增加利用程序发邮件能力

go.mod

@@ -4,7 +4,7 @@ go 1.15
 
 require (
 	github.com/buger/jsonparser v1.1.1
-	github.com/ddliu/go-httpclient v0.6.9 // indirect
+	github.com/ddliu/go-httpclient v0.6.9
 	github.com/gin-gonic/gin v1.7.2
 	github.com/go-redis/redis/v8 v8.3.4
 	github.com/go-redis/redis_rate/v9 v9.1.1
@@ -17,6 +17,8 @@ require (
 	github.com/stretchr/testify v1.7.0
 	github.com/tidwall/gjson v1.8.1
 	go.uber.org/zap v1.17.0
+	gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc // indirect
+	gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df
 	gopkg.in/yaml.v2 v2.3.0
 	gorm.io/driver/mysql v1.0.0
 	gorm.io/gorm v1.21.12

go.sum

@@ -144,9 +144,13 @@ google.golang.org/protobuf v1.20.1-0.20200309200217-e05f789c0967/go.mod h1:A+miE
 google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzikPIcrTAo=
 google.golang.org/protobuf v1.23.0 h1:4MY060fB1DLGMB/7MBTLnwQUY6+F09GEiz6SsrNqyzM=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
+gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc h1:2gGKlE2+asNV9m7xrywl36YYNnBG5ZQ0r/BOOxqPpmk=
+gopkg.in/alexcesaro/quotedprintable.v3 v3.0.0-20150716171945-2caba252f4dc/go.mod h1:m7x9LTH6d71AHyAX77c9yqWCCa3UKHcVEj9y7hAtKDk=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
+gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df h1:n7WqCuqOuCbNr617RXOY0AWRXxgwEyPp2z+p0+hgMuE=
+gopkg.in/gomail.v2 v2.0.0-20160411212932-81ebce5c23df/go.mod h1:LRQQ+SO6ZHR7tOkpBDuZnXENFzX8qRjMDMyPD6BRkCw=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=

mail/mail.go

@@ -0,0 +1,68 @@
+// Package mail 邮件发送配置
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 1:14 上午 2021/8/13
+package mail
+
+import (
+	"fmt"
+
+	"gopkg.in/gomail.v2"
+)
+
+var (
+	// Mail 邮件服务实例
+	Mail *mail
+)
+
+type mail struct {
+	conf       map[string]string
+	port       int
+	mailDialer *gomail.Dialer
+}
+
+// NewMailMessage 获取邮件消息实例
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 1:32 上午 2021/8/13
+func NewMailMessage(fromMail string, fromMailName string, pass string, host string, port int) *mail {
+	if Mail == nil {
+		Mail = &mail{}
+		if len(fromMailName) == 0 {
+			fromMailName = "系统邮件"
+		}
+		Mail.conf = map[string]string{
+			"user":           fromMail,
+			"pass":           pass,
+			"host":           host,
+			"port":           fmt.Sprintf("%v", port),
+			"from_mail_name": fromMailName,
+		}
+
+		Mail.port = port
+		Mail.mailDialer = gomail.NewDialer(Mail.conf["host"], port, Mail.conf["user"], Mail.conf["pass"])
+	}
+	return Mail
+}
+
+// BaseSend 基础邮件发送
+//
+// Author : go_developer@163.com<白茶清欢>
+//
+// Date : 1:14 上午 2021/8/13
+func (m *mail) BaseSend(mailTo []string, subject string, body string) error {
+	message := gomail.NewMessage()
+	message.SetHeader("From", message.FormatAddress(m.conf["user"], m.conf["from_mail_name"])) //这种方式可以添加别名，即“XX官方”
+	//说明：如果是用网易邮箱账号发送，以下方法别名可以是中文，如果是qq企业邮箱，以下方法用中文别名，会报错，需要用上面此方法转码
+	//m.SetHeader("From", "FB Sample"+"<"+mailConn["user"]+">") //这种方式可以添加别名，即“FB Sample”， 也可以直接用<code>m.SetHeader("From",mailConn["user"])</code> 读者可以自行实验下效果
+	//m.SetHeader("From", mailConn["user"])
+	message.SetHeader("To", mailTo...)    //发送给多个用户
+	message.SetHeader("Subject", subject) //设置邮件主题
+	message.SetBody("text/html", body)    //设置邮件正文
+
+	d := gomail.NewDialer(m.conf["host"], m.port, m.conf["user"], m.conf["pass"])
+
+	return d.DialAndSend(message)
+}