Update-SPSolution -Identity contoso_solution.wsp -LiteralPath c:\contoso_solution_v2.wsp -GACDeployment
此示例将已部署的 contoso_solution.wsp SharePoint 解决方案升级为 c:\contoso_solution_v2.wsp 解决方案。
contoso_solution.wsp
c:\contoso_solution_v2.wsp
PowerShell命令
原文：http://www.cnblogs.com/dmyao/p/7088849.html
