1、相关介绍
iOS在UIWebView中获取的cookie的方法:NSHTTPCookieStorage * nCookies = [NSHTTPCookieStorage sharedHTTPCookieStorage];
再具体获取某个域的cookie:NSArray* cookiesURL = [nCookies cookiesForURL:[NSURL URLWithString:@"你的URL"]];
通过[[NSHTTPCookieStorage sharedHTTPCookieStorage] setCookie:userCookie]方法将 cookies来保存起来,但是这样虽然可以保存cookies但是你应用退出之后还是会丢失(其实是cookies过期的问题),做好的方法是把cookies放到NSUserDefaults保存起来.
2、实现
1.在UIWebView的代理方法中实现获取cookies并将cookies放到NSUserDefaults保存起来:- (void)webViewDidFinishLoad:(UIWebView*)webView中写入
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- ( void )webViewDidFinishLoad:(UIWebView*)webView{
NSArray *nCookies = [[NSHTTPCookieStoragesharedHTTPCookieStorage] cookies];
for (NSHTTPCookie *cookie in nCookies){
if ([cookie isKindOfClass:[NSHTTPCookie class ]]){
if ([cookie.name isEqualToString:@ "PHPSESSID" ]) {
NSNumber *sessionOnly =[NSNumber numberWithBool:cookie.sessionOnly];
NSNumber *isSecure = [NSNumber numberWithBool:cookie.isSecure];
NSArray *cookies = [NSArray arrayWithObjects:cookie.name, cookie.value, sessionOnly, cookie.domain, cookie.path, isSecure, nil];
[[NSUserDefaults standardUserDefaults] setObject:cookies forKey:@ "cookies" ];
break ;
}
}
}
}
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2.获取cookies:运行之后,UIWebView加载url之前获取保存好的cookies,并设置cookies,
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NSArray *cookies =[[NSUserDefaults standardUserDefaults] objectForKey:@ "cookies" ];
if (cookies.count >0) {
NSMutableDictionary *cookieProperties = [NSMutableDictionarydictionary];
[cookieProperties setObject:[cookies objectAtIndex:0] forKey:NSHTTPCookieName];
[cookieProperties setObject:[cookies objectAtIndex:1] forKey:NSHTTPCookieValue];
[cookieProperties setObject:[cookies objectAtIndex:3] forKey:NSHTTPCookieDomain];
[cookieProperties setObject:[cookies objectAtIndex:4] forKey:NSHTTPCookiePath];
NSHTTPCookie *cookieuser = [NSHTTPCookiecookieWithProperties:cookieProperties];
[[NSHTTPCookieStorage sharedHTTPCookieStorage] setCookie:cookieuser];
}
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注意:要在[self.webView loadRequest:req];之前设置获取cookies!
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:http://blog.csdn.net/lfyphoenix/article/details/70281683