Javascript 谷歌图表-未捕获错误：不是数组

我有一个php脚本，它生成google图表数据并以json编码格式返回。它使用jQuery$.get（）方法加载到google图表中。当我将返回数据传递给google“arrayToDataTable”函数时，如下所示：

var googleChartData = google.visualization.arrayToDataTable(chartData);

var googleChartData = google.visualization.arrayToDataTable([["Date Range","0001\/102\/0 Available","0001\/102\/0 Unavailable","0001\/102\/1 Available","0001\/102\/1 Unavailable"],["02\/10\/2013",0,1,110,11],["03\/10\/2013",0,1,189,11],["04\/10\/2013",0,1,189,11],["06\/10\/2013",0,1,189,10],["07\/10\/2013",0,1,187,10],["08\/10\/2013",186,11,0,1],["09\/10\/2013",186,11,0,1],["10\/10\/2013",0,1,186,11],["11\/10\/2013",0,1,204,11],["13\/10\/2013",0,1,204,11]]);

var googleChartData = google.visualization.arrayToDataTable($.parseJSON(chartData));

我得到这个错误：

因此，我所做的是转储变量“chartData”的值，得到以下结果：

因此，我所做的是，将这些数据从控制台窗口手动复制到“arrayToDataTable”函数中，如下所示：

var googleChartData = google.visualization.arrayToDataTable(chartData);

var googleChartData = google.visualization.arrayToDataTable([["Date Range","0001\/102\/0 Available","0001\/102\/0 Unavailable","0001\/102\/1 Available","0001\/102\/1 Unavailable"],["02\/10\/2013",0,1,110,11],["03\/10\/2013",0,1,189,11],["04\/10\/2013",0,1,189,11],["06\/10\/2013",0,1,189,10],["07\/10\/2013",0,1,187,10],["08\/10\/2013",186,11,0,1],["09\/10\/2013",186,11,0,1],["10\/10\/2013",0,1,186,11],["11\/10\/2013",0,1,204,11],["13\/10\/2013",0,1,204,11]]);

var googleChartData = google.visualization.arrayToDataTable($.parseJSON(chartData));

现在图表呈现（正如预期的那样，因为从我的php脚本返回的数据是正确的）：

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这有点奇怪；有人知道为什么从变量加载图表时图表不起作用吗？

我通过更改arrayToDataTable行解决了这个问题，如下所示：

var googleChartData = google.visualization.arrayToDataTable(chartData);

var googleChartData = google.visualization.arrayToDataTable([["Date Range","0001\/102\/0 Available","0001\/102\/0 Unavailable","0001\/102\/1 Available","0001\/102\/1 Unavailable"],["02\/10\/2013",0,1,110,11],["03\/10\/2013",0,1,189,11],["04\/10\/2013",0,1,189,11],["06\/10\/2013",0,1,189,10],["07\/10\/2013",0,1,187,10],["08\/10\/2013",186,11,0,1],["09\/10\/2013",186,11,0,1],["10\/10\/2013",0,1,186,11],["11\/10\/2013",0,1,204,11],["13\/10\/2013",0,1,204,11]]);

var googleChartData = google.visualization.arrayToDataTable($.parseJSON(chartData));

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感谢这篇文章：

为了完整起见，这是我的javascript函数，这是我的简化/虚拟php脚本（为图表提供数据），如果我应该在ajax调用中添加

数据类型：“json”

，json将自动格式化