quick基础

-- 文件读取和json   
 local json_str = cc.FileUtils:getInstance():getStringFromFile("game_data/prop_info.json")
    local json_value = json.decode(json_str)

-- 动画操作
 
   local sprite2 = cc.Sprite:create("ui/attack_normal.png")
    sprite2:setPosition(cc.p(250,400))
    self:addChild(sprite2, 10)
    local action = cc.FadeOut:create(3)--淡出
    local action2 = cc.FadeIn:create(3) -- 渐入
    local action3 = cc.RotateBy:create(3.0,360) -- 旋转
    local action4 = cc.ScaleTo:create(3,0.1) --  缩放
    sprite2:runAction(cc.Sequence:create(action,action2,action3,action4))