后端demo

This commit is contained in:
hrh 2024-08-20 15:13:55 +08:00
commit 05e0aa7d0c
15 changed files with 391 additions and 0 deletions

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.idea/encodings.xml Normal file
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.idea/misc.xml Normal file
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.idea/uiDesigner.xml Normal file
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<component name="Palette2">
<group name="Swing">
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.idea/vcs.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="$PROJECT_DIR$" vcs="Git" />
</component>
</project>

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pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>org.example</groupId>
<artifactId>test</artifactId>
<version>1.0-SNAPSHOT</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.5.0</version>
</parent>
<properties>
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<!-- Web 功能 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.28</version>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itext7-core</artifactId>
<version>7.1.1</version>
<type>pom</type>
</dependency>
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>font-asian</artifactId>
<version>7.1.1</version>
</dependency>
<!-- iText布局引擎 -->
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>layout</artifactId>
<version>7.1.1</version>
</dependency>
<!-- iText表单库 -->
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>forms</artifactId>
<version>7.1.1</version>
</dependency>
<!-- iText PDF/A库 -->
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>pdfa</artifactId>
<version>7.1.1</version>
</dependency>
<!-- iText PDF/A库 -->
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>html2pdf</artifactId>
<version>2.0.1</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-mail</artifactId>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>

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simple_demo.pdf Normal file

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package example.hrh;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class EmailApplication {
public static void main(String[] args){
SpringApplication.run(EmailApplication.class,args);
}
}

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package example.hrh.api;
public interface EmailApi {
}

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package example.hrh.controller;
import example.hrh.service.EmailService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class EmailController {
@Autowired
private EmailService emailService;
@PostMapping("/sendEmail")
public String sendEmail(@RequestParam String to, @RequestParam String subject, @RequestParam String text) {
emailService.sendSimpleEmail(to, subject, text);
return "Email sent successfully!";
}
}

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package example.hrh.controller;
import lombok.Data;
public class PdfTableController {
}

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package example.hrh.service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.stereotype.Service;
@Service
public class EmailService {
@Autowired
private JavaMailSender mailSender;
public void sendSimpleEmail(String to, String subject, String text) {
SimpleMailMessage message = new SimpleMailMessage();
message.setFrom("645326698@qq.com");
message.setTo(to);
message.setSubject(subject);
message.setText(text);
mailSender.send(message);
}
}

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package example.hrh.service;
import com.itextpdf.html2pdf.HtmlConverter;
import java.io.FileOutputStream;
import java.io.IOException;
public class PdfGenerationService {
public void createPdfFromHtml(String htmlContent, String pdfDest) {
try {
HtmlConverter.convertToPdf(htmlContent, new FileOutputStream(pdfDest));
} catch (IOException e) {
e.printStackTrace();
}
}
}

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package org.example;
import com.itextpdf.html2pdf.HtmlConverter;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import example.hrh.service.PdfGenerationService;
import javax.annotation.Resource;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
@SpringBootApplication
public class HtmlToPDF {
@Resource
private PdfGenerationService pdfGenerationService;
private static final String ORIG = "C:\\Users\\hu645\\Desktop\\studentInfoTable.html";
private static final String OUTPUT_FOLDER = "D:\\itextpdf\\";
public static void main(String[] args) throws IOException {
File htmlSource = new File(ORIG);
File pdfDest = new File(OUTPUT_FOLDER + "output.pdf");
HtmlConverter.convertToPdf(new FileInputStream(htmlSource), new FileOutputStream(pdfDest));
}
}

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package org.example;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Paragraph;
public class ItextPdfDemo {
public static void main(String args[]) throws Exception {
// 1. Creating a PdfWriter
String dest = "example.pdf"; // Output file path
PdfWriter writer = new PdfWriter(dest);
// 2. Creating a PdfDocument
PdfDocument pdfDoc = new PdfDocument(writer);
// 3. Adding an empty page
pdfDoc.addNewPage();
// 4. Creating a Document
Document document = new Document(pdfDoc);
// 5. Adding a Paragraph
document.add(new Paragraph("Hello, World!"));
// 6. Closing the document
document.close();
System.out.println("PDF Created");
}
}

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spring:
mail:
host: smtp.qq.com
port: 587
username: 645326698@qq.com
password: ndupedhumhaybfba
properties:
mail:
smtp:
auth: true
starttls:
enable: true