One, the introduction
Recently, I saw an article about using JS code to express my feelings.
And then I realized that I could do it in Java code, and then I started writing code, and it was kind of fun, and I didn’t have to talk about it
Implementation idea:
- Use HttpClient to remotely access the contents of the Rainbow Fart Generator website: chp.shadiao.app/
- Java Mail implements Mail sending
- SpringBoot integrates Scheduled implementation of mail delivery
Ii. Construction project
Project environment On the basis of SpringBoot framework, add a Maven project to send mail, RPC remote call httpClient, Scheduled, depending on the following:
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.32..RELEASE</version> </parent> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-mail</artifactId> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> </dependency> <! - httpclient dependence - > < the dependency > < groupId > org.. Apache httpcomponents < / groupId > < artifactId > httpclient < / artifactId > <version>4.512.</version> </dependency> </dependencies> <! <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <fork>true</fork>
</configuration>
</plugin>
</plugins>
</build>
Copy the codeWrite the configuration
Before compiling the configuration, log in to your mailbox in a browser and enable the POP3/SMTP service in account security
Start The POP3/SMTP service requires a verification code
Copy authorization code
Select SMTP to save the mail to the server, select this item mainly to see what information you sent, do not select this item. Email After the message is sent successfully, you cannot see the sent message in the mailbox
Write configurations based on authorization codes
Spring: mail: username: [email protected] email address password # oneself: # XXXXXXX SMTP | POP3 | the IMAP protocol authorization code host: smtp.qq.com # server address. Refer to the information provided by the mailbox service provider. properties: mail: smtp: auth:truePort:587She: Mail: xxxxxx@163.com
Copy the codeFour, write the SpringBoot boot class
@EnableScheduling
@SpringBootApplication
public class BiaoBaiApp {
public static void main(String[] args) {
SpringApplication.run(BiaoBaiApp.class,args);
}
Copy the code5. Automatically generate sending content
@Component
public class SendMessage {
@Autowired
private JavaMailSender mailSender;
@Value("${spring.mail.username}")
private String from;
@Value("${she.mail}") private String[] sheMail; public void sendMessage(String subject,String message) { try { MimeMessage mimeMessage = mailSender.createMimeMessage(); MimeMessageHelper helper =new MimeMessageHelper(mimeMessage);
helper.setFrom(from);// Sender email address
helper.setTo(sheMail);// Recipient's mailbox
helper.setSubject(subject);// Send the subject
helper.setText(message);// Send the content
mailSender.send(helper.getMimeMessage());// Send an email} catch (MessagingException e) { e.printStackTrace(); }}/** Get the message to be sent remotely */
public static String getOneS(){
try {
// Create a client object
HttpClient client = HttpClients.createDefault();
/ * create address https://du.shadiao.app/api.php * /
HttpGet get = new HttpGet("https://chp.shadiao.app/api.php");
// Initiates the request and receives the response object
HttpResponse response = client.execute(get);
// Get the body of the response, which is an object based on the HTTP protocol standard string
// The response body and response header encapsulate HTTP data. If used directly, garbled characters or parsing errors may occur
HttpEntity entity = response.getEntity();
// Convert the response body data through the HTTP entity utility class
String responseString = EntityUtils.toString(entity, "utf-8");
return responseString;
} catch (IOException e) {
throw new RuntimeException("Website failed to get sentence"); }}}Copy the codeWrite a scheduled task
@Component
public class MyScheduled {
@Autowired
private SendMessage sendMessage;
/* Perform the task at 5:20 every day */
@Scheduled(cron ="0 20 17 * * *")
public void dsrw(){
String message = sendMessage.getOneS();
sendMessage.sendMessage("News from tea and porridge! ❤",message); }}Copy the codeSeven, package operation
Conditional jar package can be placed on the transport server, there is no condition can be in the local Win10 system to add a scheduled task, a regular jar package every day.
Jar packages on the server need to permit port 587, firewall permit port 587
In addition to permit, there are also permit HTTP ports and HTTPS ports
Then start the JAR package in the background on Linux
Nohup Java -jar jar package >test.log &Copy the codeWin10 timed jar package in the task planner to create a task
Creating a new trigger
Create a new action, enter the jar command to execute in the program or script, and click OK
Then you can see that the task has been created
Eight, summary
The code still has a lot to improve and a lot to fall short of.
Due to time reasons, there are many places that can be optimized, such as: sending simple text content of the mail, not beautiful, you can realize the HTML way to send mail, so that the content of the mail is more beautiful.
public void sendHtmlMessage(String subject,String message){
try {
MimeMessage mimeMessage = mailSender.createMimeMessage();
MimeMessageHelper helper = new MimeMessageHelper(mimeMessage);
helper.setFrom(from);
helper.setTo(sheMail);
helper.setSubject(subject);
helper.setText(message,true);//true Send in HTML modemailSender.send(helper.getMimeMessage()); } catch (MessagingException e) { e.printStackTrace(); }}Copy the codeFinally, the source code is attached for your reference:
Links:
Pan.baidu.com/s/1e9Iiy5om…
Extraction code: 26SS
From: blog.csdn.net/qq_33758782
