标签:defaultValue timer 倒计时 Date let 下班 arrivalTime parseInt
<!DOCTYPE html> <html> <head> <meta charset="UTF-8" /> <!-- import CSS --> <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css" /> <style> #app { width: 400px; height: 400px; text-align: center; position: absolute; left: 0; right: 0; top: 0; bottom: 0; margin: auto; } </style> </head> <body> <div id="app"> <p v-cloak>当前时间:{{currentTime}}</p> <el-time-picker v-model="defaultValue" :picker-options="{ selectableRange: '8:30:00 - 23:30:00' }" placeholder="下班时间" value-format="timestamp" @change="changeDate" > </el-time-picker> <p>距离下班时间还有</p> <p v-cloak>{{arrivalTime}}</p> </div> </body> <!-- import Vue before Element --> <script src="https://cdn.bootcdn.net/ajax/libs/vue/2.6.10/vue.min.js"></script> <!-- import JavaScript --> <script src="https://unpkg.com/element-ui/lib/index.js"></script> <script> new Vue({ el: "#app", data: function () { return { visible: false, currentTime: "", arrivalTime: "", defaultValue: "", }; }, methods: { changeDate(val) { let now = Date.now(); if (val < now) { this.$message.error("下班时间必须大于当前时间"); return; } this.arrivalTime = this.defaultValue; this.timer(); }, timer() { let timer = null; if (timer) { clearInterval(timer); } this.setTime(); timer = setInterval(() => { this.currentTime = new Date().toLocaleString(); this.setTime(); }, 1000); }, setTime() { let now = Date.now(); this.arrivalTime = parseInt((this.defaultValue - now) / 1000); if (this.arrivalTime > 3600) { let h = parseInt(this.arrivalTime / 3600); let m = parseInt((this.arrivalTime % 3600) / 60); let s = parseInt((this.arrivalTime % 60) + 1); this.arrivalTime = `${h}小时${m}分钟${s}秒`; } else { let m = parseInt(this.arrivalTime / 60); let s = parseInt((this.arrivalTime % 60) + 1); this.arrivalTime = `${m}分钟${s}秒`; } }, }, mounted() { this.currentTime = new Date().toLocaleString(); this.defaultValue = new Date(); this.defaultValue = new Date( this.defaultValue.getFullYear(), this.defaultValue.getMonth(), this.defaultValue.getDate(), 18, 0 ); this.timer(); }, watch: {}, }); </script> </html> <!DOCTYPE html> <html> <head> <meta charset="UTF-8" /> <!-- import CSS --> <link rel="stylesheet" href="https://unpkg.com/element-ui/lib/theme-chalk/index.css" /> <style> #app { width: 400px; height: 400px; text-align: center; position: absolute; left: 0; right: 0; top: 0; bottom: 0; margin: auto; } </style> </head> <body> <div id="app"> <p v-cloak>当前时间:{{currentTime}}</p> <el-time-picker v-model="defaultValue" :picker-options="{ selectableRange: '8:30:00 - 23:30:00' }" placeholder="下班时间" value-format="timestamp" @change="changeDate" > </el-time-picker> <p>距离下班时间还有</p> <p v-cloak>{{arrivalTime}}</p> </div> </body> <!-- import Vue before Element --> <script src="https://cdn.bootcdn.net/ajax/libs/vue/2.6.10/vue.min.js"></script> <!-- import JavaScript --> <script src="https://unpkg.com/element-ui/lib/index.js"></script> <script> new Vue({ el: "#app", data: function () { return { visible: false, currentTime: "", arrivalTime: "", defaultValue: "", }; }, methods: { changeDate(val) { let now = Date.now(); if (val < now) { this.$message.error("下班时间必须大于当前时间"); return; } this.arrivalTime = this.defaultValue; this.timer(); }, timer() { let timer = null; if (timer) { clearInterval(timer); } this.setTime(); timer = setInterval(() => { this.currentTime = new Date().toLocaleString(); this.setTime(); }, 1000); }, setTime() { let now = Date.now(); this.arrivalTime = parseInt((this.defaultValue - now) / 1000); if (this.arrivalTime > 3600) { let h = parseInt(this.arrivalTime / 3600); let m = parseInt((this.arrivalTime % 3600) / 60); let s = parseInt((this.arrivalTime % 60) + 1); this.arrivalTime = `${h}小时${m}分钟${s}秒`; } else { let m = parseInt(this.arrivalTime / 60); let s = parseInt((this.arrivalTime % 60) + 1); this.arrivalTime = `${m}分钟${s}秒`; } }, }, mounted() { this.currentTime = new Date().toLocaleString(); this.defaultValue = new Date(); this.defaultValue = new Date( this.defaultValue.getFullYear(), this.defaultValue.getMonth(), this.defaultValue.getDate(), 18, 0 ); this.timer(); }, watch: {}, }); </script> </html>
标签:defaultValue,timer,倒计时,Date,let,下班,arrivalTime,parseInt 来源: https://www.cnblogs.com/tw6668/p/16627255.html
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