第一種：前臺接收
dataType: "json", success: function (data) { var varReceiver = data; }<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="echart2.aspx.cs" Inherits="RTC.echart2" %><!DOCTYPE html><html xmlns="http://www.w3.org/1999/xhtml"><head runat="server"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> <title> </title> <!-- 引入 ECharts 文件 --> <script src="scripts/echarts.common.min.js"></script> <script src="scripts/jquery-1.10.2.min.js"></script> <script src="scripts/json2.js"></script></head><body><form id="form1" runat="server"><!-- 為 ECharts 準備一個具備大小（寬高）的Dom --><div id="main" style="width:1000px;height:400px;"></div><script type="text/javascript"> var varAxis; var varSeries; //var varRtcNO = $("#txtHid").val(); var varRtcNO = "35000002818"; var jdata; var myChart = echarts.init(document.getElementById('main')); // 顯示標題，圖例和空的坐標軸 myChart.setOption({ title: { text: '溫度曲線圖' }, tooltip: { trigger: 'axis', axisPointer: { animation: false }, formatter: function (params) { return params[0].name + '<br />溫度:' + params[0].value + '°C'; } }, legend: { data: ['溫度'] }, xAxis: { data: [] }, yAxis: { axisLabel: { formatter: '{value} °C' }, min: 18, max:30 }, series: [{ name: '溫度', type: 'line', smooth: true, data: [] }] }); // 異步加載數據 $.ajax({ type: "post", url: "getrtchistorydata.ashx?rtcno=" + varRtcNO, dataType: "json", success: function (data) { var varReceiver = data; //var varReceiver = jQuery.parseJSON(data); var varAxis=new Array() ; var varSeries = new Array(varReceiver.Count[0].total); for (var i = 0; i < varReceiver.Count[0].total; i++) { varAxis.push(varReceiver.Rows[i].RecordTime); varSeries[i] = varReceiver.Rows[i].RoomTemp; } // 填入數據 myChart.setOption({ xAxis: { data: varAxis }, series: [{ //根據名字對應到相應的系列 name: '溫度', data: varSeries }] }); }, error: function (XMLHttpRequest, textStatus, errorThrown) { alert(errorThrown); } }); </script></form></body></html>第二種：前臺接收
dataType: "text", success: function (data) { //var varReceiver = data; var varReceiver = jQuery.parseJSON(data);。。。。。}
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