UIWebView 自定义网页中的alert和confirm提示框风格

.h

#import <UIKit/UIKit.h>

@interface UIWebView (JavaScriptAlert)

-(void)webView:(UIWebView *)sender runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame;

-(BOOL)webView:(UIWebView *)sender runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame;

@end

.m

#import "UIWebView+JavaScriptAlert.h"

@implementation UIWebView (JavaScriptAlert)

static BOOL diagStat = NO;

-(void)webView:(UIWebView *)sender runJavaScriptAlertPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame{

   UIAlertView* dialogue = [[UIAlertView alloc]initWithTitle:nil message:message delegate:nil cancelButtonTitle:@"Okay" otherButtonTitles:nil, nil];

  [dialogue show];

   [dialogue autorelease];

}

-(BOOL)webView:(UIWebView *)sender runJavaScriptConfirmPanelWithMessage:(NSString *)message initiatedByFrame:(WebFrame *)frame{

  UIAlertView* dialogue = [[UIAlertView alloc] initWithTitle:nil message:message delegate:self cancelButtonTitle:NSLocalizedString(@"Okay", @"Okay") otherButtonTitles:NSLocalizedString(@"Cancel", @"Cancel"), nil];

  [dialogue show];

  while (dialogue.hidden==NO && dialogue.superview!=nil) {

  [[NSRunLoop mainRunLoop] runUntilDate:[NSDate dateWithTimeIntervalSinceNow:0.01f]];

      }

   [dialogue release];

  return diagStat;

}

-(void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex{

   if (buttonIndex==0) {

   diagStat=YES;

  }else if(buttonIndex==1){

     diagStat=NO;

   }

}

@end

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