传统的车辆保险中，保险公司面临着如何精确地理赔和躲避保险欺骗的难题。将区块链技术中的智能合约引入保单管理系统不仅仅能够帮助保险公司实现智能理赔，保证公平公正真实无误，而且还能够帮助车主在购买保险方面节省很多手续，使过程简化，保证用户信息真实性。本文主说明基于区块链的电子保单系统 的完成过程，系统利用区块链去中心化存储、信息公开内容不可篡改等特点实现，并使用基于solidity语言开发智能合约。本系统根据需求设计三个角色，分别是车主、保险公司和交警，每个角色有不同的职责。其中交警角色的设计很好地利用智能合约会根据条件自动执行的特点，本系统中智能合约会根据交警处理事故的结果自动执行相应的理赔功能。总体设计流程为保险公司发布汽车保险方案，车主在提交自身相关信息后可购买车险，保险公司会对已购保险承保，车主会提交事故信息（由系统模拟信息），交警会对事故进行处理，系统会依据交警处理的结果自动智 能理赔。
目录
摘要 III
关键词III
AbstractIII
引言
1选题背景1
1.1课题来源 1
1.2课题目的 1
1.3选题意义 1
1.4课题主要问题及技术要求 1
1.5国内外研究状况 1
1.6本设计指导思想 2
2文献综述2
2.1国内外研究进展的回顾2
2.2成果总结2
2.3存在的问题分析2
2.4论文研究任务3
3方案论证3
3.1系统设计原理3
3.1.1以太坊3
3.1.2 P2P网络4
3.1.3去中心化应用DAPP4
3.2设计方案选择4
3.2.1方案一4
3.2.2方案二5
3.2.3方案三5
3.3方案选择说明5
3.3.1方案的分析比较5
3.3.2方案确定及其特点6
4系统设计过程实现论述6
4.1系统需求分析与设计6
4.1.1需求分析6
4.1.2用户注册登录模块分析与设计6
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4.1.3信息查询模块分析与设计7
4.1.4智能合约模块分析与设计7
4.1.5钱包模块模块分析与设计7
4.2电子保单系统的实现7
4.2.1系统实现概述8
4.2.2智能合约的开发8
4.2.3搭建私有链网络9
4.2.4 web3接口10
4.2.5前端页面开发设计11
5系统测试13
5.1测试环境13
5.2系统可用性测试13
6总结与展望16
致谢17
参考文献18
基于区块链的电子保单管理系统
ELECTRONIC POLICY MANAGEMENT SYSTEM BASED ON BLOCKCHAIN
ABSTRACT： In traditional vehicle insurance, insurance companies are faced with the problem of how to accurately settle claims and avoid insurance fraud. The introduction of the smart contract in the blockchain technology into the policy management system can not only help insurance companies to realize intelligent claim settlement, ensure fairness, fairness and authenticity, but also help car owners save a lot of procedures in purchasing insurance, simplify the process, and ensure the authenticity of user information. This paper mainly introduces the implementation process of the electronic insurance policy system based on the blockchain. The system uses the characteristics of decentralized storage of the blockchain, the content of information disclosure can not be tampered, and uses the language of solidity to develop the smart contract. This system designs three roles according to the demand, which are car owner, insurance company and traffic police. Each role has different responsibilities. The design of the role of the traffic police makes good use of the characteristics that the smart contract will be automatically executed according to the conditions. In this system, the smart contract will automatically execute the corresponding claim function according to the result of the traffic police handling the accident. The overall design process is for the insurance company to issue the automobile insurance scheme. The owner can purchase the automobile insurance after submitting his own relevant information. The insurance company will underwrite the purchased insurance, the owner will submit the accident information (simulated by the system), the traffic police will handle the accident, and the system will automatically and intelligently settle the claim according to the result of the traffic police processing.

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