这是因为你点击了取消或者是关闭弹窗,但是你没有写catch。正确的写法是 this.$confirm('确定清空试题篮所有试题?', '提示', { type: 'warning' }).then(() => { localStorage.setItem('chosedResourceids',""); localStorage.setItem('PaperMsg',""); if( sessionStorage.getItem('PaperMsg')==''){ th...