.state("home.workpiece",{ // 跳转前的页面
   url:"/workpiece",
   views: {
    home: {
     templateUrl: prefix + "project/workpiece.html",
     controller: "workpieceCtrl"
    }
   }
  })
  .state("home.workpieceDetail",{  //跳转后的页面
   url:"/workpieceDetail?workpieceList",
   views: {
    home: {
     templateUrl: prefix + "project/workpiece_detail.html",
     controller: "workpieceDetailCtrl"
    }
   }
  })

 .state("home.workpieceDetail",{
   url:"/workpieceDetail",
   views: {
    home: {
     templateUrl: prefix + "project/workpiece_detail.html",
     controller: "workpieceDetailCtrl"
    }
   }，
   params: {workpieceList:null}
  })