尝试使用 highcharts 将数据点注入 iOS webView
Trying to inject datapoints into iOS webView using highcharts
在将 android 应用程序移植到 iOS 时,我们遇到了障碍:
我们有一个 UIwebView 设置为 运行 HighCharts(它与他们提供的示例一起使用),但我们无法弄清楚如何将变量传递给 Javascript 以显示实时变化。
android-相当于我们正在尝试做的是:
webView.loadUrl("javascript:" + "point = " + "[Date.UTC("
+ mYear + "," + mMonth + "," + mDay + "," + hr
+ "," + min + "," + sec + "),"
+ value+ "];");
或另一个例子:
webView.loadUrl("javascript:" + "var curve_name = " + "'Illuminance';" +
"var unit_of_meas = " + "'lx';" +
"var x_axis_title = " + "'Date';" +
"var y_axis_title = " + "'Illuminance (lx)';" +
"var plot_title = " + "'Illuminance data';" +
"var plot_subtitle = " + "'';")
UIWebView
有一个名为 stringByEvaluatingJavaScriptFromString
的方法,您可以使用它来 运行 脚本。我认为您也可以使用它来传递和初始化您喜欢的任何变量。
在将 android 应用程序移植到 iOS 时,我们遇到了障碍: 我们有一个 UIwebView 设置为 运行 HighCharts(它与他们提供的示例一起使用),但我们无法弄清楚如何将变量传递给 Javascript 以显示实时变化。 android-相当于我们正在尝试做的是:
webView.loadUrl("javascript:" + "point = " + "[Date.UTC("
+ mYear + "," + mMonth + "," + mDay + "," + hr
+ "," + min + "," + sec + "),"
+ value+ "];");
或另一个例子:
webView.loadUrl("javascript:" + "var curve_name = " + "'Illuminance';" +
"var unit_of_meas = " + "'lx';" +
"var x_axis_title = " + "'Date';" +
"var y_axis_title = " + "'Illuminance (lx)';" +
"var plot_title = " + "'Illuminance data';" +
"var plot_subtitle = " + "'';")
UIWebView
有一个名为 stringByEvaluatingJavaScriptFromString
的方法,您可以使用它来 运行 脚本。我认为您也可以使用它来传递和初始化您喜欢的任何变量。