在将android应用移植到iOS时,我们遇到了一个障碍:我们有一个UIwebView设置来运行HighCharts(它与他们提供的示例一起工作),但我们不知道如何将变量传递给Javascript以显示实时变化。在android系统中,我们要做的是:
webView.loadUrl("javascript:" + "point = " + "[Date.UTC("
+ mYear + "," + mMonth + "," + mDay + "," + hr
+ "," + min + "," + sec + "),"
+ value+ "];");
或者另一个例子:
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
有一个称为stringByEvaluatingJavaScriptFromString
的方法,您可以使用它来运行脚本。我认为你也可以用它来传递和初始化任何你喜欢的变量