基于多目标的PSO用于解决背包问题的程序，运行上比较花时间，请耐心等待。-Procedures used to solve the knapsack problem based on multi-objective PSO run more to spend time, please be patient.

多目标优化问题与粒子群算法的结合，以解决0-1背包问题(The multi-objective optimization problem is combined with particle swarm optimization to solve the 0-1 knapsack problem)