code: function(view, isDelView){
              var body = view.body;
              if(body){
                  //延迟删除
                  if (body.isStaticBody){
                      var shape = view.shape;
                      if(shape && this._deleteShapes.indexOf(shape) < 0){
                          this._deleteShapes.push(shape);
                      }
                  }
                  else if(this._deleteBodies.indexOf(body) < 0){
                      this._deleteBodies.push(body);
                  }
  
                  view.body = null;
                  view.shape = null;
                  view.space = null;
                  body.view = null;
              }
  
              for(var prop in PhysicsViewMixin){
                  view[prop] = null;
              }
  
              if(view._viewRender){
                  view.render = view._viewRender;
              }
  
              if(isDelView){
                  view.removeFromParent();
              }
          }
docs: 解绑物理刚体
  @param  {View}  view 要解绑的view
  @param  {Boolean} isDelView 是否删除view，默认不删除