分屏的关闭事件，相关样式调整

shuishen

2021-06-04 a239631f7bbd0c17037c31d3fcb04504ab317c51

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//>>built
define(["dojo","dojox","dojox/math/_base"],function(b,a,c){b.getObject("math",!0,a);return a.math});