然后你的變量mywin只是等于window.open('http://idcbgp.cn'),而不等于window.open('http://idcbgp.cn',"_block","width=600,height=400,top=100,left=0"), 所以mywin.close只是關(guān)閉了window.open('http://idcbgp.cn')，window.open('http://idcbgp.cn',"_block","width=600,height=400,top=100,left=0")還留著