【go语言发送电子邮件】go语言版发送电子邮件

来源：互联网发布：大庆龙江网络新村电话编辑：程序博客网时间：2024/05/22 23:51

一、实现功能
用go语言发送一封邮件

二、实现源代码

package mainimport (    "net/smtp"    "fmt"    "strings")/* *  user : example@example.com login smtp server user *  password: xxxxx login smtp server password *  host: smtp.example.com:port   smtp.163.com:25 *  to: example@example.com;example1@163.com;example2@sina.com.cn;... *  subject:The subject of mail *  body: The content of mail *  mailtyoe: mail type html or text */func SendMail(user, password, host, to, subject, body, mailtype string) error{    hp := strings.Split(host, ":")    auth := smtp.PlainAuth("", user, password, hp[0])    var content_type string    if mailtype == "html" {        content_type = "Content-Type: text/"+ mailtype + "; charset=UTF-8"    }else{        content_type = "Content-Type: text/plain" + "; charset=UTF-8"    }    msg := []byte("To: " + to + "\r\nFrom: " + user + "<"+ user +">\r\nSubject: " + subject + "\r\n" + content_type + "\r\n\r\n" + body)    send_to := strings.Split(to, ";")    err := smtp.SendMail(host, auth, user, send_to, msg)    return err}func main() {    user := "此处填写qq邮箱账号"    password := "此处填写qq邮箱授权码"    host := "smtp.qq.com:587"    to := "18720081236m@sina.cn"    subject := "Test send email by golang"    body := ``    fmt.Println("send email")    err := SendMail(user, password, host, to, subject, body, "text")    if err != nil {        fmt.Println("send mail error!")        fmt.Println(err)    }else{        fmt.Println("send mail success!")    }}

运行效果

"D:\Program Files (x86)\JetBrains\Gogland 171.3780.106\bin\runnerw.exe" D:/Go\bin\go.exe run D:/Go/code/src/awesomeProject/go_email.gosend emailsend mail success!Process finished with exit code 0

版本2（发送多个人，HTML格式）：

package mainimport (    "net/smtp"    "fmt"    "strings")/* *  user : example@example.com login smtp server user *  password: xxxxx login smtp server password *  host: smtp.example.com:port   smtp.163.com:25 *  to: example@example.com;example1@163.com;example2@sina.com.cn;... *  subject:The subject of mail *  body: The content of mail *  mailtyoe: mail type html or text */func SendMail(user, password, host, to, subject, body, mailtype string) error{    hp := strings.Split(host, ":")    auth := smtp.PlainAuth("", user, password, hp[0])    var content_type string    if mailtype == "html" {        content_type = "Content-Type: text/"+ mailtype + "; charset=UTF-8"    }else{        content_type = "Content-Type: text/plain" + "; charset=UTF-8"    }    msg := []byte("To: " + to + "\r\nFrom: " + user + "<"+ user +">\r\nSubject: " + subject + "\r\n" + content_type + "\r\n\r\n" + body)    send_to := strings.Split(to, ";")    err := smtp.SendMail(host, auth, user, send_to, msg)    return err}func main() {    user := "1973536419@qq.com"    password := "XXXXXXXX"    host := "smtp.qq.com:587"    to := "defa.lai@cgtz.com;fang.chen@lg-finance.com";    subject := "Test send email by golang"    body := `    <!DOCTYPE html>        <html>        <body>        <div style="text-align:center;width:78.78%;padding: 8px; line-height: 1.42857; vertical-align: top; border-top-width: 1px; border-top-color: rgb(221, 221, 221); background-color: #28a745;color:#fff"><strong>用户工资数据报表</strong></div>            <table border="1" style="width:80%;">          <tr style="background-color:pink;text-align:center;">            <th>月份</th>            <th>存款</th>            <th>工资</th>            <th>年薪</th>          </tr>          <tr  style="text-align:center;">            <td>一月</td>            <td>1000 元</td>            <td>3000 元</td>            <td>12000元</td>          </tr>          <tr  style="text-align:center;">            <td>二月</td>            <td>1500 元</td>            <td>4000 元</td>            <td>16000 元</td>          </tr>        </table>        </body>        </html>    `    fmt.Println("send email")    err := SendMail(user, password, host, to, subject, body, "html")    if err != nil {        fmt.Println("send mail error!")        fmt.Println(err)    }else{        fmt.Println("send mail success!")    }}

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