在我的机器上安装node.js之后,我尝试在node.js命令提示符下安装Angular CLI:
javax.el.PropertyNotWritableException: ... activeIndex="#{(empty sheetNav.activeIndexAccordionMap['accordion1']) ? null : sheetNav.activeIndexAccordionMap['accordion1']}": Illegal Syntax for Set Operation
但是它报告了一个JSON错误:
如何解决这个问题?