Add 0.7.6.md syntax highlighting
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55
zh/07.6.md
55
zh/07.6.md
@@ -6,7 +6,9 @@
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- func Contains(s, substr string) bool
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字符串s中是否包含substr,返回bool值
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```Go
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fmt.Println(strings.Contains("seafood", "foo"))
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fmt.Println(strings.Contains("seafood", "bar"))
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fmt.Println(strings.Contains("seafood", ""))
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@@ -17,43 +19,56 @@
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//true
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//true
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```
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- func Join(a []string, sep string) string
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字符串链接,把slice a通过sep链接起来
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```Go
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s := []string{"foo", "bar", "baz"}
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fmt.Println(strings.Join(s, ", "))
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//Output:foo, bar, baz
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```
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- func Index(s, sep string) int
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在字符串s中查找sep所在的位置,返回位置值,找不到返回-1
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```Go
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fmt.Println(strings.Index("chicken", "ken"))
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fmt.Println(strings.Index("chicken", "dmr"))
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//Output:4
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//-1
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```
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- func Repeat(s string, count int) string
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重复s字符串count次,最后返回重复的字符串
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```Go
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fmt.Println("ba" + strings.Repeat("na", 2))
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//Output:banana
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```
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- func Replace(s, old, new string, n int) string
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在s字符串中,把old字符串替换为new字符串,n表示替换的次数,小于0表示全部替换
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```Go
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fmt.Println(strings.Replace("oink oink oink", "k", "ky", 2))
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fmt.Println(strings.Replace("oink oink oink", "oink", "moo", -1))
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//Output:oinky oinky oink
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//moo moo moo
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```
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- func Split(s, sep string) []string
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把s字符串按照sep分割,返回slice
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```Go
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fmt.Printf("%q\n", strings.Split("a,b,c", ","))
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fmt.Printf("%q\n", strings.Split("a man a plan a canal panama", "a "))
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fmt.Printf("%q\n", strings.Split(" xyz ", ""))
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@@ -62,27 +77,35 @@
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//["" "man " "plan " "canal panama"]
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//[" " "x" "y" "z" " "]
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//[""]
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```
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- func Trim(s string, cutset string) string
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在s字符串的头部和尾部去除cutset指定的字符串
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```Go
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fmt.Printf("[%q]", strings.Trim(" !!! Achtung !!! ", "! "))
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//Output:["Achtung"]
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```
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- func Fields(s string) []string
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去除s字符串的空格符,并且按照空格分割返回slice
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```Go
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fmt.Printf("Fields are: %q", strings.Fields(" foo bar baz "))
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//Output:Fields are: ["foo" "bar" "baz"]
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```
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## 字符串转换
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字符串转化的函数在strconv中,如下也只是列出一些常用的:
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- Append 系列函数将整数等转换为字符串后,添加到现有的字节数组中。
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```Go
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package main
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import (
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@@ -98,8 +121,10 @@
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str = strconv.AppendQuoteRune(str, '单')
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fmt.Println(string(str))
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}
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```
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- Format 系列函数把其他类型的转换为字符串
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```Go
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package main
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@@ -117,8 +142,12 @@
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fmt.Println(a, b, c, d, e)
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}
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```
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- Parse 系列函数把字符串转换为其他类型
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```Go
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package main
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import (
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@@ -144,7 +173,7 @@
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fmt.Println(a, b, c, d, e)
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}
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```
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## links
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* [目录](<preface.md>)
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