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@ -30,10 +30,12 @@
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},
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// 实例生命周期钩子 （销毁完毕）
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destroyed: function () {
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console.log('destroyed:');
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store.commit('setDevice', null);
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},
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methods: {
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updateChart: function () {
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console.log('updateChart:');
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var dataList = Enumerable.from(this.device.data).where(function (o) {
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return o.type === 10 || o.type === 20;
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}).toArray();
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@ -42,8 +44,10 @@
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}
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},
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changeTime: function (key, time,title) {
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console.log('changeTime:');
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var vm = this;
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var url = '/IoTCenter/api/v1/Device/GetChartData';
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var t = (new Date()).valueOf();
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var url = '/IoTCenter/api/v1/Device/GetChartData?t=' + t;
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var data = {
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number:this.device.number,
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key: key,
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@ -59,7 +63,8 @@
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console.log(error);
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});
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},
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UpdateChartInternal(key, data,title) {
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UpdateChartInternal(key, data, title) {
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console.log('UpdateChartInternal:');
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var canvas = document.getElementById(this.device.number + '-' + key);
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var chart;
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Chart.helpers.each(Chart.instances, function (instance) {
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@ -67,12 +72,16 @@
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chart = instance;
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}
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});
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if (chart) {
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console.log('chart:', chart);
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if (chart === '') {
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chart.data = data;
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chart.update();
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}
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else {
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else {
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var ctx = canvas.getContext('2d');
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// ctx.canvas.height = 150;
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console.log('canvas.getContext:', ctx);
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var options = {
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responsive: true,
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legend: {
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@ -84,8 +93,27 @@
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},
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animation: {
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duration: 0
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}
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},
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/*
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scales: {
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yAxes: [{
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display: true,
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gridLines: {
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color: "rgb(210,210,211)"
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},
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ticks: {
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min: 0,
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stepSize: 500,
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beginAtZero: true,
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padding: 20,
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callback: function(value, index, values) {
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return value;
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}
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}
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}]
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}*/
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};
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chart = new Chart(ctx, {
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type: 'line',
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data: data,
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zhengpengju
5 years ago