例如,我需要将Context Node B中的ATTR2属于的值根据context node A的ATTR1改变,怎么做呢?? 方法如下: 1) 获取 ATTR1 . 2) Put its value in a temporary holder, say ZTEMP attribute of Context Node B 3) In getter-setter of Dependent attribute, ATTR2 ,use the ZTEMP which reflect value of ATTR1.【阅读全文】