给定一篇英语文章,要求统计出所有单词的个数,并按一定次序输出。思路是利用go语言的map类型,以每个单词作为关键字存储数量信息,代码实现如下:
package main
import ( "fmt" "sort" ) func wordCounterV1(str string) { /*定义变量*/ stringSlice := str[:] temp := str[:] wordStatistic := make(map[string]int) /*把所有出现的单词放入map中*/ j := 0 for i := 0; i < len(stringSlice); i++ { if !((stringSlice[i] >= 65 && stringSlice[i] <= 90) || (stringSlice[i] >= 97 && stringSlice[i] <= 122)) { temp = str[j:i] if len(temp) != 0 { wordStatistic[temp]++ } j = i + 1 } } /*把首字母为大写的单词转换为小写;去除无效字符*/ for i := range wordStatistic { if len(i) > 1 { if (i[0] >= 65 && i[0] <= 90) && (i[1] <= 65 || i[1] >= 90) { strTemp := make([]byte, len(i), len(i)) copy(strTemp, i) strTemp[0] += 32 wordStatistic[string(strTemp)] += wordStatistic[i] delete(wordStatistic, i) } } else { if i[0] != 'a' && i[0] != 'A' { delete(wordStatistic, i) } else if i[0] == 'A' { wordStatistic["a"] += wordStatistic[i] delete(wordStatistic, i) } } } /*把map的关键字映射到string切片进行排序*/ sortSlice := make([]string, 0, len(wordStatistic)) for i := range wordStatistic { sortSlice = append(sortSlice, i) } sort.Strings(sortSlice) /*输出结果*/ for _, v := range sortSlice { fmt.Printf("%s:%d\n", v, wordStatistic[v]) } fmt.Printf("word count:%d\n", len(wordStatistic)) }
主函数随便输入一篇英语文章
func main() { str := ` There are moments in life when you miss someone so much that you just want to pick them from your dreams and hug them for real! Dream what you want to dream;go where you want to go;be what you want to be,because you have only one life and one chance to do all the things you want to do. May you have enough happiness to make you sweet,enough trials to make you strong,enough sorrow to keep you human,enough hope to make you happy"htmlcode">C:\Users\24213\go project>cd src\github.com\go-study\lesson6\practice1 C:\Users\24213\go project\src\github.com\go-study\lesson6\practice1>go build C:\Users\24213\go project\src\github.com\go-study\lesson6\practice1>practice1 a:4 all:1 along:1 always:2 and:8 another:1 appreciate:2 are:2 around:2 bad:1 based:1 be:3 because:1 begins:1 best:1 born:1 brighten:1 brighter:1 brightest:1 can:2 chance:1 comes:1 cry:1 crying:2 day:1 die:1 do:2 don:3 down:1 dream:2 dreams:1 ends:1 enough:4 everyone:2 everything:2 failures:1 feel:1 for:3 forgotten:1 friendship:1 from:1 future:1 go:4 grows:1 happen:1 happiest:1 happiness:2 happy:1 have:7 heartaches:1 hope:1 hug:1 human:1 hurt:1 hurts:2 if:2 importance:1 in:4 is:2 it:3 just:3 keep:1 kiss:1 know:1 let:2 lies:1 life:5 live:1 lives:1 love:1 make:6 may:1 mean:1 message:2 miss:2 moments:1 most:1 much:1 necessarily:1 need:1 nothing:1 of:6 on:3 one:4 only:2 opportunity:1 or:1 other:1 others:1 out:1 past:2 people:3 person:1 pick:1 please:1 probably:1 put:1 re:1 real:1 really:2 searched:1 see:1 send:1 shoes:1 side:1 smile:2 smiling:2 so:2 someone:2 something:1 sorrow:1 strong:1 sweet:1 tear:1 that:6 the:10 their:3 them:3 there:1 they:2 things:2 this:2 those:9 to:19 too:1 touched:2 trials:1 tried:1 until:1 want:6 was:1 way:2 well:1 were:2 what:2 when:5 where:1 who:10 will:3 with:4 worry:1 you:32 your:4 yourself:1 word count:144总结
以上所述是小编给大家介绍的go语言之给定英语文章统计单词数量(go语言小练习),希望对大家有所帮助!
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