在webView的.h文件中：
@interface UIWebView (JavaScriptAlert) <UIAlertViewDelegate>
- (void)webView:(UIWebView *)sender runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(CGRect *)frame;
@end
在webView的.m文件中：
@implementation UIWebView (JavaScriptAlert)
- (void)webView:(UIWebView *)sender runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(CGRect *)frame
{
UIAlertView* customAlert = [[UIAlertView alloc] initWithTitle:@"来自九微应用的提示" message:message delegate:nil cancelButtonTitle:@"确定" otherButtonTitles:nil];
customAlert.delegate = self;
[customAlert show];
//由于类方法继承的是js所以无法声明变量，如果传值可以通过单例
[InstallStatisticsClass shareInstance].strPay = message;
NSLog(@"*******%@*********",[InstallStatisticsClass shareInstance].strPay);
}
- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex
{
if (buttonIndex == 0) {
//由于类方法继承的是js所以无法进行正常的push和pop,我们可以通过通知的方法进行实现
[[NSNotificationCenter defaultCenter] postNotificationName:@"Cancellation" object:nil];
} else {
NSLog(@",,,,,,,,*******");
}
}