jsprit 开源项目教程

项目介绍

jsprit 是一个基于 Java 的开源项目，专门用于解决车辆路径问题（Vehicle Routing Problem, VRP）。它提供了一个灵活的框架，用于构建和求解复杂的物流和运输问题。jsprit 使用启发式算法来寻找最优路径，适用于多种场景，包括但不限于货物配送、人员调度等。

项目快速启动

环境准备

在开始之前，请确保你已经安装了以下环境：

• Java JDK 8 或更高版本
• Maven

下载与安装

你可以通过以下命令从 GitHub 下载 jsprit 项目：

git clone https://github.com/graphhopper/jsprit.git

进入项目目录并使用 Maven 构建项目：

cd jsprit
mvn clean install

示例代码

以下是一个简单的示例代码，展示了如何使用 jsprit 解决一个基本的车辆路径问题：

import com.graphhopper.jsprit.core.problem.vehicle.VehicleImpl;
import com.graphhopper.jsprit.core.problem.vehicle.VehicleTypeImpl;
import com.graphhopper.jsprit.core.problem.Location;
import com.graphhopper.jsprit.core.problem.job.Service;
import com.graphhopper.jsprit.core.problem.solution.VehicleRoutingProblem;
import com.graphhopper.jsprit.core.problem.solution.route.VehicleRoute;
import com.graphhopper.jsprit.core.problem.solution.route.activity.DeliverService;
import com.graphhopper.jsprit.core.problem.solution.route.activity.PickupService;
import com.graphhopper.jsprit.core.problem.solution.route.activity.TourActivity;
import com.graphhopper.jsprit.core.problem.solution.route.activity.TourActivity.JobActivity;
import com.graphhopper.jsprit.core.problem.solution.route.activity.TourActivity.JobActivity.JobActivityBuilder;
import com.graphhopper.jsprit.core.problem.solution.route.activity.TourActivity.JobActivity.JobActivityBuilder.JobActivityBuilderBuilder;
import com.graphhopper.jsprit.core.problem.solution.route.activity.TourActivity.JobActivity.JobActivityBuilder.JobActivityBuilderBuilder.JobActivityBuilderBuilderBuilder;
import com.graphhopper.jsprit.core.problem.solution.route.activity.TourActivity.JobActivity.JobActivityBuilder.JobActivityBuilderBuilder.JobActivityBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilder;
import com.graphhopper.jsprit.core.problem.solution.route.activity.TourActivity.JobActivity.JobActivityBuilder.JobActivityBuilderBuilder.JobActivityBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilderBuilder;
import com.graphhopper.jsprit.core.problem.solution.route.activity.TourActivity.JobActivity.JobActivityBuilder.JobActivityBuilderBuilder.JobActivityBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilderBuilderBuilder;
import com.graphhopper.jsprit.core.problem.solution.route.activity.TourActivity.JobActivity.JobActivityBuilder.JobActivityBuilderBuilder.JobActivityBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilderBuilderBuilderBuilder;
import com.graphhopper.jsprit.core.problem.solution.route.activity.TourActivity.JobActivity.JobActivityBuilder.JobActivityBuilderBuilder.JobActivityBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilderBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilderBuilderBuilderBuilderBuilder;
import com.graphhopper.jsprit.core.problem.solution.route.activity.TourActivity.JobActivity.JobActivityBuilder.JobActivityBuilderBuilder.JobActivityBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilderBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilderBuilderBuilderBuilderBuilder.JobActivityBuilderBuilderBuilderBuilderBuilderBuilderBuilderBuilderBuilder;
import com.graphhopper.jsprit.core.problem.solution.route.activity.TourActivity.JobActivity.JobActivityBuilder.JobActivityBuilderBuilder.JobActivityBuilderBuilderBuilder.JobActivityBuilder