AI代码解释 s:="Golang"// s[0] = 'P' // 编译错误:cannot assign to s[0]runes:=[]rune(s)runes[0]='P's=string(runes)fmt.Println(s)// 输出: Polang 2. 字符串索引与UTF-8编码 由于Go字符串采用UTF-8编码,索引操作可能无法准确定位多字节字符。使用utf8.DecodeRun
leng int = len(str) ) for i := 0; i < leng; i++ { //sprintf转换数据类型为string,使用+进行拼接 result = result + fmt.Sprintf("%c", str[leng-i-1]) } return result } //输出结果如下 数据: hello world,长度: 11,数据类型: string 字节数组: [104 101 108 108 111 32 119 111 ...
}//replaceRune 字符替换func (st *SensitiveTrie) replaceRune(chars []rune, beginint, endint) {fori := begin; i < end; i++{ chars[i]=st.replaceChar } }//Match 查找替换发现的敏感词func (st *SensitiveTrie) Match(textstring) (sensitiveWords []string, replaceTextstring) {ifst.root =...
代码运行次数:0 // 截取字符串,支持多字节字符// start:起始下标,负数从从尾部开始,最后一个为-1// length:截取长度,负数表示截取到末尾funcSubStr(str string,start int,length int)(result string){s:=[]rune(str)total:=len(s)iftotal==0{return}// 允许从尾部开始计算ifstart<0{start=total+startif...
ISNULLABLE string `json:"IS_NULLABLE" DATATYPE string `json:"DATA_TYPE" CHARACTERMAXIMUMLENGTH uint64 `json:"CHARACTER_MAXIMUM_LENGTH" CHARACTEROCTETLENGTH uint64 `json:"CHARACTER_OCTET_LENGTH" NUMERICPRECISION uint64 `json:"NUMERIC_PRECISION" ...
fmt.Println(i,string(s)) } } 其他操作 str :="中国人民, hello world"index := strings.Index(str,"国")//存在则 index > -1, 否则 == -1 此时index=-3split := strings.Split(str,",") replace := strings.Replace(str,"o","2",1)//第三个参数标识替换几个,小于0,则替换所有result :...
_, _, errOrig := transform.String(encoder, orig) // Check if the replacement character can be encoded _, _, errReplacement := transform.String(encoder, replacement) if errOrig == nil { fmt.Printf("Mapping may be unnecessary: Original character %q can be encoded.\n", orig) ...
From a string value. For example: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 1language.Make("el"),language.Parse("en-UK") By composing parts of type Tag, Base, Script, Region, Variant, []Variant, Extension, []Extension or error. For example: ...
"DATETIME_PRECISION"` CHARACTERSETNAME string `json:"CHARACTER_SET_NAME"` COLLATIONNAME string `json:"COLLATION_NAME"` COLUMNTYPE string `json:"COLUMN_TYPE"` COLUMNKEY string `json:"COLUMN_KEY"` EXTRA string `json:"EXTRA"` PRIVILEGES string `json:"PRIVILEGES"` COLUMNCOMMENT string `json:"...
emitValue(String, str) case '0' <= r && r <= '9': l.backup() return number default: return l.error("unrecognized character: %#U", r) } return root } 其次,token => AST,当 token 确定之后,可以很方便构建一棵树。个人觉得这部分代码写得有点挫,详细可以看:expr/parser/parser.go ...