this.$confirm Converting circular structure to JSON

this.$confirm出现的错误是"Converting circular structure to JSON"。这个错误是因为在Vue3中使用this.$confirm方法时，传递了一个循环引用的对象，导致无法将其转换为JSON格式。解决办法是重新序列化分配给子组件的值，例如对于global.showdata[index]，可以重新序列化该值以断开与父组件的绑定关系，并在返回到父列表时使用this.$forceUpdate()来更新组件。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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