sbp("@zhexuan.png",isbp)
us(id,"src",isbp)
tcc(isbp,"w",w)
tcc(isbp,"h",h)
s/(w,2,sw)
s/(h,2,sh)
sbp(isbp,0,0,sw,sh,a)
sbp(isbp,sw,0,sw,sh,b)
sbp(isbp,0,sh,sw,sh,c)
sbp(isbp,sw,sh,sw,sh,d)
us(id1,"src",a)
us(id2,"src",b)
us(id3,"src",c)
us(id4,"src",d)
//id和图片路径自己改