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beescaffold's Introduction

自动完成beego权限认证以及快捷开发api的工具

#简单快速完成你的高性能api#

install

go get github.com/a97077088/beescaffold

use

最简单的入门例子

1.创建gofile

import "github.com/a97077088/beescaffold"

type YouController struct {
	beescaffold.BeeController
}

func (this *ImportExcelController)Get(){
    this.R=map[string]string{
        "result":"ok",
    }
}

2.刷新你的chrome

{
  "error": 0,
  "message": "",
  "data": {
      "result": "ok"
  }
}

看到吗一切都是自动的,

this.R is interface{}

this.R="o" 

这种写法也是正确的

简单分析 继承 beescaffold.BeeController 然后设置一个this.R的值他会自动处理json,包括错误

现在学习下怎么处理api错误结果

1.创建gofile

import "github.com/a97077088/beescaffold"

type YouController struct{
beescaffold.BeeController
}

func (this *YouController)Get(){
   	this.E=beescaffold.Make_E_defaultcode_with_s("this is error")
}

2.刷新你的chrome

{
  "error": -1,
  "message": "this is error",
  "data": null
}

一样是自动的,你只需要设置一个this.E

注意:this.R或者this.E基本任何api都是这种模式

设置自定义错误代码

替换 beescaffold.Make_E_defaultcode_with_s 为 Make_E_with_s_code

func (this *YouController)Get(){
   	this.E=beescaffold.Make_E_with_s_code("this is error",500)
}

这时候会返回自定义错误代码

添加你的自定义代码,如果没有好的位置,通常在controller的init函数操作

var E_NotLogin=beescaffold.Make_E_with_s_code("not login",-2)

func (this *YouController)Get(){
   	this.E=E_NotLogin
}

设置 默认的错误代码

func main(){
beescaffold.DefaultCode=-7
}

预定义保留错误代码:

//保留session
var Code_Error_Session=-2
var E_Error_Session=Make_E_with_s_code("session效验失败",Code_Error_Session)
var Code_Error_Auth=-3
var E_Error_Auth=Make_E_with_s_code("用户权限不够",Code_Error_Auth)

我建议你试用-100以下的代码,因为功能还会拓展

自动认证session和权限功能

Create_Mysql_with_host_port_u_p_db(_host string,_port int,_u string,_p string,_db string)(*xorm.Engine,error)

创建xorm的mysql连接,并且设置线程池最大闲置50,最大并发500,并且转换所有表和字段为小写格式的api

Register_tokenmodel_with_xorm

注册auth的表到数据库中

beescaffold.Register_router_Allow("*")

对路径加入AllowOrigins,以解决跨域问题 参数是正则表达式可以随意匹配path

为beego添加自动认证能力

1.继承beescaffold的BeeController

type PackageController struct {
    beescaffold.BeeController
}

2.注册路由到beego

func init() {
    beescaffold.Register_router_Allow("*")
    beego.Router("/app",&controllers.PackageController{beescaffold.BeeController{Role:2}})
}

好了,现在你的beego已经具备了权限认证,并且是多级权限认证,下边验证一下

打开数据库的 token 表 添加一条token记录 uid:1 session:1 expire:当前时间+1天(注意这里要写时间戳unix time) role写1

现在打开http://localhost:8080/app 这时候你会发现权限被阻拦了,因为role的权限小于路由权限

修改role为2,这时候权限匹配,允许访问

####注意:不要使用权限小于2的role,因为他是被保留的####

实例 自动认证

package models

import (
	"github.com/go-xorm/xorm"
	"fmt"
	"beescaffold"
)

var db * xorm.Engine
func Run(){
var err error
db,err=beescaffold.Create_Mysql_with_host_port_u_p_db("127.0.0.1",3306,"root","Aa1231231","N")
	if err != nil {
		panic(err)
	}
	beescaffold.Register_tokenmodel_with_xorm(db)    
	err=db.Sync(Shenbo{},)
	if err!=nil{
		fmt.Println(err)
	}
	fmt.Println("已经成功构造数据库")
}




package controllers

import (
        "github.com/a97077088/beescaffold"
	    "papi/models"
    )

type PackageController struct {
    beescaffold.BeeController
}

func (this* PackageController) Get(){
    alias:=this.GetString(":alias")
    p,err:=models.Get_package_with_alias(alias)
    if err!=nil{
	    this.E=beescaffold.Make_E_defaultcode_with_err(err)
	    return
    }
    this.R=p
}



package routers

import (
    "github.com/astaxie/beego"
    "papi/controllers"
    "github.com/a97077088/beescaffold"
)


func init() {
    beescaffold.Register_router_Allow("*")
    beego.Router("/app/:alias",&controllers.PackageController     {beescaffold.BeeController{Role:2}})
    beego.Router("/app1",&controllers.PackageController{})
}

这个项目有对应的vue客户端

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