<?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">
	<groupId>cn.howj</groupId>
	<artifactId>product-service</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<modelVersion>4.0.0</modelVersion>
	<packaging>war</packaging>

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.0.3.RELEASE</version>
		<relativePath/>
	</parent>

	<properties>
		<java.version>1.8</java.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter</artifactId>
		</dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        		
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-thymeleaf</artifactId>
		</dependency>		
		<dependency>
		    <groupId>org.springframework.boot</groupId>
		    <artifactId>spring-boot-devtools</artifactId>
		    <optional>true</optional> <!-- 这个需要为 true 热部署才有效 -->
		</dependency>    
		<dependency>
			<groupId>cn.hutool</groupId>
			<artifactId>hutool-all</artifactId>
			<version>4.3.1</version>
		</dependency>				
	</dependencies>

	<build>
	    <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
            </plugin>	    
	        <plugin>
	            <groupId>org.apache.maven.plugins</groupId>
	            <artifactId>maven-war-plugin</artifactId>
	            <configuration>
	                <failOnMissingWebXml>false</failOnMissingWebXml>
	            </configuration>
	        </plugin>
	    </plugins>
	</build>

</project>

package cn.how2j.springboot;

import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;

import cn.hutool.core.util.NetUtil;

@SpringBootApplication
public class ProductServiceApplication {
	public static void main(String[] args) {
    	int port = 8080;
		if(!NetUtil.isUsableLocalPort(port)) {
			System.err.printf("端口%d被占用了，无法启动%n", port );
    		System.exit(1);
    	}
        new SpringApplicationBuilder(ProductServiceApplication.class).properties("server.port=" + port).run(args);
	}
}

package cn.how2j.springboot.pojo;

public class Product {

	private int id;
	private String name;
	private int price;
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public int getPrice() {
		return price;
	}
	public void setPrice(int price) {
		this.price = price;
	}
	public Product(int id, String name, int price) {
		super();
		this.id = id;
		this.name = name;
		this.price = price;
	}
	
}

package cn.how2j.springboot.service;

import java.util.ArrayList;
import java.util.List;

import org.springframework.stereotype.Service;

import cn.how2j.springboot.pojo.Product;

@Service
public class ProductService {
	public List<Product> listProducts(){
    	List<Product> ps = new ArrayList<>();
    	ps.add(new Product(1,"product a", 50));
    	ps.add(new Product(2,"product b", 100));
    	ps.add(new Product(3,"product c", 150));
    	return ps;
	}
}

package cn.how2j.springboot.web;
import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;

import cn.how2j.springboot.pojo.Product;
import cn.how2j.springboot.service.ProductService;
 
@Controller
public class ProductController {
 
	@Autowired ProductService productService;
	
    @RequestMapping("/products")
    public Object products(Model m) {
    	List<Product> ps = productService.listProducts();
    	m.addAttribute("ps", ps);
        return "products";
    }
}

<!DOCTYPE HTML>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <title>products</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
	<style>

		table {
			border-collapse:collapse;
			width:400px;
			margin:20px auto;
		}
		td,th{
			border:1px solid gray;
		}
		
	</style>        
</head>
<body>

<div class="workingArea">
	<table>
		<thead>
			<tr>
				<th>id</th>
				<th>产品名称</th>
				<th>价格</th>
			</tr>
		</thead>
		<tbody>
			<tr th:each="p: ${ps}">
				<td th:text="${p.id}"></td>
				<td th:text="${p.name}"></td>
				<td th:text="${p.price}"></td>
			</tr>
		</tbody>
	</table>
</div>

</body>

</html>

#thymeleaf 配置
spring.thymeleaf.mode=HTML5
spring.thymeleaf.encoding=UTF-8
spring.thymeleaf.content-type=text/html
#缓存设置为false, 这样修改之后马上生效，便于调试
spring.thymeleaf.cache=false
#上下文
server.context-path=/