/images/avatar.webp

五岁博客

Go Gin 框架如何使用 websocket

在 Web 开发中,实时通讯是很多场景的核心需求 —— 比如在线聊天、实时数据监控、订单状态推送、协作工具同步等。

而 WebSocket 作为 HTML5 标准的实时通讯协议,能实现客户端与服务端的全双工通信,相比轮询、长轮询更高效、低延迟。

Go语言中不同进制的互转方法:二进制/八进制/十六进制互转方法

作为 Go 开发者,日常开发中难免会遇到进制转换的需求 —— 比如处理网络协议中的二进制数据、配置文件中的十六进制参数、日志中的八进制权限值等。

Go 标准库中的strconv包提供了完善的进制转换工具,无需手动实现复杂算法,就能轻松完成二进制、八进制、十六进制与十进制的互转。

Go 解决 golinkname 错误:must refer to declared 函数/变量

背景

最近在编写 go 项目时

在 执行 go mod tidy 时报错,如下

golang.org/x/sys/unix
# golang.org/x/sys/unix
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/syscall_darwin.1_13.go:29:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.1_13.go:27:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.1_13.go:40:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.go:28:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.go:43:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.go:59:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.go:75:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.go:90:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.go:105:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.go:121:3: //go:linkname must refer to declared function or variable
../../pkg/mod/golang.org/x/sys@v0.0.0-20200930185726-fdedc70b468f/unix/zsyscall_darwin_amd64.go:121:3: too many errors

关键错误:golinkname must refer to declared function or variable

深入详解 Go Template 模板语法及使用

Go 标准库的text/templatehtml/template是数据驱动的模板引擎,广泛用于文本生成、Web 页面渲染等场景。

本文基于 Go 官方定义的完整语法体系,结合代码示例,讲解说明 Go 模板语法指南,涵盖从基础分隔符到高级递归模板的所有特性