feat: 初始化云笔记项目
功能特性: - Markdown 编辑与实时预览 - 代码语法高亮 - 目录树形结构管理 - 图片粘贴上传 - Markdown 文件导入导出 - 笔记密码保护 - 前后端分离架构 技术栈: - Go + Gin + GORM + SQLite - 原生 HTML/CSS/JavaScript - Highlight.js
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package middleware
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import "github.com/gin-gonic/gin"
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// CORS 跨域中间件
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func CORS() gin.HandlerFunc {
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return func(c *gin.Context) {
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c.Header("Access-Control-Allow-Origin", "*")
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c.Header("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
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c.Header("Access-Control-Allow-Headers", "Origin, Content-Type, Accept, Authorization")
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c.Header("Access-Control-Max-Age", "86400")
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if c.Request.Method == "OPTIONS" {
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c.AbortWithStatus(204)
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return
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}
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c.Next()
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}
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}
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