区块链（9）：java区块链项目的Web服务实现之实现web服务

1 引入pom依赖

        <dependency>
            <groupId>org.eclipse.jetty</groupId>
            <artifactId>jetty-server</artifactId>
            <version>9.4.8.v20171121</version>
        </dependency>

        <dependency>
            <groupId>org.eclipse.jetty</groupId>
            <artifactId>jetty-servlet</artifactId>
            <version>9.4.8.v20171121</version>
        </dependency>

2 新建HelloServlet文件

编写HelloServlet测试服务是否配置成功。

package com.example.demo.servlet;

import com.alibaba.fastjson.JSON;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import jav