直接上代码

<pre name="code" class="html">--params msg 提示信息 img背景图片 time 显示时间 position 初始位置
function Toast:createToast(node,msg,img,time,position)

<span style="white-space:pre">	</span>--Toast 显示的文字msg
	local label = cc.ui.UILabel.new({UILabelType = 2,font="fonts/arial.ttf",text=msg,color=cc.c3b(255,255,255),size=32
									})
		:align(display.CENTER,position.x,position.y)
		:zorder(10)
		:addTo(node)

<span style="white-space:pre">	</span>--显示的背景图
	local sprite = display.newSprite(img)
		:align(display.CENTER,position.y)
		:zorder(9)
		:scale(0.8)
		:opacity(10)
		:addTo(node)

    local seq1 = cc.Sequence:create(cc.FadeIn:create(time/5),cc.DelayTime:create(time/5*1.5),cc.FadeOut:create(time/5*2.5));
    local seq2 = cc.Sequence:create(cc.EaseSineIn:create(cc.MoveBy:create(time/5,cc.p(0,100))),

<span style="white-space:pre">				</span>    cc.DelayTime:create(time/5*2),

<span style="white-space:pre">				</span>    cc.EaseSineOut:create(cc.MoveBy:create(time/3,-50))));
    local spawn = cc.Spawn:create(seq1,seq2);
    local action = cc.Repeat:create(spawn,1);
    local action2 = action:clone()

    --背景sprite，文字label运行action   先向上缓动移动100，在向下缓动移动50，并结合淡入淡出，最后消失
    sprite:runAction(action2);
    label:runAction(action);
end