用对偶形式的主次问题和单纯形法精确解cvrp车辆路径问题，环境为gams,一种类似lingo，国际上也经常使用的数学规划软件。-a exact solution of cvrp with dual variable and simplex method in the enviorment GAMS, which is similar to Lingo, is also popular in the world for Operation Research.