coredemo/framework/middleware/recovery.go

package middleware

import "coredemo/framework"

func Recovery() framework.ControllerHandler {
    return func(c *framework.Context) error {
        // 核心在增加这个recover机制，捕获c.Next()出现的panic
        defer func() {
            if err := recover(); err != nil {
                c.Json(500, err)
            }
        }()

        c.Next()

        return nil
    }
}