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//判分母为0时，直接赋值0 var f = 0 var g = 0 var w = 0 if (!g){ w = 0 }else{ w = f/g } console.log(w)

mounted() { this.drawLine(); this.getCurrentTime(); }, methods: { // 获取当前时间 getCurrentTime() { var currenttime = new Date(); this.LastTime = this.formatDate(currenttime); }, // 时间字符串格式化 yyyy-mm-dd formatDate(..