0、转载

go-zero docker-compose 搭建课件服务（三）：编写courseware api服务

0.1源码地址

https://github.com/liuyuede123/go-zero-courseware

1、生成api相关文件

# 到之前创建的courseware/api目录下

goctl api go -api courseware.api -dir . -style gozero

2、courseware/api/etc/user.yaml下增加rpc配置

Name: courseware

Host: 0.0.0.0

Port: 8400

CoursewareRpc:

  Etcd:

    Hosts:

      - etcd:2379

    Key: courseware.rpc

3、courseware/api/internal/config/config.go下增加CoursewareRpc

package config

import (

	"github.com/zeromicro/go-zero/rest"

	"github.com/zeromicro/go-zero/zrpc"

)

type Config struct {

	rest.RestConf

	CoursewareRpc zrpc.RpcClientConf

}

3、courseware/api/internal/svc/servicecontext.go下增加CoursewareRpc配置

package svc

import (

	"github.com/zeromicro/go-zero/zrpc"

	"go-zero-courseware/courseware/api/internal/config"

	"go-zero-courseware/courseware/rpc/coursewareclient"

)

type ServiceContext struct {

	Config config.Config

	CoursewareRpc coursewareclient.Courseware

}

func NewServiceContext(c config.Config) *ServiceContext {

	return &ServiceContext{

		Config:        c,

		CoursewareRpc: coursewareclient.NewCourseware(zrpc.MustNewClient(c.CoursewareRpc)),

	}

}

4、补充增删改查相关接口逻辑

courseware/api/internal/logic/coursewareaddlogic.go

package logic

import (

	"context"

	"go-zero-courseware/courseware/rpc/coursewareclient"

	"go-zero-courseware/courseware/api/internal/svc"

	"go-zero-courseware/courseware/api/internal/types"

	"github.com/zeromicro/go-zero/core/logx"

)

type CoursewareAddLogic struct {

	logx.Logger

	ctx    context.Context

	svcCtx *svc.ServiceContext

}

func NewCoursewareAddLogic(ctx context.Context, svcCtx *svc.ServiceContext) *CoursewareAddLogic {

	return &CoursewareAddLogic{

		Logger: logx.WithContext(ctx),

		ctx:    ctx,

		svcCtx: svcCtx,

	}

}

func (l *CoursewareAddLogic) CoursewareAdd(req *types.AddRequest) (resp *types.AddResponse, err error) {

	_, err = l.svcCtx.CoursewareRpc.Add(l.ctx, &coursewareclient.AddRequest{

		Code: req.Code,

		Name: req.Name,

		Type: req.Type,

	})

	if err != nil {

		return nil, err

	}

	return &types.AddResponse{}, nil

}

courseware/api/internal/logic/coursewaredeletelogic.go

package logic

import (

	"context"

	"go-zero-courseware/courseware/rpc/coursewareclient"

	"go-zero-courseware/courseware/api/internal/svc"

	"go-zero-courseware/courseware/api/internal/types"

	"github.com/zeromicro/go-zero/core/logx"

)

type CoursewareDeleteLogic struct {

	logx.Logger

	ctx    context.Context

	svcCtx *svc.ServiceContext

}

func NewCoursewareDeleteLogic(ctx context.Context, svcCtx *svc.ServiceContext) *CoursewareDeleteLogic {

	return &CoursewareDeleteLogic{

		Logger: logx.WithContext(ctx),

		ctx:    ctx,

		svcCtx: svcCtx,

	}

}

func (l *CoursewareDeleteLogic) CoursewareDelete(req *types.DeleteRequest) (resp *types.DeleteResponse, err error) {

	_, err = l.svcCtx.CoursewareRpc.Delete(l.ctx, &coursewareclient.DeleteRequest{

		Id: req.Id,

	})

	if err != nil {

		return nil, err

	}

	return &types.DeleteResponse{}, nil

}

courseware/api/internal/logic/coursewaregetlogic.go

package logic

import (

	"context"

	"go-zero-courseware/courseware/rpc/coursewareclient"

	"go-zero-courseware/courseware/api/internal/svc"

	"go-zero-courseware/courseware/api/internal/types"

	"github.com/zeromicro/go-zero/core/logx"

)

type CoursewareGetLogic struct {

	logx.Logger

	ctx    context.Context

	svcCtx *svc.ServiceContext

}

func NewCoursewareGetLogic(ctx context.Context, svcCtx *svc.ServiceContext) *CoursewareGetLogic {

	return &CoursewareGetLogic{

		Logger: logx.WithContext(ctx),

		ctx:    ctx,

		svcCtx: svcCtx,

	}

}

func (l *CoursewareGetLogic) CoursewareGet(req *types.GetRequest) (resp *types.GetResponse, err error) {

	cw, err := l.svcCtx.CoursewareRpc.Get(l.ctx, &coursewareclient.GetRequest{

		Id: req.Id,

	})

	if err != nil {

		return nil, err

	}

	return &types.GetResponse{

		Id:   cw.Id,

		Code: cw.Code,

		Name: cw.Name,

		Type: cw.Type,

	}, nil

}

courseware/api/internal/logic/coursewareupdatelogic.go

package logic

import (

	"context"

	"go-zero-courseware/courseware/rpc/coursewareclient"

	"go-zero-courseware/courseware/api/internal/svc"

	"go-zero-courseware/courseware/api/internal/types"

	"github.com/zeromicro/go-zero/core/logx"

)

type CoursewareUpdateLogic struct {

	logx.Logger

	ctx    context.Context

	svcCtx *svc.ServiceContext

}

func NewCoursewareUpdateLogic(ctx context.Context, svcCtx *svc.ServiceContext) *CoursewareUpdateLogic {

	return &CoursewareUpdateLogic{

		Logger: logx.WithContext(ctx),

		ctx:    ctx,

		svcCtx: svcCtx,

	}

}

func (l *CoursewareUpdateLogic) CoursewareUpdate(req *types.UpdateRequest) (resp *types.UpdateResponse, err error) {

	_, err = l.svcCtx.CoursewareRpc.Update(l.ctx, &coursewareclient.UpdateRequest{

		Id:   req.Id,

		Code: req.Code,

		Name: req.Name,

		Type: req.Type,

	})

	if err != nil {

		return nil, err

	}

	return &types.UpdateResponse{}, nil

}

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