golang的模板也支持if的条件判断,当前支持最简单的bool类型和字符串类型的判断 {{if .condition}} {{end}} 当.condition为bool类型的时候,则为true表示执行,当.condition为string类型的时候,则非空表示执行。 当然也支持else , else if嵌套 {{if .condition1}} {{else if .contition2}} {{end}} 假设我们...
if(i % j == 0) { break // 如果发现因子,则不是素数 } } if(j > (i / j)) { fmt.Printf("%d 是素数\n", i) } } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 运行结果: 循环控制语句 循环控制语句可以控制循环体内语句的执行过程。 G...
not非{{not true}} 关于and和or返回的真值很好理解: and判断到最后一个值才能知道结果为真,因此真返回最后一个值。 or判断到第一个真值则可断定结果为真,因此返回第一个真值。 示例 packagemainimport("os""text/template")funcmain(){nameList:="a"t:=template.New("xiShu")t=template.Must(t.Parse(`{...
=1{// 1、从消息队列中获取数据msg:=p.mq.Consume("monitor.topic")log:=msg.Payload()// 2、对数据进行字段提取操作matches:=p.pattern.FindStringSubmatch(log)iflen(matches)!=3{returnevent}record:=model.NewMonitoryRecord()record.Endpoint=matches[1]record.Type=model.Type(matches[2])// 3.存储...
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Add YEAR, MONTH, MONTH_ENGLISH, DAY variables for template repos (#31584) Add typescript guideline and typescript-specific eslint plugins and fix issues (#31521) Make toast support preventDuplicates (#31501) Fix tautological conditions (#30735) API Implement update branch API (#32433) Fix...
{{define “T3”}}{{template “T1”}} {{template “T2”}}{{end}} {{template “T3”}} 输出: ONE TWO 定义局部变量 用法1: {{with pipeline}} T1 {{end}} 管道的值将赋给该标签内部的“.”。(注:这里的“内部”一词是指被{{with pipeline}}…{{end}}包围起来的部分,即T1所在位置) ...
sheng$ go tool pprof cpu.outMain binary filename not available. Type: cpu Time: May9,2018at5:40pm (CST) Duration:907.82ms, Total samples =600ms (66.09%)Entering interactivemode(type"help"forcommands,"o"foroptions)(pprof) 这时候出现了一个交互式的命令行,我们可以通过输入 help 得到相关的使...
iferr!=nil{msg:=localizer.MustLocalize(&i18n.LocalizeConfig{MessageID:"thread_not_found",})errorMessage(writer,request,msg)}else{...} 测试消息本地化 重新启动应用,如果试图访问一个不存在的群组页面,就会返回如下中文提示信息: -w735 说明我们的本地化翻译生效了,当然这里只是使用了go-i18n提供的最基本...