<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>
    <parent>
        <groupId>cn.how2j.trend</groupId>
        <artifactId>trendParentProject</artifactId>
        <version>0.0.1-SNAPSHOT</version>
    </parent>
    <artifactId>trend-trading-backtest-view</artifactId>

    <dependencies>
        <!-- springboot web -->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <!--thymeleaf-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-thymeleaf</artifactId>
        </dependency>
        <!-- eureka-client -->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
        </dependency>
        <!--zipkin-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-zipkin</artifactId>
        </dependency>
        <!--config-client-->
        <dependency>
            <groupId>org.springframework.cloud</groupId>
            <artifactId>spring-cloud-starter-config</artifactId>
        </dependency>
    </dependencies>

</project>

spring:
  cloud:
    config:
      label: master
      profile: dev
      discovery:
        enabled:  true
        serviceId:  index-config-server
eureka:
  client:
    serviceUrl:
      defaultZone: http://localhost:8761/eureka/

spring:
  application:
    name:  trend-trading-backtest-view
  thymeleaf:
    cache: false
    prefix: classpath:/templates/
    suffix: .html
    encoding: UTF-8
    content-type: text/html
    mode: HTML5
  zipkin:
    base-url: http://localhost:9411

package cn.how2j.trend.web;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
 
@Controller
public class ViewController {
	@Value("${version}")
	String version;
	@GetMapping("/")
	public String view(Model m) throws Exception {
		m.addAttribute("version", version);
		return "view";
	}
}

<div th:fragment="html" xmlns:th="http://www.w3.org/1999/xhtml">
    <div style="margin:0px auto;text-align:center">
    	powered by <a href="http://how2j.cn">how2j.cn</a>  <p th:text="${version}" >unknown</p>
    </div> 
</div>

package cn.how2j.trend;
import java.util.Scanner;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

import brave.sampler.Sampler;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.cloud.netflix.eureka.EnableEurekaClient;

import cn.hutool.core.convert.Convert;
import cn.hutool.core.thread.ThreadUtil;
import cn.hutool.core.util.NetUtil;
import cn.hutool.core.util.NumberUtil;
import cn.hutool.core.util.StrUtil;
import org.springframework.context.annotation.Bean;

@SpringBootApplication
@EnableEurekaClient
public class TrendTradingBackTestViewApplication {
    public static void main(String[] args) {
        int port = 0;
        int defaultPort = 8041;
        int eurekaServerPort = 8761;
        int configServerPort = 8060;

        if(NetUtil.isUsableLocalPort(configServerPort)) {
            System.err.printf("检查到端口%d 未启用，判断 eureka 服务器没有启动，本服务无法使用，故退出%n", configServerPort );
            System.exit(1);
        }
        if(NetUtil.isUsableLocalPort(eurekaServerPort)) {
            System.err.printf("检查到端口%d 未启用，判断 配置服务器没有启动，本服务无法使用，故退出%n", eurekaServerPort );
            System.exit(1);
        }

        if(null!=args && 0!=args.length) {
            for (String arg : args) {
                if(arg.startsWith("port=")) {
                    String strPort= StrUtil.subAfter(arg, "port=", true);
                    if(NumberUtil.isNumber(strPort)) {
                        port = Convert.toInt(strPort);
                    }
                }
            }
        }

        if(0==port) {
            Future<Integer> future = ThreadUtil.execAsync(() ->{
                int p = 0;
                System.out.printf("请于5秒钟内输入端口号, 推荐  %d ,超过5秒将默认使用 %d ",defaultPort,defaultPort);
                Scanner scanner = new Scanner(System.in);
                while(true) {
                    String strPort = scanner.nextLine();
                    if(!NumberUtil.isInteger(strPort)) {
                        System.err.println("只能是数字");
                        continue;
                    }
                    else {
                        p = Convert.toInt(strPort);
                        scanner.close();
                        break;
                    }
                }
                return p;
            });
            try{
                port=future.get(5,TimeUnit.SECONDS);
            }
            catch (InterruptedException | ExecutionException | TimeoutException e){
                port = defaultPort;
            }
        }

        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(TrendTradingBackTestViewApplication.class).properties("server.port=" + port).run(args);

    }

    @Bean
    public Sampler defaultSampler() {
        return Sampler.ALWAYS_SAMPLE;
    }
}