joining with '...' delimiter: This...is...String...Function Joining with ' ' delimiter: This is String Function
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